ClinicalTrials.gov record
Completed Phase 3 Interventional Accepts healthy volunteers

Safety and Efficacy of T89 in the Prevention and Treatment of Adults With Acute Mountain Sickness (AMS)

ClinicalTrials.gov ID: NCT04993729

Public ClinicalTrials.gov record NCT04993729. 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 May 18, 2026, 12:12 PM 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 Multicenter, Double-blind, Randomized and Placebo-controlled Pivotal Phase 3 Study to Evaluate the Safety and Efficacy of T89 in the Prevention and Treatment of Acute Mountain Sickness (AMS) After Rapid Ascent

Study identification

NCT ID
NCT04993729
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Tasly Pharmaceuticals, Inc.
Industry
Enrollment
853 participants

Conditions and interventions

Interventions

  • Placebo capsule Drug
  • T89 capsule Drug

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
Jul 20, 2021
Primary completion
May 25, 2023
Completion
May 25, 2023
Last update posted
Aug 12, 2024

2021 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Hypoxia Research Lab, UCSF Parnassus Campus, S-256 San Francisco California 94143

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 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04993729, 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 Aug 12, 2024 · Synced May 18, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04993729 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →