Comparison of clinical outcomes in two sperm selection procedures: capillary – cumulus oophorus versus routine method

Comparison of clinical outcomes of infertile individuals candidate for ICSI using capillary–cumulus oophorus model versus routine method: A randomized single-blind controlled clinical trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20110804007223N9

Enrollment

Registered

2019-10-17

Start date

2019-09-06

Completion date

Unknown

Last updated

2019-11-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Male infertility. Male infertility, unspecified

Interventions

Intervention 1: Intervention group: Sperm selection after passing sperm through the cumulus oophorus layer (The cumulus oophorus is a layer around the oocyte which will be separated from the oocyte of

Eligibility

Sex/Gender

Male

Age

No minimum to 45 Years

Inclusion criteria

Inclusion criteria: Infertility with male factor primary infertility Candidate for ICSI Healthy women with at least 6 oocytes Male age lower than 45 year

Exclusion criteria

Exclusion criteria: Infertile men with azoospermia Infertile men with oligozoospermia defrosted sperm

Design outcomes

Primary

Measure	Time frame
Improvement of embryo quality. Timepoint: Day 2 and 3 after ICSI. Method of measurement: Embryo growth, number and equal of blastomers, and lack of cytoplasm fragmentation.;Pregnancy. Timepoint: One month after embryo transfer. Method of measurement: Sonography.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohammad Hossein Nasr-Esfahani

Iranian academic center for education culture and research

nasr.royan@gmail.com+98 31 9501 5682

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026