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Ian Chau, MD, on Gastrointestinal Cancers: Real-World Effectiveness of Nivolumab Plus Chemotherapy
Ian Chau, MD, of The Royal Marsden Hospital, discusses reportedly the first study to evaluate the real-world effectiveness of nivolumab as a first-line treatment of advanced gastric, gastroesophageal junction, or esophageal adenocarcinoma. The combination therapy improved overall survival compared...
Yasunobu Ishizuka, MD, on Gastric Cancer: Does Nivolumab Infusion Time of Day Matter?
Yasunobu Ishizuka, MD, of Japan’s Aichi Cancer Center, discusses study results showing that scheduling infusions of nivolumab monotherapy before mid-afternoon for patients with metastatic gastric cancer may alter treatment efficacy. Several studies have suggested that circadian rhythm is essential...
Lorraine A. Chantrill, PhD, MBBS, on Gastrointestinal Neuroendocrine Carcinomas: First-Line Treatment With Nab-Paclitaxel Plus Carboplatin
Lorraine A. Chantrill, PhD, MBBS, of Australia’s Wollongong Hospital, New South Wales, discusses phase II findings on the combination of nab-paclitaxel plus carboplatin as a first-line treatment for patients with gastrointestinal neuroendocrine carcinomas. According to Dr. Chantrill, this regimen...
Anant Ramaswamy, DM, on Advanced Gastric Cancers: New Findings on Adding Docetaxel to Doublet
Anant Ramaswamy, DM, of Tata Memorial Centre, discusses phase III results of a study that added docetaxel to a doublet regimen of fluorouracil or capecitabine and oxaliplatin, which did not improve overall survival in patients with advanced gastroesophageal junction and gastric cancers. Continuing...
Kohei Shitara, MD, on Gastric or Gastroesophageal Junction Adenocarcinoma: Recent Data on Zolbetuximab Plus mFOLFOX6
Kohei Shitara, MD, of Japan’s National Cancer Center Hospital East, discusses the SPOTLIGHT study’s phase III findings on zolbetuximab plus mFOLFOX6 as first-line treatment for patients with the biomarker claudin-18.2–positive and HER2-negative locally advanced unresectable or metastatic gastric or ...
Souya Nunobe, MD, PhD, on Gastric Cancer: 5-Year Follow-up on S-1 Chemotherapy for Stage II Disease
Souya Nunobe, MD, PhD, of Japan’s Cancer Institute Hospital and the Japanese Foundation for Cancer Research, discusses 5-year follow-up results of the phase III OPAS-1 trial, which compared four and eight courses of S-1, a novel oral fluoropyrimidine derivative adjuvant chemotherapy for patients...
Filippo Pietrantonio, MD, on Gastric or Gastroesophageal Junction Adenocarcinoma: Recent Data on Treatment With Tremelimumab and Durvalumab
Filippo Pietrantonio, MD, of Italy’s Istituto Nazionale dei Tumori, discusses phase II results from the INFINITY trial of tremelimumab and durvalumab as neoadjuvant treatment of patients with microsatellite instability–high (MSI) resectable gastric or gastroesophageal junction adenocarcinoma...
Manik A. Amin, MD, on Novel Immune Therapies in GI Cancers: What’s on the Horizon?
Manik A. Amin, MD, of Dartmouth Cancer Center, discusses the future of immunotherapy in gastrointestinal cancers, the challenges of creating effective adoptive cell therapies, and the next generation of immune checkpoint inhibitors.
Gulam A. Manji, MD, PhD, on Gastric and Gastroesophageal Junction Adenocarcinomas: New Data on Pembrolizumab Plus Capecitabine and Oxaliplatin
Gulam A. Manji, MD, PhD, of Columbia University Medical Center, discusses phase II results on perioperative combination chemotherapy and pembrolizumab in patients with resectable gastric cancer. The combination appeared to result in many complete pathologic responses (Abstract CT009).
