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New cream could help men regrow hair – phase 3 trial complete

NCT ID NCT05914805

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 3 trial tested a topical solution called clascoterone for male pattern hair loss. 762 men with mild to moderate balding applied the solution or a placebo twice daily for 6 months, followed by another 6 months for those who responded. The goal was to see if clascoterone could increase hair count and improve hair coverage. Results are not yet available, but if successful, this could become a new treatment option for hair loss.

What this could mean

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

Active substance
clascoterone solution (a topical cream applied to the scalp)
What this could lead to
If it works, this could provide a new topical treatment option for male pattern hair loss, helping to regrow hair and slow further loss.
What could go wrong
This is a completed Phase 3 trial, but results are not yet published. The treatment may not work better than placebo, and side effects like scalp irritation 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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

762 people

The number who actually took part.

Started

Aug 2023

Finished

Jul 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 years and older

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: Subject can participate in this clinical study if all the following criteria are met: 1. Subject who is male ≥18 years old. 2. Subject who has provided written informed consent. 3. Subject who has mild to moderate AGA in temple and vertex region, rating III vertex to V on the Modified Norwood-Hamilton Scale (i.e., III vertex \[IIIv\], IV, or V), with a history of ongoing hair loss. 4. Subject who is willing to maintain the same hairstyle, hair length and hair color throughout the study. 5. Subject who is willing to comply with study instructions at home and return to the clinic for required visits. 6. Subject who agrees to continue his shampoo frequency and other general hair care products and regimen for the entire study. 7. Subject who agrees to maintain same dietary and supplement pattern. 8. Subjects who are sexually active with a female partner and are not surgically sterile (vasectomy performed at least 6 months prior to treatment) must agree to use an acceptable form of birth control as described in the informed consent form. For subjects, adequate forms of contraception include condom and spermicide in combination with other forms of female contraception. For females, an acceptable method (Pearl Index \<1%) would be to agree to use implants, injectables, combined oral contraceptives, some intrauterine devices, or be postmenopausal (defined as amenorrhea greater than 12 consecutive months in women 50 years of age or older), be surgically sterile (hysterectomy, bilateral tubal ligation \[at least 6 months prior\], or bilateral oophorectomy). Exclusion Criteria: Subjects who meet any of the following criteria are not eligible to participate in the study: 1. Subject who has any dermatological disorders of the scalp in the target region with the possibility of interfering with the application of the IMP or examination method, such as fungal or bacterial infections, seborrheic dermatitis, psoriasis, eczema, folliculitis, scars, or scalp atrophy. 2. Subject who has any skin pathology or condition that, in the investigator's opinion, could interfere with the evaluation of the IMP or requires use of interfering topical, systemic (e.g., uncontrolled thyroid disease, certain genetic disorders that involve hair growth or patterns), or surgical therapy. 3. Subject who has current or recent history (within 6 months) of hair weaves, non-breathable wigs, or hair bonding. 4. Subject who had scalp hair transplants at any time. 5. Subject with a history of active hair loss due to diffuse telogen effluvium, alopecia areata, scarring alopecia, trichotillomania, or conditions/diseases other than AGA. 6. Subject who has a current or recent history (within 6 months) of severe dietary or weight changes or has a history of eating disorder(s), any history of bariatric surgery (gastric bypass, gastric sleeve, stomach stapling); macro- or micro-nutrient deficiencies within the last 6 months (i.e.: clinically significant iron deficiency, protein deficiency confirmed by lab testing) and/or any current diagnosis of malabsorptive disease (i.e.: Celiac, Irritable Bowel disease etc.). 7. Subject who has any condition which, in the investigator's opinion, would make it unsafe for the subject to participate in this study, including 12-lead electrocardiogram (ECG) findings during the screening period. 8. Subject is currently enrolled in an investigational drug or device study. 9. Subject who has used an investigational drug or investigational device treatment within 30 days or 5 half-lives whichever is longer prior to Visit 2/Baseline. 10. Subject who is unable to communicate or cooperate with the investigator due to language problems, poor mental development, or impaired cerebral function. 11. Subject who has used or is suspected, in the investigator's opinion, to be using anabolic steroids. 12. Subject who may be unreliable for the study, including subjects who engage in excessive alcohol intake or drug abuse, and/or subjects who will be unable to return for scheduled follow-up visits. 13. Subject who has a known hypersensitivity or previous allergic reaction to any of the active or inactive ingredients in the IMPs or tattoo ink. 14. Subject who has used any of the following topical preparations or procedures on the scalp: 1. Topical scalp treatments for hair growth including minoxidil, Aminexil, hormone therapy, anti-androgens, or other agents that are known to affect hair growth within 12 weeks of Visit 2/Baseline. 2. Topical scalp over-the-counter (OTC) or cosmetic treatments known or reasonably believed to affect hair growth (e.g., brands such as Maxilene, Nioxin, Foltene, etc.) or hair health or hair growth products with saw palmetto, copper, etc. within 2 weeks of Visit 2/Baseline. 3. Topical scalp treatments that may have ancillary effect on hair growth including, but not limited to, corticosteroids, pimecrolimus, tacrolimus, and retinoids within 4 weeks of Visit 2/Baseline. 4. Scalp procedures (surgical, laser, light, or energy treatments, micro-needling, etc.) within 6 months of Visit 2/Baseline. 5. Platelet rich plasma (PRP) procedure on the scalp within 6 months of Visit 2/Baseline. 15. Subject who has used one or more of the following systemic medications or procedures: 1. Beta blockers, cimetidine, diazoxide, or corticosteroids (including intramuscular and intralesional injections) within 12 weeks of Visit 2/Baseline. Inhaled, intranasal, or ocular corticosteroids are allowed if use is stable \[defined as doses and frequency unchanged for at least 4 weeks prior to Visit 2/Baseline\]. 2. Retinoid, isotretinoin, vitamin A intake above 10,000 IU per day, or cyclosporine therapy within 6 months of Visit 2/Baseline. 3. Any 5 alpha reductase medications (i.e.: Finasteride \[Propecia®, etc.\], Dutasteride or similar products within 6 months of Visit 2/Baseline. 4. Chemotherapy or cytotoxic agents at any time. 5. Radiation of the scalp at any time point. 6. Other systemic therapy, which in the opinion of the investigator, may materially affect the subject's hair or hair growth, including, but not limited to, spironolactone, vitamin or homeopathy supplement hair growth or hair health products or other steroid hormones (in any form), including anabolic steroids during the 3 months prior to baseline or during the study. 16. Subject who has been previously enrolled in any study with Clascoterone (former CB 03 01). 17. Subject who is an employee or direct relative of an employee of the contract research organization (CRO), the study site, or the Sponsor. 18. Subject who is institutionalized because of legal or regulatory order.

