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New gel shows promise for thinning hair in early trial

NCT ID NCT06393452

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a gel called PP405 for male and female pattern baldness. 78 adults used the gel or a placebo for 28 days, then everyone could use the real gel for 3 more months. The main goals were to check safety and how the body processes the drug.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

78 people

The number who actually took part.

Started

Jun 2024

Finished

Oct 2025

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 55 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: 1. Male or female subjects aged 18 to 55 years. 2. Able and willing to provide written informed consent. 3. Males must have an AGA modified Norwood-Hamilton Classification score of Type III vertex, Type IV or Type V. Females must have a Savin classification score of I-2, I-3 or I-4. 4. Agree to comply with protocol procedures Exclusion Criteria: 1. Concomitant diagnosis of non-AGA forms of alopecia. 2. Use of other hair loss treatments within periods specified in protocol. 3. Use of excluded medications as specified in protocol. 4. Diagnosis of other medical conditions as specified in protocol. 5. Any disease or medical condition that, in the opinion of the Investigator, would prevent the subject from participating in the study or might confound study results.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • California Dermatology & Clinical Research Institute

    Encinitas, California, 92024, United States

  • Clinical Trials Research Institute

    Thousand Oaks, California, 91320, United States

  • Dawes Fretzin Clinical Research Group, LLC

    Indianapolis, Indiana, 46250, United States

  • DermResearch

    Austin, Texas, 78759, United States

  • Jordan Valley Dermatology Center

    South Jordan, Utah, 84095, United States

  • Minnesota Clinical Study Center

    New Brighton, Minnesota, 55112, United States

  • Stride Clinical Research LLC

    Sugar Land, Texas, 77479, United States

  • Virginia Clinical Research, Inc.

    Norfolk, Virginia, 23502, United States

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