Oligoasthenoteratozoospermia
MONDO:0850098A form of male infertility that is characterized by a combination of low number or oligozoospermia, poor motility or asthenozoospermia, and abnormal shape or teratozoospermia of sperms. OAT is the most common cause of male subfertility.
14 clinical trials for this condition and its sub-types.
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Could probiotics boost sperm quality? new trial aims to find out
Disease control Recruiting nowThis study tests whether taking probiotics daily for about 100 days can improve sperm count, movement, and shape in men with infertility. Sixty men aged 20 to 45 will be randomly assigned to receive either probiotics or a placebo. Researchers will measure sperm quality at the sta…
Phase: NA • Sponsor: Mackay Memorial Hospital • Aim: Disease control
Last updated Jun 27, 2026 08:11 UTC
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Researchers decode ancient medicine patterns for male fertility
Knowledge-focused Recruiting nowThis observational study aims to identify and classify Traditional Medicine (TM) syndromes in men aged 18 to 60 with male infertility and oligoasthenoteratozoospermia (OAT) syndrome. Researchers will first review TM literature to list symptoms, then survey 300 participants and us…
Sponsor: University of Medicine and Pharmacy at Ho Chi Minh City • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:07 UTC
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Scientists probe gene behind male infertility and cystic fibrosis
Knowledge-focused Recruiting nowThis observational study aims to understand how the CFTR gene is regulated in epididymal cells, which may help explain male infertility linked to cystic fibrosis. Researchers will collect leftover tissue samples from 20 men already scheduled for surgery. No extra procedures are n…
Sponsor: University Hospital, Brest • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:03 UTC
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New sperm-boosting method tested in 300 men
Knowledge-focused Recruiting nowThis study tests a new lab technique called HyperSperm to see if it can make sperm move better and stay healthy. Researchers will collect semen samples from 300 men with different fertility issues and compare the new method to the standard one. The goal is to find a safer and mor…
Sponsor: Fecundis Lab SL • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:08 UTC