Dataset Information

Evaluating ivosidenib for the treatment of relapsed/refractory AML: design, development, and place in therapy.

ABSTRACT: Improvements in the last decade in understanding the molecular mechanisms underlying acute myeloid leukemia (AML) have emphasized that treatment regimens should be personalized with agents that can selectively target genetic abnormalities if present. Neomorphic mutations in isoform 1 of isocitrate dehydrogenase (IDH1) result in the formation of the onco-metabolite R-2-hydroxyglutarate, which drives leukemic transformation by affecting processes such as chromatin remodeling, the cellular defense against oxidative stress and cell survival. Preclinical studies with small molecule inhibitors have validated mutant IDH1 as a molecular target, and a recent Phase 1 clinical trial with the first mutant IDH1 inhibitor ivosidenib has prompted approval by the US Food and Drug Association for the treatment of patients with IDH1-mutated AML in the relapsed and refractory setting due to impressive results. This approval has given a group of patients, that otherwise has a very poor prognosis and limited options, new hope, and it is to be expected that more indications for ivosidenib will follow soon. These developments highlight the potential of precision medicine in AML, with more agents currently under evaluation in clinical trials. Although the first reports have also already emerged describing acquired resistance for these mutant IDH inhibitors, combination treatment might overcome this problem, which could drastically change the treatment landscape of AML over the next few years.

SUBMITTER: Nassereddine S

PROVIDER: S-EPMC6314316 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Evaluating ivosidenib for the treatment of relapsed/refractory AML: design, development, and place in therapy.

Nassereddine Samah S Lap Coen J CJ Tabbara Imad A IA

OncoTargets and therapy 20181228

Improvements in the last decade in understanding the molecular mechanisms underlying acute myeloid leukemia (AML) have emphasized that treatment regimens should be personalized with agents that can selectively target genetic abnormalities if present. Neomorphic mutations in isoform 1 of isocitrate dehydrogenase (<i>IDH1</i>) result in the formation of the onco-metabolite <i>R</i>-2-hydroxyglutarate, which drives leukemic transformation by affecting processes such as chromatin remodeling, the cel ...[more]

PMID: 30643428

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Project description:Although adults with B-cell acute lymphoblastic leukemia (B-ALL) achieve high complete remission (CR) rates following treatment with intensive multi-agent chemotherapy regimens, up to two-thirds of these patients eventually relapse. Unfortunately, adults with relapsed or refractory (R/R) B-ALL have a poor prognosis, with variable responses to salvage chemotherapy regimens and allogeneic stem cell transplant. As such, the need to develop effective and well-tolerated treatments for this patient population has been of paramount importance over the past decade. In this regard, treatment options for R/R B-ALL patients have expanded considerably over a relatively short period of time, with the approvals of blinatumomab, inotuzumab ozogamicin and tisagenlecleucel occurring within only the past six years. Blinatumomab, a CD19 x CD3 bispecific T-cell engager (BiTE) was the first of these immune therapies to receive approval, and for many patients, is used as first-line salvage therapy. A number of large clinical trials have demonstrated improved progression-free survival and overall survival for R/R B-ALL patients receiving blinatumomab as compared to those receiving conventional salvage chemotherapy. In addition to being approved for both Philadelphia chromosome-negative and Philadelphia chromosome-positive R/R B-ALL, blinatumomab is also the only ALL therapy that carries approval for the treatment of measurable residual disease (MRD). Although blinatumomab has changed the therapeutic landscape for adults with R/R B-ALL, a number of important clinical considerations and questions remain, including the potential role of blinatumomab in the frontline setting, mechanisms of resistance, optimal goal MRD level, the role of transplant following MRD clearance, the optimal place for blinatumomab in the context of other recently approved immune-mediated therapies, and real world outcomes for patients treated outside the context of clinical trials. These issues are the focus of ongoing studies, which will hopefully inform future clinical practice regarding the utility of blinatumomab in the treatment of B-ALL patients.

Dataset Information

Evaluating ivosidenib for the treatment of relapsed/refractory AML: design, development, and place in therapy.

Publications

Evaluating ivosidenib for the treatment of relapsed/refractory AML: design, development, and place in therapy.

Similar Datasets

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