12 citations
,
August 2017 in “Pharmaceutical medicine” This study found that physician knowledge of thromboembolism risk associated with cyproterone acetate/ethinylestradiol was generally high, although it varied for complex or less common topics.
11 citations
,
April 2017 in “The European Journal of Contraception & Reproductive Health Care” This review highlights that Cyproterone acetate combined with ethinylestradiol is highly effective for treating severe acne and hirsutism in women with hyperandrogenism, and it also provides benefits for cycle control and mood improvement, according to the analysis of 78 studies.
7 citations
,
August 2020 in “Health and Quality of Life Outcomes” This study found that oral contraceptives containing cyproterone acetate significantly improved the overall quality of life in polycystic ovary syndrome patients after 6 months compared to those containing levonorgestrel.
7 citations
,
September 1988 in “Baillière's clinical obstetrics and gynaecology” This article discusses the mechanisms of hirsutism and acne in women, highlighting cyproterone acetate with ethinyloestradiol as an effective anti-androgen therapy in the UK, but it reports no new clinical findings.
7 citations
,
May 1983 in “Geburtshilfe und Frauenheilkunde” This study concluded that intramuscular administration of medium-dose cyproterone acetate with oral ethinylestradiol is highly effective in managing hirsutism, showing better response rates than high-dose oral treatment.
7 citations
,
September 2017 in “Pharmacoepidemiology and Drug Safety” This study observed a strong overall reduction in the use of CPA/EE in the Netherlands, despite similar proportions of users with acne or other hyperandrogenic conditions before and after the referral procedure.
6 citations
,
October 2016 in “Contraception” This study found that most UK women prescribed cyproterone acetate/ethinylestradiol before and after 2013 had conditions aligning with approved indications and prior acne treatment.
5 citations
,
June 2021 in “Journal of neurology, neurosurgery and psychiatry” This study found that females exposed to high cumulative doses of cyproterone acetate had a 6–20 fold increased risk of developing meningiomas compared to those on lower doses.
5 citations
,
July 2020 in “PubMed” This study found that EE/CPA and EE/DES were both effective in reducing hirsutism in patients with PCOS, with no additional benefit from adding low-dose metformin.
5 citations
,
January 1984 in “Journal of psychosomatic obstetrics and gynecology/Journal of psychosomatic obstetrics and gynaecology” This study found that treatment with cyproterone acetate and ethinylestradiol in hirsute women reduced testosterone and androstenedione levels, decreased hair growth, and increased cortisol levels without changing catecholamine excretion.
4 citations
,
April 2016 in “Journal of Dermatology Research and Therapy” This article discusses the multifactorial nature of acne vulgaris, detailing its link to androgen-induced sebum production, altered keratinisation, inflammation, and bacterial colonisation, but reports no new research findings.
4 citations
,
July 2006 in “British journal of dermatology/British journal of dermatology, Supplement” This study found that testosterone significantly stimulated the proliferation of outer root sheath cells when co-cultured with beard or axillary dermal papilla cells, but not with cells from occipital scalp hair follicles.
4 citations
,
October 2000 in “Contraception” This study found that a regimen combining cyproterone acetate and testosterone buciclate induced reversible azoospermia in bonnet monkeys, highlighting its potential as an effective male contraceptive.
3 citations
,
January 2018 in “Reproduction, Fertility and Development” This study concluded that cyproterone acetate alone produced antiandrogenic effects on the female gerbil prostate, while ethinyloestradiol alone stimulated estrogenic activity, and their combination led to prostatic lesions.
3 citations
,
April 2017 in “Clinical Drug Investigation” The researchers concluded that after the 2013 EMA recommendation, there was an overall reduction in CPA/EE prescriptions, but no substantial change in patient diagnoses or potential concurrent hormonal contraceptive use.
3 citations
,
May 2002 in “Therapeutische Umschau” This article discusses the challenges in diagnosing and treating diffuse hair loss in women and emphasizes the importance of distinguishing between androgenetic alopecia, chronic telogen effluvium, and psychogenic pseudo effluvium, but reports no new clinical results.
3 citations
,
October 2013 in “International Journal of Rheumatic Diseases” This case report found that a patient with cutaneous polyarteritis nodosa experienced rare and severe manifestations, including digital gangrene and a breast ulcer, requiring aggressive treatment and resulting in below-knee amputation.
3 citations
,
January 2012 This study concluded that human sweat contributes to hair cortisol concentrations, potentially affecting interpretations of chronic stress and OSA-related stress levels, with CPAP reducing psychological but not physiological stress after 3 months.
2 citations
,
November 2025 in “Journal of Ovarian Research” This study found that in a mouse model of PCOS, high androgen levels caused pyroptosis in ovarian granulosa cells and increased ER stress in oocytes, reducing oocyte maturation rates, while treatment with CPA and DMF improved these rates.
2 citations
,
February 2003 in “Obstetrical & Gynecological Survey” The study found that various antiandrogen regimens significantly reduced acne severity in hyperandrogenic women, with finasteride being less effective than others.
1 citations
,
October 2017 in “Animal science journal” This study found that cyclophosphamide treatment in cashmere goats significantly increased cashmere yield by inducing shedding without affecting fiber length, with a 20 mg/kg body weight dose being optimal for hair removal and regrowth.
1 citations
,
January 2001 in “Endocrine Practice” This study suggests that topical finasteride may benefit women with facial hirsutism, based on observations from a small sample.
1 citations
,
November 1996 in “Journal of Cutaneous Medicine and Surgery” Hormones, especially androgens, play a key role in causing acne, and treatments like hormone control pills and hormone-blocking medications can help.
1 citations
,
January 1979 in “International Journal of Dermatology” This article reviews the use of anti-androgens, particularly cyproterone acetate, for managing hirsutism, but does not provide new clinical results.
October 2025 in “Minerva Obstetrics and Gynecology” This review suggests that estroprogestins with anti-androgenic progestins, like cyproterone acetate and drospirenone, may effectively manage androgen excess in PCOS women, considering individual patient profiles.
January 2024 in “Pharmaceutical medicine” In this study, most surveyed physicians were aware of the meningioma risk linked to cyproterone acetate monotherapy, but many did not recall receiving updated safety communications.
June 2021 in “SWU eJournals System (Srinakharinwirot University)” The study found that cyproterone acetate could be released over 15 days using coconut oil mixed with certain wax inhibitors, though further safety studies are needed.
June 2020 in “Research Square (Research Square)” This study found that oral contraceptives containing cyproterone acetate significantly improved the overall quality of life in polycystic ovary syndrome patients after six months, compared to those containing levonorgestrel.
April 2020 in “Research Square (Research Square)” This study found that oral contraceptives containing cyproterone acetate improved the overall quality of life in PCOS patients more than those containing levonorgestrel after 6 months of treatment.
In this study, the researchers observed that antiandrogen treatment with Cyproterone acetate led to atrophy of pilo-sebaceous units and may activate Langerhans cells, contributing to local inflammation.