Clinical trials: Cryptozoospermia
Klinefelter Syndrome, Hypergonadotropic Hypogonadism
Androgen for Leydig Cell Proliferation
Patients with infertility often presents alterations at ultrasonographic examination of the testis. These alterations include a much higher incidence of small, multiple, non-palpable hypoechoic micro-nodules that can show…
- Conditions
- Klinefelter Syndrome, Hypergonadotropic Hypogonadism, Hypergonadotropic Azospermia, Hypergonadotropic Cryptozoospermia
- Trial name
- ALCeP (NCT01206270)
- Testing
- Testosterone undecanoate, Castor Oil
- Where
- Italy
- Volunteers
- 56 people
- Sponsor
- University of Roma La Sapienza
Microdissection Testicular Sperm Extraction
Timing of Oocyte Retrieval and Micro Testicular Sperm Extraction
This is a retrospective study to assess outcomes of micro-TESE performed 24 or 48 hours before oocyte retrieval and ICSI.
- Trial name
- NCT07268235
- Where
- Canada
- Volunteers
- 129 people
- Sponsor
- Clinique Ovo
Azoospermia, Nonobstructive
The Effects of Intratesticular PRP Injection in Men With Azoospermia or Cryptozoospermia
The study will be conducted in men with a diagnosis of non-obstructive azoospermia or cryptozoospermia after obtaining written informed consent.
- Trial name
- NCT04237779
- Testing
- PRP injection into at least one testis
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people
- Sponsor
- Acibadem University
Beta-hCG Positivity, Clinical Pregnancy
Evaluation of Assisted Reproductive Technology (ART) Outcomes in Couples With Nonobstructive Azoospermia, Cryptozoospermia, and Severe Oligozoospermia
This study aims to compare the In Vitro Fertilization (IVF/ICSI) outcomes of patients with a sperm concentration of <5 million/mL (severe oligozoospermia) and <1 million/mL (cryptozoospermia) to those diagnosed with…
- Conditions
- Beta-hCG Positivity, Clinical Pregnancy, Miscarriage, Multiple Pregnancy
- Trial name
- ART (NCT07897279)
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Duzce University
Cryptozoospermia
Varicocelectomy for Cryptozoospermic Men.
Patient Information leaflet on varicoceles surgery
- Trial name
- NCT07759713
- Testing
- Varicoceles ligation
- Where
- Egypt
- Volunteers
- 69 people
- Sponsor
- Sohag University
Azoospermia, Nonobstructive, Cryptozoospermia
Maternal Inheritance of a Pathogenic MT-ND1 Mutation Causes Mitochondrial Dysfunction and Spermatogenic Failure in Men
Idiopathic non-obstructive azoospermia and cryptozoospermia are severe forms of male infertility in which sperm production is absent or extremely low and the cause is often unknown.
- Trial name
- MTND1-INA/C (NCT07691827)
- Where
- China
- Volunteers
- 1,200 people
- Sponsor
- The Third Affiliated Hospital of Guangzhou Medical University
Non Obstructive Azoospermia, Cryptozoospermia
Identifying Candidates for Limited Dissection at Microdissection TESE.
The goal of this retrospective observational study is to learn whether certain clinical characteristics can help predict which infertile men may successfully have sperm retrieved using a less-invasive "mini-incision" version of…
- Conditions
- Non Obstructive Azoospermia, Cryptozoospermia, Oligoasthenoteratozoospermia, Male Infertility
- Trial name
- NCT07286279
- Where
- Canada
- Volunteers
- 248 people
- Sponsor
- Clinique Ovo