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Clinically significant responses achieved with romidepsin across disease compartments in patients with cutaneous T-cell lymphoma.

ABSTRACT: Cutaneous T-cell lymphoma (CTCL) is a rare heterogeneous group of non-Hodgkin lymphomas that arises in the skin but can progress to systemic disease (lymph nodes, blood, viscera). Historically, in clinical trials of CTCL there has been little consistency in how responses were defined in each disease "compartment"; some studies only assessed responses in the skin. The histone deacetylase inhibitor romidepsin is approved by the US Food and Drug Administration for the treatment of CTCL in patients who have received at least one prior systemic therapy. Phase II studies that led to approval used rigorous composite end points that incorporated disease assessments in all compartments. The objective of this analysis was to thoroughly examine the activity of romidepsin within each disease compartment in patients with CTCL. Romidepsin was shown to have clinical activity across disease compartments and is suitable for use in patients with CTCL having skin involvement only, erythroderma, lymphadenopathy and/or blood involvement.

SUBMITTER: Kim EJ

PROVIDER: S-EPMC4732431 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Clinically significant responses achieved with romidepsin across disease compartments in patients with cutaneous T-cell lymphoma.

Kim Ellen J EJ Kim Youn H YH Rook Alain H AH Lerner Adam A Duvic Madeleine M Reddy Sunil S Robak Tadeusz T Becker Jürgen C JC Samtsov Alexey A McCulloch William W Waksman Joel J Whittaker Sean S

Leukemia & lymphoma 20150520 10

Cutaneous T-cell lymphoma (CTCL) is a rare heterogeneous group of non-Hodgkin lymphomas that arises in the skin but can progress to systemic disease (lymph nodes, blood, viscera). Historically, in clinical trials of CTCL there has been little consistency in how responses were defined in each disease "compartment"; some studies only assessed responses in the skin. The histone deacetylase inhibitor romidepsin is approved by the US Food and Drug Administration for the treatment of CTCL in patients ...[more]

PMID: 25791237

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Project description:BACKGROUND:Histone deacetylase inhibitor romidepsin has demonstrated durable clinical responses and tolerability in patients with relapsed/refractory peripheral and cutaneous T-cell lymphoma (PTCL, CTCL). Selection of novel drug therapies for patients with relapsed/refractory aggressive lymphoma requires not only considerations regarding efficacy but also careful evaluation of toxicities as well as overall clinical benefit. The purpose of this analysis was to examine common adverse events (AEs) reported in pivotal trials of romidepsin in relapsed/refractory PTCL or CTCL and to more clearly define the overall AE profile in these populations. METHODS:Patients with relapsed/refractory PTCL or CTCL were treated with romidepsin at 14 mg/m(2) as a 4-hour intravenous infusion on days 1, 8, and 15 of 28-day cycles for up to 6 cycles; patients with at least stable disease could extend therapy until progressive disease or another withdrawal criterion was met. All enrolled patients who received???1 dose of romidepsin were included in the AE analyses. RESULTS:Overall, safety profiles of common AEs were similar, although patients with relapsed/refractory PTCL had more frequent hematologic toxicities and grade???3 infections. In both patient populations, the greatest incidence of grade???3 AEs and the majority of discontinuations due to AEs occurred during cycles 1-2. Early discontinuations were primarily related to infection, thrombocytopenia, or electrocardiogram abnormalities, confirming the need to closely monitor patients with poor bone marrow reserve or other comorbidities. Despite this, 28% of patients with relapsed/refractory PTCL and 36% of patients with relapsed/refractory CTCL continued on romidepsin treatment for???6 cycles. CONCLUSIONS:This study demonstrates that patients with relapsed/refractory PTCL or CTCL have similar AE profiles with romidepsin treatment, although patients with PTCL experienced more frequent and more severe hematologic toxicities and more frequent grade???3 infections. The greatest incidence of grade???3 AEs and the majority of discontinuations due to AEs occurred during treatment cycles 1-2. Extended dosing of romidepsin can be tolerated in responding patients. TRIAL REGISTRATION:NCT00426764,NCT00106431.

Dataset Information

Clinically significant responses achieved with romidepsin across disease compartments in patients with cutaneous T-cell lymphoma.

Publications

Clinically significant responses achieved with romidepsin across disease compartments in patients with cutaneous T-cell lymphoma.

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