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Blinatumomab in infant ALL


- candidate number27334
- NTR NumberNTR6359
- ISRCTNISRCTN no longer applicable
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR30-mei-2017
- Secondary IDs2016-004674-17 EudraCT
- Public TitleBlinatumomab in infant ALL
- Scientific TitleA pilot study to test the feasibility, safety and efficacy of the addition of the BiTE antibody Blinatumomab to the Interfant-06 backbone in infants with MLL-rearranged acute lymphoblastic leukemia. A collaborative study of the Interfant network
- ACRONYMBlinatumomab in infant ALL
- hypothesisBlinatumomab may represent an additional therapeutic option for patients with infant ALL, who have an unmet need for treatment options that improve efficacy and/or have improved safety profile. The expected benefit will be improved efficacy of treatment. Blinatumomab will be added to the Interfant-06 protocol, and this might add additional toxicity. However less patients may need a haematopoetic stem cell transplantation because of reduction in MRD, decreasing the toxicity and treatment related mortality in this cohort of patients. Infants will be treated with blinatumomab after induction therapy, so not when having overt leukemia. They are therefore expected to experience less side effects than patients treated with blinatumomab for overt leukemia.
- Healt Condition(s) or Problem(s) studiedAcute Lymfatic Leukemia (ALL)
- Inclusion criteriaIn order to be eligible to participate in this study, a patient must meet all of the following criteria:
1. Patients must be treated according to Interfant-06 backbone
2. Patients must have newly diagnosed, CD19 positive, B-precursor acute lymphoblastic leukemia
3. Morphological verification of the diagnosis, confirmed with immunophenotyping
4. < 365 days of age at time of diagnosis of ALL
5. > 28 days of age at start of blinatumomab administration
6. MR and HR patients according to risk stratification of the Interfant-06 protocol, thus including all MLL-rearranged and MLL not-evaluable patients (these latter are stratified and treated according to MR).
7. M1 or M2 bone marrow after induction (~day 33). If the peripheral blood shows pancytopenia at day 33 it is justified to postpone the bone marrow puncture according to the Interfant-06 protocol. If the bone marrow at day 33 is hypocellular and one is therefore unable to determine M1 or M2 status, then the bone marrow puncture should be repeated.
8. Written informed consent from parents or guardians
- Exclusion criteriaA potential patient who meets any of the following criteria will be excluded from participation in this study:
1. Biphenotypic ALL
2. Mature B-ALL
3. Presence of t(9;22) (q34;q11) or BCR-ABL fusion transcript
4. M3 marrow after induction
5. Patients with Down syndrome (because of increased toxicity of conventional chemotherapy)
6. Clinically relevant CNS pathology requiring treatment (eg unstable epilepsy)
7. Evidence of CNS involvement of ALL (CNS2 or CNS3) at the end of induction. Subjects with CNS disease at the time of diagnosis are eligible if a CNS1 status is obtained prior to enrolment (lumbar puncture at ~day 29 of induction)
8. Known infection with human immunodeficiency virus (HIV)
9. Known hypersensitivity to immunoglobulins or any of the products or components to be administered during dosing

Exclusion criteria before start (-d3) of blinatumomab:
1. Peripheral neutrophils <0.5 x 109/l (for M1 marrow only, with a maximum delay of 2 weeks. Patients with M2 bone marrow will not recover their blood counts and can start as soon as the other inclusion criteria are met)
2. Peripheral platelets < 50 x 109/L (for M1 marrow only with a maximum delay of 2 weeks. Patients with M2 bone marrow will not recover their blood counts and can start as soon as the other inclusion criteria are met)
3. Creatinine > 1.5 X ULN, based on the normal ranges for age and gender of the local laboratories
4. Direct bilirubin > 3 x ULN unless the patient has documented Gilbert Syndrome
5. Chemotherapy related toxicities that have not resolved to < grade 2
6. Symptoms and/or clinical signs and/or radiological and/or sonographic signs that indicate an acute or uncontrolled chronic infection, any other concurrent disease or medical condition that could be exacerbated by the treatment or would seriously complicate compliance with the protocol.
- mec approval receivedno
- multicenter trialyes
- randomisedno
- group[default]
- TypeSingle arm
- Studytypeintervention
- planned startdate 1-sep-2017
- planned closingdate1-mrt-2017
- Target number of participants30
- InterventionsBlinatumomab is added to the standard arm of the Interfant-06 backbone (IA-IB-MARMA-OCTADAD-maintenance). After induction therapy (IA) patients will receive 1 course of blinatumomab 15 g/m2/day as a 4 week continuous infusion before protocol IB.
- Primary outcomePrimary endpoint Incidence of clinically relevant toxicities defined as any toxicity that is possibly or definitely attributable to blinatumomab AND results in permanent discontinuation of blinatumomab OR death.
- Secondary outcomeSecondary endpoints
Toxicity/feasibility:
1. Incidence and severity of (serious) adverse events, independently to relationship with blinatumomab
2. Number of treatment interruptions due to toxicity occurring during blinatumomab
3. Proportion of patients that receive a full course (4 weeks) of blinatumomab
4. Incidence and severity of key safety parameters till start of maintenance and during long-term follow-up
Activity/Efficacy:
5. MRD response at the following time-points: TP2 d33 (end of induction), TPblina1 d15 (after initial 15 days of blinatumomab) and TPblina2 d29 (after the complete course of blinatumomab)
6. MRD response at the following time-points: TP2 d33 (end of induction) and TP4 (end of Protocol IB)
7. Proportion of MR patients with MRD > 5x10-4 before OCTADAD (indication for SCT)
8. cCR/CR and 6 months post-induction EFS and the long-term EFS and OS Pharmacokinetics:
9. Steady state concentration of blinatumomab (Css)
- TimepointsFPI: September 2017
LPI : March 2019
LPO: October 2019 (toxicity/feasibility/activity endpoints)
LPO: October 2021 (efficacy EFS/OS)
- Trial web site
- statusplanned
- CONTACT FOR PUBLIC QUERIESdr. I.M. van der Sluijs
- CONTACT for SCIENTIFIC QUERIESdr. I.M. van der Sluijs
- Sponsor/Initiator Princess Maxima Center for Pediatric Oncology
- Funding
(Source(s) of Monetary or Material Support)
Go4Children, Amgen, Mammoet
- Publications
- Brief summary: Infant acute lymphoblastic leukemia (ALL) is a rare disease and comprises about 4% of childhood ALL. Whereas the outcome of older children improved to >85% EFS, newly diagnosed infants ( < 1 year of age) with ALL have a worse prognosis with an EFS of 47%. Especially those with mixed lineage leukemia- rearrangement (MLL-R), which is found in 80% of the infants, have a worse outcome than older children with ALL. Relapses occur early and survival after relapse is only 20%. Therefore upfront treatment need to be improved and these patients need innovative strategies directed against novel targets. Blinatumomab is a bispecific single-chain antibody designed to link CD19 expressing B cells and CD3+ T-cells resulting in T-cell activation and a cytotoxic T-cell response against the CD19 expressing cells. In vitro data indicate CD19+ lymphoma and leukemia cell lines to be extremely sensitive to blinatumomab-mediated cytotoxicity. Blasts in infant ALL express CD19. Also, clinical studies show that blinatumomab is an efficacious and well-tolerated treatment in children and adults with B-lineage ALL after intensive chemotherapy. We hypothesize that 1 course of blinatumomab can be added safely to the Interfant-06 backbone and will reduce MRD levels in infant ALL.
This pilot study will be performed in selected centers with experience in blinatumomab trials within the Interfant group (The Interfant study group is a collaborative group that consists of all major European study groups and several large pediatric study groups outside Europe) and will be used to test the feasibility of adding blinatumomab to the Interfant-06 protocol. The toxicity and safety data of this pilot study will directly influence the drug choice and schedule given to infants in the worldwide collaborative COG/JPLSG/Interfant group trial.
- Main changes (audit trail)
- RECORD30-mei-2017 - 15-jun-2017


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