- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00006021
Arsenic Trioxide Plus Vitamin C in Treating Patients With Recurrent or Refractory Multiple Myeloma
Phase I/II Trial of Arsenic Trioxide (As2O3) With Ascorbic Acid in the Treatment of Relapsed/Refractory Multiple Myeloma
RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Vitamin C may increase the effectiveness of arsenic trioxide by making cancer cells more sensitive to the drug.
PURPOSE: Phase I/II trial to determine the effectiveness of arsenic trioxide plus vitamin C in treating patients who have recurrent or refractory multiple myeloma.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
OBJECTIVES:
- Determine the maximum tolerated dose of arsenic trioxide when administered with ascorbic acid in patients with recurrent or refractory multiple myeloma.
- Determine the therapeutic efficacy of this treatment combination in these patients.
- Determine the expression of MDR and Bcl-xL genes and the intracellular levels of GSH in these patients before and after this treatment regimen and assess whether these measures have prognostic value.
OUTLINE: This is a multicenter, dose-escalation study of arsenic trioxide.
- Phase I: Patients receive arsenic trioxide IV over 1-4 hours and ascorbic acid IV over 5-10 minutes on days 1-5 weekly for 5 weeks. Treatment continues every 7 weeks for up to 6 courses in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of arsenic trioxide until the maximum tolerated dose (MTD) is reached. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.
- Phase II: Patients receive the MTD of arsenic trioxide with ascorbic acid as outlined above.
Patients are followed monthly for up to 5 years.
PROJECTED ACCRUAL: A total of 31-43 patients (6-18 for phase I and 16-25 for phase II) will be accrued for this study within 2.5 years.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
-
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Florida
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Miami, Florida, United States, 33136
- University of Miami Sylvester Comprehensive Cancer Center
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Miami, Florida, United States, 33136
- Cedars Medical Center
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Miami, Florida, United States, 33176-2197
- Baptist-South Miami Regional Cancer Program
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Miami Beach, Florida, United States, 33140
- Mount Sinai Comprehensive Cancer Center at Mount Sinai Medical Center
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
DISEASE CHARACTERISTICS:
Histologically confirmed multiple myeloma
- M-protein by serum protein electrophoresis or urine protein electrophoresis
- Quantitative determination of immunoglobulin
- Bone marrow biopsy and aspirate with a plasma cell count greater than 10%
Refractory or chemoresistant disease defined as failure to respond (less than 50% reduction in M protein level) or progression within 2 months after receiving at least 2 chemotherapy regimens including:
- Alkylating based regimen (melphalan) in combination with steroids (prednisone) or other chemotherapy regimens (e.g., vincristine, bleomycin, melphalan, cyclophosphamide, and prednisone or vincristine, carmustine, doxorubicin, and prednisone)
- Vincristine, doxorubicin, and dexamethasone (VAD) regimen
- Pulse therapy with high dose steroids alone
- High dose alkylating agent and autologous stem cell transplantation
- Allogeneic bone marrow transplantation
Plateau phase defined as M protein in the serum or urine for more than 6 weeks despite response to prior therapy
- Must have received at least 2 of the chemotherapy regimens listed above or equivalent regimens
Recurrent disease defined as progression more than 2 months after initial therapy and failure to respond (less than 50% reduction or progression in M protein levels) to 1 chemotherapy regimen listed above or other salvage regimens (e.g., high-dose cyclophosphamide or topotecan)
- Must have received VAD or other equivalent chemotherapy regimen
- Should be considered for autologous or allogenic transplantation
- Prior local radiotherapy allowed
PATIENT CHARACTERISTICS:
Age:
- Over 18
Performance status:
- Karnofsky 60-100%
Life expectancy:
- Not specified
Hematopoietic:
- WBC at least 2,000/mm^3*
- Platelet count at least 50,000/mm^3* NOTE: *Unless attributable to bone marrow infiltration by multiple myeloma
Hepatic:
- Bilirubin less than 3 mg/dL
- Transaminases less than 2.5 times upper limit of normal (ULN)
Renal:
- Creatinine less than 1.5 times ULN OR
- Creatinine clearance at least 60 mL/min
Cardiovascular:
- No cardiac arrhythmias including recurrent supraventricular arrhythmia, any type of sustained ventricular arrhythmia, or conduction block (atrioventricular block grade II or III, left bundle branch block)
- Ejection fraction at least 30%
- No uncontrolled ischemic heart disease
Other:
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective barrier contraception during and for 4 months after study
- HIV negative
- No grade 3 or higher neurological disorder, including seizure disorders
- No underlying medical condition that would preclude study
- No other active malignancy except adequately treated basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix
PRIOR CONCURRENT THERAPY:
Biologic therapy:
- See Disease Characteristics
Chemotherapy:
- See Disease Characteristics
- At least 2 weeks since prior chemotherapy
Endocrine therapy:
- See Disease Characteristics
- Concurrent steroid treatment allowed except for primary treatment of myeloma
Radiotherapy:
- See Disease Characteristics
- Concurrent local radiotherapy for pain or symptom control allowed provided the pain or symptom is not related to disease progression
Surgery:
- Not specified
Other:
- No other concurrent ascorbic acid supplements
- No other concurrent investigational drug or therapy
- Concurrent bisphosphonates allowed
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NON_RANDOMIZED
- Interventional Model: SINGLE_GROUP
- Masking: NONE
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Disease response as measured by M protein quantitation and the percentage of plasma cell infiltration in bone marrow biopsies after every course
|
Secondary Outcome Measures
Outcome Measure |
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Toxicity as measured by CTCAE criteria
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Kelvin Lee, MD, University of Miami Sylvester Comprehensive Cancer Center
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Immunoproliferative Disorders
- Hematologic Diseases
- Hemorrhagic Disorders
- Hemostatic Disorders
- Paraproteinemias
- Blood Protein Disorders
- Multiple Myeloma
- Neoplasms, Plasma Cell
- Plasmacytoma
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antineoplastic Agents
- Protective Agents
- Micronutrients
- Vitamins
- Antioxidants
- Arsenic Trioxide
- Ascorbic Acid
Other Study ID Numbers
- 20000156
- CDR0000068033 (REGISTRY: PDQ (Physician Data Query))
- SCCC-2000010 (OTHER: University of Miami Sylvester Comprehensive Cancer Center)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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