Fezolinetant (ESN-364) is an antagonist of the neurokinin-3 receptor. It suppresses the hypothalamic-pituitary-gonadal axis. Ogeda is developing fezolinetant for the treatment of hot flashes (vasomotor symptoms) in postmenopausal women.

Otesaconazole (previously known as VT-1161), an antifungal agent, is an oral inhibitor of fungal lanosterol demethylase (CYP51) but did not inhibit human CYP51. Inhibition of CYP51 results in the accumulation of chemicals known to be toxic to the fungus. CYP51 is the molecular target of the class of drugs referred to as 'azole antifungals'. Mycovia pharmaceuticals initiate enrolment in a phase III trial for the treatment of patients with recurrent vaginal candidiasis (yeast infection). In vitro and in vivo pharmacology studies have demonstrated that the drug is highly active against dermatophytes that cause onychomycosis. Viamet successfully completed phase II clinical trials were was studied the efficacy and safety of oral otesaconazole in patients with onychomycosis of the toenail. In addition, Viamet has completed phase II clinical trial, where was studied the efficacy and safety of otesaconazole in patients with moderate-severe interdigital tinea pedis.

Testosterone is a steroid sex hormone found in both men and women. In men, testosterone is produced primarily by the Leydig (interstitial) cells of the testes when stimulated by luteinizing hormone (LH). It functions to stimulate spermatogenesis, promote physical and functional maturation of spermatozoa, maintain accessory organs of the male reproductive tract, support development of secondary sexual characteristics, stimulate growth and metabolism throughout the body and influence brain development by stimulating sexual behaviors and sexual drive. In women, testosterone is produced by the ovaries (25%), adrenals (25%) and via peripheral conversion from androstenedione (50%). Testerone in women functions to maintain libido and general wellbeing. Testosterone exerts a negative feedback mechanism on pituitary release of LH and follicle-stimulating hormone (FSH). Testosterone may be further converted to dihydrotestosterone or estradiol depending on the tissue. The effects of testosterone in humans and other vertebrates occur by way of two main mechanisms: by activation of the androgen receptor (directly or as DHT), and by conversion to estradiol and activation of certain estrogen receptors. Free testosterone (T) is transported into the cytoplasm of target tissue cells, where it can bind to the androgen receptor, or can be reduced to 5α-dihydrotestosterone (DHT) by the cytoplasmic enzyme 5α-reductase. DHT binds to the same androgen receptor even more strongly than T, so that its androgenic potency is about 2.5 times that of T. The T-receptor or DHT-receptor complex undergoes a structural change that allows it to move into the cell nucleus and bind directly to specific nucleotide sequences of the chromosomal DNA. The areas of binding are called hormone response elements (HREs), and influence transcriptional activity of certain genes, producing the androgen effects. Testosterone is used as hormone replacement or substitution of diminished or absent endogenous testosterone. Use in males: For management of congenital or acquired hypogonadism, hypogonadism associated with HIV infection, and male climacteric (andopause). Use in females: For palliative treatment of androgen-responsive, advanced, inoperable, metastatis (skeletal) carcinoma of the breast in women who are 1-5 years postmenopausal; testosterone esters may be used in combination with estrogens in the management of moderate to severe vasomotor symptoms associated with menopause in women who do not respond to adequately to estrogen therapy alone.

GLPG-0492, an orally available selective androgen receptor modulator (SARM) was tested in a Phase I Proof of Mechanism study to assess the effect on muscle function in healthy volunteers. A biomarker effect similar to that of Oxandrolone was observed, but the data were insufficient for Galapagos to pursue GLPG-0492 further in cachexia, and further development of the compound was discontinued. GLPG-0492 is currently under development for musculo-skeletal diseases such as sarcopenia and Duchenne muscular dystrophy.

Orteronel (TAK-700) is a non-steroidal antiandrogen, discovered by Takeda Pharmaceutical Company Limited, that selectively inhibits the 17,20 lyase enzyme (CYP17A1). This enzyme, which is present in both the testes and adrenal glands, is central to the production of steroidal androgens. Synthesis of androgens outside the testes contributes to disease progression in castration-resistant prostate cancer (CRPC). In phase III of clinical trials for metastatic, hormone-refractory prostate cancer it wasn’t shown overall survival rates, and development was voluntarily terminated as a result.