The impact of a nutritional supplement (Impryl®) on male fertility
- Conditions
- infertilityMale subfertility10013356
- Registration Number
- NL-OMON53075
- Lead Sponsor
- Radboud Universitair Medisch Centrum
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 1200
Couples with failure to conceive for at least 12 months
Couples starting with EM or 1st/ 2nd/3rd cycle of IUI (with/without ovarian
stimulation) or IVF/ICSI
Male with age 18-50 years
Female partner with age 18-43 years
Willing and able to give informed consent
Planned or performed diagnostic testicular biopsy (TESE) or percutaneous
epididymal sperm aspiration (PESA)
Ovulation induction (OI) without IUI
IVF for an absolute tubal factor
Embryo-transfers after cryopreservation
Known chromosomal abnormalities related to infertility
Known urological abnormality such as a varicocele
Use of other vitamin supplements
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Number of ongoing pregnancies, conceived in the time window between<br /><br>randomization up to and including month 6 of intervention use. Ongoing<br /><br>pregnancy is defined as a visible embryonic heartbeat at ultrasound from 10-12<br /><br>weeks of gestation onwards.</p><br>
- Secondary Outcome Measures
Name Time Method <p>Secondary outcomes are number of pregnancies conceived in the optimal<br /><br>intervention time window (i.e. between start of month 4 till the end of month<br /><br>6), overall pregnancy number, change in semen parameters between baseline and 3<br /><br>months intervention in IUI/IVF/ICSI group, based on (pre-wash) total motile<br /><br>sperm count (TMSC). Furthermore the occurrence of pregnancy, time to pregnancy,<br /><br>number of miscarriages, number of ongoing pregnancies >= 20 weeks and live birth<br /><br>rate are documented within the study period. In a population of 80 patients,<br /><br>the DNA fragmentation in sperm cells will be assessed before intake of study<br /><br>medication and after 3 months of intake of either Impryl or placebo. The<br /><br>occurrence of adverse events will be reported. </p><br>