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A Clinical Trial to Evaluate the Safety and Efficacy in Subjects With Chronic Cough

Phase 2
Completed
Conditions
Chronic Cough
Interventions
Drug: Placebo
Registration Number
NCT05392192
Lead Sponsor
Aldeyra Therapeutics, Inc.
Brief Summary

A Randomized, Double-Blind, Placebo-Controlled, Two-Period Crossover, Phase 2 Clinical Trial to Evaluate the Safety, Tolerability, and Efficacy of ADX-629 Administered Orally to Subjects with Chronic Cough

Detailed Description

A Phase 2, multicenter, randomized, double-blind, placebo controlled, two-period crossover trial to evaluate the safety, tolerability, and efficacy of ADX-629 (300 mg) administered orally, twice-a-day to eligible participants with refractory or unexplained chronic cough. Patients who are interested in participating will be provided detailed information about the study including description of study assessments/procedures, possible side-effects, alternative treatments, and potential benefits.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
51
Inclusion Criteria
  • Adults ≥18 to ≤80 years of age
  • History of refractory or unexplained chronic cough
  • Historical Chest radiograph or CT scan that does not demonstrate any abnormality considered to be significantly contributing to chronic cough
  • Not pregnant, breastfeeding, or lactating and agree to use a highly effective method of acceptable contraceptive for the trial duration, if applicable
  • Agree to discontinue antitussive medications for the trial duration
Exclusion Criteria
  • Current smoker (including cannabis products) or previous smoker having recently given up smoking or has a history of smoking of >20 pack-years
  • History of significant cardiovascular disease or any clinically significant abnormalities in rhythm or conduction
  • History or presence of significant hepatic disease or any other condition known to interfere with absorption, distribution, metabolism, or excretion of drugs.
  • History of any malignancy within 5 years of screening except for basal cell or squamous cell in situ skin carcinomas or carcinoma in situ of the cervix that has been treated with no evidence of recurrence.
  • Recent history of drug or alcohol abuse or a positive urine drug test at screening
  • Positive serology test for Hepatitis B virus (HBV), Hepatitis C virus (HCV), or HIV-1 and HIV-2
  • Currently taking an angiotensin converting enzyme inhibitor (ACEI) or has used an ACEI within 3 months of Screening.

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
ADX-629ADX-629Subjects will be randomized to receive ADX-629 300mg tablets administered orally twice a day for 14 days.
PlaceboPlaceboSubjects will be randomized to receive matching placebo tablets administered orally twice a day for 14 days.
Primary Outcome Measures
NameTimeMethod
Number of Subjects With Serious Adverse EventsThe safety assessment period was Day 1 - Day 14 for each treatment period.

Safety was assessed through serious adverse event collection.

Secondary Outcome Measures
NameTimeMethod
Change From Baseline in Awake Cough Frequency Per Hour With Prior Treatment as a FactorThe efficacy assessment period was Day 14 for each treatment period. Baseline was Day 1 prior to dosing for each treatment period.

Change from baseline in cough count was assessed while subjects were awake using a cough monitor with a digital recording device. The number of coughs is proportional to disease severity. Estimates were obtained using mixed model repeated measures (MMRM) analysis with treatment and prior treatment (none for Period 1; Period 1 treatment for Period 2) as fixed effects, and period-specific baseline as a covariate.

Change From Baseline in 24-hour Cough Frequency Per Hour With Prior Treatment as a FactorThe efficacy assessment period was Day 14 for each treatment period. Baseline was Day 1 prior to dosing for each treatment period.

Change from baseline in cough count was assessed for twenty-four hours using a cough monitor with a digital recording device. Number of coughs is associated with disease severity. Estimates were obtained using MMRM analysis with treatment and prior treatment (none for Period 1; Period 1 treatment for Period 2) as fixed effects, and period-specific baseline as a covariate.

Change From Baseline in Awake Cough Frequency Per Hour for Period 1The efficacy assessment period was Day 14. Baseline was Day 1 for Period 1.

Change from baseline in cough count in Period 1 was assessed while subjects were awake using a cough monitor with a digital recording device. The number of coughs is proportional to disease severity. Estimates were obtained using MMRM analysis with treatment as fixed effect, and Period 1-specific baseline as a covariate.

Change From Baseline in 24-hour Cough Frequency Per Hour for Period 1The efficacy assessment period was Day 14. Baseline was Day 1 for Period 1.

Change from baseline in cough count in Period 1 was assessed for twenty-four hours using a cough monitor with a digital recording device. The number of coughs is proportional to disease severity. Estimates were obtained using MMRM analysis with treatment as fixed effect, and Period 1-specific baseline as a covariate.

Trial Locations

Locations (14)

Mount Sinai

🇺🇸

New York, New York, United States

Cano Research - Hollywood

🇺🇸

Hollywood, Florida, United States

ClinCept

🇺🇸

Columbus, Georgia, United States

Vital Prospects Clinical Research

🇺🇸

Tulsa, Oklahoma, United States

Clinical Research of Rock Hill

🇺🇸

Rock Hill, South Carolina, United States

Charlotte Lung & Health/American Health Research

🇺🇸

Charlotte, North Carolina, United States

Florida Pulmonary Research Institute LLC

🇺🇸

Winter Park, Florida, United States

Allergy & Asthma Associates of Santa Clara Valley Research Center

🇺🇸

San Jose, California, United States

Advanced Pulmonary Research Institute

🇺🇸

Loxahatchee Groves, Florida, United States

Allergy Associates Medical Group, Inc.

🇺🇸

San Diego, California, United States

Mayo Clinic Pulmonary Clinic Research Unit

🇺🇸

Rochester, Minnesota, United States

Bernstein Clinical Research Center, LLC

🇺🇸

Cincinnati, Ohio, United States

Northwest Research Center

🇺🇸

Portland, Oregon, United States

Pharmaceutical Research and Consulting Inc.

🇺🇸

Dallas, Texas, United States

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