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Completed Phase 2 Interventional Results available

GB001 in Adult Participants With Chronic Rhinosinusitis

ClinicalTrials.gov ID: NCT03956862

Public ClinicalTrials.gov record NCT03956862. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 25, 2026, 7:54 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2a, Randomized, Double-Blind, Placebo-Controlled, Multi-Center Study to Evaluate the Effect of GB001 in Patients With Chronic Rhinosinusitis With or Without Nasal Polyps

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

A Phase 2a, randomized, double-blind, placebo-controlled, multi-center study to evaluate the efficacy, safety, pharmacokinetics (PK), and pharmacodynamics (PD) of GB001 compared with placebo over 16 weeks of treatment in patients with chronic rhinosinusitis with or without nasal polyposis (NP).

Study identification

NCT ID
NCT03956862
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
97 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 15, 2019
Primary completion
Jul 8, 2020
Completion
Aug 4, 2020
Last update posted
Aug 22, 2021

2019 – 2020

United States locations

U.S. sites
29
U.S. states
19
U.S. cities
27
Facility City State ZIP Site status
Banner University of Arizona Medical Center Tucson Arizona 85724 —
NEA Baptist Clinic Jonesboro Arkansas 72401 —
Cedars-Sinai Medical Center Los Angeles California 90048 —
Sacramento Ear Nose and Throat Surgical and Medical Group, Inc. Roseville California 95661 —
Bensch Clinical Research LLC Stockton California 95207 —
Yale School of Medicine New Haven Connecticut 06519 —
Emory University Atlanta Georgia 30322 —
Rush University Medical Center Chicago Illinois 60612 —
ChicagoENT Chicago Illinois 60657 —
Iowa Head & Neck, PC Des Moines Iowa 50312 —
Kentuckiana Ear, Nose, and Throat Louisville Kentucky 40205 —
Advanced ENT and Allergy Louisville Kentucky 40207 —
Tandem Clinical Research LLC Marrero Louisiana 70072 —
Chesapeake Clinical Research, Inc. White Marsh Maryland 21162 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
Nebraska Medical Research Institute, Inc. Bellevue Nebraska 68123 —
BreatheAmerica Albuquerque Albuquerque New Mexico 87109 —
Northwell Health at ENT and Allergy Associates New Hyde Park New York 11042 —
Northwell Health at ENT and Allergy Associates New York New York 10016 —
University of Rochester Medicine Otolaryngology Rochester New York 14618 —
Northwell Health at ENT and Allergy Associates White Plains New York 10605 —
Vital Prospects Clinical Research Institute, P.C. Tulsa Oklahoma 74136 —
Specialty Physician Associates Bethlehem Pennsylvania 18017 —
Thomas Jefferson University Department of Otolaryngology Philadelphia Pennsylvania 19107 —
Medical University of South Carolina, Department of Otolaryngology Charleston South Carolina 29425 —
AARA Research Center Dallas Texas 75231 —
Memorial Hermann Medical Plaza Houston Texas 77030 —
Eastern Virginia Medical School Norfolk Virginia 23507 —
Advanced Otolaryngology, P.C. DBA Richmond Ear, Nose and Throat Richmond Virginia 23235 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 9 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03956862, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 22, 2021 · Synced Sep 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03956862 live on ClinicalTrials.gov.

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