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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

  • Acclaim Dermatology LLC

    Sugar Land, Texas, 77479, United States

  • Advanced Dermatology & Cosmetic Surgery

    Spartanburg, South Carolina, 29307, United States

  • Austin Institute for Clinical Research

    Pflugerville, Texas, 78660, United States

  • Carpe Diem Centrum Medycyny Estetycznej

    Warsaw, 02-661, Poland

  • Centrum Medyczne All-med Badania Kliniczne

    Krakow, 30-033, Poland

  • Centrum Medyczne Angelius Provita

    Katowice, 40-611, Poland

  • Centrum Medyczne Pratia

    Katowice, 40-081, Poland

  • Centrum Nowoczesnych Terapii Dobry Lekarz

    Krakow, 31-011, Poland

  • Clinical Research Center for Hair and Skin Science, Dept. of Dermatology, Venereology and Allergology, Charité - Universitätsmedizin Berlin

    Berlin, 10117, Germany

  • DelRicht Research

    Atlanta, Georgia, 30329, United States

  • DelRicht Research

    Wildwood, Missouri, 63040, United States

  • DelRicht Research

    Thompson's Station, Tennessee, 37179, United States

  • Department of Dermatology and Allergy, Johannes Gutenberg-Universität KöR

    Mainz, 55131, Germany

  • Dermaticum-Privatpraxis für Dermatologie

    Freiburg im Breisgau, 79098, Germany

  • Dermoklinika Centrum Medyczne s.c. M. Kierstan, J.Narbutt, A. Lesiak

    Lodz, 90-436, Poland

  • Diamond Clinic Sp. z o.o.

    Krakow, 31-559, Poland

  • Emovis GmbH

    Berlin, 10629, Germany

  • Eurofins | bioskin

    Hamburg, 20095, Germany

  • Grekin Skin Institute

    Warren, Michigan, 48088, United States

  • Investigate MD

    Scottsdale, Arizona, 85255, United States

  • Narodowy Instytut Geriatrii, Reumatologii iRehabilitacji im. prof. dr hab. med. Eleonory Reicher

    Warsaw, 02-637, Poland

  • Physician's Institute of Cosmetic and Reconstructive Surgery

    Hollywood, Florida, 33021, United States

  • Piedmont Plastic Surgery and Dermatology

    Huntersville, North Carolina, 28078, United States

  • Premier Clinical Research

    Spokane, Washington, 99202, United States

  • Privatpraxis Dr. Hilton & Partner

    Düsseldorf, 40212, Germany

  • Pro Life Medica

    Lublin, 20-412, Poland

  • Revival Research Institute

    Troy, Michigan, 48084, United States

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