Overview

S9628 Dexamethasone Plus Interferon Alfa in Treating Patients With Primary Systemic Amyloidosis

Status:
Completed
Trial end date:
2000-07-01
Target enrollment:
0
Participant gender:
All
Summary
RATIONALE: Chemotherapy plus interferon alfa may be effective for primary systemic amyloidosis. PURPOSE: Phase II trial to study the effectiveness of dexamethasone plus interferon alfa in treating patients who have primary systemic amyloidosis.
Phase:
Phase 2
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Southwest Oncology Group
Collaborators:
Cancer and Leukemia Group B
National Cancer Institute (NCI)
Treatments:
BB 1101
Dexamethasone
Dexamethasone 21-phosphate
Dexamethasone acetate
Interferon-alpha
Interferons
Criteria
DISEASE CHARACTERISTICS:

- Histologically diagnosed primary systemic amyloidosis based on the following:

- Deposition of fibrillary protein with Congo red positive stain or characteristic
electron microscopic appearance

- Monoclonal light chain protein (Bence-Jones protein) in serum or urine or
immunohistochemical studies

- Evidence of tissue involvement other than carpal tunnel syndrome

- Diagnostic histologic material available for central pathology review

- Confirmation of tissue diagnosis at all sites of organ dysfunction
encouraged

- No senile, secondary, localized, dialysis-related, or familial amyloidosis

- No known therapy-related myelodysplasia

PATIENT CHARACTERISTICS:

Age:

- Adult

Performance status:

- SWOG 0-4

Hematopoietic:

- Not specified

Hepatic:

- Not specified

Renal:

- Not specified

Cardiovascular:

- No NYHA class IV status

Other:

- No uncontrolled diabetes

- No active peptic ulcer disease

- No medical condition that precludes high-dose steroids

- No second malignancy within 5 years except:

- Adequately treated nonmelanomatous skin cancer

- In situ cervical cancer

- Adequately treated stage I/II cancer in complete remission

- Not pregnant or nursing

- Effective contraception required of fertile patients

- Blood/body fluid analyses within 14 days prior to registration

- Imaging/exams for tumor measurement within 28 days prior to registration

- Other screening exams within 42 days prior to registration

PRIOR CONCURRENT THERAPY:

Biologic therapy

- No prior interferon alfa

Chemotherapy

- Prior melphalan allowed, but recovered from effects

- At least 4 weeks since cytotoxic therapy and recovered

Endocrine therapy

- Prior prednisone allowed, but recovered from effects

- At least 4 weeks since prior glucocorticoids

- No prior dexamethasone

- No planned or concurrent dexamethasone or other therapy for primary systemic
amyloidosis

Radiotherapy

- Not specified

Surgery

- Not specified