Clinical trials: Spermatozoa
Healthy
Cryopreservation Medium With Apigenin on Post-thaw Human Sperm
The goal of this clinical trial is to compare the effect of apigenin supplementation in freezing medium with no apigenin supplementation in freezing medium on post-thaw human sperm motility.
- Trial name
- NCT06560216
- Testing
- Apigenin
- Where
- 2 sites in Thailand
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Exposure to Toxins from Smoking, Female Infertility
Presence of Toxins from Smoking in the Follicular Fluid of Women Undergoing Intracytoplasmic Sperm Injection Treatment
Smoking is associated with many adverse health effects like circulatory disorders, pulmonary diseases or heart diseases. It was also shown that smoking correlates with a significantly higher risk for miscarriage, preterm birth or…
- Trial name
- NCT03414567
- Where
- Germany
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Infertility Treatment Center Dortmund
Cannabis Use
Cannabis Use and Epigenetic Alterations in Human Male Sperm Cells
This is a follow-up project to a proof-of-concept study to determine if Cannabis use in male humans is associated with changes in deoxyribonucleic acid (DNA) methylation profile of sperm.
- Trial name
- NCT03614637
- Testing
- Cannabis use abstinence for 11 weeks
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Duke University
Infertility, Reproductive Issues
Impact of a Predetermined Day 5 ET vs. a Predetermined Day 6 ET on Clinical Pregnancy Rate After ICSI Treatment
The aim of this prospective multicenter study is to investigate the influence of a predetermined embryo transfer on day 6 compared to a predetermined embryo transfer on day 5.
- Trial name
- NCT06447077
- Where
- Germany
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- Infertility Treatment Center Dortmund
Male Contraception
First in Human Study Evaluating Single Ascending Oral Doses of YCT-529 in Healthy Males
A single ascending oral dose(s) study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of YCT-529 in healthy male subjects.
- Trial name
- NCT06094283
- Testing
- YCT-529
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- YourChoice Therapeutics, Inc.
Oligospermia, Teratospermia
Ramipril for the Treatment of Oligospermia
This is a randomized controlled trial to evaluate the effect of ramipril in stimulating and promoting sperm production in men with low sperm count.
- Conditions
- Oligospermia, Teratospermia, Asthenozoospermia, Male Infertility
- Trial name
- NCT01856361
- Testing
- Ramipril
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Contraception
Study of the Safety, and Sperm and Gonadotropin Suppression of a Contraceptive Gel in Normal Men
To determine the number of men who have suppression of sperm production when using a daily regimen of Nestorone® Gel (0, 8 or 12 mg) and Testosterone Gel applied transdermally.
- Trial name
- CCN007 (NCT00891228)
- Testing
- Testosterone, Nestorone®
- Where
- 2 sites in United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Premier Research
Sexual Desire
Effects of Glucagon-like-Peptide-1 Analogues on Sexuality
This study is to investigate the effects of GLP-1 analogues (combined with lifestyle interventions in comparison to lifestyle interventions only) on sexual desire, mood, quality of life, the reproductive axis, retinal vessel…
- Trial name
- Desire PLUS (NCT05598008)
- Where
- Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Semen Quality
Sperm Quality in Consecutive Sperm Samples After 4-7 Days and 2 Hours of Sexual Abstinence
The main purpose of the study is to assess to which degree a series of sperm parameters known to be associated with fertilization and implantation potential in artificial reproductive technology (ART) differ in consecutive sperm…
- Trial name
- NCT02667080
- Testing
- 2-7 days of Sexual abstinence, 2 hours of sexual abstinence
- Where
- Denmark
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Aalborg University
Male Infertility
Excision Versus Preservation of Spermatic Cord Lipoma Detected During Subinguinal Varicocelectomy
In the current study, the adult infertile patients with clinical varicoceles will be included. the patients will undergo subinguinal varicocelectomy.
- Trial name
- NCT06257459
- Testing
- subinguinal varicocelectomy
- Where
- Egypt
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tanta University
Male Infertility
A Novel Sperm Selection Method Provides Advantages Over Conventional Approaches
The goal of this clinical trial is to know if a novel sperm selection device (CA0) has a similar performance than the standard selection method in teratozoospermic and azoospermic men.
