Study to Evaluate the Respiratory Safety of Lemborexant in Adult and Elderly Healthy Subjects and Adult and Elderly Subjects With Mild Obstructive Sleep Apnea

Sponsor
Eisai Inc. (Industry)
Overall Status
Completed
CT.gov ID
NCT03471871
Collaborator
Purdue Pharma LP (Industry)
146
11
5
5.4
13.3
2.5

Study Details

Study Description

Brief Summary

This study will be conducted to determine whether lemborexant as compared to placebo decreases the peripheral oxygen saturation during total sleep time in healthy adult and elderly participants after a single dose of treatment and to determine whether it increases the apnea-hypopnea index after single and multiple doses of treatment in adult and elderly participants with mild obstructive sleep apnea (OSA).

Condition or Disease Intervention/Treatment Phase
  • Drug: Placebo
  • Drug: Lemborexant 10 mg
  • Drug: Lemborexant 25 mg
  • Drug: Placebo
  • Drug: Lemborexant 10 mg
Phase 1

Detailed Description

Healthy Volunteer (HV) Cohort:

The HV Cohort comprises a randomized, double-blind, placebo-controlled, 3-period crossover study. Eligible healthy adult and elderly participants will be randomized to treatment sequence A, B, or C, each consisting of 3 Treatment Periods, each of one night's duration, in which participants will receive a single dose of lemborexant 10 milligrams (mg), or lemborexant 25 mg, or placebo. Treatment Periods will be separated by a washout interval of at least 14 days. A sufficient number of participants will be randomized to ensure that 8 evaluable adult participants (<65 years) and 4 evaluable elderly participants (≥65 years) complete the study.

OSA Cohort:

The OSA Cohort comprises a multiple-dose, randomized, double-blind, placebo-controlled, 2-period crossover study. Adult and elderly participants with mild OSA will be randomized to treatment sequence D or E, each consisting of 2 Treatment Periods, each of 8 nights' duration, in which participants will receive lemborexant 10 mg or placebo. The Treatment Periods will be separated by a washout interval of at least 14 days. A sufficient number of participants will be randomized to ensure that 20 evaluable adult participants (<65 years) and 10 evaluable elderly participants (≥65 years) complete the study.

Study Design

Study Type:
Interventional
Actual Enrollment :
146 participants
Allocation:
Randomized
Intervention Model:
Crossover Assignment
Masking:
Double (Participant, Investigator)
Primary Purpose:
Other
Official Title:
A Randomized, Double-Blind, Placebo-Controlled, Crossover Study to Evaluate the Respiratory Safety of Lemborexant in Adult and Elderly Healthy Subjects and Adult and Elderly Subjects With Mild Obstructive Sleep Apnea
Actual Study Start Date :
Feb 21, 2018
Actual Primary Completion Date :
Aug 3, 2018
Actual Study Completion Date :
Aug 3, 2018

Arms and Interventions

Arm Intervention/Treatment
Experimental: HV Cohort,Sequence A:Placebo,Lemborexant 10mg,Lemborexant 25mg

Eligible healthy adult and elderly participants will receive lemborexant-matched placebo (3 matched tablets) on the night of Day 1 of Treatment Period 1, followed by lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets) on the night of Day 1 of Treatment Period 2, and then lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet) on the night of Day 1 of Treatment Period 3. A washout period of 14 days was maintained between each Treatment Period.

Drug: Placebo
HV: Lemborexant-matched oral placebo will be administered at bedtime in the clinic (within 5 minutes of lights off).

Drug: Lemborexant 10 mg
HV: 10 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off).

Drug: Lemborexant 25 mg
HV: 25 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off).

Experimental: HV Cohort,Sequence B:Lemborexant 10mg,Lemborexant 25mg,Placebo

Eligible healthy adult and elderly participants will receive lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets) on the night of Day 1 of Treatment Period 1, followed by lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet) on the night of Day 1 of Treatment Period 2, and then lemborexant-matched placebo (3 matched tablets) on the night of Day 1 of Treatment Period 3. A washout period of 14 days was maintained between each Treatment Period.

Drug: Placebo
HV: Lemborexant-matched oral placebo will be administered at bedtime in the clinic (within 5 minutes of lights off).

Drug: Lemborexant 10 mg
HV: 10 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off).

Drug: Lemborexant 25 mg
HV: 25 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off).

Experimental: HV Cohort,Sequence C:Lemborexant 25mg,Placebo,Lemborexant 10mg

Eligible healthy adult and elderly participants will receive lemborexant 25 mg (2 lemborexant 10 mg tablet and 1 lemborexant 5 mg tablet) on the night of Day 1 of Treatment Period 1, followed by lemborexant-matched placebo (3 matched tablets) on the night of Day 1 of Treatment Period 2, and then lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets) on the night of Day 1 of Treatment Period 3. A washout period of 14 days was maintained between each Treatment Period.

Drug: Placebo
HV: Lemborexant-matched oral placebo will be administered at bedtime in the clinic (within 5 minutes of lights off).

Drug: Lemborexant 10 mg
HV: 10 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off).

Drug: Lemborexant 25 mg
HV: 25 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off).

Experimental: OSA Cohort, Sequence D: Placebo, Lemborexant 10mg

Eligible adult and elderly participants with mild OSA will receive one lemborexant-matched placebo tablet on the night of Day 1 through Day 8 of Treatment Period 1, followed by one lemborexant 10 mg tablet on the night of Day 1 through Day 8 of Treatment Period 2. A washout period of 14 days was maintained between each Treatment Period.

Drug: Placebo
OSA: Lemborexant-matched oral placebo will be administered at bedtime in the clinic (within 5 minutes of lights off) in the evening of Days 1 and 8. On Days 2 to 7, participants will take study drug at home, immediately (within 5 minutes) of the time they intend to try to sleep.

Drug: Lemborexant 10 mg
OSA: 10 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off) in the evening of Days 1 and 8. On Days 2 to 7, participants will take study drug at home, immediately (within 5 minutes) of the time they intend to try to sleep.

Experimental: OSA Cohort, Sequence E: Lemborexant 10mg, Placebo

Eligible adult and elderly participants with mild OSA will receive one lemborexant 10 mg tablet on the night of Day 1 through Day 8 of Treatment Period 1, followed by one lemborexant-matched placebo tablet on the night of Day 1 through Day 8 of Treatment Period 2. A washout period of 14 days was maintained between each Treatment Period.

Drug: Placebo
OSA: Lemborexant-matched oral placebo will be administered at bedtime in the clinic (within 5 minutes of lights off) in the evening of Days 1 and 8. On Days 2 to 7, participants will take study drug at home, immediately (within 5 minutes) of the time they intend to try to sleep.

Drug: Lemborexant 10 mg
OSA: 10 mg oral lemborexant will be administered at bedtime in the clinic (within 5 minutes of lights off) in the evening of Days 1 and 8. On Days 2 to 7, participants will take study drug at home, immediately (within 5 minutes) of the time they intend to try to sleep.

Outcome Measures

Primary Outcome Measures

  1. HV Cohort: Peripheral Oxygen Saturation (SpO2) During Total Sleep Time (TST) on Day 1 of Treatment [Day 1]

    SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using polysomnography (PSG).

  2. OSA Cohort: Apnea-Hypopnea Index (AHI) on Day 8 of Treatment [Day 8]

    The AHI is the number of apneas and hypopneas per hour of sleep. AHI less than 5 is considered normal. An AHI from 5 to 14 denotes mild sleep apnea, 15 to 30 is moderate, while a greater than 30 AHI is considered severe.

Secondary Outcome Measures

  1. HV Cohort: AHI on Day 1 of Treatment [Day 1]

    The AHI is the number of apneas and hypopneas per hour of sleep. AHI less than 5 is considered normal. An AHI from 5 to 14 denotes mild sleep apnea, 15 to 30 is moderate, while a greater than 30 AHI is considered severe.

  2. OSA Cohort: AHI on Day 1 of Treatment [Day 1]

    The AHI is the number of apneas and hypopneas per hour of sleep. AHI less than 5 is considered normal. An AHI from 5 to 14 denotes mild sleep apnea, 15 to 30 is moderate, while a greater than 30 AHI is considered severe.

  3. HV Cohort: Percentage of TST During Which SpO2 Was Less Than (<) 90 Percent (%), 85 % and 80 % on Day 1 of Treatment [Day 1]

    TST was defined as the total time asleep in minutes using PSG. SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry.

  4. HV Cohort: Percentage of Participants With at Least One Incident of SpO2 <90% for at Least 30 Seconds During TST on Day 1 of Treatment [Day 1]

    SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using PSG.

  5. OSA Cohort: SpO2 During TST on Day 1 and Day 8 of Treatment [Day 1 and Day 8]

    SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using PSG.

  6. OSA Cohort: Percentage of TST During Which the SpO2 is <90%, 85% and 80 % on Day 1 and Day 8 of Treatment [Day 1 and Day 8]

    TST was defined as the total time asleep in minutes using PSG. SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry.

  7. OSA Cohort: Percentage of Participants With at Least One Incident of SpO2 <90% for at Least 30 Seconds During TST on Day 1 and Day 8 of Treatment [Day 1 and Day 8]

    SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using PSG.

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years to 90 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
Yes
Inclusion Criteria:
Participants must meet all of the following criteria to be included in this study:
  • Male or female, age ≥18 years and ≤90 years at the time of informed consent

  • Voluntary agreement and ability to provide written informed consent

  • Reports habitually sleeping for at least 5.5 hours per night

  • Agrees to stay in bed for 7 hours per night for the duration of treatment

  • Reports habitual bedtime between 21:00 and 01:00

  • Peripheral capillary oxygen saturation (SpO2) ≥94% assessed as part of vital signs at Screening Visit 1

Additional Inclusion Criteria (Healthy Volunteer [HV] Cohort):
  • Body mass index (BMI) less than or equal to 32 kilograms per meters squared (kg/m^2)

  • On screening polysomnography (PSG) (Screening Visit 2): apnea-hypopnea index (AHI) <5

Additional Inclusion Criteria (Obstructive Sleep Apnea [OSA] Cohort):
  • BMI ≤40 kg/m^2

  • OSA, diagnosed according to the criteria of the International Classification of Sleep Disorders, version 3

  • On Screening PSG: AHI ≥5 to <15 (mild severity)

Exclusion Criteria:
  • A current diagnosis of restless legs syndrome, periodic limb movement disorder, circadian rhythm sleep disorder, or narcolepsy

  • Reports symptoms potentially related to narcolepsy, that in the clinical opinion of the investigator indicate the need for referral for a diagnostic evaluation for the presence of narcolepsy

  • A history of a parasomnia or parasomnia observed on the Screening PSG that in the investigator's opinion makes the participant unsuitable for the study

  • Periodic Limb Movement with Arousal Index (PLMAI) as measured on the Screening PSG:

  1. Age 18 to <65 years: PLMAI ≥10

  2. Age ≥65 years: PLMAI >15

  • History of or suspected drug or alcohol use disorder within approximately 2 previous years

  • A positive urine drug test or breath alcohol test at Screening or Baseline, or unwilling to refrain from use of recreational drugs during the study

  • Known to be human immunodeficiency virus positive

  • Active viral hepatitis (B or C) as demonstrated by positive viral serology at Screening

  • A prolonged QT/corrected QT (QTc) interval (QT interval corrected for heart rate using Fridericia's formula [QTcF] >450 milliseconds [ms]) as demonstrated by a repeated electrocardiogram (ECG) at Screening (repeated if initial ECG indicates a QTcF interval >450 ms)

  • Comorbid nocturia resulting in the need to get out of bed to use the bathroom more than 3 times during the night

  • Any history of medical or psychiatric condition that in the opinion of the investigator could affect the participant's safety or interfere with the study assessments

  • Any suicidal ideation with intent to act with or without a plan, current or within 6 months before the Columbia - Suicide Severity Rating Scale (C-SSRS) administration during the Screening (e.g., answering "Yes" to questions 4 or 5 on the Suicidal Ideation section of the C-SSRS

  • Any suicidal behavior (per the Suicidal Behavior section of the C-SSRS) within 10 years of Screening

  • Scheduled for surgery during the study that requires general anesthesia or administration of prohibited medications

  • Used any prohibited prescription or over-the-counter medications within 1 week or 5 half-lives, whichever is longer, before the Screening PSG

  • Hypersensitivity to lemborexant or excipients

  • Currently enrolled in another interventional clinical trial or used any investigational drug or device within 30 days or 5 times the half-life, whichever is longer preceding informed consent

  • Previously participated in other clinical trial of lemborexant

  • Is unable to avoid working a night shift within 2 weeks before the Screening PSG, or between the Screening PSG and End-of-Study

  • Has travelled across 3 or more time zones in the week prior to Screening, or plans to travel across more than 3 time zones during the study

  • Clinically significant findings based on vital signs, physical examination, ECG, or clinical laboratory tests

Additional Exclusion Criteria (HV Cohort):
  • Any valid event of SpO2 <90% during the Screening PSG

