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Residence Time of Biomarkers of Semen Exposure

2014-08-27 03:19:04 | BioPortfolio

Summary

The purpose of this study is to examine the vaginal residence time of certain semen biomarkers.

Description

The study will take approximately 2-3 months to complete. First, you will be screened to see if you are eligible for the study. At this visit the male partner will give a medical history and be asked to donate a semen sample for analysis, while the female will give a medical history, receive a physical exam, pelvic exam, pregnancy test, and will be tested for vaginal infection including Gonorrhea/Chlamydia. If you are eligible (as a couple), you will be called and randomized into one of four study groups. You will be allowed to choose whether you want to take certain samples yourself at home, or have them all taken by a nurse at the clinic. At this point you will either be asked to return home to have sexual intercourse, or the male partner will be asked to donate a semen sample, which will then be inserted into the female's vagina. Depending on which group you are in, you will next be asked to return to the clinic either 4 or 7 times over the next 2 weeks for vaginal swabs.

Once you complete the main study, you will be offered the opportunity to participate in a substudy, where you will repeat the same visits, except that if you chose to have all your samples taken in the clinic for the main study, you will take certain samples at home for the substudy. If you chose to take certain samples at home for the main study, you will have all the samples taken at the clinic for the substudy. Also, you will not need to do another screening visit if you start the substudy within 9 weeks of the end of the main study.

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Conditions

Semen Exposure

Location

Johns Hopkins Bayview Medical Center
Baltimore
Maryland
United States
21224

Status

Recruiting

Source

CONRAD

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:19:04-0400

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A condition of suboptimal concentration of SPERMATOZOA in the ejaculated SEMEN to ensure successful FERTILIZATION of an OVUM. In humans, oligospermia is defined as a sperm count below 20 million per milliliter semen.

The prevention of infection or disease following exposure to a pathogen. This is most frequently addressed by administering a vaccine or anti-viral medication following exposure to a virus.

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