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Phase III Randomized Study of Initial Empiric Antimicrobial Therapy with TMP-SMX/Erythromycin and Other Antibiotics as Indicated vs Pretreatment Bronchoalveolar Lavage and Pathogen-Specific Therapy in Immunocompromised Patients with Diffuse Interstitial Pneumonitis (Summary last modified 06/97)
Basic Trial Information
Objectives I. Assess whether the immunocompromised host developing a diffuse interstitial pneumonitis can be successfully managed with early empiric antimicrobial therapy or whether specific treatment directed by the results of a pretherapy bronchoalveolar lavage provides better management. II. Assess the efficacy of bronchoalveolar lavage in establishing a diagnosis in untreated patients and in patients who have failed empiric therapy. Entry Criteria Disease Characteristics: See General Eligibility Criteria Patient Characteristics: See General Eligibility Criteria General Eligibility Criteria: Patients who have an immunodeficiency or a malignant disease treated with antineoplastic drugs, corticosteroids, or pulmonary radiation and who develop a diffuse pneumonitis or hypoxia of unknown etiology (hypoxia defined as a corrected PaO2 less than 70 mm Hg or a decrease in PaO2 of 15% compared to a previously abnormal baseline). Patients with acquired immune deficiency syndrome (AIDS) are not eligible. Patients are not eligible if the cause of the pneumonitis or hypoxia is known with certainty; patients determined to have radiation-induced pneumonitis as a result of pulmonary radiation are not eligible. Patients may not be receiving treatment with the prophylactic antibiotics trimethoprim-sulfamethoxazole. Patients who are too thrombocytopenic for bronchoalveolar lavage (i.e., platelets not corrected to above 30,000/cumm) or who are deemed too unstable for the lavage procedure (i.e., non-intubated patients must have an arterial PO2 of at least 75 torr on supplemental oxygen; intubated patients must have positive-end expiratory pressures of no more than 10 cm H2O) are ineligible for randomization, as are patients with disseminated Varicella-Zoster infection. Expected Enrollment 104 patients/arm will be required. Outline Randomized study. Arm I: Empiric Antibiotic Therapy. Trimethoprim-Sulfamethoxazole, TMP-SMX; Erythromycin; plus (as indicated) Ceftazidime; Vancomycin; Gentamycin; Piperacillin; Amphotericin B. Arm II: Bronchoscopy plus Empiric or Specific Antibiotic Therapy. Bronchoalveolar lavage; plus TMP-SMX; Erythromycin; plus specific antibiotics as indicated by results of lavage. Trial Lead Organizations NCI - Center for Cancer Research-Medical Oncology
Note: The purpose of most clinical trials listed in this database is to test new cancer treatments, or new methods of diagnosing, screening, or preventing cancer. Because all potentially harmful side effects are not known before a trial is conducted, dose and schedule modifications may be required for participants if they develop side effects from the treatment or test. The therapy or test described in this clinical trial is intended for use by clinical oncologists in carefully structured settings, and may not prove to be more effective than standard treatment. A responsible investigator associated with this clinical trial should be consulted before using this protocol. |
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