Francesca Battaglin, MD, on Upper GI Cancers and the Potential Value of Recurrent Neoantigens
Francesca Battaglin, MD, of USC Norris Comprehensive Cancer Center and the Keck School of Medicine, discusses findings from one of the largest studies to investigate recurrent neoantigens in upper gastrointestinal cancers. Dr. Battaglin and her team identified peptides with high human leukocyte...
Zev A. Wainberg, MD, on Gastric or Gastroesophageal Junction Adenocarcinoma: Follow-up Data on Pembrolizumab and Chemotherapy
Zev A. Wainberg, MD, of the University of California, Los Angeles, discusses an update, of 25 additional months, on phase III safety and efficacy results from the KEYNOTE-062 trial. This study compared pembrolizumab with or without chemotherapy vs chemotherapy alone for patients with PD-L1–positive ...
Yu Sunakawa, MD, PhD, on Gastric Cancer: Predicting Treatment-Related Toxicities With Biomarkers
Yu Sunakawa, MD, PhD, of Japan’s St. Marianna University School of Medicine, discusses his findings from the DELIVER trial, which suggest the gut microbiome may predict skin toxicities in patients with advanced gastric cancer who are treated with nivolumab. In addition, some single nucleotide...
Kohei Shitara, MD, on Gastric and Esophageal Cancers: Long-Term Follow-up on Nivolumab Plus Chemotherapy
Kohei Shitara, MD, of Japan’s National Cancer Center Hospital East, discusses a long-term data follow-up from CheckMate 649, which support the continued use of nivolumab plus chemotherapy as first-line treatment in patients with advanced gastric, gastroesophageal junction, and esophageal...
Vivek Subbiah, MD, on RET Fusion–Positive Cancers: Efficacy of Selpercatinib
Vivek Subbiah, MD, of The University of Texas MD Anderson Cancer Center, discusses data on selpercatinib that showed promising activity across a variety of RET fusion–positive cancers, including treatment-refractory gastrointestinal malignancies. This analysis highlights the need for genomic...
Mary F. Mulcahy, MD, and Crystal S. Denlinger, MD, on NCCN Guidelines Updates: Gastric and Esophageal Cancers
Crystal S. Denlinger, MD, of Fox Chase Cancer Center, and Mary F. Mulcahy, MD, of the Robert H. Lurie Comprehensive Cancer Center of Northwestern University, discuss biomarkers for determining treatment; immune checkpoint inhibitors; when to employ such treatments as platinum/fluoropyrimidine and...
Rutika Mehta, MD, MPH, on Gastric Cancer: Adjuvant Chemotherapy With S-1 and Docetaxel
Rutika Mehta, MD, MPH, of the H. Lee Moffitt Cancer Center and Research Institute, discusses the 3-year regression-free and overall survival results from the JACCRO study, which compared the efficacy of S-1, an oral prodrug of fluorouracil, vs S-1 plus docetaxel after curative resection of stage...
Afsaneh Barzi, MD, PhD, on Disparities in Access to Screening and Treatment of GI Cancers
Afsaneh Barzi, MD, PhD, of the City of Hope Comprehensive Cancer Center and the University of Southern California, discusses reasons for the incomplete understanding of the molecular landscape of minority patients with cancer, lack of screening chief among them. This underrepresentation, Dr. Barzi...
Zev A. Wainberg, MD, on Gastric/Gastroesophageal Junction Adenocarcinoma: Bemarituzumab and FOLFOX
Zev A. Wainberg, MD, of UCLA Medical Center, discusses phase II results from the FIGHT study, which combined bemarituzumab with modified FOLFOX6 in first-line treatment of advanced gastric/gastroesophageal junction adenocarcinoma. This is reportedly the first randomized trial of any FGFR inhibitor, ...
Peter Reichardt, MD, PhD, on GIST: Adjuvant Imatinib for High-Risk Disease
Peter Reichardt, MD, PhD, of Helios Klinikum Berlin-Buch, discusses the 10-year survival analysis of 3 years vs 1 year of adjuvant imatinib for patients with high-risk gastrointestinal stromal tumor. The study found that about 50% of deaths can be avoided with longer imatinib treatment (Abstract...
