- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00966810
Allogeneic Stem Cell Transplantation in CML With Partial T Cell Depletion
Allogeneic Stem Cell Transplantation in CML With Partial T Cell Depletion and Preemptive Donor Lymphocyte Infusion.
Allogeneic stem cell transplantation, the only known curative modality for CML, was abandoned in recent years for a very effective and much less toxic targeted therapy with the tyrosine kinase inhibitors (TKIs). However, approximately one third of patients still need another treatment including stem cell transplantation. The study protocol comprised a cohort of consecutive patients with CML who received allogeneic stem cell transplantation using partial T cell depletion, with no post-transplant GvHD prophylaxis. Forty consecutive patients with CML underwent allogeneic stem cell transplantation from a matched sibling using partial T cell depletion (TCD), in a single institution. Escalated dose of donor lymphocyte infusion (DLI) was given in case of either relapse or presence of minimal residual disease (MRD) as detected by cytogenetic or molecular analysis.
The purpose of the study is to decrease transplant-related toxicity.
Study Overview
Status
Intervention / Treatment
Detailed Description
Patients were conditioned with oral busulfan 12mg/kg (days -6 to -4), cyclophosphamide 120mg/kg (days -3,-2), rabbit antithymocytic globulin, (Fresenius, Bad Hamburg, Germany) 25mg/kg (days -5 to -1) and fludarabine 200 mg/kg (days -7 to-3). Final busulfan dose was individually determined based on measurements of serum busulfan levels with a target dose of 850-1400 microM x minute.
Transplants were performed in reverse isolation rooms equipped with high-efficiency particulate air filtration systems (HEPA). No post-transplant GvHD prophylaxis was given. Post-transplant infection prophylaxis consisted of acyclovir, itraconazole, trimethoprim-sulfamethoxazole and penicillin VK. Cytomegalovirus (CMV) status was determined weekly using PCR for CMV-DNA and pp65 antigenemia in blood leukocytes, followed by preemptive ganciclovir administration when positive.
Donors Donors were human leukocyte antigen (HLA) A,B,C serologically matched and DR and DQ molecularly matched siblings. Donor stem cells were collected following mobilization with 10 µg/kg/day G-CSF, given subcutaneously for 5 consecutive days. CD34 cells were positively selected using anti-CD34 antibody conjugated to iron-dextran microbeads using CliniMACS device (Miltenyi Biotech, Bergisch Gladbach, Germany) with an aim to collect > 5.0 x 106 CD34 cells/kg.
Disease monitoring Following transplant, all patients were under close surveillance for the presence of minimal residual disease (MRD) using cytogenetic analysis and PCR for the detection of BCR/ABL transcripts. Bone marrow and peripheral blood samples were examined every 3 months in the first year post transplant and every 3-6 months in the subsequent years.
PCR method: RQ-PCR was performed according to the Europe Against Cancer (EAC) protocol.19 The BCR-ABL and ABL copy numbers were calculated by comparing with the standard curve generated using IPSOGEN FusionQuant Standards. The results of quantifying BCR-ABL transcripts were expressed as percentage ratios relative to total ABL transcripts.
A minimum number of 1x104 copies of ABL is the lower limit below which a negative RT-PCR was considered unreliable. In the molecular biology laboratory of the Rambam Health Care Campus the sensitivity for quantitative Q-PCR is (10-5).
Donor leukocyte infusion (DLI). DLI was administered in escalating dose regimen starting from 3 x 106 cells/kg followed as necessary by 1 x 107 cells/kg, 5 x 107 cells/kg and 1 x 108 cells/kg.
DLI was used in case of persistence/reappearance of BCR-ABL transcripts starting from 6 months post transplant onward. In instances where more than 1 DLI was administered the successive escalated dose was given at ≥ 3-month intervals as dictated by MRD follow-up.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
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Haifa, Israel, 31096
- Rambam Health Care Campus
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of chronic phase CML by hematological, cytogenetic and molecular studies.
- Age >18
- Candidates for allogeneic stem cell transplantation
- Available matched related donor
Exclusion Criteria:
- Age< 18 years
- Other malignancy
- Decreased cardiac function (by echo), reduced pulmonary function (decreased DLCO, FEV1), abnormal kidney function (creatinine > 1.5 N), abnormal liver function (AST, ALT >2N)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NON_RANDOMIZED
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: CML allogeneic stem cell transplantation
Patients with chronic myeloid leukemia suitable for allogeneic stem cell transplantation with a matched related donor.
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Patients were conditioned with oral busulfan 12mg/kg (days -6 to -4), cyclophosphamide 120mg/kg (days -3,-2), rabbit antithymocytic globulin, (Fresenius, Bad Hamburg, Germany) 25mg/kg (days -5 to -1) and fludarabine 200 mg/kg (days -7 to-3).
CD34 cells were positively selected using anti-CD34 antibody conjugated to iron-dextran microbeads using CliniMACS device (Miltenyi Biotech, Bergisch Gladbach, Germany) with an aim to collect > 5.0 x 106 CD34 cells/kg.
DLI was administered in escalating dose regimen starting from 3 x 106 cells/kg followed as necessary by 1 x 107 cells/kg, 5 x 107 cells/kg and 1 x 108 cells/kg.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Disease free survival
Time Frame: The outcome is assessed at the end of transplant and every 3-6 months thereafter continuously.
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The outcome is assessed at the end of transplant and every 3-6 months thereafter continuously.
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Overall survival
Time Frame: Every 3-6 months after transplant continuously.
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Every 3-6 months after transplant continuously.
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jacob M Rowe, MD, Rambam Health Care Campus
Publications and helpful links
General Publications
- O'Brien SG, Guilhot F, Larson RA, Gathmann I, Baccarani M, Cervantes F, Cornelissen JJ, Fischer T, Hochhaus A, Hughes T, Lechner K, Nielsen JL, Rousselot P, Reiffers J, Saglio G, Shepherd J, Simonsson B, Gratwohl A, Goldman JM, Kantarjian H, Taylor K, Verhoef G, Bolton AE, Capdeville R, Druker BJ; IRIS Investigators. Imatinib compared with interferon and low-dose cytarabine for newly diagnosed chronic-phase chronic myeloid leukemia. N Engl J Med. 2003 Mar 13;348(11):994-1004. doi: 10.1056/NEJMoa022457.
- Hughes TP, Kaeda J, Branford S, Rudzki Z, Hochhaus A, Hensley ML, Gathmann I, Bolton AE, van Hoomissen IC, Goldman JM, Radich JP; International Randomised Study of Interferon versus STI571 (IRIS) Study Group. Frequency of major molecular responses to imatinib or interferon alfa plus cytarabine in newly diagnosed chronic myeloid leukemia. N Engl J Med. 2003 Oct 9;349(15):1423-32. doi: 10.1056/NEJMoa030513.
- Druker BJ, Guilhot F, O'Brien SG, Gathmann I, Kantarjian H, Gattermann N, Deininger MW, Silver RT, Goldman JM, Stone RM, Cervantes F, Hochhaus A, Powell BL, Gabrilove JL, Rousselot P, Reiffers J, Cornelissen JJ, Hughes T, Agis H, Fischer T, Verhoef G, Shepherd J, Saglio G, Gratwohl A, Nielsen JL, Radich JP, Simonsson B, Taylor K, Baccarani M, So C, Letvak L, Larson RA; IRIS Investigators. Five-year follow-up of patients receiving imatinib for chronic myeloid leukemia. N Engl J Med. 2006 Dec 7;355(23):2408-17. doi: 10.1056/NEJMoa062867.
- Jabbour E, Cortes JE, Kantarjian HM. Molecular monitoring in chronic myeloid leukemia: response to tyrosine kinase inhibitors and prognostic implications. Cancer. 2008 May 15;112(10):2112-8. doi: 10.1002/cncr.23427.
- de Lavallade H, Apperley JF, Khorashad JS, Milojkovic D, Reid AG, Bua M, Szydlo R, Olavarria E, Kaeda J, Goldman JM, Marin D. Imatinib for newly diagnosed patients with chronic myeloid leukemia: incidence of sustained responses in an intention-to-treat analysis. J Clin Oncol. 2008 Jul 10;26(20):3358-63. doi: 10.1200/JCO.2007.15.8154. Epub 2008 Jun 2.
- Gratwohl A, Hermans J, Goldman JM, Arcese W, Carreras E, Devergie A, Frassoni F, Gahrton G, Kolb HJ, Niederwieser D, Ruutu T, Vernant JP, de Witte T, Apperley J. Risk assessment for patients with chronic myeloid leukaemia before allogeneic blood or marrow transplantation. Chronic Leukemia Working Party of the European Group for Blood and Marrow Transplantation. Lancet. 1998 Oct 3;352(9134):1087-92. doi: 10.1016/s0140-6736(98)03030-x.
- Passweg JR, Walker I, Sobocinski KA, Klein JP, Horowitz MM, Giralt SA; Chronic Leukemia Study Writing Committee of the International Bone Marrow Transplant Registry. Validation and extension of the EBMT Risk Score for patients with chronic myeloid leukaemia (CML) receiving allogeneic haematopoietic stem cell transplants. Br J Haematol. 2004 Jun;125(5):613-20. doi: 10.1111/j.1365-2141.2004.04955.x.
- Baccarani M, Saglio G, Goldman J, Hochhaus A, Simonsson B, Appelbaum F, Apperley J, Cervantes F, Cortes J, Deininger M, Gratwohl A, Guilhot F, Horowitz M, Hughes T, Kantarjian H, Larson R, Niederwieser D, Silver R, Hehlmann R; European LeukemiaNet. Evolving concepts in the management of chronic myeloid leukemia: recommendations from an expert panel on behalf of the European LeukemiaNet. Blood. 2006 Sep 15;108(6):1809-20. doi: 10.1182/blood-2006-02-005686. Epub 2006 May 18.
- Goldman JM. How I treat chronic myeloid leukemia in the imatinib era. Blood. 2007 Oct 15;110(8):2828-37. doi: 10.1182/blood-2007-04-038943. Epub 2007 Jul 12.
- Zuckerman T, Katz T, Haddad N, Fineman R, Dann EJ, Avivi I, Ofran Y, Gavish I, Faibish T, Sahar D, Hertz E, Sabo E, Reisner Y, Rowe JM. Allogeneic stem cell transplantation for patients with chronic myeloid leukemia: risk stratified approach with a long-term follow-up. Am J Hematol. 2012 Sep;87(9):875-9. doi: 10.1002/ajh.23263. Epub 2012 Jul 27.
Study record dates
Study Major Dates
Study Start
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CML ASCTCTIL
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