Skip to content

Study · Observational study · n = 80,349 · 2026

18 results

Risk of Sight-Threatening Diabetic Retinopathy with Glucagon-Like Peptide-1 Receptor Agonist Use in Routine Clinical Practice: Comparative Effectiveness of Semaglutide, Dulaglutide, Liraglutide, and Exenatide.

Barkmeier AJ, Deng Y, Swarna KS, Herrin J, Polley EC, Umpierrez GE, Galindo RJ, Ross JS, Mickelson MM, McCoy RG

Ophthalmology. Retina6 Aug 2025Cited by 6 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study18

18 results from studies that gave the peptide. 18 results from people.

  1. 01HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, liraglutide did not differ significantly from dulaglutide in composite DME or PDR treatment hazard (HR 0.97, 95% CI 0.79-1.19).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, liraglutide and dulaglutide did not differ significantly in eye-complication treatment hazard.

    Outcome
    No significant changeComposite treatment for diabetic macular edema or proliferative diabetic retinopathy
    Study

    n: not reported in source

    Comparator
    Dulaglutide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    0.97
    liraglutide versus dulaglutide
    95% CI
    0.79 to 1.19
    liraglutide versus dulaglutide

    Source sentences

    Summary
    liraglutide versus dulaglutide (HR: 0.97; 95% CI: 0.79-1.19)
    3 context sentences
    Summary · context
    no differences were found in the hazard (hazard ratio [HR]) of composite treatment for DME or PDR:
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  2. 02HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, liraglutide did not differ significantly from dulaglutide in DME treatment hazard (HR 0.99, 95% CI 0.79-1.24).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, liraglutide and dulaglutide did not differ significantly in diabetic macular edema treatment hazard.

    Outcome
    No significant changeTreatment for diabetic macular edema
    Study

    n: not reported in source

    Comparator
    Dulaglutide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    0.99
    liraglutide versus dulaglutide
    95% CI
    0.79 to 1.24
    liraglutide versus dulaglutide

    Source sentences

    Summary
    nor were differences found in any comparisons for treatment of DME (HR: 0.93 [95% CI: 0.74-1.18]; HR 0.99 [95% CI: 0.79-1.24]; HR: 1.06 [95% CI: 0.80-1.40])
    3 context sentences
    Summary · context
    exenatide versus dulaglutide (HR 0.90; 95% confidence interval (CI): 0.73-1.12), liraglutide versus dulaglutide (HR: 0.97; 95% CI: 0.79-1.19), or liraglutide versus exenatide (HR: 1.08; 95% CI: 0.83-1.38)
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  3. 03HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, liraglutide did not differ significantly from dulaglutide in PDR treatment hazard (HR 1.05, 95% CI 0.73-1.51).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, liraglutide and dulaglutide did not differ significantly in proliferative retinopathy treatment hazard.

    Outcome
    No significant changeTreatment for proliferative diabetic retinopathy
    Study

    n: not reported in source

    Comparator
    Dulaglutide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    1.05
    liraglutide versus dulaglutide
    95% CI
    0.73 to 1.51
    liraglutide versus dulaglutide

    Source sentences

    Summary
    or PDR individually (HR: 1.16 [95% CI: 0.81-1.67]; HR: 1.05 [95% CI: 0.73-1.51]; HR: 0.91 [95% CI: 0.58-1.40).
    3 context sentences
    Summary · context
    exenatide versus dulaglutide (HR 0.90; 95% confidence interval (CI): 0.73-1.12), liraglutide versus dulaglutide (HR: 0.97; 95% CI: 0.79-1.19), or liraglutide versus exenatide (HR: 1.08; 95% CI: 0.83-1.38)
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  4. 04HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, semaglutide did not differ significantly from dulaglutide in composite DME or PDR treatment hazard (HR 0.88, 95% CI 0.70-1.11).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, semaglutide and dulaglutide did not differ significantly in eye-complication treatment hazard.

