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Verekitug for Nasal Polyps (VIBRANT Trial)

Verified Trial
Phase 2
Recruiting
Research Sponsored by Upstream Bio Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Severity consistent with need for surgery as defined by an endoscopic bilateral NPS of at least 5 out of 8 and a minimum score of 2 in each nasal cavity at Visit 1 based on central reading, as well as reconfirmed at Visit 2 based on local reading.
A medical contraindication/intolerance to systemic corticosteroid.
Timeline
Screening 3 weeks
Treatment Varies
Follow Up from baseline up to week 28

Summary

This trial tests a new injectable medication, verekitug (UPB-101), for people with chronic rhinosinusitis and nasal polyps who are already using nasal sprays. The goal is to see if it can shrink the polyps and improve symptoms.

Who is the study for?
This trial is for adults aged 18-75 with chronic rhinosinusitis and nasal polyps who need surgery, have ongoing symptoms like runny nose or loss of smell, and have had a past flare-up treated with steroids. They must not be able to use systemic corticosteroids, agree to the study's consent form, and have been on stable treatment for at least 30 days.
What is being tested?
The trial tests Verekitug (UPB-101) against a placebo to see if it can reduce the size of nasal polyps in patients with chronic sinus issues. Participants will receive either the actual drug or a placebo without knowing which one they are getting.
What are the potential side effects?
While specific side effects of Verekitug (UPB-101) aren't listed here, common ones may include irritation at the application site, headache, nosebleeds, or an allergic reaction. Safety and tolerability compared to a placebo are key parts of this study.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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My nasal problem is severe enough to need surgery, confirmed by two tests.
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I cannot take systemic corticosteroids due to a medical reason or intolerance.
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I have been using a nasal spray similar to mometasone for at least 21 days.
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I am between 18 and 75 years old.
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I've needed steroids for nasal polyps in the last 2 years.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~from baseline up to week 28
This trial's timeline: 3 weeks for screening, Varies for treatment, and from baseline up to week 28 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Change From Baseline in Nasal Polyp Score (NPS) at Week 24
Secondary study objectives
Change From Baseline in Mean Difficulty With Sense of Smell (DSS) Evaluated by the NPSD at Week 24
Change From Baseline in NPSD - Total Symptom Score (TSS) at Week 24
Change From Baseline in Opacification of Sinuses Measured by Lund Mackay Score (LMK) at Week 24
+4 more

Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: Verekitug (UPB-101)Experimental Treatment1 Intervention
Participants will be administered 0.5 milliliter (mL) of verekitug (UPB-101) formulated solution (containing 100 milligrams \[mg\] of verekitug \[UPB-101\]) subcutaneously, every 12 weeks for 24 weeks.
Group II: Matching placeboPlacebo Group1 Intervention
Participants will be administered verekitug (UPB-101) matching placebo solution, subcutaneously, every 12 weeks for 24 weeks.

Research Highlights

Information in this section is not a recommendation. We encourage patients to speak with their healthcare team when evaluating any treatment decision.
Mechanism Of Action
Side Effect Profile
Prior Approvals
Other Research
The most common treatments for Chronic Rhinosinusitis (CRS) include anti-inflammatory and immunomodulatory agents such as corticosteroids and biologics. These treatments work by reducing inflammation and modulating the immune response, which helps to decrease the size and extent of nasal polyps, alleviate symptoms, and improve sinus drainage. For CRS patients, managing inflammation is crucial as it directly addresses the underlying cause of their symptoms, leading to better disease control and improved quality of life. Verekitug (UPB-101), an investigational drug, is being studied for its potential to provide similar benefits by targeting inflammatory pathways.

Find a Location

Who is running the clinical trial?

Upstream Bio Inc.Lead Sponsor
3 Previous Clinical Trials
500 Total Patients Enrolled
Kiran Patel, MDStudy DirectorUpstream Bio
~32 spots leftby Nov 2025