Ovarian dysfunction

This study looks at how hormone replacement therapy (HRT) affects adolescents aged 11-19 with premature ovarian insufficiency (POI), a condition where ovaries stop working before age 40. Participants receive estrogen patches and progesterone pills over 2 years, with regular check…

This phase 3 trial compares a once-weekly growth hormone injection (lonapegsomatropin) to a daily one (somatropin) in 186 prepubertal children with growth failure due to Turner syndrome, SHOX deficiency, being small for gestational age, or idiopathic short stature. The goal is to…

This study tests whether a traditional Chinese herbal formula (Bu Shen Yi Qi) combined with the hormone DHEA can improve ovarian function in women with diminished ovarian reserve. 74 women aged 20-40 will receive either the herbal formula plus DHEA or a placebo plus DHEA for 12 w…

This early-stage trial tests a drug called atipeksen for people with Ataxia-Telangiectasia (A-T), a rare genetic disease that affects movement and coordination. The drug is designed to fix a specific genetic error in the ATM gene and is given via spinal injection. The study will …

This study tests vosoritide, a protein that stimulates bone growth, in 30 children with Noonan syndrome who are not growing well despite growth hormone treatment. The goal is to see if vosoritide can safely increase their growth rate over six months. Participants will receive one…

This study tests whether an immunomodulatory drug (rituximab) can improve or normalize ovarian function in women aged 18-38 with autoimmune premature ovarian insufficiency (POI). Participants receive either rituximab or a placebo, and those who respond may undergo IVF. The goal i…

This program provides an experimental drug, levacetylleucine, to people with Ataxia-Telangiectasia (A-T), a rare genetic disease that affects movement and immunity. It is for patients who cannot join clinical trials and have no other good treatment options. The goal is to offer p…

This study tests whether a combination of light therapy on acupoints and a traditional Chinese medicine pill can improve ovarian function in women with diminished ovarian reserve (DOR). Ninety women aged 25-40 will be split into three groups: light plus placebo, light plus Chines…

This study tests a new drug called TCC1727 combined with other medicines (benmelstobart, olaparib, or topotecan) in people with advanced solid tumors, including lung, stomach, endometrial cancer, and melanoma. The goal is to find the safest dose and see if the combination helps s…

This study tests whether using the hormone dydrogesterone (taken as a pill) alongside standard fertility injections can help women with low ovarian reserve collect more eggs for IVF. The trial compares this approach to the usual GnRH antagonist protocol. Researchers will track pr…

This study tests whether a dietary supplement made from royal jelly (MRJPs) can improve ovarian function and the thickness of the uterine lining in women with diminished ovarian reserve or thin endometrium. Sixty-six women aged 20 to 45 will take either the supplement or a placeb…

This study tests whether transplanting a woman's own frozen ovarian tissue can restore fertility after cancer treatment. Ten women who became infertile due to chemotherapy or radiation will receive the transplant. The goal is to see if they can get pregnant and have normal menstr…

This study is tracking 2,600 Chinese children with growth disorders who are receiving a long-acting growth hormone injection. The goal is to see how well it works and how safe it is over the long term in real-world settings. Researchers will measure changes in height and look for…

This study looks at two ways of taking progesterone for teens with Turner syndrome who are on hormone replacement therapy. One group takes progesterone for 12 days each month, the other takes it every day. Researchers will track bleeding patterns and how the teens feel, to see wh…

This pilot study is testing whether eating fermented poi every day for four weeks can improve the gut health of pregnant women and lower their risk of developing gestational diabetes. Fifty pregnant women between 10 and 24 weeks will eat one pound of poi daily and receive nutriti…

This study is creating and testing a nurse-led program for women who experience early menopause after cancer. The program includes personalized education, decision support, and skills to manage menopause symptoms. About 117 women who have completed cancer treatment will take part…

This study tests small hormone implants placed under the skin to relieve menopause symptoms like hot flashes, low mood, and sexual problems. It includes 140 women with natural menopause, early ovarian failure, or menopause from cervical cancer treatment. Researchers will check ho…

