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DARATUMUMAB CARFILZOMIB LENALIDOMIDE AND DEXAMETHASONE AS INDUCTION THERAPY IN HIGH-RISK TRANSPLANT ELIGIBLE NEWLY DIAGNOSED MYELOMA PATIENTS: RESULTS OF THE PHASE 2 STUDY IFM 2018-04
HemaSphere ; 6:161, 2022.
Article in English | EMBASE | ID: covidwho-2032164
ABSTRACT

Background:

High-risk (HR) cytogenetic is associated with poor outcome in transplant eligible (TE) newly diagnosed myeloma multiple myeloma (NDMM). The triplet combination carfilzomib lenalidomide and dexamethasone (KRD) plus transplantation demonstrated high efficacy with faorable safety profile in TE-NDMM patients (FORTE). The addition of daratumumab (Dara) to frontline therapy also improed response rate and progression free-surial in TE-NDMM patients (CASSIOPEIA, GRIFFIN). Double transplant also improed outcome of HR TE NDMM patients (EMN02, STAMINA).

Aims:

The phase 2 trial 2018-04 from the Intergroupe Francophone du Myelome (IFM) is ealuating an intensie strategy with Dara-KRD induction and consolidation plus double transplant in HR TE NDMM (NCT03606577).

Methods:

HR MM was defined by the presence of del17p, t(4;14) and/or t(14;16). Stategy includes Dara-KRD induction (6 cycles), autologous stem cell transplantation (ASCT), Dara-KRD consolidation (4 cycles), second ASCT, Dara-lenalidomide maintenance. The primary endpoint was the feasibility of this intensie strategy. Here, we report efficacy and safety analysis of Dara-KRD induction.

Results:

Fifty patients with preiously untreated NDMM were included from july 2019 to march 2021 in 11 IFM centers Median age was 57 (range 38 -65). ISS stage 3 was present in 12 (24%) patients. Based on inclusion criteria, all patients had HR cytogenetic, including 17p deletion (n=20, 40%), t(4;14) (n=26, 52%) or t(14;16) (n=10,20%). Forty-six patients completed Dara-KRD induction. Two patients discontinued treatment due to seere aderse eent (COVID-19 infection, n=1 ;drug-induced hepatitis, n=1) and 2 patients discontinued treatment due to disease progression. Grade 3-4 treatment related aderse eent (>5% of patients) were neutropenia (38%), anemia (14%), thrombocytopenia (8%), infection (6%), renal insufficiency (6%) and deep-ein thrombosis (6%). Two patients (6%) experienced stem-cell collection failure. Oerall response rate was 96%, including 92 % > ery good partial response. Among 37/46 ealuable patients post induction, Minimal Residual Disease negatiity rate (NGS, 10-5) was 62%. Summary/

Conclusion:

Dara-KRD as induction prior ASCT is safe and allows deep responses in TE NDMM patients with high-risk cytogenetic profile. IFM 2018-04 study is ongoing and longer follow-up is needed to ealuate safety and efficacy of the oerall strategy with Dara-KRD induction and consolidation plus double transplant in this subset of HR patients.
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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Prognostic study Language: English Journal: HemaSphere Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Type of study: Prognostic study Language: English Journal: HemaSphere Year: 2022 Document Type: Article