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Studies of Blood and Reproductive Fluids in HIV-Infected and Non-HIV-Infected Persons

This study is currently recruiting participants. (see Contacts and Locations)
Verified December 2013 by National Institutes of Health Clinical Center (CC)
Sponsor:
Collaborator:
Washington Hospital Center
Information provided by (Responsible Party):
National Institutes of Health Clinical Center (CC) ( National Institute of Allergy and Infectious Diseases (NIAID) )
ClinicalTrials.gov Identifier:
NCT00001281
First received: November 3, 1999
Last updated: November 20, 2014
Last verified: December 2013

November 3, 1999
November 20, 2014
May 1991
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The purpose of this protocol is to provide a mechanism to obtain blood products and otherbiologic samples that will be used by NIH Intramural Investigators in studies of HIV andrelated diseases. In addition to obtaining plasma, serum and w... [ Time Frame: Throughout the study ] [ Designated as safety issue: No ]
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Complete list of historical versions of study NCT00001281 on ClinicalTrials.gov Archive Site
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Studies of Blood and Reproductive Fluids in HIV-Infected and Non-HIV-Infected Persons
Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Reproductive Fluids in HIV-Infected and HIV-Uninfected Volunteers

This study will examine the effects of HIV infection on substances produced by immune cells that increase or decrease HIV infection.

HIV-infected patients and healthy normal volunteers may be eligible for this study. Participants will be required to have a yearly medical evaluation, including blood tests for cell counts and chemistries, a blood or urine pregnancy test for women, and other laboratory tests as medically indicated or for research purposes.

Participants will donate blood or reproductive fluids, or both. From 20 to 150 cc (4 to 30 teaspoonfuls) of blood will be drawn from the arm using a small needle. Participants may be asked to provide blood samples on more than one occasion over the course of the study. No more than 450 cc (less than 1 pint) of blood will be drawn during any 6-week period. Males will be given a private room for semen donation; fluid from females will be collected with a cotton swab after speculum insertion. Participants may also be asked to have a buccal swab. For this procedure, the inside of the cheek is gently scraped with a blunt-ended stick or brush to obtain cells (buccal mucosal cells). The tissues will be used for a variety of studies on the effects of HIV infection on factors that increase or decrease HIV infection.

Some of the tissues collected for this study may also be used for the following tests:

  • Hepatitis screening Blood may be screened for different types of viral liver infections, such as hepatitis A, B, C, D, E, or G.
  • Genetic testing DNA from blood or cheek cells may be examined for mutations or deletions that affect chemokines, cytokines and a family of enzymes called caspases. Chemokines and cytokines are important mediators of the immune response. Alterations in the genes for some of these substances influence HIV infection. Caspases regulate the process of cell death, known as apoptosis. Caspase gene variations may determine the rate of cell death in HIV-infected persons, and therefore, the rate of HIV progression. Patients with abnormalities of any of these genes may be invited to join other studies of the role of genetic defects in HIV infection.
  • HLA testing Blood may be tested for HLA type a genetic marker of the immune system. These tests may be used to try to identify factors associated with the rate of progression of HIV disease or related conditions. Determining HLA type is necessary to be able to perform certain research studies. Some HLA types have been associated with an increased risk of certain diseases like arthritis and other rheumatologic problems.

We are studying the pathogenesis of HIV infection. Because of the lack of an adequate animal model it is generally necessary to utilize human peripheral blood cells for studying aspects of either in vivo or in vitro HIV infection. We wish to be able to continue to elucidate many pathogenic aspects of HIV infection using human peripheral blood mononuclear cells as a model.

Observational
Time Perspective: Prospective
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HIV Infection
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruiting
1800
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  • INCLUSION CRITERIA:

    18 years of age or older.

Adequate venous access.

Have a blood pressure less than or equal to 180/100: pulse rate 50-100, unless a lower pulse rate is considered normal for the volunteer.

Have adequate blood counts (HIV positive volunteers: hemoglobin greater than or equal to 9.0 g/dL, HCT greater than or equal to 38%, platelets greater than or equal to 150,000)

Willingness to allow blood samples to be used for future studies of HIV infection/pathogenesis, undergo genetic testing including HLA testing, and undergo hepatitis screening.

EXCLUSION CRITERIA:

Pregnant and/or breastfeeding females.

Active substance abuse or history of prior substance abuse that may interfere with protocol compliance or compromise patient safety.

Both
18 Years and older
Yes
Contact: Kathleen R Gittens (301) 496-9320 gittenskr@mail.nih.gov
Contact: Susan Moir, Ph.D. (301) 402-4559 sm221a@nih.gov
United States
 
NCT00001281
910140, 91-I-0140
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National Institutes of Health Clinical Center (CC) ( National Institute of Allergy and Infectious Diseases (NIAID) )
National Institute of Allergy and Infectious Diseases (NIAID)
Washington Hospital Center
Principal Investigator: Susan Moir, Ph.D. National Institute of Allergy and Infectious Diseases (NIAID)
National Institutes of Health Clinical Center (CC)
December 2013

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP