Hypogonadism

This study tests whether tamoxifen, a drug commonly used for breast cancer, can speed up testosterone recovery in men with prostate cancer who have completed hormone therapy (ADT). Many men experience low testosterone for months or years after stopping ADT, causing fatigue, depre…

This phase 3 study tests a new weekly growth hormone injection (inpegsomatropin) against an existing one (givopegsomatropin) in 84 girls with Turner syndrome who have short stature. The goal is to see which works better for increasing growth over 52 weeks. Participants are prepub…

This study tests whether giving men with low testosterone and no sperm in their ejaculate a combination of two hormones (hCG and FSH) can help them produce usable sperm for IVF. About 860 men will either receive the hormone therapy or standard care for 16 weeks. The goal is to se…

This study tests whether testosterone implants placed under the skin can safely and effectively raise testosterone levels in men with low testosterone (hypogonadism). Thirty men will receive four implants and be monitored for six months. The goal is to see if this method provides…

This study tests a new medicine called GenSci134, a long-acting growth hormone, in 128 children with growth hormone deficiency (GHD). The goal is to find the best dose and see if it is safe and helps children grow taller. In the first part, children get one shot of GenSci134; in …

This study looks at whether testosterone replacement therapy (TRT) is safe for men with low-risk prostate cancer who also have low testosterone. Researchers will monitor 35 men for 12 months to see if the cancer gets worse or if they need stronger treatment. The goal is to help m…

This trial tests two ways of giving estrogen to girls and young women with Turner syndrome to help them start puberty. Participants will be randomly assigned to use either an estrogen gel applied to the skin or an estrogen tablet taken by mouth for 19 months. The study will compa…

This study will test whether a testosterone injection (testosterone cypionate) affects blood pressure in men with low testosterone. About 144 men will receive the injection every two weeks for 14 weeks, and their blood pressure will be monitored continuously for 24 hours. The goa…

This study tests an oral medicine called GS3-007a for children with growth hormone deficiency. In the first part, kids receive different doses or a placebo for 14 days to check safety. In the second part, they take the chosen dose or a standard injection for 52 weeks to see how w…

This phase 2 trial tests a new testosterone spray (HypoSpray) in 48 men with low testosterone. Participants receive one of four doses daily for 7 days. The goal is to measure how testosterone levels change and check for skin reactions. Results will guide future, longer studies.

This study looks at whether a natural supplement called D-Chiro-inositol can help men aged 50 to 75 who have low testosterone (functional hypogonadism) and related sexual issues. Over 3 months, 35 men will take the supplement to see if their hormone levels and sexual function imp…

This study tests whether giving testosterone to frail men aged 70 and older with low testosterone can improve their strength, balance, and mental well-being, and reduce their risk of falling. About 96 men who are too weak for strength training will receive either testosterone or …

This study tests a daily testosterone gel to see if it can safely improve sexual interest and arousal in women going through menopause. Researchers will compare the gel to a placebo in 150 women aged 40-65 who have been diagnosed with low sexual desire. The goal is to provide a m…

This study tests an experimental drug called BMB-101 in 16 adults with Prader-Willi syndrome who struggle with severe, constant hunger. The trial is double-blind and placebo-controlled, meaning some participants get the drug and some get a dummy treatment, and neither they nor th…

This study will examine 600 men aged 35-59 in Uzbekistan to find out which physical, lifestyle, and emotional factors are linked to low testosterone. Participants will have blood tests, physical measurements, and complete questionnaires. The goal is to create a model that helps d…

This study looks at whether a testosterone lotion applied to men's skin can transfer to women through casual contact. Researchers will measure testosterone levels in the blood of female partners after skin-to-skin contact. The goal is to understand if the lotion is safe for use a…

This study will follow 300 Belgian children with growth hormone deficiency for three years to see how their bodies respond to daily or weekly growth hormone shots. Researchers will measure growth, weight, blood sugar, fats, and other health markers. The goal is to understand whic…

This study looks at 40 infertile men with varicoceles (enlarged veins in the scrotum) to see if blood flow measurements in the testicles can predict how well they will respond to surgery. Participants will have ultrasound and blood tests before and three months after a standard m…