- Trial name
- NCT06545318
- Testing
- Density Gradient Centrifugation, CA0 chamber
- Where
- Mexico
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Center of Innovation Technology & Reproductive Medicine
Infertility Unexplained
Effect of Oral Zinc Sulfate Supplementation on Enzymes of Urate Pathway
Although many reports have investigated the relationship between subfertility and uric acid levels in semen, to the best of author knowledge, there is no study have been published to yet focus on the effects of asthenospermia…
- Trial name
- NCT03361618
- Testing
- Zinc Sulfate
- Where
- Iraq
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Babylon University
Infertility
Automation of Gamete Preparation, Intracytoplasmic Sperm Injection (ICSI), Embryo Culture, and Vitrification
Patients suffering from infertility may seek assisted conception treatment. In a full treatment cycle, the sperm and eggs (gametes) from the intended parents will be looked after by skilled laboratory staff (embryologists) who…
- Trial name
- NCT06074835
- Testing
- Gamete preparation, ICSI, embryo culture and vitrification robot assistant, Routine Manual ICSI Workflow
- Where
- Mexico
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Conceivable Life Sciences
Infertility
Adding Insulin to IVF Culture Media Significantly Improve Outcome
Add insulin to a single step culture media for IVF embryo culture from day 0 to day 5/6 of In Vitro culture and detect the the effect upon embryo quality and implantation potential.
- Trial name
- NCT02420171
- Testing
- Adding insulin to In Vitro culture media
- Where
- 2 sites in Egypt
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Ibn Sina Hospital
Erectile Dysfunction, Azoospermia
Trial to Evaluate Erectile Function, Fertility and Sperm Count in Male Cyclists Compared to Age Matched Controls
Bicycle riding is associated with related diverse urogenital symptoms ranging from genital numbness to erectile dysfunction (ED).
- Trial name
- NCT00282477
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Infertility, Male, Infertility Unexplained
Using of Testes Shocker in Improving the Spermatogenesis and Sperms Activity
Infertility was reported in approximately 15% of all heterozygous couples, with male factor accounting for nearly half the cases.
- Conditions
- Infertility, Male, Infertility Unexplained, Infertility Due to Complete Spermatogenic Arrest, Oligospermia
- Trial name
- NCT05506722
- Testing
- Testes shocker
- Where
- Iraq
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
in Vitro Fertilization, Ovulation Induction
Trial Comparing Start Stimulation of Recombinant Follicle Stimulating Hormone (rFSH) on Cycle Day 2 Versus Cycle Day 5 in In Vitro Fertilization (IVF)
Background of the study: Milder stimulation protocols have the advantage of being less expensive and more patient-friendly. Moreover, recent evidence suggests that mild stimulation protocols lead to lower embryo aneuploidy rates…
- Trial name
- LITE (NCT00823472)
- Testing
- Mild stimulation
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 147 people, healthy volunteers welcome
- Sponsor
- UMC Utrecht
Sperm DNA Fragmentation, Embryo Quality
Sperm Selection by Microfluidic Separation Improves Embryo Quality
This is a randomized controlled trial of couples with a history of poor embryo quality undergoing a repeat in vitro fertilization (IVF) cycle for unexplained infertility.
- Conditions
- Sperm DNA Fragmentation, Embryo Quality, Fertility Disorders, Infertility
- Trial name
- SPERM (NCT03085433)
- Testing
- Microfluidic Sperm Sorting, in vitro fertilization
- Where
- United States
- Volunteers
- 393 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Infertility
Sperms Activation by Direct Electrical Shocks on Testis in Infertile Males
Background : Up to 15 percent of couples are infertile. In up to half of these couples, male infertility plays a role. Male infertility is due to low sperm production, abnormal sperm function or blockages that prevent the…
- Trial name
- NCT04173052
- Testing
- Testis' shocker
- Where
- Iraq
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Male Infertility
Relationship Between Sperm Head Vacuoles and Sperm DNA Alterations in Infertile Men
In men presenting sperm alterations, the selection of genetically undamaged spermatozoa need to be improved in order to increase the success of assisted reproduction treatments.
- Trial name
- VATES (NCT02006446)
- Testing
- Sperm Samples
- Where
- 2 sites in France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Hospital, Rouen