Evaluation Study Between Density Gradient and Swimming Down for Semen Processing

December 30, 2014 updated by: Ahmad Mustafa Mohamed Metwalley
This study evaluates the quality of sperm produced after semen processing using Density Gradient (DG) and swimming down (SD).

Study Overview

Detailed Description

Semen processing to be used for different ART procedures is essential step to isolate dead sperms as well as those abnormally structural or morphology. Semen preparation will maintain to remove the seminal fluids and present cells and contamination pus cells or bacterial cells.

Among different protocols, Density Gradient and swim-up are the most common. For poor motility and number sample Density Gradient is indicated. While final evaluation for produced or separated sperm form processing procedures was not evaluated yet.

Preparation for evaluation study to compare output of main used protocol Density Gradient (DG) with other protocol as swimming down using different study criteria can make more clear evaluation for better processing procedures.

The cases arranged for evaluation were semen samples are within WHO 2010 normal values for motility and count to be more than 5 million/ml. All samples to be divided to two portions for processing by the two preparation techniques.

Post preparation evaluation to be done for the two outputs using: Motility monitoring for 48 hours at 37.0 Dc, abnormal forms, hyaluronan affinity testing and contaminating bacterial growth.

In this study we will show drawback effect of physical and time stress interface applied on sperms during processing, and compare the out put results with that results produced from sperm processed without centrifugation interface or more processing time. As the sperm will separate it self by its natural movement and normal behavior.

Evaluation will be on three categories:

  1. The final output quality: as net highly progressive sperms and their count number ( sperm morphology, count and motility): as our results showed more phonologically normal sperm retrieved from SD method with higher count and more percentage of progressively motile sperms.
  2. The quality of sperm produced: through monitoring sperm vitality testing or sperm motility power among 2 days at 37.0 Ds. Motility will be evaluated after 24 hours and 48 hours. Both readings showed more decrease in sperm motility and vitality with time consuming with portions processed using density gradient. While portions processed using SD showed significant better readings.

    Another functional activity of sperm post processing is using HBA testing slide, as we evaluate the sperm affinity to hyaluronan. This Testing or assay indicate the physiological activity of sperm still maintained. While it showed HBA higher significant results with swimming down group study.

  3. Final evaluation, that are used to present the quality of separation: is monitored using the contamination and carry over effect during semen manipulation and processing. Bacterial contamination using routine culture media (Blood agar) to evaluate 5 microns from each portions for presence and absence of any bacterial cells or during processing and manipulation.

Study Type

Observational

Enrollment (Actual)

100

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

    • Adliyah
      • Manama, Adliyah, Bahrain, 15006
        • Al Baraka Fertility Hospital
      • Sohag, Egypt, 15006
        • Ibn Sina IVF Center- Ibn Sina Hospital

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

18 years to 60 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Sampling Method

Non-Probability Sample

Study Population

Cases arranged for study were submitted for routine semen analysis. Patient agreements collected as consent form signed during sample submission.

Description

Inclusion Criteria:

  • Semen with motility more than 10 % according WHO 2010 standers
  • Semen with sperm count more than 5 mil/ml according WHO 2010 standers

Exclusion Criteria:

  • Semen volume less than 1.0 ml
  • Semen with liquefaction time more than 60 min

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

  • Observational Models: Case-Control
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Density Gradient processing

Semen portion processed using Density Gradient (80/40 %) Spin on 1200 r.p.m./20min Wash on 1200 r.p.m./5min Rewash on 1200 r.p.m./5min

then evaluation to be done using : Diff-Quik staining for morphology evaluation Motility Evaluation for grade A and B Concentration (mil/ml) 24 H half life 48 H half life HBA Testing Bacterial contamination

Papanicolaou stain (haematoxylin, orange G6, and EA50) gives a clear difference between basophilic and acidophilic cell constituents and thereby enables a detailed examination of chromatin pattern, which is useful in the evaluation of sperm morphology and assessment of presence of immature spermatozoa. Cytoplasmic staining can vary between red and green dependent on ionic strength, pH, and composition of the cell department and the stain (OG6 and EA50).

Morphological assessment for processed portions of semen. As separation process has to minimize the morphological abnormal sperm.

Other Names:
  • Abnormal forms %

The better separation method will insure more progressive sperms after processing.

Grading using A and B scale scored by (WHO 2010) references.

Other Names:
  • Motility %
count of isolated sperms Using Makler chamber for count of sperm for each portion post processing.
Other Names:
  • Concentration for final output

percentage of active motile to non motile sperms.

Microscopic examination for each sample after 24 hours incubation, to evaluate the progressively motile sperm and those non progressive or non motile.

