Pericoital Oral Contraception With Levonorgestrel
Study Details
Study Description
Brief Summary
A prospective, open-label, single arm, multicenter study to evaluate efficacy, safety and acceptability of pericoital oral contraception with levonorgestrel
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
Phase 3 |
Detailed Description
This is a prospective, open-label, single arm, multicenter study to evaluate efficacy, safety and acceptability of pericoital oral contraception with levonorgestrel (LNG). The objectives of the study as stated in the study protocol are as follows:
-
To evaluate the efficacy of the study regimen among women who have sex 1-4 days a month and who are relying on the study regimen as their primary method of contraception
-
To evaluate the safety of this regimen, with particular emphasis on its effects on vaginal bleeding patterns and anemia
-
To evaluate the acceptability of the regimen The study will enroll fertile women of reproductive age who have sex up to 6 days a month, are at low risk for sexually transmitted infections (STIs), have no contraindications to progestin-only oral contraceptives,have no serious contraindications to pregnancy, and are willing to use an investigational method of contraception as their only contraceptive method for 6.5 months (each tablet contains 0.75 mg LNG to be used after every sex act).
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Experimental: Levonorgestrel 0.75 mg of levonorgestrel within 24 hours of sex |
Drug: levonorgestrel
oral contraceptive pills
|
Outcome Measures
Primary Outcome Measures
- Efficacy: the Pearl Index (Number of Pregnancies Per 100 Woman-years) in the Primary Evaluable Population (18-35) [6.5 months]
Participants were followed for 6.5 months.Pearl Index in the 18-35 year population was collected excluding months in which barrier methods, condoms, or emergency contraception were used unless the subject conceived
- Participant Report of Adverse Events. [6.5 months]
Safety data includes data from each subject up to two weeks after her last use of the study tablets as well as all events deemed related to study product, regardless of date last tablet was taken
Secondary Outcome Measures
- Acceptability Based on Bleeding Patterns Reported [6.5 months]
Number of participants who reported bleeding patterns were acceptable and would therefore use Levonorgestrel
Eligibility Criteria
Criteria
Inclusion Criteria:
Each woman enrolled in the trial must meet the following inclusion criteria:
-
Competent to provide informed consent to participate in the trial and has done so.
-
At least the minimum age is 18 to 45 years old.
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Had sex 1 to 4 days in past month and expects to continue at that frequency for the next 6.5 months.
-
At low risk for sexually transmitted infection (STI), operationally meaning that neither she nor her partner to her knowledge has had any of the following:
-
More than one sexual partner currently or any expectation of having more than one sexual partner in the next 6.5 months
-
Diagnosis of human immunodeficiency virus (HIV) infection, hepatitis B or hepatitis C
-
Treatment for a STI within the past 6 months, excluding recurrent genital herpes or condyloma
-
Sharing of illicit injection drug equipment ever in the past.
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Willing to use the study regimen as her only contraceptive method for the next 6.5 months (except that she may also use condoms if needed for protection from STIs).
-
Wants to avoid pregnancy for at least the next 6.5 months.
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Willing to accept an uncertain risk of pregnancy during the study.
-
Gives correct answers to the informed consent quiz.
-
Willing and able to follow all study requirements.
Exclusion Criteria:
To be eligible for enrollment, a woman must not meet any of the following exclusion criteria:
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Pregnant as verified by a pregnancy test at enrollment.
-
Has an indication of current subfecundity, specifically:
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Her last pregnancy ended within the last 8 weeks, or she has had fewer than two menstrual periods since resolution of last pregnancy
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She has not had normal monthly menses for the past 2 months
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She is currently breastfeeding
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She has used any hormonal contraceptive other than emergency contraceptive pills since the onset of her last menstrual period
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Has received an injection of a long term injectable contraceptive in the last 9 months
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Currently has an intrauterine device
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Has had a sterilization procedure or ectopic pregnancy
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Has been diagnosed by a clinician as having a fertility problem
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Her partner has had a sterilization procedure or infertility diagnosis, to her knowledge.
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She currently has known contraindications to progestin-only pills, specifically including the following conditions:
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Unexplained abnormal vaginal bleeding
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Deep venous thrombosis or pulmonary embolus
-
Active viral hepatitis
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Decompensated cirrhosis
-
Liver tumor
-
History of breast cancer within the past 5 years.
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Has a breast mass on examination.
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Has a personal or family history suggestive of predisposition to thrombosis.
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Has a serious contraindication to pregnancy (medical condition or use of chronic medication such as isotretinoin or thalidomide).
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Taking drugs that are known to interact with progestins (such as rifampicin or anticonvulsant medications).
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Has previously participated in this study.
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Currently participating in another medical research study.
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The site investigator or designee perceives another reason to exclude her from the trial.
