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Can a scalp gel turn back male pattern baldness?

NCT ID NCT07819435

Disease control Sponsor: Pelage Pharmaceuticals, 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 15, 2026 · Last updated Sep 18, 2026 · Updated 2 times

Summary

Researchers are testing an experimental topical gel called PP405 in men with androgenetic alopecia, the most common form of male pattern hair loss. The trial enrolls about 600 men aged 18 to 55 with moderate hair loss at the top of the scalp. Participants apply either the PP405 gel or a plain gel, and researchers measure changes in hair counts and how much scalp coverage participants report.

What this could mean

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

Active substance
PP405, an experimental topical gel applied to the scalp
What this could lead to
If it works, PP405 could offer men with pattern baldness a topical option to regrow hair and improve scalp coverage.
What could go wrong
The trial is still testing whether PP405 works, and many hair loss treatments fail in later stages. Topical gels can also cause scalp irritation, and results may not apply to all men or all types of hair loss.

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 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

About 600 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Jun 2028

An estimate. End dates often move.

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

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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. Males (assigned at birth) aged 18 to 55 years, inclusive at time of consent. 2. Able and willing to provide written informed consent 3. Must have been experiencing Androgenetic Alopecia (AGA) for at least 6 months prior to screening. 4. Have a modified Norwood-Hamilton score of Type IV or Type V 5. 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 and procedures 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.

alopecia androgenetic alopecia

As listed by the trial registrant

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

Androgenetic alopecia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Study contacts

  • Contact

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