    Outcome
    No significant changeComposite treatment for diabetic macular edema or proliferative diabetic retinopathy
    Study

    n: not reported in source

    Comparator
    Dulaglutide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    0.88
    semaglutide versus dulaglutide
    95% CI
    0.7 to 1.11
    semaglutide versus dulaglutide

    Source sentences

    Summary
    Likewise, when comparing patients initiating semaglutide (n = 30 911, median follow-up 625 days [IQR: 455-850]) versus dulaglutide (n = 32 844, median follow-up 639 days [IQR: 459-878]), the hazards for treatment of DME or PDR (HR: 0.88; 95% CI: 0.70-1.11), DME (HR: 0.89; 95% CI: 0.69-1.14), and PDR…
    2 context sentences
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  5. 05HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, semaglutide did not differ significantly from dulaglutide in DME treatment hazard (HR 0.89, 95% CI 0.69-1.14).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, semaglutide and dulaglutide did not differ significantly in diabetic macular edema treatment hazard.

    Outcome
    No significant changeTreatment for diabetic macular edema
    Study

    n: not reported in source

    Comparator
    Dulaglutide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    0.89
    semaglutide versus dulaglutide
    95% CI
    0.69 to 1.14
    semaglutide versus dulaglutide

    Source sentences

    Summary
    Likewise, when comparing patients initiating semaglutide (n = 30 911, median follow-up 625 days [IQR: 455-850]) versus dulaglutide (n = 32 844, median follow-up 639 days [IQR: 459-878]), the hazards for treatment of DME or PDR (HR: 0.88; 95% CI: 0.70-1.11), DME (HR: 0.89; 95% CI: 0.69-1.14), and PDR…
    2 context sentences
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  6. 06HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, semaglutide did not differ significantly from dulaglutide in PDR treatment hazard (HR 0.70, 95% CI 0.45-1.09).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, semaglutide and dulaglutide did not differ significantly in proliferative retinopathy treatment hazard.

    Outcome
    No significant changeTreatment for proliferative diabetic retinopathy
    Study

    n: not reported in source

    Comparator
    Dulaglutide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    0.7
    semaglutide versus dulaglutide
    95% CI
    0.45 to 1.09
    semaglutide versus dulaglutide

    Source sentences

    Summary
    Likewise, when comparing patients initiating semaglutide (n = 30 911, median follow-up 625 days [IQR: 455-850]) versus dulaglutide (n = 32 844, median follow-up 639 days [IQR: 459-878]), the hazards for treatment of DME or PDR (HR: 0.88; 95% CI: 0.70-1.11), DME (HR: 0.89; 95% CI: 0.69-1.14), and PDR…
    2 context sentences
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  7. 07HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, liraglutide did not differ significantly from exenatide in composite DME or PDR treatment hazard (HR 1.08, 95% CI 0.83-1.38).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, liraglutide and exenatide did not differ significantly in eye-complication treatment hazard.

    Outcome
    No significant changeComposite treatment for diabetic macular edema or proliferative diabetic retinopathy
    Study

    n: not reported in source

    Comparator
    Exenatide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    1.08
    liraglutide versus exenatide
    95% CI
    0.83 to 1.38
    liraglutide versus exenatide

    Source sentences

    Summary
    liraglutide versus exenatide (HR: 1.08; 95% CI: 0.83-1.38)
    3 context sentences
    Summary · context
    no differences were found in the hazard (hazard ratio [HR]) of composite treatment for DME or PDR:
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  8. 08HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, liraglutide did not differ significantly from exenatide in DME treatment hazard (HR 1.06, 95% CI 0.80-1.40).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, liraglutide and exenatide did not differ significantly in diabetic macular edema treatment hazard.

    Outcome
    No significant changeTreatment for diabetic macular edema
    Study

    n: not reported in source

    Comparator
    Exenatide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    1.06
    liraglutide versus exenatide
    95% CI
    0.8 to 1.4
    liraglutide versus exenatide

    Source sentences

    Summary
    nor were differences found in any comparisons for treatment of DME (HR: 0.93 [95% CI: 0.74-1.18]; HR 0.99 [95% CI: 0.79-1.24]; HR: 1.06 [95% CI: 0.80-1.40])
    3 context sentences
    Summary · context
    exenatide versus dulaglutide (HR 0.90; 95% confidence interval (CI): 0.73-1.12), liraglutide versus dulaglutide (HR: 0.97; 95% CI: 0.79-1.19), or liraglutide versus exenatide (HR: 1.08; 95% CI: 0.83-1.38)
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  9. 09HumanObservational studySafety outcome

    In adults with type 2 diabetes at moderate cardiovascular risk, liraglutide did not differ significantly from exenatide in PDR treatment hazard (HR 0.91, 95% CI 0.58-1.40).

