Phase I Study to Evaluate Single and Multiple Oral Doses of HW281171 Tablets in Healthy Participants

A Phase I Clinical Trial to Evaluate the Safety, Tolerability and Pharmacokinetic Profiles of Single and Multiple Oral Administration and Dose Escalation of HW281171 Tablets in Healthy Participants

This phase 1 study aims to evaluate the safety, tolerability and pharmacokinetic profiles of HW281171 in healthy Participants. The study consists of three parts: Part A (Single-Dose Escalation Study), Part B (Food Effect and Metabolite Study), and Part C (Multiple-Dose Escalation Study).

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

80

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Shanghai, China
        • Huashan Hospital, Fudan University
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 45 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Participants sign the informed consent form prior to the initiation of any study procedures.
  • Healthy male and female participants aged 18 to 45 years (inclusive), with no less than 3 participants of a single gender.
  • Female participants have a body weight of ≥45.00 kg, male participants have a body weight of ≥50.00 kg, and the body mass index (BMI) ranges from 19.0 to 26.0 kg/m^2 (inclusive).
  • Participants whose vital signs, physical examination, 12-lead electrocardiogram, laboratory tests, abdominal B-ultrasound and posteroanterior chest X-ray results at screening or on Day -1 are judged by the Investigator to be normal or abnormal without clinical significance.
  • Participants agree to have no fertility plan and no sperm/egg donation plan from the time of signing the informed consent form until 3 months after study withdrawal, and are willing to practice abstinence or use highly effective contraceptive methods during this period.
  • Participants can communicate well with the Investigator, understand and comply with all requirements of this study, and fully understand the study purpose, nature, methods and potential Adverse Events.

Exclusion Criteria:

  • Participants with a history of drug or food allergy, allergic diseases, or allergic diathesis (allergic to two or more substances), or with confirmed allergy to any component or analogue of the investigational product.
  • Participants with any past or current clinically significant severe or chronic diseases of the circulatory, endocrine, nervous, digestive, respiratory, hematological, immune, psychiatric systems or metabolic disorders, or any other diseases judged by the investigator that may interfere with trial results.
  • Participants with a history of gastrointestinal, hepatic or renal diseases affecting drug absorption or metabolism, or known or suspected diseases affecting drug intake, transport, absorption, distribution, metabolism or excretion; participants who have undergone surgeries affecting drug absorption or metabolism (appendectomy excluded).
  • Participants with abnormal examination results specified in the protocol at screening or on Day -1.
  • Participants with a history of drug abuse, drug dependence, or positive drug screening results.
  • Participants with positive results for any of human immunodeficiency virus antibody, hepatitis B virus surface antigen, hepatitis C virus antibody, or treponema pallidum specific antibody.
  • Female participants who are pregnant, lactating at screening or during the trial, or have a pregnancy test result above the upper limit of normal, or have had unprotected sexual intercourse within 2 weeks before screening.
  • Participants with prior or concomitant medications/non-drug interventions specified in the protocol.
  • Participants who have participated in any clinical trial of drugs or medical devices within 90 days before screening (participation in a clinical trial is defined as receiving or using the investigational drug/device).
  • Participants with severe trauma or surgical operation within 3 months before screening; participants who plan to receive surgery during the trial or within two weeks after trial completion.
  • Participants who have donated blood or experienced a total blood loss of ≥400 ml within 3 months before the first dose.
  • Participants with difficult venous access and intolerance to venipuncture.
  • Participants with a smoking history within 3 months before screening (average daily consumption >5 cigarettes), or who cannot stop using any tobacco products during the trial.
  • Participants with an average weekly alcohol intake of more than 14 alcohol units within 3 months before screening (1 alcohol unit is approximately 360 ml beer, or 45 ml spirits with 40 Percentage alcohol content, or 150 ml wine), or positive alcohol breath test, or who cannot abstain from alcohol during the trial.
  • Participants consuming excessive tea, coffee or caffeinated beverages on average every day (more than 8 cups, 1 cup = 250 ml) within 48 hours before the first dose, or who cannot stop consuming tea, coffee or caffeinated beverages during the trial; participants who have consumed special diets within 48 hours before the first dose (including pitaya, mango, lime, pomelo, carambola, orange, grapefruit or grapefruit products and other fruits or corresponding juices that may affect drug metabolism), or other special diets affecting drug absorption, distribution, metabolism or excretion.
  • Participants with special dietary requirements and unable to follow the unified diet.
  • Participants with other factors judged by the investigator to be unsuitable for participating in the clinical trial.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Part A:HW281171

Single dose of HW281171 tablets

Administered orally daily at pre-specified dose and frequency.

Placebo Comparator: Part A:Placebo

Single dose of Placebo tablets

Administered orally daily at pre-specified dose and frequency.

Experimental: Part B:Sequence A

Single dose of HW281171 tablets under fasting-fed sequence

Administered orally daily at pre-specified dose and frequency.

Experimental: Part B:Sequence B

Single dose of HW281171 tablets under fed-fasting sequence

Administered orally daily at pre-specified dose and frequency.

Experimental: Part C:HW281171

Multiple doses of HW281171 tablets

Administered orally daily at pre-specified dose and frequency.

Placebo Comparator: Part C:Placebo

Multiple doses of Placebo tablets

Administered orally daily at pre-specified dose and frequency.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The number and severity of treatment emergent adverse events (TEAEs)
Time Frame: Up to 1 month

To assess the safety and tolerability of single or multiple doses of HW281171 tablets in healthy participants.

Up to 1 month

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The maximum serum concentration (Cmax)
Time Frame: Up to 1 month

Pharmacokinetic parameter

Up to 1 month
The Area Under the Curve from dosing to the time of the last measured concentration (AUC0-t)
Time Frame: Up to 1 month

Pharmacokinetic parameter

Up to 1 month
The time to reach Cmax (Tmax)
Time Frame: Up to 1 month

Pharmacokinetic parameter

Up to 1 month
The Half life (t1/2)
Time Frame: Up to 1 month

Pharmacokinetic parameter

Up to 1 month

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

November 18, 2026

Primary Completion (Estimated)

August 1, 2027

Study Completion (Estimated)

September 1, 2027

Study Registration Dates

First Submitted

November 5, 2026

First Submitted That Met QC Criteria

November 11, 2026

First Posted (Actual)

November 13, 2026

Study Record Updates

Last Update Posted (Actual)

November 13, 2026

Last Update Submitted That Met QC Criteria

November 11, 2026

Last Verified

November 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • HW281171-101

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.