  • Current evidence of a clinically significant, active respiratory disorder. This includes bronchiectasis, emphysema, asthma, chronic obstructive pulmonary disease, or any other pulmonary disorder identified by review of medical history, physical examination, and which in the opinion of the investigator, could compromise the participant's safety or interfere with study assessments

  • Presence of significant illness (including insomnia) that requires treatment or may influence the study assessments (e.g., psychiatric disorders, disorders of the gastrointestinal tract, liver, kidney, respiratory system, endocrine system, hematological system, neurological system, cardiovascular system, or a congenital abnormality), malignancy within the past 5 years (other than adequately treated basal cell carcinoma or in situ carcinoma of the cervix), or chronic pain that in the opinion of the investigator could interfere with the study assessments. Participants for whom a sedating drug would be contraindicated for safety reasons because of the participant's occupation or activities are also excluded

Additional Exclusion Criteria (OSA Cohort):
  • SpO2 less than 80% for ≥ 5% of total sleep time during the Screening PSG

  • Uses or plans to use of continuous positive airway pressure device or dental appliance within 2 weeks of the Screening PSG (Screening Visit 2) or during the study

  • Current evidence of a clinically significant, active respiratory disorder other than OSA. This includes bronchiectasis, emphysema, asthma, chronic obstructive pulmonary disease or any other pulmonary disorder identified by review of medical history, physical examination, and which in the opinion of the investigator, could compromise the participant's safety or interfere with study assessments

  • Current evidence of other clinically significant disease (e.g., psychiatric disorders, disorders of the gastrointestinal tract, liver, kidney, respiratory system, endocrine system, hematological system, neurological system, cardiovascular system, or a congenital abnormality), malignancy within the past 5 years (other than adequately treated basal cell carcinoma or in situ carcinoma of the cervix), or chronic pain that in the opinion of the investigator could affect the participant's safety or interfere with the study assessments. Participants for whom a sedating drug would be contraindicated for safety reasons because of the participant's occupation or activities are also excluded. Participants with insomnia disorder, who complain of difficulties with sleep onset and/or sleep maintenance, are eligible provided that they meet this criterion. Note that medications to treat insomnia are prohibited.

Contacts and Locations

Locations

Site City State Country Postal Code
1 PACT Glendale Arizona United States 85306
2 Pulmonary Associates, PA Phoenix Arizona United States 85006
3 Pacific Research Network. LLC San Diego California United States 92103
4 PAB Clinical Research Brandon Florida United States 33511
5 Research Centers of America Hollywood Florida United States 33024
6 Neurotrials Research, Inc Atlanta Georgia United States 30342
7 The Center for Sleep & Wake Disorders Chevy Chase Maryland United States 20815
8 Advarra Columbia Maryland United States 21046
9 Clinilabs Drug Development New York New York United States 10019
10 CTI Clinical Research Center Cincinnati Ohio United States 45212
11 Community Research Cincinnati Ohio United States 45227

Sponsors and Collaborators

  • Eisai Inc.
  • Purdue Pharma LP

Investigators

None specified.

Study Documents (Full-Text)

More Information

Publications

None provided.
Responsible Party:
Eisai Inc.
ClinicalTrials.gov Identifier:
NCT03471871
Other Study ID Numbers:
  • E2006-A001-102
First Posted:
Mar 21, 2018
Last Update Posted:
Feb 17, 2020
Last Verified:
Jul 1, 2018
Studies a U.S. FDA-regulated Drug Product:
Yes
Studies a U.S. FDA-regulated Device Product:
No
Keywords provided by Eisai Inc.
Additional relevant MeSH terms:

