FOCUS: A Research Study to Look at How Semaglutide Compared to Placebo Affects Diabetic Eye Disease in People With Type 2 Diabetes

Sponsor
Novo Nordisk A/S (Industry)
Overall Status
Recruiting
CT.gov ID
NCT03811561
Collaborator
(none)
1,500
186
2
100
8.1
0.1

Study Details

Study Description

Brief Summary

This study will look at the long-term effects of semaglutide (active medicine) on diabetic eye disease when compared to placebo (dummy medicine). The study will be performed in people with type 2 diabetes. Participants will either get semaglutide or placebo in addition to their diabetes medicines - which treatment the participant gets is decided by chance. Participants will inject the study medicine using a pen-injector. The medicine must be injected in a skin fold in the stomach, thigh or upper arm once a week. The study will last for 5 years.

Condition or Disease Intervention/Treatment Phase
Phase 3

Study Design

Study Type:
Interventional
Anticipated Enrollment :
1500 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Masking Description:
Sponsor staff involved in the clinical trial is masked according to company standard procedures.
Primary Purpose:
Treatment
Official Title:
Long-term Effects of Semaglutide on Diabetic Retinopathy in Subjects With Type 2 Diabetes
Actual Study Start Date :
May 8, 2019
Anticipated Primary Completion Date :
Dec 25, 2026
Anticipated Study Completion Date :
Sep 7, 2027

Arms and Interventions

Arm Intervention/Treatment
Experimental: Semaglutide

Participants will receive semaglutide once weekly as subcutaneous (s.c., under the skin) injection added to standard of care.

Drug: Semaglutide
Participants will get one dose of semaglutide once weekly in addition to their diabetes medicines - which treatment they get is decided by chance. Participants will inject the study medicine using a pre-filled PDS290 pen-injector. The medicine must be injected in a skin fold in the stomach, thigh or upper arm once a week. Participants will start with once-weekly doses of 0.25 mg for 4 weeks, then the dose will be gradually increased to 0.5 mg once weekly for 4 weeks, and finally to 1.0 mg once weekly (maximum dose) up to 260 weeks (5 years).

Placebo Comparator: Placebo

Participants will receive placebo (semaglutide) once weekly as subcutaneous subcutaneous (s.c., under the skin) injection added to standard of care.

Drug: Placebo (semaglutide)
Participants will get one dose of placebo (semaglutide) once weekly in addition to their diabetes medicines - which treatment they get is decided by chance. Participants will inject the study medicine using a pre-filled PDS290 pen-injector. The medicine must be injected in a skin fold in the stomach, thigh or upper arm once a week. Participants will start with once-weekly doses of 0.25 mg for 4 weeks, then the dose will be gradually increased to 0.5 mg once weekly for 4 weeks, and finally to 1.0 mg once weekly (maximum dose) up to 260 weeks (5 years).

Outcome Measures

Primary Outcome Measures

  1. Presence of at least 3 steps Early Treatment Diabetic Retinopathy Study (ETDRS) subject level progression. [Year 5]

    Percentage of subjects (yes/no).

Secondary Outcome Measures

  1. Time from randomisation to first at least 3 steps ETDRS subject level progression or central involved diabetic macular oedema (ciDME) in either eye. [Up to 5 years]

    Measured in months.

  2. Change in visual acuity in the worse seeing eye. [Week 0, Year 5]

    Measured in number of letters using the ETDRS protocol.

  3. Change in visual acuity in the better seeing eye. [Week 0, Year 5]

    Measured in number of letters using the ETDRS protocol.

  4. Occurrence of treatment for diabetic retinopathy or diabetic macular oedema in either eye with focal/grid laser photocoagulation. [Week 0-Year 5]

    Percentage of subjects (yes/no).

  5. Occurrence of treatment for diabetic retinopathy or diabetic macular oedema in either eye with pan-retinal laser photocoagulation. [Week 0-Year 5]

    Percentage of subjects (yes/no).

  6. Occurrence of treatment for diabetic retinopathy or diabetic macular oedema in either eye with intravitreal injection with anti-vascular endothelial growth factor (VEGF). [Week 0-Year 5]

    Percentage of subjects (yes/no).

  7. Occurrence of treatment for diabetic retinopathy or diabetic macular oedema in either eye with intravitreal injection with steroid. [Week 0-Year 5]

    Percentage of subjects (yes/no).

  8. Occurrence of treatment for diabetic retinopathy or diabetic macular oedema in either eye with vitrectomy. [Week 0-Year 5]

    Percentage of subjects (yes/no).

  9. Presence of at least 3 steps ETDRS subject level improvement. [Year 5]

    Percentage of subjects (yes/no).

  10. Presence of at least 2 steps ETDRS subject level progression. [Year 5]

    Percentage of subjects (yes/no).

