Phase I study of bevacizumab, everolimus, and panobinostat (LBH-589) in advanced solid tumors.

Journal Article (Journal Article)

PURPOSE: To define the maximum tolerated dose, clinical toxicities, and pharmacodynamics of bevacizumab, everolimus, and panobinostat (LBH-589) when administered in combination to patients with advanced solid tumor malignancies. EXPERIMENT DESIGN: Subjects received 10 mg of panobinostat three times weekly, 5 or 10 mg everolimus daily, and bevacizumab at 10 mg/kg every 2 weeks. Dose-limiting toxicities (DLTs) were assessed in cycle 1; toxicity evaluation was closely monitored throughout treatment. Treatment continued until disease progression or undesirable toxicity. Protein acetylation was assessed in peripheral blood mononuclear cells (PBMC) both at baseline and on treatment. RESULTS: Twelve subjects were evaluable for toxicity and nine subjects for response. DLTs in cohort 1 included grade 2 esophagitis and grade 3 oral mucositis; DLTs in cohort -1 were grade 2 ventricular arrhythmia and grade 2 intolerable skin rash. Common adverse events were diarrhea (50 %), headache (33 %), mucositis/stomatitis (25 %), hyperlipidemia (25 %), and thrombocytopenia (25 %). There was 1 partial response; an additional 2 subjects had stable disease as best response. No consistent changes in protein acetylation in PBMC were observed in samples available from eight patients on treatment compared with baseline. CONCLUSIONS: Bevacizumab, everolimus, and panobinostat in combination at the lowest proposed doses did not have an acceptable safety and tolerability profile and did not consistently inhibit HDAC activity; therefore, we do not recommend further evaluation.

Full Text

Duke Authors

Cited Authors

  • Strickler, JH; Starodub, AN; Jia, J; Meadows, KL; Nixon, AB; Dellinger, A; Morse, MA; Uronis, HE; Marcom, PK; Zafar, SY; Haley, ST; Hurwitz, HI

Published Date

  • August 2012

Published In

Volume / Issue

  • 70 / 2

Start / End Page

  • 251 - 258

PubMed ID

  • 22744359

Pubmed Central ID

  • PMC3793400

Electronic International Standard Serial Number (EISSN)

  • 1432-0843

Digital Object Identifier (DOI)

  • 10.1007/s00280-012-1911-1


  • eng

Conference Location

  • Germany