Intracytoplasmic Morphologically Selected Sperm Injection and Advanced Maternal Age (IMSIAMA)

January 7, 2013 updated by: Sapientiae Institute

Intracytoplasmic Morphologically Selected Sperm Injection (IMSI) Benefits in the Presence of Advanced Maternal Age: a Prospective Randomized Study

The objective of this study was to evaluate the advanced maternal age as a rationale for performing intracytoplasmic morphologically selected sperm injection (IMSI).

This prospective randomized study included couples undergoing intracytoplasmic sperm injection (ICSI) as a result of advanced maternal age (≥ 37 years old). Couples were randomly allocated to receive one of two sperm selection procedures (ICSI, n = 33; or IMSI, n = 33). The groups were compared with regard to fertilization rate, percentage of high-quality embryos, implantation, pregnancy and miscarriage rates.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

66

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Brazil
      • São Paulo, Brazil, 04512001
        • Fertility - Assisted Fertilization Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

37 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Good physical and mental health
  • Advanced maternal age (≥ 37 years old)
  • Regular menstrual cycles of 25-35 days
  • Normal basal FSH and LH levels
  • Body mass index less than 30 kg/m2
  • Presence of both ovaries
  • Intact uterus
  • No hormone therapy for at least 60 days preceding the study

Exclusion Criteria:

  • Polycystic ovaries
  • Endometriosis
  • Gynaecological/medical disorders
  • Positive result in a screening for sexually transmitted diseases

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: ICSI group
This group was provided with conventional intracytoplasmic sperm injection (ICSI). This treatment is routinely used to treat infertility. Sperm selection in the ICSI group is analysed under a magnification of 400x using an inverted microscope.
Procedure: Intracytoplasmic sperm injection (ICSI)
ICSI is routinely used to treat couples with infertility. Sperm selection in the ICSI group was analysed under a magnification of 400x using an inverted microscope. ICSI was performed in a micro-injection dish prepared with 4 µL droplets of buffered medium (Global® w/HEPES, LifeGlobal, Connecticut, USA) and covered with paraffin oil on a heated stage at 37.0 ± 0.5°C of an inverted microscope.
Experimental: Intracytoplasmic morphologically selected sperm injection
Intracytoplasmic morphologically selected sperm injection (IMSI) is an established modified ICSI procedure. Sperm selection in the IMSI group is examined at high magnification using an inverted microscope equipped with high-power differential interference contrast optics (DIC/Nomarski). The total calculated magnification is x6.600. The sperm cells exhibiting normally shaped nuclei and normal nuclear chromatin content are selected for injection.
Procedure: Intracytoplasmic morphologically selected sperm injection
IMSI is an established modified ICSI procedure that used an unstained real-time observation of spermatozoa under high-magnification. Sperm selection in the IMSI group is examined at high magnification using an inverted microscope equipped with high-power differential interference contrast optics (DIC/Nomarski). The total calculated magnification is x6.600. The sperm cells exhibiting normally shaped nuclei and normal nuclear chromatin content are selected for injection.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Implantation rate
Time Frame: 6 weeks after embryo transfer
Number of embryos implanted in the uterus divided for the number of embryos transferred.
6 weeks after embryo transfer

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sapientiae Institute

Investigators

  • Principal Investigator: Edson Borges Jr., MD., Ph.D, Fertility - Assisted Fertilization Center and Sapientiae Institute - Educational and Research Center in Assisted Reproduction

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2011

Primary Completion (Actual)

August 1, 2012

Study Completion (Actual)

August 1, 2012

Study Registration Dates

First Submitted

June 13, 2012

First Submitted That Met QC Criteria

June 14, 2012

First Posted (Estimate)

June 15, 2012

Study Record Updates

Last Update Posted (Estimate)

January 8, 2013

Last Update Submitted That Met QC Criteria

January 7, 2013

Last Verified

January 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Sapi2012_1

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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