Brian M. Wolpin, MD, on Performance of a Blood-Based Test for the Detection of Multiple Cancers
Brian M. Wolpin, MD, of Dana-Farber Cancer Institute, discusses a noninvasive blood test evaluating methylation of circulating free DNA. In his study, the blood test detected multiple gastrointestinal cancers at a sensitivity of approximately 81% and a prespecified specificity of > 99%. It also...
Zev A. Wainberg, MD, on PD-L1–Positive Advanced Gastric Cancer: MSI and Combined Positive Score and Pembrolizumab vs Chemotherapy
Zev A. Wainberg, MD, of the UCLA Medical Center, discusses the first subset analysis of how a combined positive score in gastric and gastroesophageal junction cancers related to the efficacy of pembrolizumab in PD-L1–positive disease (Abstract 427).
FDA Pipeline: Designation in CLL, New Drug Application in GIST, New Prostate Ablation System Receives 510(k) Clearance
Recently, the U.S. Food and Drug Administration granted Breakthrough Therapy designation to acalabrutinib in chronic lymphocytic leukemia (CLL), accepted a new drug application for avapritinib in some types of gastrointestinal stromal tumors (GIST), and granted 501(k) clearance to market the...
Ramucirumab Plus Pembrolizumab in Previously Treated Advanced Gastroesophageal Cancer, NSCLC, and Urothelial Carcinoma
Results from a phase IB trial expansion stage reported in The Lancet Oncology by Herbst et al showed the combination of ramucirumab plus pembrolizumab had manageable toxicity and antitumor activity in previously treated advanced gastroesophageal cancer, non–small cell lung cancer (NSCLC), and ...
ESMO World GI 2019: Incidence of Gastric Cancer in Younger Individuals
The incidence of gastric cancer has been increasing in younger individuals, and those under 40 with chronic digestive symptoms should be more actively investigated. These findings follow new data from a retrospective, observational study in Mexico, which showed that 1 in 7 of over 2,000...
FDA Approves New Trastuzumab Biosimilar
Today, the U.S. Food and Drug Administration (FDA) approved trastuzumab-anns (Kanjinti) for all approved indications of the reference product trastuzumab (Herceptin): for the treatment of HER2-overexpressing breast cancer and HER2-overexpressing metastatic gastric or gastroesophageal...
Does Adding HIPEC to Cytoreductive Surgery Improve Outcomes in Patients With Gastric Cancer and Peritoneal Metastases?
In a propensity score analysis reported in the Journal of Clinical Oncology, Bonnot et al found that the addition of hyperthermic intraperitoneal chemotherapy (HIPEC) to cytoreductive surgery improved outcomes among patients with gastric cancer with peritoneal metastases. The study included 277...
Josep Tabernero, MD, PhD, on Advanced Gastric or Gastroesophageal Junction Adenocarcinoma: Pembrolizumab With or Without Chemotherapy vs Chemotherapy
Josep Tabernero, MD, PhD, of the Vall d’Hebron Institute of Oncology, discusses phase III findings of the KEYNOTE-062 study showing that, for some patients with advanced gastric or gastroesophageal junction cancer, pembrolizumab may improve survival and may be an effective alternative to...
2019 ASCO: KEYNOTE-062: Pembrolizumab With or Without Chemotherapy vs Chemotherapy in Advanced Gastric or GEJ Adenocarcinoma
The randomized, phase III KEYNOTE-062 trial achieved its primary endpoint, showing that for patients with programmed cell death ligand 1 (PD-L1)-positive, HER2-negative, advanced gastric or gastroesophageal junction (GEJ) cancer, initial therapy with pembrolizumab resulted in noninferior overall...
Trastuzumab Deruxtecan in Advanced HER2-Positive Gastric and Breast Cancers
Two phase I studies reported in The Lancet Oncology indicate activity of the antibody-drug conjugate trastuzumab deruxtecan in advanced HER2-positive gastric cancer and advanced HER2-positive breast cancer previously treated with trastuzumab emtansine (T-DM1). Trastuzumab deruxtecan (DS-8201a) is a ...