    In plain wordsIn adults with type 2 diabetes and moderate cardiovascular risk, liraglutide and exenatide did not differ significantly in proliferative retinopathy treatment hazard.

    Outcome
    No significant changeTreatment for proliferative diabetic retinopathy
    Study

    n: not reported in source

    Comparator
    Exenatide
    Analysis
    Primary
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    HR
    0.91
    liraglutide versus exenatide
    95% CI
    0.58 to 1.4
    liraglutide versus exenatide

    Source sentences

    Summary
    or PDR individually (HR: 1.16 [95% CI: 0.81-1.67]; HR: 1.05 [95% CI: 0.73-1.51]; HR: 0.91 [95% CI: 0.58-1.40).
    3 context sentences
    Summary · context
    exenatide versus dulaglutide (HR 0.90; 95% confidence interval (CI): 0.73-1.12), liraglutide versus dulaglutide (HR: 0.97; 95% CI: 0.79-1.19), or liraglutide versus exenatide (HR: 1.08; 95% CI: 0.83-1.38)
    Summary · context
    Retrospective observational study under the target trial emulation framework involving adult (≥21 years) enrollees in United States commercial, Medicare Advantage, and Medicare fee-for-service plans from January 1, 2014 to December 31, 2022.
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  10. 10HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and liraglutide had similar hazards of treatment for DME or PDR.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of treatment for sight-threatening retinopathy compared with liraglutide.

    Outcome
    No significant changeDME or PDR treatment
    Study

    n = 80,349

    Comparator
    Liraglutide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    Hazard ratio, composite DME or PDR treatment
    0.97 HR
    liraglutide versus dulaglutide
    95% CI of hazard ratio, composite DME or PDR treatment
    0.79 to 1.19 HR
    liraglutide versus dulaglutide

    Source sentences

    Summary
    liraglutide versus dulaglutide (HR: 0.97; 95% CI: 0.79-1.19)
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  11. 11HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and liraglutide had similar hazards of DME treatment.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of macular edema treatment compared with liraglutide.

    Outcome
    No significant changeDME treatment
    Study

    n = 80,349

    Comparator
    Liraglutide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    Hazard ratio, DME treatment
    0.99 HR
    liraglutide versus dulaglutide
    95% CI of hazard ratio, DME treatment
    0.79 to 1.24 HR
    liraglutide versus dulaglutide

    Source sentences

    Summary
    nor were differences found in any comparisons for treatment of DME (HR: 0.93 [95% CI: 0.74-1.18]; HR 0.99 [95% CI: 0.79-1.24]; HR: 1.06 [95% CI: 0.80-1.40])
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  12. 12HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and liraglutide had similar hazards of PDR treatment.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of proliferative retinopathy treatment compared with liraglutide.

    Outcome
    No significant changePDR treatment
    Study

    n = 80,349

    Comparator
    Liraglutide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    Hazard ratio, PDR treatment
    1.05 HR
    liraglutide versus dulaglutide
    95% CI of hazard ratio, PDR treatment
    0.73 to 1.51 HR
    liraglutide versus dulaglutide

    Source sentences

    Summary
    or PDR individually (HR: 1.16 [95% CI: 0.81-1.67]; HR: 1.05 [95% CI: 0.73-1.51]; HR: 0.91 [95% CI: 0.58-1.40).
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  13. 13HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and exenatide had similar hazards of treatment for DME or PDR.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of treatment for sight-threatening retinopathy compared with exenatide.

    Outcome
    No significant changeDME or PDR treatment
    Study

    n = 68,863

    Comparator
    Exenatide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    Hazard ratio, composite DME or PDR treatment
    0.9 HR
    exenatide versus dulaglutide
    95% CI of hazard ratio, composite DME or PDR treatment
    0.73 to 1.12 HR
    exenatide versus dulaglutide

    Source sentences

    Summary
    exenatide versus dulaglutide (HR 0.90; 95% confidence interval (CI): 0.73-1.12)
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  14. 14HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and exenatide had similar hazards of DME treatment.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of macular edema treatment compared with exenatide.

