NCT06524102

The Aim of This Study is to Determine the Incidence of Alterations in Fluorescent In Situ Hybridisation (FISH) of Spermatozoa and to Evaluate the Efficacy of the Use of Annexin Columns (MACS®) in Patients With Altered FISH Undergoing In Vitro Fertilisation Techniques

Evaluation of the Efficacy of Annexin Columns (MACS) in Patients With Altered Sperm FISH Undergoing Assisted Reproductive Techniques

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 10 (actual)
• Sponsor: Instituto de Investigación Sanitaria y Biomédica de Alicante · Network
• Sex: All
• Age: 18 Years – 55 Years
• Healthy volunteers: Not accepted

Summary

250 petitions for FISH of spermatozoa were requested, determining the total and particular incidence in each of the indications collected. The effect of annexin columns was evaluated in 10 couples with altered FISH. In each of the couples, oocytes were pseudo-randomised to the control group and MACS®. All couples received experimental treatment. Mixed logistic regression model were adjusted to evaluate the effect of MACS® on the response variables studied.

Detailed description

Prospective pseudo-randomised study carried out in the reproduction unit of the Hospital General Universitario Dr. Balmis in Alicante. The study was divided into two phases, with both being conducted in parallel. The research was approved by the Ethics Committee for Research on Medicines (CEIm) of the Alicante Department of Health. The treatment and use of the clinical data required for this study complied with current legislation, preserving the anonymity of the patients. Phase I. A total of 250 sperm FISH tests were requested for different indications in men aged 18-55 years with normal karyotype. Of the total number of tests requested, 16 could not be performed due to low sperm count. Finally, 234 samples were analysed, of which 20 had altered sperm FISH. Phase II. From the previous phase, not all patients with an altered FISH test were included in the second phase of the study, some of them were lost for different reasons (n=10). A total of 10 couples with no previous children in common, negative serology and normal karyotype were included. Females were aged less than 40 years and males less than 50 years at the time of treatment. The semen sample of each couple was capacitated by density gradient centrifugation (DGC) and swim up, forming the control group. An aliquot was taken that was destined to pass through the annexin columns (MACS® ART, Miltenyl Biotic GmbH, Germany) constituting the study group. The oocytes obtained in each of the couples were pseudo-randomized and inseminated by ICSI with sperm from the study group and the control group. All couples benefited from the experimental treatment since they had the opportunity to inseminate their oocytes with sperm from both groups, thus excluding treatment bias or asymmetry. To evaluate the efficacy of MACS® on laboratory outcome, fertilization rates, abnormal fertilization, biopsiable embryos and euploid embryos were compared between the study and control group.

Conditions

• Infertility, Male

Interventions

Type	Name	Description
DEVICE	Magnetic Activated Cell Sorting	The MACS® ART Annexin V System has been designed for the in vitro elimination of apoptotic human spermatozoa in fresh, cryopreserved or otherwise manipulated semen samples. Samples processed by this technique can be subsequently used in any assisted reproduction procedure. Annexin V recognizes externalized phosphatidylserine (ePS) on the plasma membrane of apoptotic spermatozoa. Depletion of the altered sperm begins with magnetic tagging of the sperm. The system selectively retains unwanted sperm by utilizing the natural ability of annexin V to recognize the ePS on the plasma membrane of the altered sperm, because annexin V is conjugated to metal microspheres. The labeled cells pass through a separation column in a fixed magnetic field. Unwanted (altered) spermatozoa are selectively retained in the separation column. Unlabeled spermatozoa pass through the column where they are collected for later use.

Timeline

• Start date: 2018-01-01
• Primary completion: 2022-03-31
• Completion: 2022-03-31
• First posted: 2024-07-29
• Last updated: 2024-07-29

Locations

1 site across 1 country: Spain