Perioperative Therapy With FLOT vs ECF/ECX in Locally Advanced Gastric Adenocarcinoma
In the German phase II/III FLOT4 trial reported in The Lancet, Al-Batran et al found that perioperative therapy with the docetaxel-based triplet FLOT (fluorouracil [5-FU]/leucovorin, oxaliplatin, and docetaxel) was associated with improved overall survival vs ECF/ECX (epirubicin and cisplatin plus...
FDA Approves Trastuzumab-qyyp in HER2-Overexpressing Breast and Gastric Cancers
The U.S. Food and Drug Administration (FDA) has approved trastuzumab-qyyp (Trazimera), a biosimilar to trastuzumab (Herceptin), for the treatment of human epidermal growth factor receptor-2 (HER2)-overexpressing breast cancer and HER2-overexpressing metastatic gastric or gastroesophageal...
FDA Approves Trifluridine/Tipiracil for Recurrent, Metastatic Gastric and GEJ Adenocarcinoma
On February 22, the U.S. Food and Drug Administration approved trifluridine/tipiracil tablets (Lonsurf)—a fixed combination of trifluridine, a nucleoside metabolic inhibitor, and tipiracil, a thymidine phosphorylase inhibitor—for adult patients with metastatic gastric or...
Addition of First-Line Ramucirumab to Cisplatin and Fluoropyrimidine in Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma
In the phase III RAINFALL trial reported in The Lancet Oncology, Fuchs et al found no apparent benefit of the addition of the VEGFR-2 inhibitor ramucirumab to first-line cisplatin and fluoropyrimidine treatment in metastatic gastric or gastroesophageal junction adenocarcinoma. Study Details The...
Rongbo Lin, MD, on Gastric Cancer: Results From the FNF-004 Trial
Rongbo Lin, MD, of Fujian Cancer Hospital, discusses phase II study findings on FOLFOX alone vs paclitaxel plus FOLFOX vs intraperitoneal paclitaxel plus FOLFOX as a first-line treatment in advanced gastric cancer (Abstract 6).
Manish A. Shah, MD, on Gastric Cancer: Results From the GAMMA-1 Study on First-Line Combination Therapy
Manish A. Shah, MD, of NewYork–Presbyterian/Weill Cornell Medical Center, discusses phase III data on the efficacy and safety of andecaliximab combined with mFOLFOX6 as first-line treatment in patients with advanced gastric or gastroesophageal junction adenocarcinoma (Abstract 4).
David H. Ilson, MD, PhD, on Gastric Cancer: Results From the TAGS Study on Third-Line Trifluridine/Tipiracil
David H. Ilson, MD, PhD, of Memorial Sloan Kettering Cancer Center, discusses findings on the efficacy and safety of third-line trifluridine/tipiracil in patients with metastatic gastric cancer with or without prior gastrectomy (Abstract 3).
FDA Approves Biosimilar Trastuzumab-dttb
On January 18, the U.S. Food and Drug Administration (FDA) approved trastuzumab-dttb (Ontruzant), a biosimilar referencing trastuzumab, across all eligible indications—namely, adjuvant treatment of HER2-overexpressing breast cancer, metastatic breast cancer, and metastatic gastric cancer or...
2019 GI Cancers Symposium: Pembrolizumab in Second-Line Therapy for Advanced Esophageal Cancer
Pembrolizumab significantly improved overall survival in the second-line setting of advanced esophageal cancer in patients whose tumors tested positive for programmed cell death ligand 1 (PD-L1) with a combined positive score (CPS) of 10 or greater. This was compared to investigator’s choice...
2019 GI Cancers Symposium: Safety, Efficacy of Trifluridine/Tipiracil in Metastatic Gastric Cancer With or Without Gastrectomy
In a poster session earlier today David Ilson, MD, of Memorial Sloan Kettering Cancer Center, and colleagues reported on a preplanned subgroup analysis of the double-blind phase III TAGS study looking at the safety and efficacy of the oral agent trifluridine/tipiracil (FTP/TPI) in heavily...
