Comparison of Anti HIV Drugs Used Alone or in Combination With Cytosine Arabinoside to Treat Progressive Multifocal Leukoencephalopathy (PML) in HIV-Infected Patients

A Phase II Multicenter Study Comparing Antiretroviral Therapy Alone to Antiretroviral Therapy Plus Cytosine Arabinoside (Cytarabine; Ara-C) for the Treatment of Progressive Multifocal Leukoencephalopathy (PML) in Human Immunodeficiency Virus (HIV)-Infected Subjects

To compare the safety and efficacy of antiretroviral therapy (zidovudine plus either didanosine or dideoxycytidine) versus antiretroviral therapy plus intravenous cytarabine (Ara-C) versus antiretroviral therapy plus intrathecal Ara-C in the maintenance or improvement of neurological function over 6 months in HIV-infected individuals who have developed progressive multifocal leukoencephalopathy (PML). To compare the effect of these three treatment regimens on Karnofsky score and MRI studies.

The effectiveness of Ara-C in the treatment of PML, caused by a human DNA papovavirus (designated JC virus) infection, has not been determined, although the most encouraging results have occurred with intrathecal administration of the drug.

Study Overview

Detailed Description

The effectiveness of Ara-C in the treatment of PML, caused by a human DNA papovavirus (designated JC virus) infection, has not been determined, although the most encouraging results have occurred with intrathecal administration of the drug.

Patients are randomized to receive antiretroviral therapy alone (AZT plus ddI or ddC), antiretroviral therapy plus intravenous Ara-C, or antiretroviral therapy plus intrathecal Ara-C. All patients receive 24 weeks of antiretroviral therapy. Beginning at week 2, patients on the intravenous Ara-C arm receive daily infusions of Ara-C over 5 days, with cycles repeating every 21 days. Patients on the intrathecal Ara-C arm receive single administrations of Ara-C at weeks 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, and 24. A brain biopsy confirmation or in situ hybridization will be required within 7 days after study entry. Patients are followed every 4 weeks.

Study Type

Interventional

Enrollment

90

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Colorado
      • Aurora, Colorado, United States, 80262
        • University of Colorado Hospital CRS
    • Florida
      • Miami, Florida, United States, 331361013
        • Univ. of Miami AIDS CRS
    • Illinois
      • Chicago, Illinois, United States, 60611
        • Northwestern University CRS
    • Maryland
      • Baltimore, Maryland, United States, 21287
        • Johns Hopkins Adult AIDS CRS
    • Massachusetts
      • Boston, Massachusetts, United States, 02114
        • Massachusetts General Hospital ACTG CRS
    • Missouri
      • Saint Louis, Missouri, United States
        • Washington U CRS
    • New York
      • Rochester, New York, United States, 14642
        • Univ. of Rochester ACTG CRS
    • North Carolina
      • Chapel Hill, North Carolina, United States, 275997215
        • Unc Aids Crs
    • Washington
      • Seattle, Washington, United States, 981224304
        • University of Washington AIDS CRS

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria

Concurrent Medication:

Allowed:

  • Local intralesional chemotherapy for mucocutaneous Kaposi's sarcoma.
  • Topical antifungals, clotrimazole, ketoconazole, fluconazole, and amphotericin B for treatment of mucosal and esophageal candidiasis.
  • Foscarnet for newly developed CMV infection, only after discussion with the protocol chair.
  • Prophylactic and maintenance therapy for other opportunistic infections, provided patients are considered clinically stable.
  • No more than 1000 mg/day acyclovir for herpes simplex.
  • Antibiotics for bacterial infections as clinically indicated.
  • Antipyretics, analgesics, and antiemetics.

Concurrent Treatment:

Allowed:

  • Local radiation therapy for mucocutaneous Kaposi's sarcoma.

Patients must have:

  • HIV infection.
  • Confirmed PML.
  • No other current active opportunistic infections requiring systemic therapy.
  • Life expectancy of at least 3 months.

NOTE:

  • A durable power of attorney is recommended where severe neurologic or psychiatric impairment can be foreseen while the patient is on study.

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

  • Current active cryptococcal meningitis, cytomegaloviral encephalitis, toxoplasmosis encephalitis, CNS lymphoma, or neurosyphilis.

NOTE:

  • Patients on maintenance therapy for cryptococcal meningitis or toxoplasmosis encephalitis that has been stable for 4 months are permitted.
  • Conditions that seriously increase risk of a surgical procedure (e.g., coagulopathy, severe thrombocytopenia).
  • Any other disease that would interfere with evaluation of the patient.
  • Other life-threatening complications likely to cause death in < 3 months.

Concurrent Medication:

Excluded:

  • Ganciclovir.
  • Interferon.
  • Systemic chemotherapy other than Ara-C (unless specifically allowed).
  • Antiretroviral medications other than AZT, ddI, or ddC.

Patients with the following prior conditions are excluded:

History of allergy or intolerance to G-CSF.

Prior Medication:

Excluded:

  • Any prior Ara-C.

Excluded within 14 days prior to study:

  • Ganciclovir or foscarnet.
  • Interferon.
  • Antiretroviral medications other than AZT, ddI, or ddC.
  • Experimental medications for treatment of PML.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Chair: Hall C
  • Study Chair: Timpone J

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Completion (Actual)

April 1, 1997

Study Registration Dates

First Submitted

November 2, 1999

First Submitted That Met QC Criteria

August 30, 2001

First Posted (Estimate)

August 31, 2001

Study Record Updates

Last Update Posted (Actual)

November 1, 2021

Last Update Submitted That Met QC Criteria

October 28, 2021

Last Verified

October 1, 2021

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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