A Pilot Study of 566C80 for the Salvage Treatment of Toxoplasmic Encephalitis in Patients Infected With the Human Immunodeficiency Virus (HIV) Who Have Failed or Are Intolerant of Pyrimethamine-Sulfadiazine

NCT ID: NCT00001994

Last Updated: 2005-06-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Brief Summary

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To evaluate the safety and tolerance of atovaquone (566C80) in AIDS patients with central nervous system (CNS) toxoplasmosis. To evaluate the efficacy of 566C80 in the acute treatment and suppression of CNS toxoplasmosis in AIDS patients who fail or who cannot tolerate conventional therapy.

Detailed Description

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Conditions

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Toxoplasmosis, Cerebral HIV Infections

Study Design

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Primary Study Purpose

TREATMENT

Interventions

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Atovaquone

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

Patients must have the following:

* Presumptive diagnosis of AIDS.
* Cerebral toxoplasmosis.
* Expected survival of at least four weeks without therapy.
* Willing and able to give informed consent.

Prior Medication:

Allowed:

* Pyrimethamine-sulfonamide.
* Clindamycin-sulfonamide.

Exclusion Criteria

Co-existing Condition:

Patients with the following conditions or symptoms are excluded:

* Significant emotional disorder or psychosis.
* Evidence of significant malabsorption, ileus or significant emesis at entry which would inhibit drug absorption.
* Other known central nervous system lesions such as lymphoma, tuberculoma, cryptococcoma, active neurosyphilis. Unwilling or unable to take 566C80 with a meal, enteral supplements (eg:
* Ensure Plus) or pulverized form through a nasogastric tube.
* Active drug or alcohol abuse sufficient in the investigator's opinion to prevent compliance with the study regimen.

Concurrent Medication:

Excluded:

* Drugs with potential anti-toxoplasmosis activity including sulfone, sulfonamide, trimethoprim, pyrimethamine and clindamycin during the acute therapy phase of the trial.
* First three weeks of treatment:
* Retrovir (zidovudine) or any investigational agent including antiretroviral agents (eg:
* ddI,ddC).

Patients with the following are excluded:

* Significant emotional disorder or psychosis.
* Evidence of significant malabsorption, ileus or significant emesis at entry which would inhibit drug absorption.
* Other known central nervous system lesions such as lymphoma, tuberculoma, cryptococcoma, active neurosyphilis. Unwilling or unable to take 566C80 with a meal, enteral supplements (eg:
* Ensure Plus) or pulverized form through a nasogastric tube.
* Active drug or alcohol abuse sufficient in the investigator's opinion to prevent compliance with the study regimen.

Active drug or alcohol abuse sufficient in the investigator's opinion to prevent compliance with the study regimen.
Minimum Eligible Age

13 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Glaxo Wellcome

INDUSTRY

Sponsor Role lead

Locations

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Los Angeles County - USC Med Ctr

Los Angeles, California, United States

Site Status

Infectious Disease Med Group

Oakland, California, United States

Site Status

San Francisco Gen Hosp

San Francisco, California, United States

Site Status

UCSF - San Francisco Gen Hosp

San Francisco, California, United States

Site Status

Davies Med Ctr

San Francisco, California, United States

Site Status

Georgetown Univ Med Ctr

Washington D.C., District of Columbia, United States

Site Status

Infectious Disease Research Consortium of Georgia

Atlanta, Georgia, United States

Site Status

Johns Hopkins Hosp

Baltimore, Maryland, United States

Site Status

Beth Israel Med Ctr

New York, New York, United States

Site Status

Saint Vincent's Hosp and Med Ctr

New York, New York, United States

Site Status

Harlem Hosp Ctr

New York, New York, United States

Site Status

SUNY / Health Sciences Ctr at Stony Brook

Stony Brook, New York, United States

Site Status

Duke Univ Med Ctr

Durham, North Carolina, United States

Site Status

Portland Veterans Adm Med Ctr / Rsch & Education Grp

Portland, Oregon, United States

Site Status

Regional Med Ctr at Memphis

Memphis, Tennessee, United States

Site Status

Gathe, Joseph, M.D.

Houston, Texas, United States

Site Status

Baylor College of Medicine

Houston, Texas, United States

Site Status

Infectious Disease Physicians Inc

Annandale, Virginia, United States

Site Status

Southern Alberta HIV Clinic / Foothills Hosp

Calgary, Alberta, Canada

Site Status

Dr Julio S G Montaner

Vancouver, British Columbia, Canada

Site Status

Wellesley Hosp

Toronto, Ontario, Canada

Site Status

Dr Emil Toma / Hotel Dieu de Montreal

Montreal, Quebec, Canada

Site Status

Countries

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United States Canada

References

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Masur H, et al. 566C80 is effective as salvage treatment for toxoplasma encephalitis. Int Conf AIDS. 1991 Jun 16-21;7(2):30 (abstract no WB31)

Reference Type BACKGROUND

Other Identifiers

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02

Identifier Type: -

Identifier Source: secondary_id

101A

Identifier Type: -

Identifier Source: org_study_id