S0232 Dexamethasone With or Without Lenalidomide in Treating Patients With Previously Untreated Stage I, Stage II, or Stage III Multiple Myeloma

S

SWOG Cancer Research Network

Status and phase

Completed
Phase 3

Conditions

Multiple Myeloma
Plasma Cell Neoplasm

Treatments

Other: placebo
Drug: lenalidomide
Drug: dexamethasone

Study type

Interventional

Funder types

NETWORK
NIH

Identifiers

NCT00064038
S0232 (Other Identifier)
U10CA032102 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

RATIONALE: Drugs used in chemotherapy such as dexamethasone use different ways to stop cancer cells from dividing so they stop growing or die. Lenalidomide may stop the growth of multiple myeloma by stopping blood flow to the tumor. It is not yet known whether dexamethasone is more effective with or without lenalidomide in treating multiple myeloma. PURPOSE: This randomized phase III trial is studying dexamethasone and lenalidomide to see how well they work compared to dexamethasone alone in treating patients with previously untreated stage I, stage II, or stage III multiple myeloma.

Full description

OBJECTIVES: Compare the progression-free survival of patients with previously untreated stage I, II, or III multiple myeloma treated with dexamethasone with or without lenalidomide. Compare the overall response rate in patients treated with these regimens. Compare the major response rate (indicated by greater than 75% decrease in M-protein) in patients treated with these regimens. Compare the overall survival and time to best response in patients treated with these regimens. Compare the toxicity profile of these regimens, including thrombotic complications, in these patients. Compare the effect of these regimens on gene expression and proteomic analysis in these patients. OUTLINE: This is a randomized, double-blind, crossover, multicenter study. Patients are stratified according to disease stage by the International Staging System (I vs II vs III) and Zubrod performance status (0-1 vs 2-3). Patients are randomized to 1 of 2 treatment arms. Arm I Induction therapy: Patients receive oral dexamethasone (DM) on days 1-4, 9-12, and 17-20 and oral lenalidomide on days 1-28. Treatment repeats every 35 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. Maintenance therapy: Patients receive oral DM on days 1-4 and 15-18 and oral lenalidomide on days 1-21. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Arm II Induction therapy: Patients receive DM as in arm I induction and oral placebo on days 1-28. Treatment repeats as in arm I induction. Patients with responding or stable disease proceed to maintenance therapy. Patients with disease progression during induction therapy cross over and receive unblinded treatment with DM and lenalidomide as in arm I induction. Patients with responding or stable disease after unblinded induction therapy receive unblinded maintenance therapy with DM and lenalidomide as in arm I maintenance. Maintenance therapy: Patients receive oral DM as in arm I maintenance and oral placebo on days 1-21. Courses repeat as in arm I maintenance. Patients with disease progression during maintenance therapy cross over and receive unblinded treatment with DM and lenalidomide as in arm I induction. Patients with responding or stable disease after unblinded induction therapy proceed to unblinded maintenance therapy with DM and lenalidomide as in arm I maintenance. Patients are followed periodically for up to 5 years. PROJECTED ACCRUAL: A total of 500 patients (250 per treatment arm) will be accrued for this study within 4 years.

Enrollment

198 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

DISEASE CHARACTERISTICS:

Previously untreated multiple myeloma

Stage I, II, or III disease by the International Staging System

Measurable M-protein as defined by 1 of the following:

  • Serum M-protein at least 1.0 g/dL by serum protein electrophoresis or immunoelectrophoresis
  • Urinary M-protein excretion at least 200 mg/24 hours
  • No nonsecretory multiple myeloma
  • Not planning to undergo future autologous stem cell transplantation

PATIENT CHARACTERISTICS:

Age

18 and over

Performance status

Zubrod 0-3* NOTE: *Zubrod 3 allowed only if multiple myeloma is the central cause of disability

Life expectancy

Not specified

Hematopoietic

  • Platelet count at least 80,000/mm^3*
  • Absolute neutrophil count at least 1,000/mm^3*
  • Hemoglobin at least 9 g/dL* (epoetin alfa or transfusion allowed) NOTE: *Unless due to greater than 50% marrow involvement by myeloma on biopsy

Hepatic

AST/ALT no greater than 3 times upper limit of normal* NOTE: *Values outside of this range are allowed at the investigator's discretion

Renal

Creatinine no greater than 2.5 mg/dL* NOTE: *Values outside of this range are allowed at the investigator's discretion

Cardiovascular

  • No New York Heart Association class III or IV heart failure
  • No myocardial infarction within the past 6 months
  • No poorly controlled hypertension

Other

  • Not pregnant or nursing
  • Negative pregnancy test

Fertile patients must use effective contraception for 4 weeks before, during, and for 4 weeks after study treatment

  • Female patients must use 2 reliable forms of contraception simultaneously
  • Male patients must use effective barrier contraception
  • No uncontrolled active infection requiring IV antibiotics
  • No poorly controlled diabetes mellitus that would preclude ability to take oral glucocorticoids
  • No other serious medical condition that would preclude study participation
  • No psychiatric illness that would preclude study participation
  • No other malignancy within the past 3 years except adequately treated basal cell or squamous cell skin cancer or carcinoma in situ of the cervix
  • Must be able to take aspirin by mouth at a dose of 325 mg per day or enoxaparin subcutaneously at a dose of 40 mg per day as a form of thrombotic prophylaxis, except if already on therapeutic anticoagulant medication

PRIOR CONCURRENT THERAPY:

Biologic therapy

No prior interferon or thalidomide

Chemotherapy

No prior chemotherapy

Endocrine therapy

Prior high-dose dexamethasone allowed provided duration of administration was no more than 4 days

Radiotherapy

Prior localized radiotherapy allowed provided it was not to the sole site of evaluable disease

Surgery

Not specified

Other

  • No prior treatment for clinically significant ventricular cardiac arrhythmias
  • Concurrent bisphosphonates allowed

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

198 participants in 2 patient groups

Arm I
Experimental group
Description:
Patients receive induction therapy comprising oral dexamethasone (DM) on days 1-4, 9-12, and 17-20 and oral lenalidomide on days 1-28. Treatment repeats every 35 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. Patients then receive maintenance therapy comprising oral DM on days 1-4 and 15-18 and oral lenalidomide on days 1-21. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Treatment:
Drug: dexamethasone
Drug: lenalidomide
Arm II
Active Comparator group
Description:
Patients receive induction therapy comprising DM as in arm I induction and oral placebo on days 1-28. Treatment repeats as in arm I induction. Some patients may then receive maintenance therapy comprising oral DM as in arm I maintenance and oral placebo on days 1-21. Courses repeat as in arm I maintenance.
Treatment:
Drug: dexamethasone
Other: placebo

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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