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Research Article

Phase II Study of Single-Agent and Combination Everolimus and Panobinostat in Relapsed or Refractory Diffuse Large B-Cell Lymphoma

, , , , , , , & ORCID Icon show all
Pages 871-879 | Received 20 Jul 2021, Accepted 16 Sep 2021, Published online: 13 Oct 2021
 

Abstract

Novel therapeutics are needed for patients with relapsed or refractory diffuse large B-cell lymphoma (R/R DLBCL). Everolimus is an mTOR pathway inhibitor with synergistic anti-tumor activity when combined with histone deacetylase inhibitors, such as panobinostat, in preclinical lymphoma models. In this Phase II study, we evaluated overall response rate to single and combination everolimus and panobinostat in R/R DLBCL. Fifteen patients were enrolled to single-agent and 18 to combination. One patient responded to everolimus, while none responded to panobinostat. Though 25% of patients responded to combination therapy, responses were not durable with significant toxicity. We demonstrated minimal single-agent activity and prohibitive toxicity with combination therapy.

Declaration of interest

Dr. Rizzieri is on the Advisory Board for Novartis.

Additional information

Funding

This study was funded by Novartis Pharmaceuticals. C.L. was supported in part by the NIH/NHLBI T32 grant HL007057-46.