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

NCT ID: NCT05568706

Last Updated: 2025-07-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

186 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-11-29

Study Completion Date

2025-06-23

Brief Summary

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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

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Conditions

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RSV Infection

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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EDP-938

EDP-938 800 mg, once daily

Group Type EXPERIMENTAL

EDP-938

Intervention Type DRUG

Subjects will take EDP-938 once daily for 5 days

Placebo

Matching placebo, once daily

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Subjects will take matching placebo, once daily for 5 days

Interventions

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EDP-938

Subjects will take EDP-938 once daily for 5 days

Intervention Type DRUG

Placebo

Subjects will take matching placebo, once daily for 5 days

Intervention Type DRUG

Eligibility Criteria

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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
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Enanta Pharmaceuticals, Inc

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Enanta Pharmaceuticals, Inc

Role: STUDY_DIRECTOR

Enanta Pharmaceuticals, Inc

Locations

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Voyage Medical

Tempe, Arizona, United States

Site Status

UCSF Fresno

Fresno, California, United States

Site Status

Torrance Clinical Research Institute

Lomita, California, United States

Site Status

Downtown LA Research Center Inc - ClinEdge - PPDS

Los Angeles, California, United States

Site Status

Allianz Research Institute Inc

Westminster, California, United States

Site Status

Allianz Research Institute - Colorado

Aurora, Colorado, United States

Site Status

Bay Pines VA Healthcare System

Bay Pines, Florida, United States

Site Status

C&A Clinical Trials Corp

Cape Coral, Florida, United States

Site Status

Beautiful Minds Clinical Research Center

Cutler Bay, Florida, United States

Site Status

Dinamo Research & Diagnostic center, LLC

Hialeah, Florida, United States

Site Status

I.H.S Health LLC

Kissimmee, Florida, United States

Site Status

Dynamic Medical Research, LLC

Miami, Florida, United States

Site Status

Floridian Research Institute

Miami, Florida, United States

Site Status

Orlando VA Healthcare System

Orlando, Florida, United States

Site Status

Ormond Beach Clinical Research

Ormond Beach, Florida, United States

Site Status

CDC Research Institute, LLC

Port Saint Lucie, Florida, United States

Site Status

Research Bay, Inc.

Tampa, Florida, United States

Site Status

Santos Research Center

Tampa, Florida, United States

Site Status

Covenant Pulmonary Criticial Care and Research Ins

East Point, Georgia, United States

Site Status

Snake River Research

Idaho Falls, Idaho, United States

Site Status

University of Louisville

Louisville, Kentucky, United States

Site Status

Mercury Street Medical

Butte, Montana, United States

Site Status

Global Health Institute

Syracuse, New York, United States

Site Status

Progressive Medicine of the Triad, LLC

Winston-Salem, North Carolina, United States

Site Status

Toledo Institute of Clinical Research

Toledo, Ohio, United States

Site Status

IMA Clinical Research - Austin - PPDS

Austin, Texas, United States

Site Status

Valley Institute of Research

Fort Worth, Texas, United States

Site Status

HDH Research, Inc.

