New gel shows promise for thinning hair in early trial
NCT ID NCT06393452
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.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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78 people
The number who actually took part.
- Started
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Jun 2024
- Finished
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Oct 2025
- Lead sponsor
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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
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18 to 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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
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California Dermatology & Clinical Research Institute
Encinitas, California, 92024, United States
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Clinical Trials Research Institute
Thousand Oaks, California, 91320, United States
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Dawes Fretzin Clinical Research Group, LLC
Indianapolis, Indiana, 46250, United States
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DermResearch
Austin, Texas, 78759, United States
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Jordan Valley Dermatology Center
South Jordan, Utah, 84095, United States
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Minnesota Clinical Study Center
New Brighton, Minnesota, 55112, United States
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Stride Clinical Research LLC
Sugar Land, Texas, 77479, United States
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Virginia Clinical Research, Inc.
Norfolk, Virginia, 23502, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can exosome shots outperform minoxidil for baldness?
- Can tiny needles boost hair growth in balding men?
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- Can light boost PRP's power against hair loss?