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New drug THB335 tested in healthy volunteers for safety

NCT ID NCT06425861

Knowledge-focused Sponsor: Third Harmonic Bio, Inc. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial tested the safety of a new drug called THB335 in 60 healthy adults. Participants received either the drug or a placebo in single or multiple doses, and researchers monitored side effects and how the drug moved through the body. Since this is a Phase 1 study in healthy people, there is no direct treatment benefit; the goal is to gather safety and dosing information for future research.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
THB335

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

60 people

The number who actually took part.

Started

May 2024

Finished

Dec 2024

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * In good health, determined by no clinically significant findings from medical history, 12 lead electrocardiogram (ECG), vital sign measurements, and clinical laboratory evaluations * Males or females, of any race, between 18 and 65 years of age, inclusive. * Participants must understand the nature of the study and must provide signed and dated written informed consent in accordance with local regulations before the conduct of any study related procedures * Body weight of ≥ 50.0 kg for men and ≥ 45.0 kg for women and Body Mass Index (BMI) of 17.5-32.0 kg/m2 (inclusive) at Screening Exclusion Criteria: * Significant history or clinical manifestation of cancer or any metabolic, allergic, dermatological, hepatic, biliary, renal, hematological, pulmonary, cardiovascular, gastrointestinal, neurological, respiratory, endocrine, or psychiatric disorder * Vaccinated within 14 days prior to Day -1 or intention to receive vaccination during the study * A positive urine drug screen/alcohol breath test * The participant currently smokes, vapes, or uses nicotine-containing products.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy

Contacts and locations

Locations

  • QPS Miami

    Miami, Florida, 33143, United States

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