This study at the National Institutes of Health is looking at 1,000 adults with known or suspected hormone gland (endocrine) disorders. The goal is to better understand these conditions and help train doctors. Participants may receive tests, treatments, or surgery as part of thei…

This study collects and stores ovarian tissue from females aged 4 to 35 who choose to freeze a sample before cancer treatment that could harm their fertility. Researchers will also gather medical data and annual surveys for up to 30 years. The goal is to build a national database…

This study enrolls up to 15,000 children with known or suspected endocrine or metabolic disorders, along with their family members. Researchers will collect medical records, blood, saliva, and other samples to identify genetic changes linked to these conditions. The goal is to be…

This study looks at whether freezing ovarian tissue can help preserve fertility in people aged 2-21 with conditions like Turner syndrome, galactosemia, or premature ovarian insufficiency. Participants may have surgery to remove and freeze a gonad, with a small piece used for rese…

This study surveys women under 40 with lupus who are starting cyclophosphamide, a drug that can damage ovaries and cause infertility. Some received an additional drug called GnRHa to protect their ovaries. Researchers will compare menstrual health and fertility between those who …

This study is observing 400 people aged 12 and older who have noncirrhotic portal hypertension (NCPH) or are at risk for it. NCPH is a liver condition that increases blood pressure in the liver's blood vessels without causing cirrhosis, and often has no early symptoms. Researcher…

This study follows 1080 women diagnosed with premature ovarian insufficiency (POI) before age 40. Researchers will track their health over time, including bone density, hormone levels, and mental well-being. The goal is to identify risk factors and understand how POI affects over…

This study aims to create a large genetic database of people with Turner syndrome, a rare condition where a person is missing all or part of an X chromosome. Researchers want to compare the genes of women with Turner syndrome who are fertile with those who are not. Up to 500 part…

This study enrolls adults with known or suspected endocrine (hormone gland) disorders, such as diabetes or thyroid disease, to help researchers learn more about these conditions. Participants will undergo medical exams, blood and imaging tests, and possibly genetic testing. The m…

This study follows 120 women aged 35-50 who are having their ovaries removed (oophorectomy) for non-cancer reasons. Researchers will track changes in quality of life, heart health, brain function, and body fat over one year. Some women may start hormone therapy as part of routine…

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study aims to find genes that may cause infertility in people with non-obstructive azoospermia (low or no sperm) or primary ovarian insufficiency (early menopause). Researchers will collect saliva samples from 500 adults to look for genetic differences. No new treatments are…

This study is creating a huge collection of ultrasound images from the uterus and ovaries. Researchers will gather scans from 25,000 women, both healthy and with gynecological conditions, during routine checkups. The goal is to build a database that doctors and artificial intelli…

This study follows 60 girls and women with classic galactosemia, a rare genetic condition that affects how the body processes sugar. Researchers want to understand why many develop early ovarian failure and how puberty progresses. By tracking hormone levels and growth, they hope …

This study aims to understand why people with Turner syndrome often lose their hearing. Researchers will look at genetic and epigenetic markers in 150 adults aged 18-60. Participants will have hearing, balance, blood, and imaging tests. The goal is to find new ways to treat or de…

This study follows 93 women with Turner syndrome who wanted to become parents. Researchers will track how many succeeded through natural pregnancy, egg donation, or adoption. The goal is to understand the real-world chances of parenthood for these women.

This study looks at how early menopause (before age 45) affects the nerves that control blood pressure. Researchers will measure nerve activity and blood pressure in 160 women aged 35-70. The goal is to understand why these women may have higher blood pressure and find ways to he…

This study at Strasbourg University Hospital surveys 20 teenage girls (ages 11-18) with female hypogonadism and their parents to assess their knowledge of hormone replacement therapy. The goal is to identify gaps in understanding so that better educational workshops can be design…

This study looks at how things in your environment—like pollution, chemicals, diet, and sleep—might affect your hormones and reproductive health. Researchers will follow 300 people aged 8 and older who have conditions like low or high hormone levels, early or late puberty, or inf…

This study looks at how early menopause (premature ovarian insufficiency) affects the heart's electrical signals, which can raise the risk of dangerous heart rhythms. Researchers will compare 120 women with and without this condition, and also check how hormone replacement therap…