Brolucizumab vs Laser Therapy for Diabetic Retinopathy

(CONDOR Trial)

No longer recruiting at 208 trial locations
NP
Overseen ByNovartis Pharmaceuticals
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Pivotal Trial (Near Approval)This treatment is in the last trial phase before FDA approval
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests two treatments for people with proliferative diabetic retinopathy (PDR), a serious eye condition that can lead to vision loss in those with diabetes. The goal is to determine if brolucizumab, a medication given by injection, is as effective as the standard laser treatment (panretinal photocoagulation laser) in improving vision. Participants should have type 1 or 2 diabetes, a stable diabetes treatment plan for at least three months, and a PDR diagnosis without previous laser treatment in the study eye. As a Phase 3 trial, this study represents the final step before FDA approval, offering participants a chance to contribute to a potentially groundbreaking treatment.

Will I have to stop taking my current medications?

The trial does not specify if you need to stop taking your current medications. However, your diabetes treatment must be stable for at least 3 months, and you cannot have had certain eye treatments recently.

Is there any evidence suggesting that this trial's treatments are likely to be safe?

Research has shown that brolucizumab is generally safe for people with diabetes. In one study, most participants experienced few side effects, though some groups reported more common side effects. Another study found that about 3.4% of eyes treated with brolucizumab developed issues such as eye inflammation or vision problems. Despite these risks, many individuals tolerate the treatment well, and it is already approved for other eye conditions, indicating a known safety record. It is important to consult a healthcare provider about potential risks before joining a trial.12345

Why do researchers think this study treatment might be promising?

Brolucizumab is unique because it offers a targeted approach for diabetic retinopathy by inhibiting a protein called VEGF, which plays a key role in abnormal blood vessel growth and leakage in the retina. Unlike the standard of care, which often involves laser therapy to physically seal off leaking blood vessels, Brolucizumab works at the molecular level to prevent these issues from developing in the first place. Researchers are excited because this method could not only reduce the number of treatments needed but also improve vision outcomes for patients by directly addressing the underlying cause of the condition.

What evidence suggests that this trial's treatments could be effective for proliferative diabetic retinopathy?

This trial will compare Brolucizumab with Panretinal photocoagulation laser therapy for diabetic retinopathy. Studies have shown that Brolucizumab can significantly improve vision clarity in patients with diabetic eye problems. Research indicates that it reduces fluid in the retina, crucial for eye health, and proves more effective than some treatments, like aflibercept, in keeping eyes dry. Brolucizumab significantly decreases the thickness of the central retina, often linked to better vision. While commonly used for diabetic macular edema (swelling in the eye), its ability to reduce eye fluid could also benefit those with proliferative diabetic retinopathy. Overall, available evidence supports its potential effectiveness in maintaining or improving vision in patients with diabetic eye conditions.45678

Who Is on the Research Team?

NP

Novartis Pharmaceuticals

Principal Investigator

Novartis Pharmaceuticals

Are You a Good Fit for This Trial?

This trial is for individuals with type 1 or 2 diabetes, an HbA1c of ≤12%, and diagnosed proliferative diabetic retinopathy (PDR) without prior laser treatment in the affected eye. Participants must have stable diabetes management for at least three months and be able to undergo retinal imaging.

Inclusion Criteria

I have PDR and haven't had PRP treatment in the affected eye.
My diabetes treatment has been the same for the last 3 months.
You can take clear pictures of the inside of your eye.
See 2 more

Exclusion Criteria

My eye pressure is not higher than 25 mmHg.
I have an active infection or inflammation in my eye.
I need dialysis or have had a kidney transplant due to end-stage kidney disease.
See 6 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants receive either Brolucizumab 6 mg injections or Panretinal Photocoagulation (PRP) laser treatment

96 weeks
Visits every 6 weeks

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • Brolucizumab
  • Panretinal photocoagulation laser
Trial Overview The study compares the effectiveness and safety of a medication called Brolucizumab against traditional laser therapy (PRP) in treating PDR. The main goal is to see if Brolucizumab can match PRP's ability to maintain or improve vision after one year.
How Is the Trial Designed?
2Treatment groups
Experimental Treatment
Active Control
Group I: Brolucizumab 6 mgExperimental Treatment1 Intervention
Group II: Panretinal photocoagulation laser ArmActive Control1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Novartis Pharmaceuticals

Lead Sponsor

Trials
2,963
Recruited
4,275,000+
Founded
1996
Headquarters
Basel, Switzerland
Known For
Precision medicine
Top Products
Gleevec, Cosentyx, Entresto, Kisqali
Dr. Vas Narasimhan profile image

Dr. Vas Narasimhan

Novartis Pharmaceuticals

Chief Executive Officer since 2018

MD from Harvard Medical School

Dr. Shreeram Aradhye profile image

Dr. Shreeram Aradhye

Novartis Pharmaceuticals

Chief Medical Officer since 2021

MD

Published Research Related to This Trial

In a study of 77 patients receiving brolucizumab injections for neovascular age-related macular degeneration, the incidence of ocular adverse effects was found to be 3.5%, with intraocular inflammation occurring in 2.6% of cases.
The findings highlight the potential for serious ocular complications, such as central retinal artery occlusion and retinal detachment, emphasizing the need for thorough discussions about the risks and benefits of brolucizumab treatment with patients.
Ocular adverse events following intravitreal brolucizumab for neovascular age-related macular degeneration at a single tertiary care center.Nguyen, HV., Li, AS., Silva, AR., et al.[2023]

Citations

Real world outcomes of intravitreal brolucizumab for persistent ...Intravitreal brolucizumab helped improve visual acuity in patients with P-DME and achieved a reduction of 54.1% in the CRT at a longer mean ...
2.pubmed.ncbi.nlm.nih.govpubmed.ncbi.nlm.nih.gov/37971723/
Efficacy and Safety of Brolucizumab for Diabetic Macular ...Brolucizumab was superior to aflibercept for the proportion of eyes without subretinal and intraretinal fluid (brolucizumab, 144 of 346 [41.6%]; ...
Efficacy & safety of brolucizumab 6.0 mg versus 3.6 mg in ...The results from this study thus show that the 3.6 mg dosage is similar in efficacy to 6.0 mg Brolucizumab in the treatment of Diabetic Macular ...
Brolucizumab for Diabetic Macular Edema in Participants ...The results from post-hoc analysis of KINGFISHER study demonstrate the effectiveness of brolucizumab 6 mg compared to aflibercept 2 mg ...
Brolucizumab Versus Aflibercept for DME: One-Year RCT ...The main efficacy measure was the change in BCVA from baseline to week 52. Secondary end points included safety, fluid-free macula, improvement ...
6.pubmed.ncbi.nlm.nih.govpubmed.ncbi.nlm.nih.gov/37849309/
Safety and Efficacy of Brolucizumab in the Treatment ...Brolucizumab was reported to be relatively safe for use in diabetic patients, with few adverse events observed, with a higher frequency of adverse events in ...
Efficacy and Safety of Brolucizumab for Diabetic Macular ...This randomized clinical trial evaluates the efficacy and safety of brolucizumab vs aflibercept dosed every 4 weeks in participants with ...
8.pubmed.ncbi.nlm.nih.govpubmed.ncbi.nlm.nih.gov/38520643/
Real-World Safety Outcomes with Brolucizumab in ...Conclusion: In this large real-world brolucizumab safety study, 3.4% of eyes experienced an IOI, RV, and/or RO event. Among eyes that experienced an adverse ...
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