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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Safety, Tolerability, Pharmacokinetics, Drug-Drug and Food Interactions of Single and Multiple Doses of S-648414 in Healthy Adults

ClinicalTrials.gov ID: NCT04147715

Public ClinicalTrials.gov record NCT04147715. 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 1, 2026, 11:14 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 1, Randomized, Double-Blind, Single-Ascending-Dose, and Food Effect Study to Assess the Safety, Tolerability, Ventricular Repolarization, and Pharmacokinetics of S-648414 in Healthy Adult Study Participants (Part 1); A Phase 1, Randomized, Double-Blind, Multiple-Ascending-Dose Study to Assess the Safety, Tolerability, and Pharmacokinetics of S-648414 and A Drug-Drug Interaction Study With the CYP3A Substrate, Midazolam, in Healthy Adult Study Participants (Part 2)

Brief summary

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

The primary objective of Part 1 of the study is to evaluate the safety and tolerability of S-648414 after administration of a single oral dose of S-648414 in healthy adult study participants. The primary objective of Part 2 is to evaluate the safety and tolerability of S-648414 after administration of multiple oral doses of S-648414 in healthy adult study participants. The primary objectives of Part 3 are evaluate the safety and tolerability of S-648414 after administration of multiple oral doses of S-648414 in healthy adult study participants, and to evaluate the effect of S-648414 on the pharmacokinetics (PK) of dolutegravir and the effect of dolutegravir on the PK of S-648414 in healthy adult study participants.

Study identification

NCT ID
NCT04147715
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Shionogi
Industry
Enrollment
98 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Oct 8, 2019
Primary completion
Sep 21, 2020
Completion
Sep 28, 2020
Last update posted
Oct 31, 2021

2019 – 2020

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
PPD Ph 1 Clinical Research Unit Austin Texas 78744

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 1 non-U.S. site.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04147715, 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 Oct 31, 2021 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04147715 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →