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.
78 clinical trials for this condition and its sub-types.
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Can a common breast cancer drug and a supplement boost sperm quality?
Disease control CompletedThis study tested whether letrozole (a drug that lowers estrogen) and L-carnitine (a natural supplement) could improve sperm quality in 90 men with unexplained infertility. Participants took one of the treatments or a combination for three months. The goal was to see changes in s…
Phase: PHASE2, PHASE3 • Sponsor: Tehran University of Medical Sciences • Aim: Disease control
Last updated Jul 02, 2026 00:00 UTC
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Blood plasma boosts IVF success for men with Low-Quality sperm
Disease control CompletedThis study tested whether adding platelet-rich plasma (PRP) from a man's own blood to his sperm sample could improve embryo development during IVF. Researchers compared embryos from 66 men with severe sperm disorders, half treated with PRP and half without. The goal was to see if…
Phase: PHASE3 • Sponsor: Stella Maris Women and Children Hospital • Aim: Disease control
Last updated Jun 27, 2026 12:31 UTC
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Cheaper pill may work as well as costly shot for IVF success in endometriosis patients
Disease control CompletedThis study looked at 99 IVF patients with endometriosis (a condition where uterine-like tissue grows elsewhere) and a positive BCL6 test. It compared a cheap oral pill (norethindrone acetate) to an expensive injection (Depo Lupron) given before embryo transfer. The goal was to se…
Sponsor: Inception Fertility Research Institute, LLC • Aim: Disease control
Last updated Jun 27, 2026 12:07 UTC
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New IVF medium may help those with low fertilization rates
Disease control CompletedThis study tested a ready-to-use calcium ionophore medium (GM508 CultActive) on eggs from 68 IVF patients who had low fertilization rates, poor embryo quality, or were over 40. The medium was applied shortly after sperm injection to try to improve fertilization and embryo develop…
Phase: NA • Sponsor: Chang Gung Memorial Hospital • Aim: Disease control
Last updated Jun 27, 2026 11:03 UTC
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IVF hormone Add-On shows promise for live births
Disease control CompletedThis study tested whether giving a small daily dose of a hormone (human menopausal gonadotropin) after egg retrieval could improve the chance of a live birth in women undergoing IVF. 600 women aged 20-40 took part. The researchers compared live birth rates between those who got t…
Phase: PHASE4 • Sponsor: Cairo University • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
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New sperm device aims to improve embryo development in IVF
Disease control CompletedThis completed trial tested a new device called HyperSperm that prepares sperm for IVF or ICSI. Researchers compared it to standard sperm preparation in 41 couples. The goal was to see if the new method leads to more embryos reaching the blastocyst stage, which is key for success…
Phase: NA • Sponsor: Fecundis S.A. • Aim: Disease control
Last updated Jun 27, 2026 08:09 UTC
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New chip could pick healthier sperm for IVF
Disease control CompletedThis study tested a microfluidic chip that gently separates healthy, motile sperm from semen without harsh chemicals. Researchers compared it to the standard spinning method in 393 couples undergoing IVF for unexplained infertility. The goal was to see if the chip leads to higher…
Phase: NA • Sponsor: University of California, San Francisco • Aim: Disease control
Last updated Jun 27, 2026 08:07 UTC
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New IVF drug combo shows promise for better embryos
Disease control CompletedThis study tested a high dose of a fertility drug called follitropin delta, mixed with another hormone (hCG), in 118 women undergoing IVF. The goal was to see if this combination could improve the number of good-quality embryos. The study was completed and focused on women aged 1…
Sponsor: Clinique Ovo • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
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Ancient herbal tonic put to the test for male fertility
Disease control CompletedThis completed Phase 4 trial tested whether Guilu Erxian Oral Liquid, a traditional Chinese herbal remedy, can improve sperm count and movement in men with mild to moderate low sperm count or poor sperm motility. The study enrolled 360 married men aged 22 to 40 who also had a dia…
Phase: PHASE4 • Sponsor: DongE E Jiao Coporation Limited • Aim: Disease control
Last updated Jun 27, 2026 08:02 UTC
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New DNA tests could spot hidden chromosome flaws in infertility and developmental disorders
Diagnosis CompletedThis study tested two new technologies—optical genome mapping and long-read DNA sequencing—against standard chromosome tests in 350 people with infertility, intellectual disability, birth defects, or miscarriage. The goal was to see if these newer methods can find more chromosome…
Phase: NA • Sponsor: Institut National de la Santé Et de la Recherche Médicale, France • Aim: Diagnosis
Last updated Jun 27, 2026 14:01 UTC
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Walnuts may boost sperm quality, study finds
Symptom relief CompletedThis study tested whether eating two ounces of walnuts each day could improve sperm count, movement, and shape in men with fertility issues. 80 men took part, comparing walnuts to a standard multivitamin. The goal was to see if a simple diet change could help with natural or assi…
Phase: NA • Sponsor: University of California, Los Angeles • Aim: Symptom relief
Last updated Jun 27, 2026 11:00 UTC
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Could a sleep hormone boost IVF success?
Symptom relief CompletedThis study tested whether taking melatonin, a natural antioxidant, can improve egg quality and pregnancy rates in women undergoing IVF. Eighty infertile women received either melatonin or a placebo. Researchers measured melatonin levels in ovarian fluid and tracked egg maturation…
Phase: NA • Sponsor: University of Sao Paulo General Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 08:11 UTC
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AI-Powered embryo scoring could boost IVF success
Knowledge-focused CompletedThis study tested a device called the Alife Hera System, which uses a computer algorithm to score embryos based on images and patient information. The goal was to see if using this score alongside standard methods helps doctors choose the embryo most likely to result in a pregnan…
Phase: NA • Sponsor: Alife Health • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Fertility drug choice may impact IUI success, large study suggests
Knowledge-focused CompletedThis study reviewed 1251 intrauterine insemination (IUI) cycles at one hospital to see if the type of fertility drug used or the cause of infertility affected pregnancy rates. Participants were women aged 20-44 with normal ovulation and their partners with adequate sperm. The res…
Sponsor: Centre Hospitalier Universitaire, Amiens • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Sperm vacuoles may reveal hidden DNA damage
Knowledge-focused CompletedThis study looked at 200 men with sperm abnormalities to see if vacuoles (tiny holes) in the sperm head are linked to DNA damage. Researchers used high-powered microscopes and genetic tests to measure vacuole size and chromosome errors. The goal is to help doctors pick healthier …
Phase: NA • Sponsor: University Hospital, Rouen • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:06 UTC
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IVF debate: does less stimulation mean better embryos?
Knowledge-focused CompletedThis study looked at 110 women aged 35-40 with low ovarian reserve undergoing IVF. Half received a mild stimulation (clomiphene plus low-dose hormones) and half received a stronger stimulation (higher-dose hormones). The goal was to see which approach led to more good-quality bla…
Phase: PHASE4 • Sponsor: Fundación Santiago Dexeus Font • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:08 UTC
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Frozen embryo transfers may boost IVF success, study finds
Knowledge-focused CompletedThis study looked at whether using frozen embryos instead of fresh ones in IVF leads to more live births. 237 women took part, and researchers compared pregnancy rates and baby health. The goal was to see if freezing embryos helps the womb lining work better.
Phase: NA • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:02 UTC
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Thyroid levels may influence fertility treatment outcomes
Knowledge-focused CompletedThis study looked at whether the level of thyroid-stimulating hormone (TSH) in the blood affects the success of a fertility treatment called ICSI. Researchers measured TSH in 180 women on day 2-3 of their menstrual cycle and then tracked egg retrieval, fertilization, and pregnanc…
Sponsor: Cairo University • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:00 UTC
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Fertility follow-up: what drives couples to try for a second child?
