Clinical trials: Spermatogenesis
Klinefelter Syndrome
Fertility Preservation in Cases of Klinefelter Syndrome.
Klinefelter Syndrome (KS) is the most common sex chromosomal abnormalities (1/600 newborn males), and is characterized by a hypergonadism hypogonadism.
- Trial name
- FERTIPRESERVE (NCT01918280)
- Testing
- Seminal analyses and testicular biopsy
- Where
- 4 sites in France
- Volunteers
- 141 people
- Sponsor
- Hospices Civils de Lyon
Abnormal Spermatogenesis, Azoospermia
Study of Synapsis and Recombination in Male Meiosis and the Implications in Infertility
The aim of this study was to assess meiotic recombination in primary spermatocytes, synaptonemal complex length and the correlation with chromosomal abnormalities in testicular spermatozoa from infertile men with idiopathic…
- Trial name
- NCT02339272
- Testing
- non interventional
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- Igenomix
Klinefelter Syndrome
Fertility Assessment in Patients With Klinefelter Syndrome
Klinefelter syndrome is characterized by primary testicular failure and progressive infertility. The objective of this study is to determine if sperm are present and can be observed in semen samples of adolescent and young adult…
- Trial name
- NCT02461303
- Testing
- Counseling
- Where
- 2 sites in United States
- Volunteers
- 6 people
- Sponsor
- University of Pittsburgh
Oligospermia, Azoospermia
Genetic Studies Spermatogenic Failure
The proposed study is designed to test the following hypotheses: 1. Mouse autosomal or X-linked genes which are exclusively expressed in mouse spermatogonia are also spermatogonia-specific in human. 2.
- Conditions
- Oligospermia, Azoospermia, Male Infertility
- Trial name
- NCT00548977
- Testing
- Drawing blood to study genetic polymorphism
- Where
- Taiwan
- Volunteers
- 283 people, healthy volunteers welcome
- Sponsor
- National Cheng-Kung University Hospital