Other Names:
  • Motility after 24 hours incubation at 37 Dc.

percentage of active motile to non motile sperms.

Microscopic examination for each sample after 48 hours incubation, to evaluate the progressively motile sperm and those non progressive or non motile.

Other Names:
  • Motility evaluation after 48hours incubation at 37 Dc.

The Hyaluronic Binding Assay (HBA®) is an important diagnostic tool for suspected male infertility in the analysis of semen. In a matter of minutes the HBA® slide provides an answer to the proportion of mature binding spermatozoa in the sample (The HBA® score %).

By using HBA slide we can count the physiologically active sperms at each sample and calculate percentage of active sperms with reference to post processing count from 3rd investigating arm.

Other Names:
  • Sperm physioogical activity evaluation HA binding
Routine bacterial culture using Blood Agar culture plates for 10 micron finally washed samples, to confirm presence of any bacteria contamination caused by carry over during processing.
Other Names:
  • Bacterial contamination presence of post processinf samples
Swimming down Processing

Semen portion processed using swimming down (100 %) 30 min at room temperature processing for swim down Wash on 1200 r.p.m./5min Rewash on 1200 r.p.m./5min

then evaluation to be done using : Diff-Quik staining for morphology evaluation Motility Evaluation for grade A and B Concentration (mil/ml) 24 H half life 48 H half life HBA Testing Bacterial contamination

Papanicolaou stain (haematoxylin, orange G6, and EA50) gives a clear difference between basophilic and acidophilic cell constituents and thereby enables a detailed examination of chromatin pattern, which is useful in the evaluation of sperm morphology and assessment of presence of immature spermatozoa. Cytoplasmic staining can vary between red and green dependent on ionic strength, pH, and composition of the cell department and the stain (OG6 and EA50).

Morphological assessment for processed portions of semen. As separation process has to minimize the morphological abnormal sperm.

Other Names:
  • Abnormal forms %

The better separation method will insure more progressive sperms after processing.

Grading using A and B scale scored by (WHO 2010) references.

Other Names:
  • Motility %
count of isolated sperms Using Makler chamber for count of sperm for each portion post processing.
Other Names:
  • Concentration for final output

percentage of active motile to non motile sperms.

Microscopic examination for each sample after 24 hours incubation, to evaluate the progressively motile sperm and those non progressive or non motile.

Other Names:
  • Motility after 24 hours incubation at 37 Dc.

percentage of active motile to non motile sperms.

Microscopic examination for each sample after 48 hours incubation, to evaluate the progressively motile sperm and those non progressive or non motile.

Other Names:
  • Motility evaluation after 48hours incubation at 37 Dc.

The Hyaluronic Binding Assay (HBA®) is an important diagnostic tool for suspected male infertility in the analysis of semen. In a matter of minutes the HBA® slide provides an answer to the proportion of mature binding spermatozoa in the sample (The HBA® score %).

By using HBA slide we can count the physiologically active sperms at each sample and calculate percentage of active sperms with reference to post processing count from 3rd investigating arm.

Other Names:
  • Sperm physioogical activity evaluation HA binding
Routine bacterial culture using Blood Agar culture plates for 10 micron finally washed samples, to confirm presence of any bacteria contamination caused by carry over during processing.
Other Names:
  • Bacterial contamination presence of post processinf samples

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
HBA
Time Frame: 1 day
Affinity is measured according to percentage of non motile sperm produced from 10 µL of processed sample.
1 day
Abnormal forms
Time Frame: 1 day
Percentage normally stained sperms after processing
1 day

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Final concentration
Time Frame: 1 day
Concentration was fluctuation according to original motility and concentration, DG
1 day
24 Hour motility
Time Frame: 1 day
Motility evaluation after 37.0 Dc incubation
1 day
48 Hour motility
Time Frame: 2 days
Motility evaluation after 37.0 Dc incubation
2 days

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Bacterial contamination
Time Frame: 2 days
bacterial culture for 5 micron of processed samples to insure absence of bacterial cells.
2 days

Collaborators and Investigators

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

Investigators

  • Study Director: Ahmad M Metwalley, Adliyah

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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

May 1, 2007

Primary Completion (Actual)

September 1, 2007

Study Completion (Actual)

September 1, 2007

Study Registration Dates

First Submitted

December 28, 2014

First Submitted That Met QC Criteria

December 30, 2014

First Posted (Estimate)

January 1, 2015

Study Record Updates

Last Update Posted (Estimate)

January 1, 2015

Last Update Submitted That Met QC Criteria

December 30, 2014

Last Verified

December 1, 2014

More Information

Terms related to this study

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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