An Open-Label, Uncontrolled Clinical Trial of Oral 566C80 for the Treatment of Patients With Severe PCP Who Are Intolerant and/or Unresponsive to Therapy With Trimethoprim/Sulfamethoxazole and Parenteral Pentamidine

Inclusion Criteria

Patients must have the following:

• Clinical diagnosis of acute severe Pneumocystis carinii pneumonia (PCP).
• Dose-limiting intolerance to TMP / SMX and parenteral pentamidine.
• Willingness and ability to give informed consent.

Exclusion Criteria

Co-existing Condition:

Excluded:

• Patients with a history of intolerance to 566C80. Patients with the following prior conditions are excluded: History of serious dose-limiting adverse experience during previous 566C80 therapy, thought to be attributable to the drug.

Required:

• Trimethoprim / sulfamethoxazole (TMP/SMX); pentamidine.