Effects of Endocrine Health on Mental Performance of Men and Women Using Drugs

This study has been completed.
Information provided by (Responsible Party):
Adrian S. Dobs, Johns Hopkins University
ClinicalTrials.gov Identifier:
First received: October 25, 2005
Last updated: October 25, 2011
Last verified: October 2011

The purpose of this study is to understand the effects of decreased functioning of the testes or ovaries on mental performance in males and females using illicit drugs excluding marijuana.

Human Immunodeficiency Virus Positive or Negative

Study Type: Observational
Study Design: Time Perspective: Prospective
Official Title: Effects of Endocrine Health on the Cognitive Function of Men and Women Using Drugs: A Cross-sectional Investigation

Resource links provided by NLM:

Further study details as provided by Johns Hopkins University:

Estimated Enrollment: 300
Study Start Date: August 2004
Study Completion Date: December 2010
Primary Completion Date: June 2010 (Final data collection date for primary outcome measure)
-IDU and -HIV (controls)

Detailed Description:

This research is being done to understand the effects of endocrine abnormalities, specifically hypogonadism (decreased functioning of the testes or ovaries) on cognitive (mental) performance in males and females using illicit drugs (excluding marijuana).


Ages Eligible for Study:   18 Years to 50 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population

males and females 18-50 years old who have completed the 8th grade and are using drugs


Inclusion Criteria:

  • Completed the 8th grade

Exclusion Criteria:

  • Did not complete the 8th grade. Have a hormone problem for which you are taking medication e.g. testosterone or thyroid medicine, steroids, oral contraceptives, progesterone. Diagnosed with cancer. History of schizophrenia. Currently have or have been diagnosed in the past with meningitis or encephalitis.
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00245531

United States, Maryland
Johns Hopkins University, The Clinical Trials Unit
Baltimore, Maryland, United States, 21205
Sponsors and Collaborators
Johns Hopkins University
Principal Investigator: Adrian S Dobs, M.D. Johns Hopkins University
  More Information

No publications provided by Johns Hopkins University

Additional publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Adrian S. Dobs, Professor of Medicine and Oncology, Johns Hopkins University
ClinicalTrials.gov Identifier: NCT00245531     History of Changes
Other Study ID Numbers: 05-01-12-04
Study First Received: October 25, 2005
Last Updated: October 25, 2011
Health Authority: United States: Institutional Review Board

Keywords provided by Johns Hopkins University:
endocrine abnormalities
cognitive performance

Additional relevant MeSH terms:
Acquired Immunodeficiency Syndrome
HIV Infections
HIV Seropositivity
Immune System Diseases
Immunologic Deficiency Syndromes
Lentivirus Infections
RNA Virus Infections
Retroviridae Infections
Sexually Transmitted Diseases
Sexually Transmitted Diseases, Viral
Slow Virus Diseases
Virus Diseases

ClinicalTrials.gov processed this record on March 30, 2015