Houston, Texas, United States

Site Status

Metroplex Pulmonary and Sleep Medicine Center-4833 Medical Center Dr Unit 6B

McKinney, Texas, United States

Site Status

SMS Clinical Research, LLC

Mesquite, Texas, United States

Site Status

Eastside Research Associates

Redmond, Washington, United States

Site Status

Instituto Medico Platense

La Plata, Buenos Aires, Argentina

Site Status

Centro de Investigaciones Medica Mar del Plata

Mar del Plata, Buenos Aires, Argentina

Site Status

Clinica Privada Independencia

Munro, Buenos Aires, Argentina

Site Status

Consultorios Médicos Dr. Doreski

Buenos Aires, Ciudad Autónoma de BuenosAires, Argentina

Site Status

Instituto Médico Río Cuarto

Río Cuarto, Córdoba Province, Argentina

Site Status

Instituto Del Buen Aire

Santa Fe, Santa Fe Province, Argentina

Site Status

Clinica Mayo de U.M.C.B. S.R.L

San Miguel de Tucumán, Tucumán Province, Argentina

Site Status

Multiprofile Hospital for Active Treatment Puls AD - PPDS

Blagoevgrad, Blagoevgrad, Bulgaria

Site Status

Medical Center For Life EOOD

Burgas, Burgas, Bulgaria

Site Status

Diagnostic Consultative Center-1-Sevlievo EOOD

Sevlievo, Gabrovo, Bulgaria

Site Status

Medical Center Zdrave-1 OOD

Kozloduy, Kozloduy, Bulgaria

Site Status

Medical Center Hera - Kyustendil EOOD

Kyustendil, Kyustendil, Bulgaria

Site Status

Specialized Hospital for Active Treatment of Pulmonary Diseases

Troyan Municipality, Lovech, Bulgaria

Site Status

Diagnostic Consultative Center 1- Lom EOOD

Lom, Montana, Bulgaria

Site Status

Medical Center Hera EOOD, Montana

Montana, Montana, Bulgaria

Site Status

Specialized Hospital for Active Treatment of Pulmonary Diseases- Pernik EOOD

Pernik, Pernik, Bulgaria

Site Status

Medical Center Prolet EOOD

Rousse, Ruse, Bulgaria

Site Status

Medical Center Hipocrena

Sevlievo, Sevlievo, Bulgaria

Site Status

Medical Center Hera EOOD

Sofia, Sofia, Bulgaria

Site Status

University Multiprofile Hospital for Active Treatment Sofiamed OOD

Sofia, Sofia, Bulgaria

Site Status

Medical Center Sanador M EOOD

Sofia, Sofia-Grad, Bulgaria

Site Status

Medical Centre Pratia Clinic EOOD Varna

Varna, Varna, Bulgaria

Site Status

Medical Center Tara OOD

Veliko Tarnovo, Veliko Tarnovo, Bulgaria

Site Status

Specialized Hospital for Active Treatment of Pneumophthisiatric Diseases - Haskovo EOOD

Haskovo, , Bulgaria

Site Status

Medical Center Neuromedix EOOD

Veliko Tarnovo, , Bulgaria

Site Status

Servicios de Salud IPS Suramericana S.A.S. - IPS Sura Industriales Medellin

Medellín, Antioquia, Colombia

Site Status

Clinica de la Costa Ltda - PPDS

Barranquilla, Atlántico, Colombia

Site Status

Clínica Universidad De la Sabana

Chía, Cundinamarca, Colombia

Site Status

Fundacion Centro de Investigaciones Clinicas IPS Cardiomet Pereira

Pereira, Risaralda Department, Colombia

Site Status

Oinsamed S.A.S - Clinica Misericordia

Barranquilla, , Colombia

Site Status

Fundacion Centro de Investigacion Clinica CIC

Medellín, , Colombia

Site Status

MUDr. Jakub Strincl, s.r.o.

Liberec, Liberecký kraj, Czechia

Site Status

Res Medica s.r.o.

Nový Knín, , Czechia

Site Status

Hospital Miri

Miri, Sarawak, Malaysia

Site Status

Instituto Jalisciense de Investigacion Clinica SA de CV

Guadalajara, Jalisco, Mexico

Site Status

CICUM San Miguel

Guadalajara, Jalisco, Mexico

Site Status

Centro de Investigación Clinica Médica y Farmacoló

Guadalajara, Jalisco, Mexico

Site Status

Hospital Civil Fray Antonio Alcalde

Guadalajara, Jalisco, Mexico

Site Status

Centro de Atención e Investigación Médica S.A. - México - CAIMED - PPDS

Mexico City, Mexico City, Mexico

Site Status

Accelerium, S. de R.L. de C.V. - PPDS

Monterrey, Nuevo León, Mexico

Site Status

Camacho Ortiz, Adrian

Monterrey, Nuevo León, Mexico

Site Status

Centro de Alta Especialidad Dr. Rafael Lucio

Veracruz, Veracruz, Mexico

Site Status

FAICIC

Veracruz, Veracruz, Mexico

Site Status

Oaxaca Site Management Organization - Clinic - OSMO - PPDS

Oaxaca City, , Mexico

Site Status

Centrum Medyczne PROFAMILIA

Lodz, Łódź Voivodeship, Poland

Site Status

Plucna ambulancia Hrebenar, s.r.o.

Spišská Nová Ves, , Slovakia

Site Status

Newtown Clinical Research Centre

Johannesburg, , South Africa

Site Status

Be Part Yoluntu Centre

Paarl, , South Africa

Site Status

Hospital General Universitario Dr. Balmis

Alicante, Alicante, Spain

Site Status

Centro de salud Cabra Matrona Antonia Mesa Fernández

Cabra, Cordoba, Spain

Site Status

CHUS - H. Clinico U. de Santiago

Santiago de Compostela, , Spain

Site Status

Taichung Veterans General Hospital

Taichung, , Taiwan

Site Status

Tri-Service General Hospital

Taipei, , Taiwan

Site Status

Countries

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United States Argentina Bulgaria Colombia Czechia Malaysia Mexico Poland Slovakia South Africa Spain Taiwan

Other Identifiers

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EDP 938-104

Identifier Type: -

Identifier Source: org_study_id

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