Brolucizumab in the Treatment of Proliferative Diabetic Retinopathy: The CONDOR Randomized Clinical Trial - Report - MDSpire

Brolucizumab in the Treatment of Proliferative Diabetic Retinopathy: The CONDOR Randomized Clinical Trial

  • By

  • Sebastian Wolf

  • Youxin Chen

  • Xiaorong Li

  • Masahiko Shimura

  • Taiji Sakamoto

  • Charles C. Wykoff

  • Andres Emanuelli

  • Hani Salehi-Had

  • Kang Yan

  • Lidija Kovacic

  • Yongsoo Kim

  • June 1, 2026

  • 0 min

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Clinical Report: Efficacy of Brolucizumab for Proliferative Diabetic Retinopathy

Overview

The CONDOR trial evaluated the efficacy and safety of brolucizumab versus panretinal photocoagulation (PRP) in patients with proliferative diabetic retinopathy (PDR). The study was a phase 3, multicenter, randomized clinical trial conducted over 54 weeks, involving 689 participants.

Background

Diabetic retinopathy is a significant cause of preventable blindness, affecting a substantial portion of the diabetic population. Traditional treatment with PRP has known complications, prompting interest in alternative therapies such as anti-VEGF agents. Brolucizumab is an anti-VEGF agent with a low molecular weight, allowing for a greater volume of drug delivery.

Data Highlights

StudyParticipantsInterventionDurationPrimary Endpoint
CONDOR689Brolucizumab vs PRP54 weeksNoninferiority

Key Findings

  • Brolucizumab demonstrated noninferiority to PRP in treating PDR at 54 weeks.
  • The trial included treatment-naïve patients without prior PRP treatment.
  • Brolucizumab allows for a greater volume of drug delivery due to its low molecular weight.
  • CONDOR was conducted across 16 countries, enhancing the diversity of the study population.

Clinical Implications

Clinicians should consider the findings from the CONDOR trial when evaluating treatment options for PDR.

Conclusion

The CONDOR trial provides insights into the efficacy of brolucizumab for PDR.

Related Resources & Content

  1. The ophthalmologist, Anti-VEGF Gains Ground in PDR, 2026 -- Anti-VEGF Gains Ground in PDR
  2. Retinal Physician, Brolucizumab Is Reliable for 12-Week Dosing, 2018 -- Brolucizumab Is Reliable for 12-Week Dosing
  3. Retinal Physician, Clinical Trials Provide Rationale for Use of Anti-VEGF Treatment Earlier in Diabetic Retinopathy, 2019 -- Clinical Trials Provide Rationale for Use of Anti-VEGF Treatment Earlier in Diabetic Retinopathy
  4. Retinal Physician, Brolucizumab Gets FDA Approval for Wet AMD, 2019 -- Brolucizumab Gets FDA Approval for Wet AMD
  5. Standards of Care in Diabetes—2026, 2026 -- Retinopathy, Neuropathy, and Foot Care: Standards of Care in Diabetes—2026
  6. PMC, Panretinal Photocoagulation vs Intravitreous Ranibizumab for Proliferative Diabetic Retinopathy: A Randomized Clinical Trial, -- Panretinal Photocoagulation vs Intravitreous Ranibizumab for Proliferative Diabetic Retinopathy: A Randomized Clinical Trial
  7. NCBI Bookshelf, Anti-VEGF drugs compared with laser photocoagulation for the treatment of diabetic retinopathy: a systematic review and meta-analysis -- Anti-VEGF drugs compared with laser photocoagulation for the treatment of diabetic retinopathy: a systematic review and meta-analysis
  8. 12. Retinopathy, Neuropathy, and Foot Care: Standards of Care in Diabetes—2026
  9. Panretinal Photocoagulation vs Intravitreous Ranibizumab for Proliferative Diabetic Retinopathy: A Randomized Clinical Trial - PMC
  10. Anti-VEGF drugs compared with laser photocoagulation for the treatment of diabetic retinopathy: a systematic review and meta-analysis - NCBI Bookshelf

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