Medherant Announces Positive Results for Initial Phase 1 Clinical Trial of Testosterone Patch for Women

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* Medherant’s patch could become the first-in-class testosterone patch developed specifically for women.  Built on the company’s proprietary TEPI Patch technology, it provides exceptional adhesion, ensuring reliable and comfortable wear throughout daily activities. 


*
David Haddleton, Chief Scientific Officer at Medherant and Professor in the Department of Chemistry at University of Warwick said: “The success of this initial trial paves the way for our upcoming multiple-dose study which starts dosing before the end of the year. We remain committed to accelerating development to bring the testosterone TEPI Patch to market swiftly and to deliver the adhesion and comfort that women deserve.”



  • Returns testosterone levels to within the normal pre-menopausal range
  • Excellent wearability and tolerability, with strong and consistent performance across doses
  • Multiple dose study to start Q4 2025
  • Potential first-in-class patch for testosterone delivery for women





Coventry, UK, 22nd October 2025 / Sciad Communications / Medherant, a University of Warwick spin-out company and innovator in transdermal drug delivery, today announces positive results from its initial Phase 1 clinical trial of its testosterone patch for post-menopausal women.

The study, conducted at Hammersmith Medicines Research (HMR) in London, demonstrated that Medherent’s TEPI Patch
® effectively delivers testosterone through the skin, restoring blood levels to the normal pre-menopausal range. This marks a step towards giving women a simple, discreet and effective hormone therapy option that does not yet exist.

Testosterone naturally declines as women age. Combined with other hormonal changes at the menopause, this drop contributes to the symptoms many women suffer, including hypoactive sexual desire disorder (HSDD), a condition characterised by distressingly low libido. HSDD is estimated to affect more than 1 in 3 menopausal women and significantly impacts their quality of life and well-being.

Medherant’s patch could become the first-in-class testosterone patch developed specifically for women.  Built on the company’s proprietary TEPI Patch technology, it provides exceptional adhesion, ensuring reliable and comfortable wear throughout daily activities. 

Medherant has secured approval from both the MHRA and the Research Ethics Committee for its clinical trial application to initiate the next multiple-dose pharmacokinetic clinical study, a follow-up study testing repeated doses, which is due to start dosing later this year. This study focuses on advancing the development of the TEPI Patch as a treatment for HSDD, marking significant progress towards a safe, effective and accessible treatment option for women affected by this condition.

In addition to these clinical studies, Medherant has obtained scientific advice from both the MHRA and the Swedish Medical Products Agency to inform the regulatory strategy for the product’s registration in UK and across the EU.

“These latest results represent another major step in the development of the testosterone TEPI Patch to address a significant condition faced by many post-menopausal women,” says Karolina Afors, Medherant’s Medical Director. “Our patch technology will provide women with a superior and convenient treatment option for testosterone as part of menopause hormone therapy.”  

David Haddleton, Chief Scientific Officer at Medherant and Professor in the Department of Chemistry at University of Warwick said: “The success of this initial trial paves the way for our upcoming multiple-dose study which starts dosing before the end of the year. We remain committed to accelerating development to bring the testosterone TEPI Patch to market swiftly and to deliver the adhesion and comfort that women deserve.”

“We are delighted to be moving forward with the development of our testosterone patch, bringing us closer to offering women a truly needed and transformative treatment option,” added Medherant’s CEO John Burt.

With continued clinical progress, strong regulatory support and further funding having recently been provided by its investors, Medherant is well positioned to deliver a uniquely available therapy that addresses a clear unmet global need. The testosterone TEPI Patch represents not just a breakthrough in hormone therapy delivery, but a meaningful step toward improving quality of life for millions of women worldwide.
 

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Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

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The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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