A Phase II Open Randomized Comparison of 566C80 and Pentamidine Isethionate for the Treatment of Pneumocystis Carinii Pneumonia in AIDS Patients Who Are Intolerant of Trimethoprim / Sulfamethoxazole

NCT ID: NCT00001996

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

PHASE2

Study Classification

INTERVENTIONAL

Brief Summary

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To compare the safety of atovaquone (566C80) with intravenous (IV) pentamidine for the treatment of mild to moderate Pneumocystis carinii pneumonia (PCP) in AIDS patients who are intolerant of therapy with trimethoprim / sulfamethoxazole (TMP / SMX) by comparing the incidence of premature discontinuation of therapy due to toxicity. To compare the efficacy of 566C80 with intravenous (IV) pentamidine for the treatment of mild to moderate PCP in the same population.

Detailed Description

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Conditions

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Pneumonia, Pneumocystis Carinii HIV Infections

Study Design

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Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Interventions

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Atovaquone

Intervention Type DRUG

Pentamidine isethionate

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

Patients must have the following:

* History of, or are currently experiencing, intolerance to TMP / SMX, or to another sulfonamide, which required discontinuation of therapy.
* Pneumocystis carinii pneumonia (PCP).
* Willing and able to give informed consent.

Exclusion Criteria

Co-existing Condition:

Patients with the following conditions or symptoms are excluded.

* Malabsorption disorder or vomiting that would, in the judgement of the investigator, potentially limit the retention and absorption of an oral therapy.
* Concurrent bacterial, fungal, or viral pneumonitis, pulmonary Kaposi's sarcoma, or other concurrent illness, or chronic pulmonary disease that, in the investigator's opinion, would make interpretation of drug efficacy difficult.
* Present occurrences of abnormal prolongation of QT interval on standard, 12 lead EKG.

Concurrent Medication:

Excluded:

* Drugs with potential anti-pneumocystis effect (eg:
* sulfonamides, dapsone, trimethoprim, other dihydrofolate reductase (DHFR) inhibitors, primaquine, clindamycin, sulfonylureas).
* Ganciclovir.
* Zidovudine.
* Investigational agents including anti-retroviral agents (ddI, ddC, etc.). Patients receiving these drugs prior to entry must discontinue their use during the therapy phase (21 days) of the trial.
* Corticosteroids (except replacement therapy) during the 21 day treatment period (Strata A and C Patients).
* Class 1A antiarrhythmics (ie:
* quinidine, procainamide, disopyramide).

Patients with the following are excluded:

* Judged by the investigator to be in impending respiratory failure.
* Known intolerance to parenteral pentamidine isethionate, or therapeutic failure with same for treatment of current episode of PCP.
* Significant psychosis or emotional disorder that, in the investigator's opinion, would preclude the patient from adhering to the protocol.
* Inability or unwillingness to take medication orally or with food.
* Prior documented glucose-6-phosphate dehydrogenase (G6PD) deficiency.
* History, or present occurrences, of abnormal prolongation of QT interval on standard, 12 lead EKG.
* Termination from FDA 053A due to toxicity.
* For patients entering under historic intolerance criteria (Groups A and B), prior therapy for this episode of PCP is an exclusion.

Prior Medication:

Excluded:

* Treatment within 4 weeks of entry for a prior episode of PCP.
* For patients entering under historic intolerance criteria (Groups A and B), prior therapy for this episode of PCP is an exclusion.

Required:

* Adjuvant prednisone for patient enrolled in Strata B or D.
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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East Bay AIDS Ctr

Berkeley, California, United States

Site Status

Kaiser Foundation Hosp

Harbor City, California, United States

Site Status

Cedars Sinai Med Ctr

Los Angeles, California, United States

Site Status

UCLA CARE Ctr

Los Angeles, California, United States

Site Status

UCI Med Ctr

Orange, California, United States

Site Status

AIDS Community Research Consortium

Redwood City, California, United States

Site Status

Davies Med Ctr

San Francisco, California, United States

Site Status

Dr Patrick Joseph

San Ramone, California, United States

Site Status

Infectious Disease Research Consortium of Georgia

Atlanta, Georgia, United States

Site Status

Massachusetts Gen Hosp

Boston, Massachusetts, United States

Site Status

Boston City Hosp

Boston, Massachusetts, 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 AIDS Treatment Group / Harlem Hosp Ctr

New York, New York, United States

Site Status

Univ of Cincinnati

Cincinnati, Ohio, United States

Site Status

Portland Veterans Adm Med Ctr / Rsch & Education Grp

Portland, Oregon, United States

Site Status

Buckley Braffman Stern Med Associates

Philadelphia, Pennsylvania, 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

Countries

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United States

References

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Dohn M, Weinberg W, Rosenstock J, Follansbee S, Torres R, Caldwell P. Atovaquone vs. pentamidine for pneumocystis carinii pneumonia in patients with AIDS. Int Conf AIDS. 1993 Jun 6-11;9(1):372 (abstract no PO-B10-1421)

Reference Type BACKGROUND

Other Identifiers

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05

Identifier Type: -

Identifier Source: secondary_id

053B

Identifier Type: -

Identifier Source: org_study_id