Phase I Rising Dose Tolerability Study of SC-48334 in Patients With Acquired Immunodeficiency Syndrome (AIDS) and Advanced AIDS Related Complex

T

The Searle Company

Status and phase

Completed
Phase 1

Conditions

HIV Infections

Treatments

Drug: Butyldeoxynojirimycin

Study type

Interventional

Funder types

Industry
NIH

Identifiers

NCT00000692
ACTG 100

Details and patient eligibility

About

To determine the following about the use of SC-48334 in patients with AIDS and advanced AIDS related complex (ARC): 1. The largest maximum tolerated dose (MTD); 2. Effectiveness against HIV; 3. Pharmacokinetics - how fast SC-48334 reaches the bloodstream, what concentration is reached, and how long it remains in the patient's blood. SC-48334 is a chemical that prevents the biochemical actions of certain enzymes in the body, and recent studies have shown that it may also prevent the activity of HIV. The study will attempt to show whether SC-48334 can safely and effectively break the cycle of HIV infection in AIDS and advanced ARC by progressively eliminating HIV.

Full description

SC-48334 is a chemical that prevents the biochemical actions of certain enzymes in the body, and recent studies have shown that it may also prevent the activity of HIV. The study will attempt to show whether SC-48334 can safely and effectively break the cycle of HIV infection in AIDS and advanced ARC by progressively eliminating HIV. Six patients are enrolled sequentially into each of eight different dose levels and the drug is administered by mouth at least 60 minutes before meals according to the following schedule: Day 1: One-quarter of total assigned daily dose. Patients receive the dosage in the hospital as either an inpatient or outpatient and are observed for 12 hours, during which time they are evaluated and blood is drawn for pharmacokinetic studies. Patients return at 24 and 48 hours for a limited physical examination and additional pharmacokinetic studies. Days 4 - 31: Total assigned daily dose, one-quarter 4 times a day. Patients are observed for at least 5 days in the hospital following the start of this part of the program, during which time clinical, laboratory, and pharmacokinetic information is obtained in order to establish baseline values. After the 6th day, patients are evaluated with a complete physical exam, urinalysis, and laboratory studies once a week and a limited physical exam and brief laboratory studies 3 times a week. At each of the eight dose levels, the second and third patients receive their first dose only after the first patient has been followed for 72 hours after receiving the first dose. Patients 4, 5, and 6 begin treatment only after patients 2 and 3 have completed 14 days of the four-part total dose. Patients are treated on an outpatient basis, with 5 to 6 days spent in the hospital for evaluation.

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria

Concurrent Medication:

Allowed:

  • Aerosolized pentamidine.
  • Nystatin.
  • Clotrimazole.
  • Topical acyclovir.

Concurrent Treatment:

Allowed:

Blood transfusions for = or > grade 3 hemoglobin toxicity.

Exclusion Criteria

Co-existing Condition:

Patients with the following conditions will be excluded:

  • Clinical significant diarrhea (> 3 stools per day for > 7 days without definable cause).
  • Active opportunistic infection, requiring ongoing therapy, at time of enrollment.
  • Any malignancy besides Kaposi's sarcoma, basal cell carcinoma, or squamous cell carcinoma unless the squamous cell carcinoma requires ongoing therapy.
  • Neurologic disease including dementia, peripheral neuropathy, myelopathy (CDC category IVb).

Concurrent Medication:

Excluded:

  • Antimetabolites.
  • Alkylating agents.
  • Drugs with known hepatic or bone marrow toxicity.

Patients with significant organ dysfunction will be excluded.

Prior Medication:

Excluded:

  • Antimetabolites.
  • Alkylating agents.

Excluded within 30 days of study entry:

  • Any investigational medication.
  • Drugs with anti-HIV activity.

Excluded within 90 days of study entry:

  • Ribavirin treatment.

Excluded within 6 months of study entry:

  • Cancer chemotherapy.

Prior Treatment:

Excluded within 6 months of study entry:

Radiation therapy.

Patients must demonstrate the following clinical and laboratory findings:

  • AIDS or advanced AIDS related complex (ARC), according to Centers for Disease Control (CDC) category IV, excluding neurologic disease in IVb.
  • Ability to understand the terms of study participation.

Current use of illicit drugs or abuse of alcohol.

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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