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Completed

NCT Number: NCT00002140

A Randomized, Double-Blind, Comparative Study of Azithromycin Versus Clarithromycin in Combination With Ethambutol for the Treatment of Disseminated Mycobacterium Avium Complex (MAC) Infection in AIDs Patients

To evaluate the efficacy and safety of two different doses of azithromycin in combination with ethambutol for the treatment of patients with Mycobacterium avium complex (MAC) infection, and to determine whether an azithromycin-containing regimen is at least as safe and effective as the same regimen containing clarithromycin..

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Key information

Conditions

Mycobacterium Avium-intracellulare Infection Acquired Immunodeficiency Syndrome Actinomycetales Infections Bacterial Infections Bacterial Infections and Mycoses Blood-Borne Infections Communicable Diseases Genital Diseases Gram-Positive Bacterial Infections HIV Infections Immune System Diseases Immunologic Deficiency Syndromes Infections Lentivirus Infections Mycobacterium Infections Mycobacterium Infections, Nontuberculous RNA Virus Infections Retroviridae Infections Sexually Transmitted Diseases Sexually Transmitted Diseases, Viral Slow Virus Diseases Urogenital Diseases Virus Diseases

Age range

13 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

East Bay AIDS Ctr, Berkeley, California, United States

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About this study

Patients are randomized to receive azithromycin at one of two doses in combination with ethambutol or clarithromycin in combination with ethambutol for 24 weeks, after which they are evaluated for entry into a maintenance phase of treatment. Clinical, microbiologic, and safety assessments are performed every 3 weeks for the first 12 weeks, then monthly for the remaining 12 weeks.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients must have:

  • HIV seropositivity.
  • Disseminated MAC.
  • No MAC therapy between time of last positive blood culture draw and study entry (single-agent prophylaxis allowed).
  • Life expectancy of at least 2 months.
  • Consent of parent or guardian if below legal age of consent.

Exclusion criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

  • Known hypersensitivity to macrolide antibiotics (erythromycin, azithromycin, or clarithromycin) or ethambutol.
  • Inability to take oral medications.
  • Condition likely to interfere with drug absorption (e.g., gastrectomy, malabsorption syndromes).

Concurrent Medication:

Excluded:

  • Another investigational drug started in the week prior to study entry.

Prior Medication:

Excluded:

  • MAC therapy between time of last positive blood culture draw and study entry (although single-agent prophylaxis is allowed).

Treatment and study plan

Ethambutol hydrochloride

Drug

Clarithromycin

Drug

Azithromycin

Drug

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Important dates

First posted
Aug 31, 2001
Registry last updated
Jun 24, 2005

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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