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Planned Parenthood of the Rocky Mountains | Denver | Colorado | United States | 80232 |
2 | Planned Parenthood Gulf Coast, Inc. | Houston | Texas | United States | 77004 |
3 | Planned Parenthood Association of Utah | Salt Lake City | Utah | United States | 84102 |
4 | CEMICAMP | Campinas | Brazil |
Sponsors and Collaborators
- FHI 360
Investigators
- Principal Investigator: Vera Halpern, MD, FHI 360
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- 10139
Study Results
Participant Flow
Recruitment Details | |
---|---|
Pre-assignment Detail |
Arm/Group Title | Levonorgestrel |
---|---|
Arm/Group Description | Only one study arm. All women were assigned to take 0.75 mg oral contraceptive pills (levonorgestrel) within 24 hours of engaging in sex. |
Period Title: Overall Study | |
STARTED | 72 |
COMPLETED | 68 |
NOT COMPLETED | 4 |
Baseline Characteristics
Arm/Group Title | Levonorgestrel |
---|---|
Arm/Group Description | 0.75 mg levonorgestrel oral contraceptive pills (levonorgestrel) : oral contraceptive pills |
Overall Participants | 72 |
Age (years) [Mean (Standard Deviation) ] | |
Mean (Standard Deviation) [years] |
32.4
(6.9)
|
Sex: Female, Male (Count of Participants) | |
Female |
72
100%
|
Male |
0
0%
|
Region of Enrollment (participants) [Number] | |
Africa |
72
100%
|
Outcome Measures
Title | Efficacy: the Pearl Index (Number of Pregnancies Per 100 Woman-years) in the Primary Evaluable Population (18-35) |
---|---|
Description | Participants were followed for 6.5 months.Pearl Index in the 18-35 year population was collected excluding months in which barrier methods, condoms, or emergency contraception were used unless the subject conceived |
Time Frame | 6.5 months |
Outcome Measure Data
Analysis Population Description |
---|
[Not Specified] |
Arm/Group Title | Levonorgestrel |
---|---|
Arm/Group Description | 0.75 mg levonorgestrel oral contraceptive pills |
Measure Participants | 68 |
Number [pregnancies per 100 woman years] |
22.4
|
Title | Acceptability Based on Bleeding Patterns Reported |
---|---|
Description | Number of participants who reported bleeding patterns were acceptable and would therefore use Levonorgestrel |
Time Frame | 6.5 months |
Outcome Measure Data
Analysis Population Description |
---|
A total of 56 women reported on their bleeding patterns, of these, 43 found it acceptable. Numbers reported in the participant Flow module, represent the total enrolled and the maximum number available for evaluation. Not all the enrolled participants could be analyzed for every outcome measure. |
Arm/Group Title | Levonorgestrel Arm |
---|---|
Arm/Group Description | Only one study arm. All women were assigned to take 0.75 mg oral contraceptive pills (levonorgestrel) within 24 hours of engaging in sex. |
Measure Participants | 56 |
Number [participants] |
43
59.7%
|
Title | Participant Report of Adverse Events. |
---|---|
Description | Safety data includes data from each subject up to two weeks after her last use of the study tablets as well as all events deemed related to study product, regardless of date last tablet was taken |
Time Frame | 6.5 months |
Outcome Measure Data
Analysis Population Description |
---|
A total of 58 women documented use of product on coital diaries and are included in the User Population for primary safety analysis. Numbers reported in the participant Flow module, represent the total enrolled and the maximum number available for evaluation. Not all the enrolled participants could be analyzed for every outcome measure. |
Arm/Group Title | Levonorgestrel Arm |
---|---|
Arm/Group Description | Only one study arm. All women were assigned to take 0.75 mg oral contraceptive pills (levonorgestrel) within 24 hours of engaging in sex. |
Measure Participants | 58 |
Number [adverse events] |
45
|
Adverse Events
Time Frame | ||
---|---|---|
Adverse Event Reporting Description | ||
Arm/Group Title | Levonorgestrel Arm | |
Arm/Group Description | Only one study arm. All women were assigned to take 0.75 mg oral contraceptive pills (levonorgestrel) within 24 hours of engaging in sex. | |
All Cause Mortality |
||
Levonorgestrel Arm | ||
Affected / at Risk (%) | # Events | |
Total | / (NaN) | |
Serious Adverse Events |
||
Levonorgestrel Arm | ||
Affected / at Risk (%) | # Events | |
Total | 0/72 (0%) | |
Other (Not Including Serious) Adverse Events |
||
Levonorgestrel Arm | ||
Affected / at Risk (%) | # Events | |
Total | 28/72 (38.9%) | |
Blood and lymphatic system disorders | ||
anemia | 10/72 (13.9%) | 11 |
Gastrointestinal disorders | ||
nausea | 2/72 (2.8%) | 2 |
vomiting | 1/72 (1.4%) | 1 |
General disorders | ||
irritability | 1/72 (1.4%) | 1 |
Immune system disorders | ||
hypersensitivity | 1/72 (1.4%) | 1 |
Infections and infestations | ||
Cellulitis | 1/72 (1.4%) | 1 |
chlamydial infection | 1/72 (1.4%) | 1 |
ear infection | 1/72 (1.4%) | 1 |
influenza | 1/72 (1.4%) | 1 |
rhinitis | 1/72 (1.4%) | 1 |
sinusitis | 1/72 (1.4%) | 1 |
tonsilitis | 1/72 (1.4%) | 1 |
upper respiratory tract infection | 2/72 (2.8%) | 2 |
urinary tract infections | 1/72 (1.4%) | 1 |
vaginal candidiasis | 5/72 (6.9%) | 5 |
Musculoskeletal and connective tissue disorders | ||
pain in extremity | 1/72 (1.4%) | 1 |
Nervous system disorders | ||
headache | 3/72 (4.2%) | 4 |
Renal and urinary disorders | ||
dysuria | 1/72 (1.4%) | 1 |
Reproductive system and breast disorders | ||
cervical dysplasia | 1/72 (1.4%) | 1 |
decereased libido | 1/72 (1.4%) | 1 |
vaginal discharge | 3/72 (4.2%) | 3 |
Respiratory, thoracic and mediastinal disorders | ||
cough | 1/72 (1.4%) | 1 |
Skin and subcutaneous tissue disorders | ||
dermititis allergic | 1/72 (1.4%) | 1 |
seborrhea | 1/72 (1.4%) | 1 |
Limitations/Caveats
More Information
Certain Agreements
All Principal Investigators ARE 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 | Dr. Vera Halpern |
---|---|
Organization | FHI360 |
Phone | 9195447040 |
vhalpern@fhi360.org |
- 10139