Venetoclax in Association With 3+7 and Midostaurin in FLT3-mutated Acute Myeloid Leukemia
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In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Venetoclax in association with 3+7 and midostaurin.
- Who it may be relevant to
- Registry conditions: Leukemia, Myeloid, Acute. Basic parameters: 18 years — 70 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- France
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Official title
Phase 1/2 Evaluating the Addition of Venetoclax to Standard 3+7 and Midostaurin Induction Treatment in Patients With FLT3-mutated Acute Myeloid Leukemia Eligible to Intensive Chemotherapy - MIDOVEN
Overview
Acute myeloid leukemia (AML) with FLT3 mutation accounts for 30% of patients and is associated with a poor prognosis. Because of the FLT3 mutation, a tyrosine kinase inhibitor, midostaurin (MIDO), is added to the standard treatment with daunorubicin and cytarabine, from D8 to D21 of induction and of each consolidation cycle, followed by one year of maintenance. Venetoclax (VEN), a BCL2 inhibitor, has revolutionized the management of AML patients ineligible for intensive chemotherapy, in combination with azacitidine or cytarabine. The investigators hypothesize that a four-drug induction regimen (daunorubicin+cytarabine+MIDO+VEN) will increase complete remission (CR) rate without measurable residual disease (MRD) and improve event free survival (EFS), relapse free survival (RFS) and overall survival (OS) of this subgroup of patients with unmet medical need.
Detailed description
Screening of 226 clinical trials on ClinTrial.gov showed 26 studies evaluating intensive chemotherapy (daunorubicin+cytarabine) and VEN but none in combination with MIDO even though 30% of patients eligible for intensive chemotherapy do receive such a regimen. Intensive chemotherapy and MIDO showed a significant median overall survival improvement but a moderate increase of patients still alive at 3 years, around an additional 10% 1. Moreover, MIDO does not allow an increase in proportion of patients in first complete remission (CR1) or CR with incomplete hematologic recovery (CRi1) after the 1st induction course. Another study with a second-generation tyrosine kinase inhibitor, quizartinib (QuANTUM-First) showed that among patients with CR1/CRi1, 42% had a measurable residual disease (MRD) \<10-4 in quizartinib arm versus 38% in placebo arm, despite, here again, a significant median overall survival improvement 2. These data show that tyrosine kinase inhibitors do not increase the rate of complete remission (CR) without MRD, explaining probably the moderate improvement of definitive cure rate. The investigators hypothesize that adding VEN to this standard treatment will increase complete remission rate without MRD and improve OS of patients with FLT3-mutated AML. Two clinical trials evaluated VEN in AML patients eligible to intensive chemotherapy and showed high levels of complete remission without MRD and a manageable toxicity profile, related to VEN start date and duration of exposure 3,4. In the current study, the investigators propose the following schedule to find the best treatment sequence while preventing the risk of myelosuppression, based on available data from the two clinical trials previously presented: In schedule A, VEN will be used from D8 to D14 to harness the synergy between FLT3 and BCL2 inhibition; in schedule B, VEN will be used from D4 to D10 to harness the synergy between chemotherapy and BCL2 inhibition then between FLT3 and BCL2 inhibition. If previous schedules A and B are safe, the investigators propose to prolong VEN exposure to 10 days allowing longer association between MIDO and VEN with a schedule C with VEN from D8 to D17 and finally a schedule D with VEN from D4 to D13. Follow-up will include up to 3 consolidation courses with intermediate dose cytarabine and VEN according to previous French phase 2 clinical trial COVENIDAC 5 and MIDO in this label from D8 to D21. Finally, patients will receive 12 cycles maintenance by MIDO with VEN D1-D14 in 28-day cycles. Patients will undergo allogeneic stem cell transplantation (HSCT) according to standard indications and procedures.
Interventions
- Drug Venetoclax in association with 3+7 and midostaurin
(1) induction with daunorubicin 60 mg/m²/day for 3 days, cytarabine 200 mg/m²/day for 7 days and MIDO 50 mg x 2/day from D8 to D21, (2) consolidation with 3 courses of intermediate dose cytarabine 1-1.5 gr/m² x 2/day at D1, D2 and D3 and MIDO 50 mg x 2/day from D8 to D21 in 35-day cycles, and (3) a maintenance with MIDO 50 mg x 2/day from D1 to D28 in 28-day cycles for 12 cycles. VEN is a highly potent BCL-2 inhibitor, synergistic with cytarabine, anthracyclines, and tyrosine kinase inhibitors.
Primary outcome measures
- Phase 1: Maximum tolerated schedule (MTS) of VEN in combination with 3+7+MIDO to define the recommended phase 2 schedule (RP2S). [Time frame: From day 1 of induction chemotherapy up to 8 weeks]
- Phase 2: Proportion of participants with complete remission (CR)/CR with incomplete hematologic recovery (CRi) without measurable residual disease (MRD) [Time frame: From day 1 of induction chemotherapy up to 8 weeks]
Secondary outcome measures (12)
- Phase 1:Number of participants with Dose Limiting Toxicities (DLTs), Serious Adverse Events (SAEs), and Adverse Events (AEs) leading to treatment discontinuation [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Area under the concentration-time curve over a 12-hour dosing interval (- AUC 0-12h) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Peak concentration (Cmax) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Time to reach peak concentration (Tmax) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Through concentration (Cmin) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Steady-state accumulation ratios of AUC 0-12h [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Steady-state accumulation ratios of Cmax [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Area under the plasma concentration-time profile from time zero to time tau (AUCtau) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Area under the concentration-time curve extrapolated to infinity (AUCinf) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1: Half time (T1/2) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Oral clearance (CL/F) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
- Phase 1-2: Volume or volume/kg (Vz/F) [Time frame: From day 1 of induction chemotherapy up to 8 weeks, then from day 1 of each of 3 consolidation chemotherapy up to 8 weeks and from day 1 of first maintenance cycle up to 12 months]
Eligibility criteria
Main inclusion criteria:
- Age ≥18 years and ≤70 years
- Newly diagnosed AML according to World Health Organization (WHO) 2022 classification
- Documented FLT3 gene mutation (-TKD D835 or I836 or -ITD or both) FLT3-ITD is assessed by DNA fragment analysis. Positivity is defined as an ITD/wt ratio of ≥ 0.05 (5%).
FLT3-TKD D835 or I836 is assessed by NGS. Positivity is defined as a VAF > 5%.
- Patient must be eligible for intensive chemotherapy.
Main exclusion criteria:
- Prior treatment for AML or myelodysplastic (MDS) phase.
- Prior exposure to VEN or other BCL2 inhibitors
- AML secondary to prior hematological disorders, including myelodysplastic syndrome, myeloproliferative disorders and/or therapy-related AML.
- Acute promyelocytic leukemia, CBF-AML, Phi+ AML
- Significant active cardiac disease within 6 months prior to the start of study treatment or QTc interval using Fridericia's formula (QTcF) ≥ 450 msec.
- Cardiac ejection fraction <45%
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Allocation
- N/A
- Model
- Single group
- Masking
- Open label
- Primary purpose
- Treatment
Study locations
France · 3 centers
- CH de la Côte Basque — Bayonne
- CHU de Bordeaux - Hôpital haut-Lévêque — Pessac
- CHU de Toulouse — Toulouse
Identifiers
NCT: NCT07726576 · CHUBX 2024/37