2019 GI Cancers Symposium: Addition of Andecaliximab to mFOLFOX6 in Treatment-Naive Advanced Gastric or GEJ Adenocarcinoma
A phase I/Ib study found that the addition of andecaliximab, a monoclonal antibody that inhibits matrix metalloproteinase 9, to modified fluorouracil (5-FU), leucovorin, and oxaliplatin (mFOLFOX6) showed activity in gastric and or gastroesophageal junction (GEJ) carcinoma. Based on these...
EORTC-NCI-AACR: Dabrafenib Plus Trametinib Active in Some BRAF V600E–Mutated Gastrointestinal Cancers
In a late-breaking presentation at the 30th EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics, Zev Wainberg, MD, reported on results from a phase II international clinical trial of dabrafenib (Tafinlar) plus trametinib (Mekinist), which showed some activity in 36 patients ...
FDA Pipeline: What’s New in Biosimilars, Drug Reviews, Designations, and More
The U.S. Food and Drug Administration (FDA) recently issued the following new approvals and designations: Approval for Pegfilgrastim Biosimilar The FDA recently approved a pegfilgrastim biosimilar, pegfilgrastim-cbqv (Udenyca). The biosimilar has been approved to decrease the incidence...
PERSIST-5: 5-Year Adjuvant Imatinib in Resected Intermediate- or High-Risk Primary Gastrointestinal Stromal Tumor
In the phase II PERSIST-5 study reported in JAMA Oncology, Raut et al found that 5 years of adjuvant imatinib therapy was associated with little risk of recurrence in patients with resected intermediate- or high-risk primary gastrointestinal stromal tumor (GIST). As noted by the investigators, 3...
Trifluridine/Tipiracil in Heavily Pretreated Metastatic Gastric Cancer
In the phase III TAGS trial reported in The Lancet Oncology, Shitara et al found that trifluridine/tipiracil (Lonsurf) significantly improved overall survival vs placebo in patients with heavily pretreated metastatic gastric cancer. In the double-blind trial, 507 patients with nonresectable...
Pertuzumab and Trastuzumab Plus Chemotherapy in HER2-Positive, Metastatic Gastric or Gastroesophageal Junction Cancer
As reported in The Lancet Oncology by Tabernero et al, the phase III JACOB trial showed no significant overall survival benefit of adding pertuzumab (Perjeta) to trastuzumab (Herceptin) plus chemotherapy in first-line treatment of HER2-positive metastatic gastric or gastroesophageal junction...
MUC16 Mutation, Tumor Mutation Load, and Prognosis in Gastric Cancer
In a study reported in JAMA Oncology, Li et al found that MUC16 mutation was associated with increased tumor mutation load and improved prognosis in gastric cancer. The study involved analysis of genomic data from 437 gastric cancer samples from The Cancer Genome Atlas (TCGA; discovery set) and...
European Commission Approves Trastuzumab Biosimilar
The European Commission (EC) has approved Trazimera, a biosimilar to trastuzumab (Herceptin), for the treatment of human epidermal growth factor (HER2)–overexpressing breast cancer and HER2-overexpressing metastatic gastric or gastroesophageal junction adenocarcinoma. This approval...
Ability of Assay to Predict Response to Immunotherapy in Patients With Advanced Gastric Cancer
Researchers from Samsung Medical Center and Guardant Health, Inc have demonstrated the feasibility of determining a measure analogous to tumor mutation burden, a promising biomarker that may predict patient response to certain immunotherapies, utilizing the Guardant360 assay, a...
Second-Line Pembrolizumab vs Paclitaxel in Advanced Gastric or Gastroesophageal Junction Cancer
As reported in The Lancet by Shitara et al, the phase III KEYNOTE-061 trial showed no significant overall survival benefit with pembrolizumab vs paclitaxel in patients with advanced gastric or gastroesophageal junction cancer progressing on platinum-fluoropyrimidine treatment with programmed cell...
