Clinical trials: Semen Analysis, active
Childhood Cancer, Hematological Disorders
Fertility in Young Adults Who Did (Not) Store Testicular Tissue Before a Treatment Leading to Fertility Problems
The goal of this prospective comparative interventional cohort study is to assess the fertility status of young adult men (≥18 years) who received gonadotoxic treatment during childhood for the treatment of cancer or…
- Trial name
- NCT04202094
- Testing
- Physical examination, Scrotum ultrasound, Blood sample
- Where
- Belgium
- Volunteers
- 50 people
- Sponsor
- Universitair Ziekenhuis Brussel
Varicocele, Male Infertility
Effect of Varicocelectomy on Spermatogenic Cell Count and Semen Parameters
This study aims to evaluate how varicocele surgery (varicocelectomy) affects the number of immature sperm cells (spermatogenic cells) found in the semen of infertile men.
- Conditions
- Varicocele, Male Infertility, Infertility, Varicocelectomy
- Trial name
- NCT07684963
- Testing
- Subinguinal Microsurgical Varicocelectomy
- Volunteers
- 40 people
- Sponsor
- Assiut University
Aging, Epigenetic Aging
Human Sperm Cryopreservation as an Alternative to the Decline of Sperm Quality With Aging
This observational study will evaluate whether sperm cryopreservation can help preserve sperm quality and molecular characteristics that may be affected by increasing paternal age.
- Conditions
- Aging, Epigenetic Aging, Infertility, Assisted Reproduction Technologies
- Trial name
- NCT07814235
- Where
- Spain
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- IVI Murcia
Semen Analysis, Male Infertility
YO® Smartphone Home Sperm Test Versus Manual Semen Analysis in Egyptian Men
This study compares the YO® Home Sperm Test, a smartphone-based semen testing device, with conventional manual semen analysis performed according to the World Health Organization (WHO) 6th edition laboratory manual.
- Trial name
- NCT07880288
- Testing
- YO® Home Sperm Test, Manual Semen Analysis (WHO 6th Edition)
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Armed Forces College of Medicine, Cairo, Egypt
Reproductive Issues, Fertility Issues
Towards Optimal Fertility, Fathering and Fatherhood studY
This case-control study involving fertile and subfertile couples aims to identify male factors related to pregnancy likelihood, create a fertility index measure combining male and female factors to predict pregnancy likelihood…
- Trial name
- TOFFFY (NCT06293235)
- Testing
- Lifestyle and metabolic indicators
- Where
- Singapore
- Volunteers
- 960 people, healthy volunteers welcome
- Sponsor
- KK Women's and Children's Hospital
Varicocele
Internal Spermatic Vein Histopathology in Patients Undergoing Varicocelectomy
Varicocele is an enlargement of the veins around the testicle and may affect male fertility. This prospective observational study will include men with varicocele who are undergoing varicocelectomy.
- Trial name
- NCT07836413
- Volunteers
- 70 people
- Sponsor
- Assiut University
Varicocele, Male Infertility
Selective Extended Venous Stripping Versus Standard Microsurgical Varicocelectomy for Varicocele-Related Male Infertility
Varicocele is a common correctable cause of male infertility and may be associated with abnormal semen parameters, impaired testicular function, and scrotal discomfort.
- Trial name
- NCT07605351
- Testing
- Microsurgical Subinguinal Varicocelectomy With Selective Extended Venous Stripping, Standard Microsurgical Subinguinal Varicocelectomy With Conventional Vein Ligation
- Where
- Egypt
- Volunteers
- 160 people
- Sponsor
- Benha University
Infertility, Male, Infertility
Measuring Free Radicals in Human Sperm Cells Related to Microbiota and Lifestyle Factors
The cause of infertility can be due to a female factor or a male factor. In case of a male factor, it is often due to poor semen quality. However, the cause of poor quality is often unknown.
- Trial name
- SIRIUS (NCT05514223)
- Testing
- Biomaterial collection for observational purpose
- Where
- Netherlands
- Volunteers
- 80 people
- Sponsor
- University Medical Center Groningen
Chikungunya Virus Infection
Chikungunya Virus Detection in Semen
Chikungunya is an arboviral disease transmitted by Aedes mosquitoes, present in intertropical zones and Europe. In August 2024, autochthonous cases appeared on Réunion, followed by a large epidemic.
- Trial name
- CHIKSPERM (NCT06983548)
- Testing
- semen, blood and urine tests
- Where
- 2 sites in France
- Volunteers
- 15 people
- Sponsor
- University Hospital, Toulouse
Varicocele
Evaluation of Fertitonex Effects on Semen Parameters in Clinical Varicocele Patient.
The aim of the study is to evaluate the Fertitonex effects on semen parameters in clinical varicocele patients.
- Trial name
- NCT06718426
- Testing
- Fertitonex capsule
- Where
- Egypt
- Volunteers
- 110 people
- Sponsor
- Menoufia University
Semen Analysis, ICSI
Evaluating the Utility of Implementing Microfluids for Sperm Preparation Compared to Conventional Method of Density Gradient Centrifugation in a PGT-A Program: a Sibling Oocyte Study
In assisted reproductive technology (ART), sperm preparation aims to select the most viable sperm for ICSI. Unlike conventional methods like density gradients or sperm washing, microfluidic techniques mimic natural selection in…
- Conditions
- Semen Analysis, ICSI, PGT-A
- Trial name
- NCT07093619
- Testing
- FERTILE Plus
- Where
- United Arab Emirates
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
Congenital Adrenal Hyperplasia (CAH)
Fertility And Sexual Function In CAH: CALLIOPE
This is a multicenter study designed to assess the effects of groundbreaking CAH therapies on a spectrum of clinical and biochemical outcomes, with a special emphasis on reproductive and sexual health.
- Trial name
- CALLIOPE (NCT07099456)
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- University of Roma La Sapienza
Cancer, Treatment-Related, Late Effect
Testicular Function and Semen Quality in Male Childhood and Adolescent Cancer Survivors
Cancer treatment can affect the testicular function, including sperm and hormonal functions. The aim of this study is to assess the testicular function and semen quality in young men who recover from childhood and adolescent…
- Conditions
- Cancer, Treatment-Related, Late Effect, Semen Analysis
- Trial name
- NCT06587477
- Testing
- Hormonal profile, Semen analysis, Questionnaire
- Where
- China
- Volunteers
- 200 people
- Sponsor
- The University of Hong Kong
Oligoasthenozoospermia, Male Infertility
Impact of tdrd9 Gene Mutations in the Therapeutic Response to L-carnitine in Oligoasthenozoospermic Men
Infertility remains a significant global burden. Estimates suggest that 10-15% of couples worldwide experience infertility, with male infertility being the underlying cause in 20-50% of cases.
- Trial name
- NCT07402759
- Testing
- L-carnitine
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- South Valley University