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Case-Control Viramune (Nevirapine) Toxicogenomics Study

This study has been completed.
Information provided by:
Boehringer Ingelheim Identifier:
First received: March 28, 2006
Last updated: July 31, 2013
Last verified: July 2013
Attempt to identify genetic polymorphisms in interrogated pathways which may be associated with symptomatic hepatotoxicity or severe cutaneous toxicity observed in case patients within the first 8 weeks of nevirapine therapy.

Condition Intervention Phase
HIV Infections
Drug: Nevirapine
Phase 4

Study Type: Observational
Study Design: Observational Model: Case Control
Time Perspective: Retrospective
Official Title: A Case-Control Toxicogenomics Study to Identify Unique Genetic Polymorphisms in Patients Who Have Experienced Symptomatic Hepatotoxicity or Severe Cutaneous Toxicity Within the First 8 Weeks of Nevirapine Therapy

Resource links provided by NLM:

Further study details as provided by Boehringer Ingelheim:

Primary Outcome Measures:
  • Endpoints: relationship between nevirapine-related AEs and genetic polymorphisms loci: Drug metabolizing enzymes (e.g., cytochrome P450 isoforms) Drug transporters (e.g., MDR1 and OATP-C) Human Major Histocompatibility Complex region genes

Secondary Outcome Measures:
  • Descriptive demographics comparing cases with matched controls in an attempt to link genetic polymorphisms associated with symptomatic hepatotoxicity or severe cutaneous toxicity (cases) to gender, race or other patient characteristics.

Enrollment: 889
Study Start Date: February 2006
Primary Completion Date: September 2008 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
All study population Drug: Nevirapine
Patients with HIV-1 infection who have taken or are currently taking nevirapine


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patients Who Have Experienced Symptomatic Hepatotoxicity or Severe Cutaneous Toxicity Within the First 8 Weeks of Nevirapine Therapy

Inclusion Criteria:

Inclusion for Case

  1. Male or female patients >=18 years of age with HIV-1 infection who experienced one or more of the following adverse reactions within the first 8 weeks of starting nevirapine therapy:

    • Grade 3 or 4 LFT elevation (ALT or AST > 5X ULN) and any symptom consistent with clinical hepatitis (see Appendix 10.1)
    • Acute liver failure secondary to nevirapine therapy*
    • Functional group III or IV rash
    • *Acute liver failure is defined as serious liver injury usually requiring hospitalization that may lead to death or liver transplantation.

    Inclusion for Control

  2. Male or female patients >=18 years of age with HIV-1 infection who have been exposed to nevirapine therapy for at least 18 weeks and who do not meet any of the case inclusion criteria

Exclusion Criteria:

Exclusion for Cases

  1. Patients with any hepatotoxicity or rash event which in the investigators judgement is not related to nevirapine use (ex. hepatotoxicity due to alcohol or other medicinal use or rash due to other medicinal use).
  2. Patients who began abacavir or TMP-SMX (trimethoprim/sulfamethoxazole) therapy 2 weeks or less prior to or up to 8 weeks after initiating nevirapine therapy.
  3. Patients with AST or ALT elevations > 5 times the ULN (>= Grade 3) just prior to the initiation of nevirapine therapy.

    Exclusion for Controls

  4. Patients who discontinued nevirapine before completing 18 weeks of dosing with 200 mg/day for 2 weeks followed by 400 mg/day thereafter.
  5. Patients who developed functional group I, IIa or IIb rash within 18 weeks of starting nevirapine therapy, or any dermatologic condition that could plausibly be attributed to nevirapine.
  6. Patients with ALT or AST elevations >2.5 X ULN (>Grade 1) within 18 weeks of starting nevirapine therapy.
  7. Any hepatobiliary adverse event that could possibly be attributed to nevirapine.
  8. Patients who develop any systemic reaction attributable to nevirapine use during the first 18 weeks of nevirapine treatment such as flu-like symptoms, arthralgia, myalgia, or conjunctivitis.

    Exclusion for Cases and Controls

  9. Patients who have participated in the 2NN-Long-term Follow-up study (1100.1454)
  10. Patients with CD4 count 150 cells/mm3 prior to the initiation of nevirapine therapy (last available result measured 6 months prior to the initiation of nevirapine therapy).
  11. Evidence of acute co-infection with viral hepatitis.
  12. Patients taking prednisone, prednisolone, or immuno-modulatory medication within the first 8 weeks of nevirapine therapy.
  13. Patients who are unwilling to provide blood samples for DNA testing.
  14. Patients who did not sign informed consent and or authorization to release protected health information per local requirements.
  15. Patients without available liv
  Contacts and Locations
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Please refer to this study by its identifier: NCT00310843

  Show 102 Study Locations
Sponsors and Collaborators
Boehringer Ingelheim
Study Chair: Boehringer Ingelheim Boehringer Ingelheim
  More Information

Responsible Party: Boehringer Ingelheim, Study Chair, Boehringer Ingelheim Identifier: NCT00310843     History of Changes
Other Study ID Numbers: 1100.1452
Study First Received: March 28, 2006
Last Updated: July 31, 2013

Additional relevant MeSH terms:
HIV Infections
Lentivirus Infections
Retroviridae Infections
RNA Virus Infections
Virus Diseases
Sexually Transmitted Diseases, Viral
Sexually Transmitted Diseases
Immunologic Deficiency Syndromes
Immune System Diseases
Reverse Transcriptase Inhibitors
Nucleic Acid Synthesis Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Anti-Retroviral Agents
Antiviral Agents
Anti-Infective Agents
Anti-HIV Agents
Cytochrome P-450 CYP3A Inducers
Cytochrome P-450 Enzyme Inducers processed this record on May 24, 2017