A Phase II Double-Blind Study of Delavirdine Mesylate ( U-90152 ) in Combination With Zidovudine ( AZT ) and/or Didanosine ( ddI ) Versus AZT and ddI Combination Therapy

National Institute of Allergy and Infectious Diseases (NIAID) logo

National Institute of Allergy and Infectious Diseases (NIAID)

Status and phase

Completed
Phase 2

Conditions

HIV Infections

Treatments

Drug: Didanosine
Drug: Zidovudine
Drug: Delavirdine mesylate

Study type

Interventional

Funder types

NIH

Identifiers

NCT00000803
ACTG 261
11238 (Registry Identifier)

Details and patient eligibility

About

To determine the safety and anti-HIV activity of delavirdine mesylate ( U-90152 ) in combination with zidovudine ( AZT ) and/or didanosine ( ddI ) versus AZT/ddI combination. U-90152 has demonstrated anti-HIV activity. Since the combination of this drug with either AZT or ddI has synergistic inhibitory activity against HIV-1 in vitro, and triple therapy appears to have greater inhibitory activity against HIV-1 in vitro than dual therapy, the use of U-90152 in combination with AZT and/or ddI may improve the benefits of these drugs in persons with HIV disease.

Full description

U-90152 has demonstrated anti-HIV activity. Since the combination of this drug with either AZT or ddI has synergistic inhibitory activity against HIV-1 in vitro, and triple therapy appears to have greater inhibitory activity against HIV-1 in vitro than dual therapy, the use of U-90152 in combination with AZT and/or ddI may improve the benefits of these drugs in persons with HIV disease. Patients are randomized to receive U-90152/AZT/ddI, U-90152/AZT, U-90152/ddI, or AZT/ddI for 48 weeks.

Sex

All

Ages

13+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

Concurrent Medication:

Required:

  • PCP prophylaxis for patients with CD4 count <= 200 cells/mm3.

Allowed:

  • Topical antifungal agents.
  • Oral ketoconazole, fluconazole, and itraconazole for candidiasis or disseminated fungal infections.
  • Isoniazid, ethambutol, pyrazinamide, clofazimine, ciprofloxacin, and clarithromycin for acute or maintenance therapy for mycobacterial disease (also clarithromycin for MAC prophylaxis).
  • Acute or maintenance therapy for toxoplasmosis.
  • Acute or maintenance therapy with acyclovir (no more than 1000 mg/day) for herpes simplex virus infection.
  • rEPO and rG-CSF.
  • Antibiotics for bacterial infections (except rifampin and rifabutin).
  • Antipyretics, analgesics, nonsteroidal anti-inflammatory agents, antiemetics, and methadone.

Concurrent Treatment:

Allowed for cutaneous Kaposi's sarcoma:

  • Localized radiation therapy.
  • Limited intralesional therapy.

Patients must have:

  • HIV infection.
  • CD4 count 100 - 500 cells/mm3.
  • Prior cumulative monotherapy of <= 6 months (may have taken either AZT or ddI, but not both) OR no prior antiretroviral therapy.

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

  • Malignancy (other than basal or squamous cell carcinoma of the skin, Stage 1 or 2 cervical intraepithelial neoplasia, or minimal Kaposi's sarcoma).
  • Considered to be unlikely to comply with study requirements.

Concurrent Medication:

Excluded:

  • Antiretroviral therapies and biologic response modifiers (except for study medications, rEPO, and rG-CSF).
  • Rifampin.
  • Rifabutin.
  • Terfenadine.
  • Astemizole.
  • Loratadine.
  • Quinidine.
  • Digitoxin.
  • Systemic corticosteroids for more than 21 consecutive days.
  • Foscarnet.
  • Systemic cytotoxic chemotherapy for a malignancy.

Patients with the following prior conditions are excluded:

  • History of intolerance to AZT at <= 600 mg/day or ddI at <= 400 mg/day or discontinuation of either drug for toxicity.
  • History of intolerance to trifluoperazine or piperazine citrate (per amendment).
  • History of pancreatitis.
  • History of grade 2 or worse peripheral neuropathy.
  • Unexplained temperature >= 38.5 C on any 7 days within the past 30 days.
  • Chronic diarrhea on any 15 days during the past 30 days.

Prior Medication:

Excluded:

  • Prior foscarnet as induction or maintenance therapy.
  • Prior U-90152.
  • Prior ddC or d4T.
  • Prior AZT/ddI in combination or taken separately at different times.
  • Prior non-nucleoside reverse transcriptase inhibitors (nevirapine, atevirdine, etc.).
  • Prior protease inhibitors (although patients from ACTG 282 are eligible).
  • HIV-1 vaccine within the past 21 days.
  • Acute treatment for a serious infection or for any opportunistic infection within the past 14 days.

Excluded within the past 30 days:

  • Interferon or interleukin.
  • Rifampin.
  • Rifabutin.
  • Terfenadine.
  • Astemizole.
  • Loratadine.
  • Recombinant EPO or G-CSF.
  • Hydroxyurea.
  • SPV-30.
  • Any other investigational drug.

Active drug or alcohol use.

Trial contacts and locations

32

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Data sourced from clinicaltrials.gov

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