New scalp injection could regrow hair in balding men
NCT ID NCT07327359
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests an experimental drug called OLX72021 in 158 men with mild to moderate male pattern baldness. The drug is injected into the scalp at different doses to see if it is safe and can increase hair count compared to a placebo. The trial is currently recruiting participants.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- OLX72021 (an experimental drug injected into the scalp)
- What this could lead to
- If it works, this could lead to a new treatment option for male pattern baldness that helps regrow hair.
- What could go wrong
- This is an early-phase trial (Phase 1b/2a) with a small number of participants. The drug may not work better than placebo, and side effects from the injections are possible.
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
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 158 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- 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 59 years
- Sex
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Male participants only
- 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: * Adult male. * 18 to 59 years. * Androgenetic Alopecia (Hamilton-Norwood III-V). * Body mass index (BMI) ≥ 18.0 kg/m2, with a body weight ≥ 50 kg at screening. * Non-smoker. * Medically healthy without clinically significant abnormalities. * Willing and able to tolerate multiple injections and attend all study visits. * Willing to have blood drawn. Exclusion Criteria: * History or presence of significant pulmonary, hepatic, renal, hematological, gastrointestinal, endocrine, immunologic, or neurological disease, including any acute illness or major surgery within the past 3 months determined by the PI to be clinically significant. * Uncontrolled diabetes mellitus. * Immunodeficiency disorders. * History of clinically significant heart disease. * History of risk factors for torsade de pointes. * Any dermatological disorders of the scalp. * History or clinical signs of keloids or hypertrophic scars. * History of active hair loss due to alopecia areata, scarring alopecia, diffuse telogen effluvium, or conditions other than AGA. * History of surgical correction of hair loss or hair transplant on the scalp. * History of radiation of the scalp at any time. * Use of semi-permanent hair products. * Use of an occlusive wig, hair extensions, or hair weaves for the duration of the study. * Use of cosmeceuticals or over-the-counter (OTC) hair regrowth products \< 2 weeks prior to the first dose of study drug. * Use of topical/local treatments. * Use of non-topical/local medications within 24 weeks prior to the first dose of study drug * Anti-cancer agents, including cytotoxic agents, that can potentially have effects on alopecia within 12 months prior to the first dose of study drug * Scalp hair loss on the treatment area due to disease, injury, or medical therapy. * Current infection that requires systemically absorbed or topical antibiotic, antifungal, antiparasitic, or antiviral medications. * Any history of malignant disease in the last 5 years (excludes surgically resected skin squamous cell or basal cell carcinoma). * Positive test results for active human immunodeficiency virus-1 or 2 (HIV-1 or HIV-2), hepatitis B surface antigen (HBsAg), or hepatitis C virus (HCV) antibodies. * Positive drugs of abuse test, alcohol breath test, or cotinine test at the screening visit and prior to the first administration of study treatment. * Use of any vaccinations within 14 days prior to the first study drug administration. * Donation of blood or plasma within 30 days prior to first study drug administration, or loss of whole blood of more than 500 mL within 30 days prior to first study drug administration, or receipt of a blood transfusion within 1 year of first study drug administration. * Treatment with an investigational drug in another clinical trial within 60 days or 5 half lives of the other investigational drug (whichever is longer) prior to the first administration of study drug in this trial. * Any other condition or prior therapy that in the opinion of the Investigator would make the volunteer unsuitable for this study, including inability to cooperate fully with the requirements of the study protocol or likelihood of noncompliance with any study requirements. * Known hypersensitivity to the study drug or any of the study drug ingredients. * History of surgery or hospitalization within 3 months prior to screening, or surgery planned during the study. * Regular consumption of more than 10 standard alcoholic drinks/week and/or more than 2 standard alcoholic drinks on any one day. * Refusal to provide informed consent.
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Genom att skicka in godkänner du våra Användarvillkor
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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Study contacts
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Contact
Email: •••••@•••••
Locations
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Emeritus Research Camberwell
RECRUITINGCamberwell, Victoria, 3124, Australia
Contact Email: •••••@•••••
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