Knowledge-focused CompletedThis study looked at over 5,800 couples who had a first baby through fertility treatment at an Italian clinic. Researchers wanted to see how many came back for more treatment to have a second or third child, and what factors—like age or frozen embryos—affected that decision. The …
Sponsor: Istituto Clinico Humanitas • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:00 UTC
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Smaller cut, same hope: study seeks to predict sperm retrieval success
Knowledge-focused CompletedThis study looked at 248 men with very low or no sperm in their semen to see if a less-invasive, mini-incision surgery could successfully retrieve sperm. Researchers checked whether factors like hormone levels or medical history could predict who would benefit from this smaller p…
Sponsor: Clinique Ovo • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:08 UTC
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Which embryo incubator works best? new study tests two High-Tech systems
Knowledge-focused CompletedThis study compared two advanced embryo culture systems used in IVF with ICSI. One system has a built-in camera to watch embryos continuously, while the other uses periodic microscope checks. Researchers wanted to see if either system leads to more embryos implanting successfully…
Sponsor: Centre Hospitalier Universitaire Dijon • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:02 UTC
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AI embryo selector tested in IVF study
Knowledge-focused CompletedThis study tested an artificial intelligence tool called EMA to see if it can rank embryos better than traditional methods for IVF. Researchers looked at data from 333 people who had IVF between 2022 and 2023. The goal was to see if the AI's scores matched up with expert embryolo…
Sponsor: University Hospital, Clermont-Ferrand • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:02 UTC
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IVF scheduling showdown: natural cycle vs hormone cycle for embryo transfer
Knowledge-focused CompletedThis study looked at over 1,200 women under 40 who had a frozen embryo transfer. Some used a natural cycle with no hormones, while others took estrogen and progesterone to mimic a natural cycle. The goal was to see which method leads to more pregnancies. Results could help clinic…
Sponsor: Clinique Ovo • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Blood test on IUI day may reveal pregnancy clues
Knowledge-focused CompletedThis study looked at 158 women having intrauterine insemination (IUI) to see if progesterone levels on the day of insemination are linked to pregnancy rates. IUI is a simpler, cheaper fertility treatment than IVF, but success rates are low. Researchers measured progesterone and o…
Sponsor: Centre Hospitalier Intercommunal Creteil • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:03 UTC
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Timing of sperm extraction may influence IVF live birth rates
Knowledge-focused CompletedThis study looked at 129 men with low or no sperm in their semen who had sperm surgically removed from the testicle (micro-TESE) for IVF. Researchers compared doing the sperm retrieval 24 hours versus 48 hours before the egg retrieval to see if timing affected live birth rates. T…
Sponsor: Clinique Ovo • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:02 UTC
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Robot takes over sperm injection in IVF lab trial
Knowledge-focused CompletedThis study tested a robotic assistant to automate key steps in the IVF lab, such as preparing sperm and eggs, injecting sperm into eggs (ICSI), and freezing embryos. Researchers compared the robot's performance to standard manual methods using eggs and embryos from 42 couples und…
Phase: NA • Sponsor: Conceivable Life Sciences • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC
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Fertility drug REKOVELLE® under the microscope in Real-World study
Knowledge-focused CompletedThis study observed 201 women in Nordic countries and Switzerland who were using the fertility drug REKOVELLE® for the first time during IVF or ICSI. Researchers tracked how doctors prescribed the drug, including dose adjustments and use of a dosing app, to understand real-world …
Sponsor: Ferring Pharmaceuticals • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:53 UTC
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Second chance: new study explores rescue ovulation for failed IVF egg retrieval
Knowledge-focused CompletedThis study looked at 87 women who had no eggs retrieved during their first IVF cycle. Researchers wanted to see if a second round of ovulation-inducing medication could lead to successful egg retrieval. The goal was to understand which factors might predict failure and how to imp…
Sponsor: Clinique Ovo • Aim: Knowledge-focused
Last updated Jun 26, 2026 16:44 UTC
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Gene clues in ovarian cells could boost IVF success
Knowledge-focused CompletedThis study looked at genes in cumulus cells (cells that surround eggs) from 137 women undergoing IVF. The goal was to find genetic markers that predict which embryos are most likely to lead to a pregnancy. Researchers compared two different hormone treatments to see if gene patte…
Sponsor: Fertiga, Belgium • Aim: Knowledge-focused
Last updated Jun 26, 2026 14:49 UTC