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Androgen receptor antagonist

CLASCOTERONE (brand name Winlevi) is a topical cream used to treat acne vulgaris in people 12 years of age and older. It works by blocking androgen receptors in the skin.

How it worksCLASCOTERONE acts as an androgen receptor inhibitor to help treat acne.

Brand names:WINLEVI

Used for
Acne vulgaris
Conditions
Acne vulgaris
Class
Androgen Receptor AntagonistAndrogen receptor antagonistIntegumentary systemEndocrine system

How to take

FormsCream
RoutesTopical

Apply a thin layer of cream (about 1 gram) to the affected skin twice daily, once in the morning and once in the evening.

Cleanse the area gently and ensure skin is dry before applying. Do not use this cream in your eyes, mouth, or vagina.

Key warnings

  • ·Local skin irritation such as redness, itching, or peeling may occur.
  • ·The drug may cause suppression of your HPA axis (the system that controls hormones).
  • ·High potassium levels (hyperkalemia) have been seen in some patients.
  • ·Pediatric patients might be more sensitive to systemic effects.

Do not use if

  • ·None listed

Side effects

Common

Skin rednessItchingDryness or scaling of the skinSwellingStinging or burning sensation

Serious

  • ·Suppression of the HPA axis (hormone system)
  • ·High potassium levels in the blood
  • ·Severe skin irritation

Seek help if

  • ·If you experience HPA axis suppression or high potassium, contact your doctor.

Interactions

  • ·CASODEX
  • ·METANDREN
  • ·DELATESTRYL
  • ·AVEED
  • ·ERLEADA
  • ·AZMIRO
  • ·DANOCRINE
  • ·NUBEQA
  • ·ZYTIGA
  • ·EULEXIN

Special populations

PregnancyThere is no data on how WINLEVI cream affects pregnant women. Animal studies showed an increased risk of birth defects and pregnancy loss at high doses.

PediatricWINLEVI is safe and effective for acne treatment in children aged 12 to 18. It has not been tested in children under 12.

GeriatricThere is not enough information on how the drug affects people over 65. Older adults should use it cautiously due to potential changes in organ function.

Talk to your doctor

Monitor

  • ·Local skin irritation (redness, itching, scaling)
  • ·HPA axis function
  • ·Potassium levels

Questions to ask

  • ·Could Winlevi affect my hormone levels?
  • ·Is it safe to use other skin products while using Winlevi?
  • ·How will this affect my potassium levels?

Pharmacokinetics

Protein binding84% to 89%
MetabolismMetabolized into cortexolone

Practical

StorageStore in the refrigerator (36°F to 46°F) before use. Once you start using it, keep it at room temperature (68°F to 77°F). Discard 180 days after dispensing or 1 month after opening.

Ingredients

Inactive

cetyl alcoholcitric acid monohydrateedetatate disodiummineral oilmono- and di-glyceridespolysorbate 80propylene glycolpurified watervitamin Epropylene glycolwaterglyceryl mono- and dicaprylocapratemineral oilcetyl alcoholpolysorbate 80edetate disodiumalpha-tocopherol

Educational summary derived from FDA labeling, AI-assisted. Not medical advice — consult a healthcare professional. Updated 2026-04-25.