Study Results

Participant Flow

Recruitment Details Participants took part in the study at 8 investigative sites in the United States from February 21, 2018 to August 3, 2018.
Pre-assignment Detail In healthy volunteer (HV) cohort, 39 participants were screened and enrolled, of which 22 were screen failures, 17 were randomized to receive treatment. In obstructive sleep apnea (OSA) cohort, 107 participants were screened and enrolled, of which 68 were screen failures, 39 were randomized to receive treatment. Total participants enrolled=146
Arm/Group Title HV Cohort,Sequence A:Placebo,Lemborexant 10mg,Lemborexant 25mg HV Cohort,Sequence B:Lemborexant 10mg,Lemborexant 25mg,Placebo HV Cohort,Sequence C:Lemborexant 25mg,Placebo,Lemborexant 10mg OSA Cohort, Sequence D: Placebo, Lemborexant 10mg OSA Cohort, Sequence E: Lemborexant 10mg, Placebo
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 1, followed by lemborexant 10 mg (milligram) (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 2, and then lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 3. A washout period of 14 days was maintained between each treatment period. Eligible healthy adult and elderly participants received lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 1, followed by lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 2, and then lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 3. A washout period of 14 days was maintained between each treatment period. Eligible healthy adult and elderly participants received lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 1, followed by lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 2, and then lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 of Treatment Period 3. A washout period of 14 days was maintained between each treatment period. Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 of Treatment Period 1, followed by one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 of Treatment Period 2. A washout period of 14 days was maintained between each treatment period. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once in the evening of Day 1 through Day 8 of Treatment Period 1, followed by one lemborexant-matched placebo, tablet, orally, once, in the evening of Day 1 through Day 8 of Treatment Period 2. A washout period of 14 days was maintained between each treatment period.
Period Title: Treatment Period 1(HV:1 Day, OSA:8 Days)
STARTED 6 5 6 19 20
Treated 6 5 6 18 20
COMPLETED 6 5 5 18 19
NOT COMPLETED 0 0 1 1 1
Period Title: Treatment Period 1(HV:1 Day, OSA:8 Days)
STARTED 6 5 5 18 19
COMPLETED 6 5 5 18 19
NOT COMPLETED 0 0 0 0 0
Period Title: Treatment Period 1(HV:1 Day, OSA:8 Days)
STARTED 6 5 5 18 19
COMPLETED 6 5 5 18 18
NOT COMPLETED 0 0 0 0 1
Period Title: Treatment Period 1(HV:1 Day, OSA:8 Days)
STARTED 6 5 5 0 0
COMPLETED 6 5 5 0 0
NOT COMPLETED 0 0 0 0 0
Period Title: Treatment Period 1(HV:1 Day, OSA:8 Days)
STARTED 6 5 5 0 0
COMPLETED 6 5 5 0 0
NOT COMPLETED 0 0 0 0 0
Period Title: Treatment Period 1(HV:1 Day, OSA:8 Days)
STARTED 6 5 5 18 18
COMPLETED 6 5 5 17 17
NOT COMPLETED 0 0 0 1 1

Baseline Characteristics

Arm/Group Title HV Cohort OSA Cohort Total
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]) or lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. A washout period of 14 days was maintained between each treatment period. Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo or one lemborexant 10 mg, tablets, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. A washout period of 14 days was maintained between each treatment period. Total of all reporting groups
Overall Participants 17 39 56
Age (Count of Participants)
<=18 years
0
0%
0
0%
0
0%
Between 18 and 65 years
10
58.8%
26
66.7%
36
64.3%
>=65 years
7
41.2%
13
33.3%
20
35.7%
Sex: Female, Male (Count of Participants)
Female
12
70.6%
24
61.5%
36
64.3%
Male
5
29.4%
15
38.5%
20
35.7%
Ethnicity (NIH/OMB) (Count of Participants)
Hispanic or Latino
1
5.9%
16
41%
17
30.4%
Not Hispanic or Latino
16
94.1%
23
59%
39
69.6%
Unknown or Not Reported
0
0%
0
0%
0
0%
Race (NIH/OMB) (Count of Participants)
American Indian or Alaska Native
0
0%
0
0%
0
0%
Asian
0
0%
0
0%
0
0%
Native Hawaiian or Other Pacific Islander
0
0%
1
2.6%
1
1.8%
Black or African American
8
47.1%
3
7.7%
11
19.6%
White
9
52.9%
35
89.7%
44
78.6%
More than one race
0
0%
0
0%
0
0%
Unknown or Not Reported
0
0%
0
0%
0
0%

Outcome Measures

1. Primary Outcome
Title HV Cohort: Peripheral Oxygen Saturation (SpO2) During Total Sleep Time (TST) on Day 1 of Treatment
Description SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using polysomnography (PSG).
Time Frame Day 1

