THAL-DEX Incorporated Into Double PBSC Autotransplantation for Untreated Multiple Myeloma (MM)

Thalidomide-Dexamethasone Incorporated Into Double Autologous Stem-Cell Transplantation for Patients Less Than 65 Years of Age With Newly Diagnosed Multiple Myeloma

The marked activity of thalidomide (thal) and dexamethasone (dex) in relapsed and refractory multiple myeloma (MM) provided the basis for this phase 2 clinical study aimed at investigating the efficacy and toxicity of thal-dex incorporated into melphalan-based double autologous stem cell transplantation (ASCT)for patients less than 65 years old with newly diagnosed symptomatic MM. Thal-dex was given as primary induction therapy and was then continued throughout the subsequent treatment phases until the day before the second autotransplantation. Primary study endpoints,as evaluated on an intention to treat basis, are response rates to the different treatment phases (induction, first and second ASCT), best response whenever achieved, duration of response (DOR), time to progression (TTP), progression free survival (PFS)and toxicity profile of thal-dex. Secondary endpoints, as evaluated on an intention to treat basis, are overall survival (OS) and clinical outcomes (DOR, TTP, PFS and OS)according to prognostic factors, including cytogenetic abnormalities and imaging features, as detected by 18F-FDG PET/CT.

Study Overview

Study Type

Interventional

Enrollment (Actual)

378

Phase

  • Phase 2

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion criteria:

  • Confirmed diagnosis of symptomatic MM based on standard criteria.
  • No prior or current systemic therapy for MM, with exception of steroids.
  • At least 18 years and less than 65 years of age.
  • Presence of quantifiable M protein in serum or urine.
  • Durie & Salmon stage II-III or I with disease progression.
  • Adequate organ function (heart, lung).
  • No previous deep vein thrombosis and/or recurring thrombophlebitis and/or pulmonary embolisms, confirmed by doppler ultrasound or computed tomography scan.
  • Willing and able to comply with the protocol requirements.

Exclusion criteria:

  • Diagnosis of smouldering or asymptomatic MM, plasmacell leukemia, solitary plasmocytoma of the bone o extramedullary plasmocytoma.
  • Diagnosis of non-secretory MM.
  • Prior or current systemic therapy for MM, with exception of steroids.
  • More than 65 years of age.
  • Female subjects pregnant.
  • Non adequate organ function (heart, lung).
  • Patient has a prior history of thrombosis or venous thromboembolism or pulmonary embolism.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Response rate (at least PR, VGPR, nCR and CR) to thal-dex induction
Time Frame: 120 days after the start day of tal-dex induction therapy
Responses are reported by study investigators and centrally reassessed by study coordinator(s). Criteria are those initially proposed by the European Group for Blood and Marrow Transplantation (EBMT), with the addition of nCR (100% M-protein reduction by electrophoresis, but immunofixation-positive)and VGPR (at least 90% reduction of M component).
120 days after the start day of tal-dex induction therapy
duration of response (partial response, PR, very good partial response, VGPR, complete response, CR)
Time Frame: Average time period between the day of first achievement of response and the day of first relapse or progression
Duration of response is calculated from the first achievement of the response (at least PR, at least VGPR, at least CR) to relapse/progression
Average time period between the day of first achievement of response and the day of first relapse or progression
time to progression (TTP)
Time Frame: Average time period between the start day of induction therapy and the day of relapse or progression
TTP is calculated from the start date of induction therapy to the date of relapse/progression
Average time period between the start day of induction therapy and the day of relapse or progression
progression free survival (PFS)
Time Frame: Average time period between the start day of induction therapy and the day of relapse or progression or death, whichever occurs firstly
PFS is calculated from the start date of induction therapy to the date of relapse/progression or death for any cause, whichever occurs first
Average time period between the start day of induction therapy and the day of relapse or progression or death, whichever occurs firstly
toxicity of thal-dex (induction and subsequent treatment phases)
Time Frame: Within 30 days after the last dose of study drug
Adverse events are assessed monthly and graded according to the National Cancer Institute Common Toxicity Criteria, version 2. Safety is monitored until 30 days after the last dose of study drug.
Within 30 days after the last dose of study drug
Response rate (at least PR, VGPR, nCR and CR) to first ASCT
Time Frame: 90 days after first ASCT
Responses are reported by study investigators and centrally reassessed by study coordinator(s). Criteria are those initially proposed by the European Group for Blood and Marrow Transplantation (EBMT), with the addition of nCR (100% M-protein reduction by electrophoresis, but immunofixation-positive)and VGPR (at least 90% reduction of M component).
90 days after first ASCT
Response rate (at least PR, VGPR, nCR and CR) to second ASCT
Time Frame: 90 days after second ASCT
Responses are reported by study investigators and centrally reassessed by study coordinator(s). Criteria are those initially proposed by the European Group for Blood and Marrow Transplantation (EBMT), with the addition of nCR (100% M-protein reduction by electrophoresis, but immunofixation-positive)and VGPR (at least 90% reduction of M component).
90 days after second ASCT

