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ClinicalTrials.gov public records Last synced Oct 6, 2026, 11:26 AM EDT

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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Enanta Pharmaceuticals, Inc Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-235, Midazolam, Caffeine and Rosuvastatin in Healthy Subjects

NCT05594615
View directory record Official record
Conditions
COVID-19
Interventions
EDP-235, Midazolam, Rosuvastatin, Caffeine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Pharmacokinetics of Ascending Single Oral Doses of EDP-322 in Nonfasting and Fasting Healthy Volunteers

NCT00989872
View directory record Official record
Conditions
Skin and Soft Tissue Infections, Methicillin-resistant Staphylococcus Aureus
Interventions
EDP-322
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2009 · Synced Oct 6, 2026, 11:26 AM EDT
Terminated Phase 2 Interventional Results available

Effects of EDP-938 in Hematopoietic Cell Transplant Recipients Infected With Respiratory Syncytial Virus of the Upper Respiratory Tract

NCT04633187
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
16 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of EDP-323 in Healthy Subjects

NCT05587478
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-323, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 6, 2026, 11:26 AM EDT
Not listed Phase 2 Interventional

Comparative Study of EDP-420 Versus Another Antibiotic in the Treatment of Community Acquired Pneumonia

NCT00270517
View directory record Official record
Conditions
Community Acquired Pneumonia
Interventions
EDP-420 / Duration of Treatment - 3 days, Telithromycin / Duration of Treatment - 7 days
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Watertown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 19, 2006 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study to Investigate the Effect of Coadministration of EDP-305 on the PK of a Combined Oral Contraceptive in Healthy Female Subjects

NCT03783897
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
EDP-305, Oral Contraceptive
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-514, Itraconazole, Carbamazepine, and Quinidine in Healthy Subjects

NCT04783753
View directory record Official record
Conditions
Hepatitis B
Interventions
EDP-514, Itraconazole, Carbamazepin, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Oct 6, 2026, 11:26 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single and Multiple Doses of EDP-978 in Healthy Adults

NCT07540910
View directory record Official record
Conditions
Chronic Inducible Urticaria, Chronic Spontaneous Urticaria
Interventions
EDP-978, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Multiple Ascending-Dose Study of EDP 322 in Healthy Adult Volunteers

NCT00990145
View directory record Official record
Conditions
MRSA, SSTI
Interventions
EDP-322
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 8, 2009 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Safety, Tolerability, Pharmacokinetics and Efficacy of EDP-305 in Subjects With Primary Biliary Cholangitis

NCT03394924
View directory record Official record
Conditions
Primary Biliary Cholangitis
Interventions
EDP-305 1 mg, EDP-305 2.5 mg, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
40
States / cities
Dothan, Alabama • Little Rock, Arkansas • Coronado, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of EDP-235 in Healthy Subjects

NCT05246878
View directory record Official record
Conditions
SARS CoV 2 Infection
Interventions
EDP-235, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2022 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate EDP 938 Regimens in Children With RSV

NCT04816721
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
28 Days to 36 Months
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
16
States / cities
Long Beach, California • Los Angeles, California • Sacramento, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between Fluconazole and EDP-938 in Healthy Subjects

NCT04871724
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Fluconazole
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-235, Itraconazole, Carbamazepine and Quinidine in Healthy Subjects.

NCT05594602
View directory record Official record
Conditions
COVID-19
Interventions
EDP-235, Itraconazole, Carbamazepine, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of EDP-938 in Healthy Subjects

NCT03384823
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-938, Cyclosporine and Prednisone in Healthy Adult Subjects

NCT03750383
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Cyclosporine, Prednisone
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2019 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of EDP-305 in Subjects With Mild and Moderate Hepatic Impairment Compared With Normal Healthy Volunteers

NCT03207425
View directory record Official record
Conditions
NASH
Interventions
EDP 305
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study Between EDP-305, Midazolam, Caffeine and Rosuvastatin in Healthy Volunteers.

NCT03187496
View directory record Official record
Conditions
NASH
Interventions
Midazolam, Caffeine, Rosuvastatin, EDP-305
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Oct 6, 2026, 11:26 AM EDT
Terminated Phase 2 Interventional Results available

A Randomized, Double-blind Study to Assess the Safety and Efficacy of EDP-305 in Subjects With Liver-biopsy Proven NASH

NCT04378010
View directory record Official record
Conditions
Non-Alcoholic Steatohepatitis
Interventions
EDP-305 1.5 mg, EDP-305 2 mg, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
68
States / cities
Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study Between EDP-305, Intraconazole and Rifampin in Healthy Volunteers

NCT03213145
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
intraconazole, Rifampin, EDP 305
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-938, Itraconazole, Rifampin, and Quinidine in Healthy Subjects

NCT03755778
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Itraconazole, Rifampin, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 2 Interventional Results available

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

NCT05568706
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
31
States / cities
Tempe, Arizona • Fresno, California • Lomita, California + 26 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 6, 2026, 11:26 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Safety, Tolerability, and Pharmacokinetics of Multiple Oral Doses of EDP-788

NCT02255968
View directory record Official record
Conditions
Healthy
Interventions
EDP-788, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Oct 6, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Safety and Pharmacokinetics of a Single Oral Dose of EDP-788

NCT01999725
View directory record Official record
Conditions
Safety in Normal Volunteers
Interventions
EDP-788, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2015 · Synced Oct 6, 2026, 11:26 AM EDT