CClinicalTrials.gg
CompletedNCT02667080Updated Jan 24, 2017

Sperm Quality in Consecutive Sperm Samples After 4-7 Days and 2 Hours of Sexual Abstinence

An interventional study of 2-7 days of Sexual abstinence and 2 hours of sexual abstinence in Semen Quality, sponsored by Aalborg University. Completed at 1 site in Denmark. Open to male participants aged 18 Years to 50 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2017-01-24.

Sponsored by Aalborg University · Not applicable, Interventional, and Basic science

Phase
Not applicable
Study type
Interventional
Enrollment
43
Allocation
Non-randomized
Ages
18 Years to 50 Years
Sex
Male
01

Study summary

The main purpose of the study is to assess to which degree a series of sperm parameters known to be associated with fertilization and implantation potential in artificial reproductive technology (ART) differ in consecutive sperm samples produced after 2-7 days and 2 hours of sexual abstinence in males from couples referring for ART treatment.

02

Conditions studied

  • Semen Quality

Keywords

  • Semen quality
  • Sexual Abstinence
  • sperm motility
  • DNA fragmentation
03

In context

Lead sponsor

Aalborg University is the lead sponsor of 178 studies on the registry; 37 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 50 Years
Sexes eligible
Male
Accepts healthy volunteers
Yes

Inclusion criteria

  • male age between 18 and 50
  • able to understand and read Danish

Exclusion criteria

Exclusion Criteria:

  • complete azospermia
  • significant psychological illness
  • significant cardiovascular disease
05

Study design

Phase
Not applicable
Primary purpose
Basic science
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
43 participants (actual)

Study arms

  • Active comparator
    Ejaculate 1

    Semen sample after 2-7 days of sexual abstinence

    Other: 2-7 days of Sexual abstinence

  • Active comparator
    Ejaculate 2

    Semen sample after 2 hours of sexual abstinence

    Other: 2 hours of sexual abstinence

Interventions

  • Other2-7 days of Sexual abstinence

    2-7 days of Sexual abstinence

  • Other2 hours of sexual abstinence

    2 hours of sexual abstinence

06

What researchers measure

Primary outcomes

  1. Routine semen quality assessment

    Routine sperm quality check including Morphology, Motility and DNA fragmentation index using both the conventional manual method and computer assisted sperm analysis (CASA) systems.

    Time frame: After liquefaction (30-35 minutes after ejaculation)

Secondary outcomes

  1. Outcome of ART treatments

    assessing and correlating the sperm quality with the results of the ART procedures

    Time frame: up to one year after the sampling

07

Study locations

1 site
  • Aalborg University Hospital, Dronninglund Fertility Clinic
    Dronninglund, 9330, Denmark
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 24, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02667080
Lead sponsor
Aalborg University
Collaborators
Aalborg University Hospital
Responsible party
Hiva Alipour (Ph.D. Student, Research Assistant, Aalborg University) — Principal investigator
First posted
Jan 28, 2016
Start date
Apr 2014
Primary completion
Nov 1, 2016
Completion
Nov 1, 2016
Last update
Jan 24, 2017

Study contacts

Ole Bjarane M.D., Ph.D., M.D., Ph.D.
study director · Aalborg University Hospital, Gynecology Department
Hiva Alipour, D.V.M.
principal investigator · Aalborg University, Faculty of Medicine, Department of Health Science and Technology
Fereshteh Dardmeh, D.V.M.
study chair · Aalborg University, Faculty of Medicine, Department of Health Science and Technology
Gerhard Van DerHorst, Ph.D.
study chair · University of the Western Cape, Capetown, South Africa
Christina Hnida, Ph.D.
study chair · Aalborg University Hospital, Gynecology Department

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jan 2017. You cannot join it, but the record below documents what was studied.

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