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall survival (OS)
Time Frame: Average time period between the start day of induction therapy and the day of death, due to any cause
OS is measured from the start date of induction therapy until death from any cause
Average time period between the start day of induction therapy and the day of death, due to any cause
OS by cytogenetic abnormalities
Time Frame: Average time period between the start day of induction therapy and the day of death, due to any cause
OS is calculated as defined above in patients with or without high risk cytogenetic abnormalities (translocation t(4;14), deletion chromosome 17p, deletion chromosome 13q)
Average time period between the start day of induction therapy and the day of death, due to any cause
OS by 18F-FDG PET/CT imaging
Time Frame: Average time period between the start day of induction therapy and the day of death, due to any cause
OS is calculated as defined above in patients with different PET/CT patterns (normal, focal, diffuse, presence or absence of extramedullary disease)
Average time period between the start day of induction therapy and the day of death, due to any cause
TTP by cytogenetic abnormalities
Time Frame: Average time period between the start day of induction therapy and the day of relapse or progression
TTP is calculated as defined above in patients with or without high risk cytogenetic abnormalities (translocation t(4;14), deletion chromosome 17p, deletion chromosome 13q)
Average time period between the start day of induction therapy and the day of relapse or progression
PFS by cytogenetic abnormalities
Time Frame: Average time period between the start day of induction therapy and the day of relapse or progression or death, whichever occurs firstly
PFS is calculated as defined above in patients with or without high risk cytogenetic abnormalities (translocation t(4;14), deletion chromosome 17p, deletion chromosome 13q)
Average time period between the start day of induction therapy and the day of relapse or progression or death, whichever occurs firstly
TTP by 18F-FDG PET/CT imaging
Time Frame: Average time period between the start day of induction therapy and the day of relapse or progression
TTP is calculated as defined above in patients with different PET/CT patterns (normal, focal, diffuse, presence or absence of extramedullary disease)
Average time period between the start day of induction therapy and the day of relapse or progression
PFS by 18F-FDG PET/CT imaging
Time Frame: Average time period between the start day of induction therapy and the day of relapse or progression or death, whichever occurs firstly
PFS is calculated as defined above in patients with different PET/CT patterns (normal, focal, diffuse, presence or absence of extramedullary disease)
Average time period between the start day of induction therapy and the day of relapse or progression or death, whichever occurs firstly

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2002

Primary Completion (Actual)

October 1, 2007

Study Completion (Actual)

January 1, 2009

Study Registration Dates

First Submitted

March 31, 2011

First Submitted That Met QC Criteria

April 22, 2011

First Posted (Estimate)

April 25, 2011

Study Record Updates

Last Update Posted (Estimate)

April 25, 2011

Last Update Submitted That Met QC Criteria

April 22, 2011

Last Verified

March 1, 2011

More Information

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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