Cited by 83Cell death mechanisms and regulationCancer-related Molecular PathwaysAcute Myeloid Leukemia Research

A phase I clinical trial of navitoclax, a targeted high-affinity Bcl-2 family inhibitor, in combination with gemcitabine in patients with solid tumors

Cleary, James M., Lima, Caio Max S. Rocha, Hurwitz, Herbert I., Montero, Alberto J., Franklin, Catherine, Yang, Jianning, Graham, Alison, Busman, Todd +4 more·2014·Investigational New Drugs

Abstract

Purpose To investigate the safety, optimal dosing, pharmacokinetics and clinical activity of a regimen of navitoclax (ABT-263) combined with gemcitabine in patients with solid tumors.Experimental design Patients with solid tumors for which gemcitabine was deemed an appropriate therapy were enrolled into one of two different dosing schedules (21-day dosing schedule: navitoclax administered orally on days 1-3 and 8-10,; and gemcitabine 1,000 mg/m(2) on days 1 and 8; 28-day dosing schedule: navitoclax administrated orally on days 1-3, 8-10, and 15-17; and gemcitabine 1,000 mg/m(2) on days 1, 8 and 15). Navitoclax doses were escalated from 150 to 425 mg. An expanded safety cohort was conducted for the 21-day dosing schedule at the maximum tolerated dose (MTD) of navitoclax.Results Forty-six patients were enrolled at three U.S. centers. The most common adverse events included: hematologic abnormalities (thrombocytopenia, neutropenia, and anemia), liver enzyme elevations (ALT and AST), and gastrointestinal disturbances (diarrhea, nausea, and vomiting). Dose-limiting toxicities (DLTs) observed in cycle 1 were grade 4 thrombocytopenia (2 patients), grade 4 neutropenia (1 patient), and grade 3 AST elevation (2 patients). The MTD of navitoclax was 325 mg co-administered with gemcitabine 1,000 mg/m(2) for the 21-day schedule. No clinically significant pharmacokinetic drug-drug interactions were observed. There were no objective responses. Stable disease, reported at the end of cycle 2, was the best response in 54 % of evaluable patients (n = 39).Conclusions The combination of navitoclax 325 mg with gemcitabine 1,000 mg/m(2) was generally well tolerated and exhibited a favorable safety profile in patients with advanced solid tumors.

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Crossref · 10.1007/s10637-014-0110-9

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Authors
Cleary, J. M., Lima, C. M. S. R., Hurwitz, H. I., Montero, A. J., Franklin, C., Yang, J., Graham, A., Busman, T., Mabry, M., Holen, K., Shapiro, G. I., & Uronis, H.
Affiliations
  • Brigham and Women's Hospital (US)
  • University of Miami (US)
  • Duke Medical Center (US)
  • Cleveland Clinic (US)
  • AbbVie (United States) (US)
Corresponding author
Shapiro, Geoffrey I.
Venue
Investigational New Drugs
Published
2014-06-11
Volume
32
Issue
5
Pages
937-945
ISSN
  • 0167-6997 (ISSN-L)
  • 1573-0646
OpenAlex
W2073638417
Cited by
80
References
22
Citations by year
2026: 10 · 2025: 8 · 2024: 6 · 2023: 10 · 2022: 10 · 2021: 6 · 2020: 7 · 2019: 4 · 2018: 2 · 2017: 4 · 2016: 3 · 2015: 9 · 2014: 1
FWCI
2.46
Type
journal article
Language
en
Open access
closed
Locations
  • Investigational New Drugs (publishedVersion)
  • PubMed (publishedVersion)
Funders
AbbVie
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
Keywords
navitoclax, BCL-2 inhibitor, gemcitabine, combination chemotherapy, solid tumors, maximum tolerated dose, dose-limiting toxicity, hematologic toxicity, thrombocytopenia, neutropenia, pharmacokinetics, drug-drug interactions
MeSH terms
Gemcitabine, Adult, Aged, Aged, 80 and over, Aniline Compounds, Antineoplastic Combined Chemotherapy Protocols, Deoxycytidine, Female, Humans, Male, Middle Aged, Neoplasms, Sulfonamides, Treatment Outcome, Proto-Oncogene Proteins c-bcl-2, Maximum Tolerated Dose

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