Outcome Measure Data

Analysis Population Description
Pharmacodynamic (PD) analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter.
Arm/Group Title HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3.
Measure Participants 16 16 16
Mean (Standard Deviation) [percentage of oxygen saturation]
95.34
(0.900)
95.00
(1.283)
95.07
(1.311)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.099
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter Least squares (LS) mean difference
Estimated Value -0.36
Confidence Interval (2-Sided) 95%
-0.78 to 0.07
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 2
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 25 mg
Comments
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.176
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value -0.29
Confidence Interval (2-Sided) 95%
-0.72 to 0.14
Parameter Dispersion Type:
Value:
Estimation Comments
2. Primary Outcome
Title OSA Cohort: Apnea-Hypopnea Index (AHI) on Day 8 of Treatment
Description The AHI is the number of apneas and hypopneas per hour of sleep. AHI less than 5 is considered normal. An AHI from 5 to 14 denotes mild sleep apnea, 15 to 30 is moderate, while a greater than 30 AHI is considered severe.
Time Frame Day 8

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter. Here, overall number of participants analyzed signifies participants who were evaluable for this outcome measure.
Arm/Group Title OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Arm/Group Description Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2.
Measure Participants 35 37
Mean (Standard Deviation) [events (apnea plus hyponea) per hour]
10.03
(6.799)
9.99
(5.878)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.948
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments AHI was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value -0.06
Confidence Interval (2-Sided) 95%
-1.95 to 1.83
Parameter Dispersion Type:
Value:
Estimation Comments
3. Secondary Outcome
Title HV Cohort: AHI on Day 1 of Treatment
Description The AHI is the number of apneas and hypopneas per hour of sleep. AHI less than 5 is considered normal. An AHI from 5 to 14 denotes mild sleep apnea, 15 to 30 is moderate, while a greater than 30 AHI is considered severe.
Time Frame Day 1

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter.
Arm/Group Title HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3.
Measure Participants 16 16 16
Mean (Standard Deviation) [events (apnea plus hyponea) per hour]
4.69
(8.183)
5.29
(10.484)
3.55
(6.585)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.639
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments AHI was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.52
Confidence Interval (2-Sided) 95%
-1.72 to 2.76
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 2
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 25 mg
Comments
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.297
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments AHI was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value -1.16
Confidence Interval (2-Sided) 95%
-3.40 to 1.08
Parameter Dispersion Type:
Value:
Estimation Comments
4. Secondary Outcome
Title OSA Cohort: AHI on Day 1 of Treatment
Description The AHI is the number of apneas and hypopneas per hour of sleep. AHI less than 5 is considered normal. An AHI from 5 to 14 denotes mild sleep apnea, 15 to 30 is moderate, while a greater than 30 AHI is considered severe.
Time Frame Day 1

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter. Here, overall number of participants analyzed signifies participants who were evaluable for this outcome measure.
Arm/Group Title OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Arm/Group Description Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2.
Measure Participants 37 36
Mean (Standard Deviation) [events (apnea plus hyponea) per hour]
10.24
(7.094)
10.29
(6.681)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.979
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments AHI was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value -0.03
Confidence Interval (2-Sided) 95%
-2.22 to 2.17
Parameter Dispersion Type:
Value:
Estimation Comments
5. Secondary Outcome
Title HV Cohort: Percentage of TST During Which SpO2 Was Less Than (<) 90 Percent (%), 85 % and 80 % on Day 1 of Treatment
Description TST was defined as the total time asleep in minutes using PSG. SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry.
Time Frame Day 1

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter.
Arm/Group Title HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3.
Measure Participants 16 16 16
SpO2 <90%
0.037
(0.0968)
0.224
(0.3755)
0.287
(0.5555)
SpO2 <85%
0
(0)
0.004
(0.0109)
0.047
(0.1516)
SpO2 <80%
0
(0)
0.001
(0.0034)
0.003
(0.0077)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments SpO2 is <90%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.095
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.185
Confidence Interval (2-Sided) 95%
-0.034 to 0.405
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 2
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 25 mg
Comments When SpO2 is <90%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.030
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.245
Confidence Interval (2-Sided) 95%
0.025 to 0.464
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 3
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments SpO2 is <85%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.885
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.004
Confidence Interval (2-Sided) 95%
-0.058 to 0.067
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 4
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 25 mg
Comments SpO2 is <85%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.158
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.044
Confidence Interval (2-Sided) 95%
-0.018 to 0.107
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 5
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments SpO2 is <80%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.462
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.001
Confidence Interval (2-Sided) 95%
-0.002 to 0.005
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 6
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 25 mg
Comments SpO2 is <80%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.166
Comments P-Value was at the 0.05 level of significance.
Method Mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.002
Confidence Interval (2-Sided) 95%
-0.001 to 0.006
Parameter Dispersion Type:
Value:
Estimation Comments
6. Secondary Outcome
Title HV Cohort: Percentage of Participants With at Least One Incident of SpO2 <90% for at Least 30 Seconds During TST on Day 1 of Treatment
Description SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using PSG.
Time Frame Day 1

