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Resistance to HIV Infection

This study is currently recruiting participants.
Verified by National Institute of Allergy and Infectious Diseases (NIAID), July 2007

Sponsored by: National Institute of Allergy and Infectious Diseases (NIAID)
Information provided by: National Institute of Allergy and Infectious Diseases (NIAID)
ClinicalTrials.gov Identifier: NCT00069485
  Purpose

The immune systems of some individuals may be capable of resisting HIV infection. These individuals do not appear to be infected with HIV despite multiple sexual encounters with HIV infected partners. This study will examine the immune systems of these individuals to determine what factors are responsible for their ability to resist HIV infection.

Study hypothesis: Some long-term, multiply-exposed seronegative persons have relative resistance to HIV infection maintained by T cell responses.


Condition
HIV Infections

MedlinePlus related topics:   AIDS   

U.S. FDA Resources

Study Type:   Observational
Study Design:   Natural History, Longitudinal, Defined Population, Prospective Study
Official Title:   Evaluation of HIV-Specific Immunological and Virological Responses of HIV-1 Multiply-Exposed Seronegative Individuals

Further study details as provided by National Institute of Allergy and Infectious Diseases (NIAID):

Estimated Enrollment:   100
Study Start Date:   December 1995

Detailed Description:

Rare individuals appear naturally resistant to overt HIV-1 infection despite repeated sexual exposures. These individuals, referred to as exposed seronegatives (ES), represent a unique population in which to evaluate mechanisms by which HIV-1 replication is either controlled or aborted. The purpose of the study is to analyze HIV-specific immune responses, both cellular and humoral, that exist in seronegative individuals who have experienced multiple exposures to HIV by sexual contact.

This study will follow participants for 2 years. Participants will have 25 study visits during the study. Assessments will include HIV tests, viral load measurements, CD4 counts, pregnancy tests, and physical exams.

  Eligibility
Ages Eligible for Study:   18 Years to 60 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Criteria

Inclusion Criteria:

  • Good general health
  • HIV uninfected
  • Repeated exposures to HIV through unprotected sexual intercourse within the 2 years prior to study entry
  • Live in the greater Seattle area
  • Plan to stay in the greater Seattle area for the 2 years after study entry

Exclusion Criteria:

  • Pregnancy
  Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00069485

Locations
United States, Washington
Fred Hutchinson Cancer Research Center / University of Washington HIV Vaccine Trials Unit     Recruiting
      Seattle, Washington, United States, 98104
      Contact: Kim Louis     206-667-2300     klouis@fhcrc.org    

Sponsors and Collaborators

Investigators
Principal Investigator:     Julie McElrath, MD, PhD     University of Washington    
  More Information


Study ID Numbers:   5R01AI47086-03, 5 R01 AI47086-03
First Received:   September 26, 2003
Last Updated:   September 17, 2007
ClinicalTrials.gov Identifier:   NCT00069485
Health Authority:   United States: Federal Government

Keywords provided by National Institute of Allergy and Infectious Diseases (NIAID):
HIV Seronegativity  

Study placed in the following topic categories:
Virus Diseases
Sexually Transmitted Diseases, Viral
HIV Infections
Sexually Transmitted Diseases
Acquired Immunodeficiency Syndrome
Retroviridae Infections
Immunologic Deficiency Syndromes

Additional relevant MeSH terms:
Communicable Diseases
RNA Virus Infections
Slow Virus Diseases
Immune System Diseases
Lentivirus Infections
Infection

ClinicalTrials.gov processed this record on October 31, 2008




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