Quadrosilan is is a synthetic nonsteroidal estrogen that was developed in the 1970s and that is or has been used as an antigonadotropic agent in the treatment of prostate cancer. It is an organosilicon compound and is also known as 2,6-cisdiphenylhexamethylcyclotetrasiloxane. Quadrosilan has estrogenic activity equivalent to that of estradiol and can produce feminization and gynecomastia as side effects in male patients.

Trenbolone is an anabolic steroid. It is used on livestock to increase muscle growth and appetite. Trenbolone compounds have a binding affinity for the androgen receptor three times as high as that of testosterone. Once metabolized, the drugs have the effect of increasing nitrogen uptake by muscles, leading to an increase in the rate of protein synthesis. It also has the secondary effects of stimulating appetite, reducing the amount of fat being deposited in the body, and decreasing the rate of catabolism. Short-term side effects include insomnia, high blood pressure, increased aggression, night sweats, and libido.

Isoflupredone is a veterinary drug used in cows, pigs and horses for the treatment of wide range of conditions: ketosis, musculoskeletal disorders, hypersensitivity, infections, inflammatory diseases, etc. The drug belongs to the class of corticosteroids and exerts its therapeutic effect by binding to glucocorticoid and mineralocorticoid receptors of animals.

Trimegestone is a 19-norpregnane progestin. It has a potent progesterone receptor and very low androgen receptor affinities but no detectable affinity to oestrogen receptor. Trimegestone has been developed for use in conjunction with oestrogen and 17-beta-estradiol for postmenopausal hormone replacement therapy. In vitro studies have shown that trimegestone can inhibit cytochrome P450 2C19 (CYP2C19). Although its clinical importance is unknown, trimegestone can moderately elevate the plasma concentration of drugs metabolized through CYP2C19, such as citalopram, imipramine and diazepam. Trimegestone is an effective and well-tolerated new progestin, which does not negate the beneficial effects of oestrogen on lipids.

Cloprednol is a steroid, which was used for the treatment of asthma. The exact mechanism of cloprednol action is unknown. The drug was marketed under several names, including Syntestan and Cloradryn, however, its current marketing status is unknown and supposed to be discontinued.

Norgestomet is a synthetic derivative of progesterone with improved oral activity due to its 17α-acetate side chain. In veterinary medicine norgestomet is used for the synchronisation of oestrus in cattle. It is administered as a subcutaneous ear implant (containing 3 mg norgestomet; to be removed after 9 to 10 days), in combination with a single intramuscular injection containing 3 mg norgestomet and 5 mg oestradiol valerate. The injection is to be given immediately after application of the implant. Norgestomet is not used in human medicine. It is a steroidal progestin of the 19-norprogesterone group.

Medrogestone is a progesterone derivative used for the treatment of progesterone deficiency, especially those observed in the premenopausal period, haemorrhages and menorrhagia of fibroids, endometriosis, menstrual cycle disorders, etc. The drug acts by binding and activating progesterone receptors. In Europe, medrogestone is available under the name Colprone, however it is no longer marketed in the USA, Germany and Austria.

Amadione is a steroidal progestogenic antiandrogen. Its anti-androgenic properties were confirmed by blockade of androgen-induced increase in seminal acid phosphatase content.

NS-3 (montirelin, CG 3703) is an analog of thyrotrophin releasing hormone (TRH). More potent and longer acting than TRH, CG-3703 produced beneficial effects in animal models of concussion-induced unconsciousness, cerebral ischemia, memory disruption, spontaneous convulsions in rats, narcolepsy, and spinal trauma. Given its efficacy in these models, the potential indications were broadened to include seizures, nerve trauma, cognitive dysfunction, and sleep apnea.