Radioimmunotherapy (RIT) in MULTIPLE MYELOMA Using the Antibody B-B4 Radiolabelled With IODE 131

Study Overview
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Brief Summary
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The first step of this protocol called step pre-treatment study the biodistribution and pharmacokinetics of a tracer dose of radiolabeled antibody. The second step called step therapy study the toxicity and antitumor effects of antibody B-B4 coupled with increasing doses of iodine 131. At least 17 patients will be included for an estimated duration of 2 years to determine the maximum tolerated dose and dose limiting toxicity. The immediate side effects, medium and long terms will be analyzed. After determining the toxic dose limit, patients will be treated at the maximum tolerated dose, for a total of 15 patients at this level, which will measure the objective tumor response to treatment. These patients will be followed for 1 year after injection therapy. ÉcouterLire phonétiquement

Official Title
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Phase I of Radioimmunotherapy (RIT) in MULTIPLE MYELOMA Using the Antibody B-B4 Radiolabelled With IODE 131

Conditions
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Multiple Myeloma

Intervention / Treatment
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* Drug: BB4 antibody-Iodine 131


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients with a confirmed diagnosis of multiple myeloma (> 10% plasma cells on a previous myelogram) Secretion of a monoclonal immunoglobulin No myelodysplasia evaluated by myelogram Disease refractory or relapsed after at least 3 lines of therapy Patients with a dated and signed the consent form Collection of autologous peripheral blood stem cells containing at least 2. 106 CD 34 + cells / kg Age> 18 years Performance status <2 (see Annex I), life expectancy of more than 3 months No chemotherapy or radiotherapy within 4 weeks before inclusion No major surgery within 4 weeks preceding the assessment of inclusion No bisphosphonates within 2 weeks prior radioimmunotherapy, except for treatment started more than three months ago. Normality of the biological assessment: Creatinine less than or equal to 1.5 times the normal laboratory Liver: less than or equal to 1.5 times the normal laboratory (free and conjugated bilirubin, SGOT, SGPT, gamma GT PAL) Hemoglobin ≥ 8 g/mm3 ≥ 3 WBC 000/mm3 Neutrophils ≥ 1 500/mm3 Platelets ≥ 100 000/mm3 Exclusion Criteria: Patients with other cancers except uterine carcinoma in situ or basal cell skin carcinoma Patients with other (s) condition (s) Severe (s) to prevent tolerance to study and conduct the study to completion Patient is pregnant or unwilling to take a contraceptive treatment for three months after treatment Collection of peripheral blood stem cells containing less than 2106 CD 34 + cells / kg Patients enrolled in another experimental treatment protocol Patients who already received treatment with radioimmunotherapy Myelodysplasia assessed by myelogram Patient with thyroid Patient unable to sign informed consent ÉcouterLire phonétiquement

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: BB4 antibody-Iodine 131<br> | Drug: BB4 antibody-Iodine 131<br>* Injection of an antibody after labelling with Iodine 131<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The dose limiting toxicities (DLT) will be analysed in order to determine the maximal tolerated dose (MTD) in a dose escalation study design. |  |  |