  11. Presence of at least 2 steps ETDRS subject level improvement. [Year 5]

    Percentage of subjects (yes/no).

  12. Presence of persistent visual acuity up to 38 ETDRS letters in either eye. [Year 5]

    Percentage of subjects (yes/no).

  13. Presence of persistent at least 2 lines (10 letters) ETDRS worsening in visual acuity in either eye from baseline. [Year 5]

    Percentage of subjects (yes/no).

  14. Presence of persistent at least 3 lines (15 letters) ETDRS worsening in visual acuity in either eye from baseline. [Year 5]

    Percentage of subjects (yes/no).

  15. Presence of persistent at least 2 lines (10 letters) ETDRS improvement in visual acuity in either eye from baseline. [Year 5]

    Percentage of subjects (yes/no).

  16. Persistent at least 3 lines (15 letters) ETDRS improvement in visual acuity in either eye from baseline. [Year 5]

    Percentage of subjects (yes/no).

  17. Presence of ciDME in either eye. [Year 5]

    Percentage of subjects (yes/no).

  18. Change in glycosylated haemoglobin (HbA1c). [Week 0, Year 5]

    Measured in %-points.

  19. Change in body weight. [Week 0, Year 5]

    Measured in kg.

  20. Change in systolic and diastolic blood pressure. [Week 0, Year 5]

    Measured in mmHg.

  21. Change in Lipids: Total-cholesterol, High density lipoprotein (HDL)-cholesterol, low density lipoprotein (LDL)-cholesterol and triglycerides. [Week 0, Year 5]

    Measured in mmol/L

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years and Older
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  • Male or female, age greater than or equal to 18 years at the time of signing informed consent

  • Diagnosed with type 2 diabetes mellitus.

  • HbA1c of 7.0-10.0% (53-86 mmol/mol) (both inclusive).

  • Eye inclusion criteria (both eyes must meet all criteria):

  • Early Treatment Diabetic Retinopathy Study (ETDRS) level of 10-75 (both inclusive) evaluated by fundus photography and confirmed by central reading centre

  • No ocular or intraocular treatment for diabetic retinopathy or diabetic macular oedema six months prior to the day of screening.

  • No anticipated need for ocular or intraocular treatment for diabetic retinopathy or diabetic macular oedema within three months after randomisation.

  • Best-corrected visual acuity greater than or equal to 30 letters using the ETDRS visual acuity protocol

  • No previous treatment with pan-retinal laser photocoagulation

  • No substantial non-diabetic ocular condition that, in the opinion of the ophthalmologist, would impact diabetic retinopathy or diabetic macular oedema progression during the trial

  • No substantial media opacities that would preclude successful imaging

Exclusion Criteria:
  • Any of the following: myocardial infarction, stroke, hospitalization for unstable angina pectoris or transient ischaemic attack within the past 60 days prior to the day of screening

  • Planned coronary, carotid or peripheral artery revascularisation known on the day of screening

  • Subjects presently classified as being in New York Heart Association (NYHA) Class IV

  • Renal impairment measured as estimated Glomerular Filtration Rate (eGFR) value of eGFR less than 30 ml/min/1.73 m^2

  • Personal or first degree relative(s) history of multiple endocrine neoplasia type 2 or medullary thyroid carcinoma

  • Presence or history of malignant neoplasms within the past 5 years prior to the day of screening. Basal and squamous cell skin cancer and any carcinoma in-situ are allowed

  • Female who is pregnant, breast-feeding or intends to become pregnant or is of child-bearing potential and not using highly effective contraceptive methods

  • Concurrent treatment with any GLP-1 receptor agonist or DPP-4 inhibitor from randomisation.

  • Receipt of any investigational medicinal product within 30 days before screening

  • Previous participation in this trial. Participation is defined as randomisation

  • Known or suspected hypersensitivity to trial products or related products

  • Any disorder, which in the investigator's opinion might jeopardise subject's safety or compliance with the protocol

Contacts and Locations

Locations

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Sponsors and Collaborators

  • Novo Nordisk A/S

Investigators

  • Study Director: Clinical Reporting Anchor and Disclosure (1452), Novo Nordisk A/S

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
Novo Nordisk A/S
ClinicalTrials.gov Identifier:
NCT03811561
Other Study ID Numbers:
  • NN9535-4352
  • U1111-1201-6256
  • 2017-003619-20
First Posted:
Jan 22, 2019
Last Update Posted:
Aug 11, 2022
Last Verified:
Aug 1, 2022
Individual Participant Data (IPD) Sharing Statement:
Yes
Plan to Share IPD:
Yes
Studies a U.S. FDA-regulated Drug Product:
Yes
Studies a U.S. FDA-regulated Device Product:
No
Additional relevant MeSH terms:

Study Results

No Results Posted as of Aug 11, 2022