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A Study of EDP-938 in Non-hospitalized Adults With RSV Who Are at High Risk for Complications.

Phase 2
Completed
Conditions
RSV Infection
Interventions
Drug: Placebo
Registration Number
NCT05568706
Lead Sponsor
Enanta Pharmaceuticals, Inc
Brief Summary

This is a Phase 2b, randomized, double-blind, placebo-controlled study of EDP-938 administered orally for the treatment of non-hospitalized adult subjects with confirmed RSV infection who are at high risk for complications after RSV infection.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
186
Inclusion Criteria
  • At least one of the following conditions that predispose them to complications after RSV infection:

    1. Age ≥65 years
    2. Congestive heart failure (CHF)
    3. Asthma
    4. Chronic obstructive pulmonary disease (COPD)
  • The subject has a new onset of any of the following symptom(s) or worsening of pre-existing symptom(s) consistent with a respiratory tract infection no more than 72 hours prior to the administration of the first dose of study drug: feeling feverish, headache, neck pain, fatigue, loss of appetite, interrupted sleep, body aches, sore throat, nasal congestion, cough, cough with phlegm, wheezing, or short of breath.

  • The subject reports at least 2 of the following symptoms, one of which must be reported as at least 'moderate' severity: cough, cough with phlegm, wheezing, or short of breath

  • The subject has tested positive for RSV infection using a NAAT (polymerase chain reaction [PCR] or other) on a nasal/nasopharyngeal swab sample.

  • A woman of childbearing potential who is sexually active with a male must agree to use two effective methods of contraception from the date of Screening until 30 days after her last dose of study drug.

  • A male subject who has not had a vasectomy and is sexually active with a woman of childbearing potential must agree to use effective contraception from the date of Screening to 90 days after his last dose of study drug.

Exclusion Criteria
  • The subject has an anticipated need for hospitalization within 24 hours of signing the Study ICF
  • The subject receives systemic antiviral, antibacterial, antifungal, or antimycobacterial therapy within 7 days prior to signing the Study ICF
  • The subject has concomitant respiratory infections that are viral (other than RSV but including influenza), bacterial, or fungal, including systemic bacterial or fungal infections, within 7 days prior to signing the Study ICF
  • The subject has a SARS-CoV-2 test result that is positive within 28 days prior to signing the Study ICF
  • The subject has COPD with spirometry results (obtained within 1 year prior to signing the Study ICF) FEV1 ≤35%
  • The subject has a known positive human immunodeficiency virus infection, active hepatitis A virus infection, chronic hepatitis B virus infection, and/or current hepatitis C virus (HCV) infection; subjects with a history of HCV infection who have achieved a documented sustained virologic response 12 weeks after completion of HCV therapy may be enrolled.
  • The subject has any of the following cardiac conditions: any congenital heart disease, congenital long QT syndrome, or any clinical manifestation resulting in QT interval prolongation
  • The subject has immunocompromised status
  • The subject is living in institutional care or assisted living facility and is also receiving acute care management for any respiratory condition; Note: Independent living apartments are not considered institutional care or assisted living facility

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboMatching placebo, once daily
EDP-938EDP-938EDP-938 800 mg, once daily
Primary Outcome Measures
NameTimeMethod
Time to resolution of RSV Lower Respiratory Tract Disease (LRTD) symptomsDay 1 through Day 33
Secondary Outcome Measures
NameTimeMethod
Time to resolution of Upper Respiratory Tract Disease congestion), LRTD, and 2 systemic symptomsDay 1 through Day 33
Change from Baseline in severity of RSV LRTD symptomsDay 1 through Day 33
Time to return to usual healthDay 1 through Day 33
Time to resolution of all RSV symptomsDay 1 through Day 33
Change from Baseline for impact scaleDay 1 through Day 33
Change from Baseline for Health-Related Quality of LifeDay 1 through Day 33
Percentage of subjects requiring hospitalization for RSV or other causes;Day 1 through Day 33
All-cause mortalityDay 1 through Day 33
Change in infectious RSV viral load over timeUp to Day 14
Time to no or mild impact of RSV disease on daily activities, emotions, and social relationshipsDay 1 through Day 33
Percentage of participants with post-baseline RSV-related complicationsDay 1 through Day 33
Time to improvement in RSV diseaseDay 1 through Day 33
Safety as measured by frequency of adverse events (AEs)Up to Day 33
Time to return to usual activitiesDay 1 through Day 33
Duration of hospitalization for RSV or other causesDay 1 through Day 33
RSV RNA viral load change from BaselineDays 3, 5, 9, and 14
Plasma PK Concentrations of EDP-938Up to Day 5
Time to resolution of LRTD symptoms and 2 systemic symptomsDay 1 through Day 33

Trial Locations

Locations (84)

Voyage Medical

🇺🇸

Tempe, Arizona, United States

UCSF Fresno

🇺🇸

Fresno, California, United States

Torrance Clinical Research Institute

🇺🇸

Lomita, California, United States

Downtown LA Research Center Inc - ClinEdge - PPDS

🇺🇸

Los Angeles, California, United States

Allianz Research Institute Inc

🇺🇸

Westminster, California, United States

Allianz Research Institute - Colorado

🇺🇸

Aurora, Colorado, United States

Bay Pines VA Healthcare System

🇺🇸

Bay Pines, Florida, United States

C&A Clinical Trials Corp

🇺🇸

Cape Coral, Florida, United States

Beautiful Minds Clinical Research Center

🇺🇸

Cutler Bay, Florida, United States

Dinamo Research & Diagnostic center, LLC

🇺🇸

Hialeah, Florida, United States

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Voyage Medical
🇺🇸Tempe, Arizona, United States

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