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter.
Arm/Group Title HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3.
Measure Participants 16 16 16
Number [percentage of participant]
31.3
31.3
37.5
7. Secondary Outcome
Title OSA Cohort: SpO2 During TST on Day 1 and Day 8 of Treatment
Description SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using PSG.
Time Frame Day 1 and Day 8

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter. Here, 'number analyzed' signifies participants who were evaluable for analysis at the specified timepoints.
Arm/Group Title OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Arm/Group Description Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2.
Measure Participants 37 37
Day 1
94.53
(1.620)
94.54
(1.470)
Day 8
94.46
(1.316)
94.65
(1.539)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 1: Mean SpO2 during TST
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.699
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.07
Confidence Interval (2-Sided) 95%
-0.31 to 0.46
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 2
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 8: Mean SpO2 during TST
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.169
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.25
Confidence Interval (2-Sided) 95%
-0.11 to 0.61
Parameter Dispersion Type:
Value:
Estimation Comments
8. Secondary Outcome
Title OSA Cohort: Percentage of TST During Which the SpO2 is <90%, 85% and 80 % on Day 1 and Day 8 of Treatment
Description TST was defined as the total time asleep in minutes using PSG. SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry.
Time Frame Day 1 and Day 8

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter. Here, 'number analyzed' signifies participants who were evaluable for analysis at the specified timepoints.
Arm/Group Title OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Arm/Group Description Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2.
Measure Participants 37 37
Day 1: SpO2 <90%
1.044
(1.8851)
1.362
(2.6170)
Day 1: SpO2 <85%
0.104
(0.3043)
0.170
(0.5132)
Day 1: SpO2 <80%
0.012
(0.0483)
0.014
(0.0433)
Day 8: SpO2 <90%
1.011
(1.4210)
1.102
(1.5469)
Day 8: SpO2 <85%
0.109
(0.2974)
0.162
(0.4350)
Day 8: SpO2 <80%
0.009
(0.0366)
0.015
(0.0603)
Statistical Analysis 1
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 1: SpO2 is <90%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.472
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.312
Confidence Interval (2-Sided) 95%
-0.558 to 1.181
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 2
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 1: SpO2 is <85%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.479
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.067
Confidence Interval (2-Sided) 95%
-0.124 to 0.258
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 3
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 1: SpO2 is <80%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.852
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.002
Confidence Interval (2-Sided) 95%
-0.019 to 0.023
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 4
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 8: SpO2 is <90%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.733
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.088
Confidence Interval (2-Sided) 95%
-0.431 to 0.607
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 5
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 8: When SpO2 is <85%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.518
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LSM difference
Estimated Value 0.056
Confidence Interval (2-Sided) 95%
-0.117 to 0.228
Parameter Dispersion Type:
Value:
Estimation Comments
Statistical Analysis 6
Statistical Analysis Overview Comparison Group Selection HV Cohort: Placebo, HV Cohort: Lemborexant 10 mg
Comments Day 8: SpO2 is <80%
Type of Statistical Test Other
Comments
Statistical Test of Hypothesis p-Value 0.576
Comments P-Value was at the 0.05 level of significance.
Method mixed effect model
Comments SPO2 was analyzed by mixed effect model, which included fixed effects for sequence, period, treatment a random effect for participant within sequence.
Method of Estimation Estimation Parameter LS mean difference
Estimated Value 0.006
Confidence Interval (2-Sided) 95%
-0.015 to 0.026
Parameter Dispersion Type:
Value:
Estimation Comments
9. Secondary Outcome
Title OSA Cohort: Percentage of Participants With at Least One Incident of SpO2 <90% for at Least 30 Seconds During TST on Day 1 and Day 8 of Treatment
Description SpO2 is an estimate of the amount of oxygen in the blood. It is the percentage of hemoglobin containing oxygen compared to the total amount of hemoglobin in the blood (that is, oxygenated hemoglobin versus oxygenated and non-oxygenated hemoglobin). SpO2 was monitored by noninvasive method known as transmissive pulse oximetry. TST was defined as the total time asleep in minutes using PSG.
Time Frame Day 1 and Day 8