    Outcome
    No significant changeDME treatment
    Study

    n = 68,863

    Comparator
    Exenatide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    Hazard ratio, DME treatment
    0.93 HR
    exenatide versus dulaglutide
    95% CI of hazard ratio, DME treatment
    0.74 to 1.18 HR
    exenatide versus dulaglutide

    Source sentences

    Summary
    nor were differences found in any comparisons for treatment of DME (HR: 0.93 [95% CI: 0.74-1.18]; HR 0.99 [95% CI: 0.79-1.24]; HR: 1.06 [95% CI: 0.80-1.40])
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  15. 15HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and exenatide had similar hazards of PDR treatment.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of proliferative retinopathy treatment compared with exenatide.

    Outcome
    No significant changePDR treatment
    Study

    n = 68,863

    Comparator
    Exenatide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    Hazard ratio, PDR treatment
    1.16 HR
    exenatide versus dulaglutide
    95% CI of hazard ratio, PDR treatment
    0.81 to 1.67 HR
    exenatide versus dulaglutide

    Source sentences

    Summary
    or PDR individually (HR: 1.16 [95% CI: 0.81-1.67]; HR: 1.05 [95% CI: 0.73-1.51]; HR: 0.91 [95% CI: 0.58-1.40).
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  16. 16HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and semaglutide had similar hazards of treatment for DME or PDR.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of treatment for sight-threatening retinopathy compared with semaglutide.

    Outcome
    No significant changeDME or PDR treatment
    Study

    n = 63,755

    Comparator
    Semaglutide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    hazard ratio, DME or PDR treatment
    0.88 HR
    semaglutide versus dulaglutide
    95% CI of hazard ratio
    0.7 to 1.11 HR
    semaglutide versus dulaglutide

    Source sentences

    Summary
    the hazards for treatment of DME or PDR (HR: 0.88; 95% CI: 0.70-1.11), DME (HR: 0.89; 95% CI: 0.69-1.14), and PDR (HR: 0.70; 95% CI: 0.45-1.09) all found no difference between drugs.
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  17. 17HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and semaglutide had similar hazards of DME treatment.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of macular edema treatment compared with semaglutide.

    Outcome
    No significant changeDME treatment
    Study

    n = 63,755

    Comparator
    Semaglutide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    hazard ratio, DME treatment
    0.89 HR
    semaglutide versus dulaglutide
    95% CI of hazard ratio
    0.69 to 1.14 HR
    semaglutide versus dulaglutide

    Source sentences

    Summary
    the hazards for treatment of DME or PDR (HR: 0.88; 95% CI: 0.70-1.11), DME (HR: 0.89; 95% CI: 0.69-1.14), and PDR (HR: 0.70; 95% CI: 0.45-1.09) all found no difference between drugs.
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.
  18. 18HumanObservational studySafety outcome

    In adults with type 2 diabetes, dulaglutide and semaglutide had similar hazards of PDR treatment.

    In plain wordsIn adults with diabetes, dulaglutide was linked to similar risk of proliferative retinopathy treatment compared with semaglutide.

    Outcome
    No significant changePDR treatment
    Study

    n = 63,755

    Comparator
    Semaglutide
    Outcome group
    Adverse events · Eye
    Studied dose
    Dose not stated

    Measurements

    hazard ratio, PDR treatment
    0.7 HR
    semaglutide versus dulaglutide
    95% CI of hazard ratio
    0.45 to 1.09 HR
    semaglutide versus dulaglutide

    Source sentences

    Summary
    the hazards for treatment of DME or PDR (HR: 0.88; 95% CI: 0.70-1.11), DME (HR: 0.89; 95% CI: 0.69-1.14), and PDR (HR: 0.70; 95% CI: 0.45-1.09) all found no difference between drugs.
    1 context sentence
    Summary · context
    The study population included adults with type 2 diabetes, moderate cardiovascular disease risk, no baseline advanced diabetic retinopathy, and minimum 1 year enrollment before GLP-1 RA treatment.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Versions 6 to 11Current

    28 Oct 2026, 02:03 UTC

    The same notice was added 6 times, first on 22 Oct 2026, 02:26 UTC. The status did not change between them.

    Study results updated

  2. Versions 4 to 5

    21 Oct 2026, 18:59 UTC

    The same notice was added 2 times, first on 21 Oct 2026, 18:59 UTC. The status did not change between them.

    Study data updated · source update from Europe PMC

  3. Version 3

    12 Oct 2026, 11:11 UTC

    Study results updated

  4. Version 2

    9 Oct 2026, 03:06 UTC

    Study data updated · source update from Europe PMC

  5. Version 1

    9 Oct 2026, 03:04 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.