User profiles for "author:Samuel Klempner"

Samuel Klempner, MD

Massachusetts General Hospital, Harvard Medical School
Verified email at partners.org
Cited by 8239

Tumor mutational burden as a predictive biomarker for response to immune checkpoint inhibitors: a review of current evidence

SJ Klempner, D Fabrizio, S Bane, M Reinhart… - The …, 2020 - academic.oup.com
Abstract Treatment with immune checkpoint inhibitors (ICPIs) extends survival in a
proportion of patients across multiple cancers. Tumor mutational burden (TMB)—the number …

What a tangled web we weave: emerging resistance mechanisms to inhibition of the phosphoinositide 3-kinase pathway

SJ Klempner, AP Myers, LC Cantley - Cancer discovery, 2013 - AACR
Abstract The phosphoinositide 3-kinase (PI3K) pathway is one of the most frequently
mutated pathways in cancer, and is actively being pursued as a therapeutic target. Despite …

Gastric cancer, version 2.2022, NCCN clinical practice guidelines in oncology

JA Ajani, TA D'Amico, DJ Bentrem, J Chao… - Journal of the National …, 2022 - jnccn.org
Gastric cancer is the third leading cause of cancer-related deaths worldwide. Over 95% of
gastric cancers are adenocarcinomas, which are typically classified based on anatomic …

[HTML][HTML] Adagrasib with or without Cetuximab in Colorectal Cancer with Mutated KRAS G12C

R Yaeger, J Weiss, MS Pelster, AI Spira… - … England Journal of …, 2023 - Mass Medical Soc
Background Adagrasib, an oral small-molecule inhibitor of mutant KRAS G12C protein, has
shown clinical activity in pretreated patients with several tumor types, including colorectal …

[HTML][HTML] Immunotherapy for advanced gastric and esophageal cancer: preclinical rationale and ongoing clinical investigations

AG Raufi, SJ Klempner - Journal of gastrointestinal oncology, 2015 - ncbi.nlm.nih.gov
Gastric and esophageal cancers represent a major global cancer burden and novel
approaches are needed. Despite recent improvements in outcomes with trastuzumab and …

Clinical Acquired Resistance to KRASG12C Inhibition through a Novel KRAS Switch-II Pocket Mutation and Polyclonal Alterations Converging on RAS–MAPK …

N Tanaka, JJ Lin, C Li, MB Ryan, J Zhang… - Cancer discovery, 2021 - AACR
Mutant-selective KRASG12C inhibitors, such as MRTX849 (adagrasib) and AMG 510
(sotorasib), have demonstrated efficacy in KRAS G12C-mutant cancers, including non–small …

Minimal residual disease detection using a plasma-only circulating tumor DNA assay in patients with colorectal cancer

AR Parikh, EE Van Seventer, G Siravegna… - Clinical Cancer …, 2021 - AACR
Purpose: Detection of persistent circulating tumor DNA (ctDNA) after curative-intent surgery
can identify patients with minimal residual disease (MRD) who will ultimately recur. Most …

Esophageal and esophagogastric junction cancers, version 2.2023, NCCN clinical practice guidelines in oncology

JA Ajani, TA D'Amico, DJ Bentrem, D Cooke… - Journal of the National …, 2023 - jnccn.org
Cancers originating in the esophagus or esophagogastric junction constitute a major global
health problem. Esophageal cancers are histologically classified as squamous cell …

[HTML][HTML] Combined PD-1, BRAF and MEK inhibition in BRAFV600E colorectal cancer: a phase 2 trial

J Tian, JH Chen, SX Chao, K Pelka, M Giannakis… - Nature Medicine, 2023 - nature.com
While BRAF inhibitor combinations with EGFR and/or MEK inhibitors have improved clinical
efficacy in BRAFV600E colorectal cancer (CRC), response rates remain low and lack …

[HTML][HTML] Real-time targeted genome profile analysis of pancreatic ductal adenocarcinomas identifies genetic alterations that might be targeted with existing drugs or …

AD Singhi, B George, JR Greenbowe, J Chung, J Suh… - Gastroenterology, 2019 - Elsevier
Background & Aims It has been a challenge to select treatment for patients with pancreatic
ductal adenocarcinomas (PDACs) based on genome alterations. We performed targeted …