Outcome Measure Data

Analysis Population Description
PD analysis set included group of participants who received at least 1 dose of study drug in each treatment periods and who had sufficient PD data to derive at least 1 primary PD parameter.
Arm/Group Title OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Arm/Group Description Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2.
Measure Participants 37 37
Day 1: SpO2 <90%
67.6
75.7
Day 8: SpO2 <90%
75.7
83.8

Adverse Events

Time Frame Baseline up to end of follow up visit (up to 67 days)
Adverse Event Reporting Description Safety analysis set included group of participants who received study drug and had at least 1 postdose safety assessment.
Arm/Group Title HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Arm/Group Description Eligible healthy adult and elderly participants received lemborexant-matched placebo (3 placebo tablets), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 10 mg (1 lemborexant 10 mg tablet and 2 matching placebo tablets [to maintain blind]), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible healthy adult and elderly participants received lemborexant 25 mg (2 lemborexant 10 mg tablets and 1 lemborexant 5 mg tablet), orally, once, in the evening (within 5 minutes of lights off) of Day 1 in the respective Treatment Period 1, 2 or 3. Eligible adult and elderly participants with mild OSA received one lemborexant-matched placebo, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2. Eligible adult and elderly participants with mild OSA received one lemborexant 10 mg, tablet, orally, once, in the evening (within 5 minutes of lights off) of Day 1 through Day 8 in the respective Treatment Period 1 or 2.
All Cause Mortality
HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
Total 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 0/38 (0%)
Serious Adverse Events
HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
Total 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 0/38 (0%)
Other (Not Including Serious) Adverse Events
HV Cohort: Placebo HV Cohort: Lemborexant 10 mg HV Cohort: Lemborexant 25 mg OSA Cohort: Placebo OSA Cohort: Lemborexant 10 mg
Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
Total 1/16 (6.3%) 1/16 (6.3%) 4/17 (23.5%) 5/38 (13.2%) 6/38 (15.8%)
Eye disorders
Photopsia 0/16 (0%) 0/16 (0%) 1/17 (5.9%) 0/38 (0%) 0/38 (0%)
Gastrointestinal disorders
Abdominal pain upper 0/16 (0%) 0/16 (0%) 0/17 (0%) 1/38 (2.6%) 0/38 (0%)
Haemorrhoids 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 1/38 (2.6%)
General disorders
Asthenia 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 1/38 (2.6%)
Immune system disorders
Seasonal allergy 0/16 (0%) 0/16 (0%) 1/17 (5.9%) 0/38 (0%) 0/38 (0%)
Infections and infestations
Nasopharyngitis 0/16 (0%) 0/16 (0%) 0/17 (0%) 1/38 (2.6%) 0/38 (0%)
Vaginal infection 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 1/38 (2.6%)
Musculoskeletal and connective tissue disorders
Arthralgia 0/16 (0%) 0/16 (0%) 1/17 (5.9%) 0/38 (0%) 0/38 (0%)
Muscular weakness 0/16 (0%) 0/16 (0%) 1/17 (5.9%) 0/38 (0%) 0/38 (0%)
Myalgia 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 1/38 (2.6%)
Nervous system disorders
Dizziness 0/16 (0%) 0/16 (0%) 1/17 (5.9%) 1/38 (2.6%) 0/38 (0%)
Somnolence 0/16 (0%) 1/16 (6.3%) 1/17 (5.9%) 0/38 (0%) 2/38 (5.3%)
Headache 0/16 (0%) 0/16 (0%) 0/17 (0%) 1/38 (2.6%) 0/38 (0%)
Reproductive system and breast disorders
Endometriosis 0/16 (0%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 1/38 (2.6%)
Respiratory, thoracic and mediastinal disorders
Rhinitis allergic 1/16 (6.3%) 0/16 (0%) 0/17 (0%) 0/38 (0%) 0/38 (0%)
Vascular disorders
Hypertension 0/16 (0%) 0/16 (0%) 0/17 (0%) 1/38 (2.6%) 0/38 (0%)

Limitations/Caveats

[Not Specified]

More Information

Certain Agreements

Principal Investigators are NOT employed by the organization sponsoring the study.

There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.

Results Point of Contact

Name/Title Eisai Medical Information
Organization Eisai Inc.
Phone +1-888-274-2378
Email esi_medinfo@eisai.com
Responsible Party:
Eisai Inc.
ClinicalTrials.gov Identifier:
NCT03471871
Other Study ID Numbers:
  • E2006-A001-102
First Posted:
Mar 21, 2018
Last Update Posted:
Feb 17, 2020
Last Verified:
Jul 1, 2018