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Monday, June 4, 2018 — The National Cancer Institute’s Molecular Analysis for Therapy Choice (NCI-MATCH) trial, the largest precision medicine trial of its kind, has achieved a milestone with the release of results from several treatment arms, or sub-studies, of the trial. The new results offer findings of interest for future cancer research that could ultimately play a role in bringing targeted treatments to patients with certain gene abnormalities, regardless of their cancer type.
Findings from three arms were released at this year’s American Society of Clinical Oncology (ASCO) annual meeting in Chicago, adding to findings from one arm released in November 2017. The study was co-developed by NCI, part of the National Institutes of Health, and the ECOG-ACRIN Cancer Research Group, part of the NCI-sponsored National Clinical Trials Network (NCTN). ECOG-ACRIN and NCI are co- leading the trial.
“The outcomes data being released today from this groundbreaking precision medicine trial are an exciting step for NCI-MATCH,” said Lyndsay Harris, M.D., of NCI’s Cancer Diagnosis Program and NCI study chair. “These findings represent a large collection of data in populations of patients who may not have been studied in conventional clinical trials, and they will have important implications for future precision medicine trials.”
NCI-MATCH, a phase 2 clinical trial, seeks to determine whether targeted therapies for people whose tumors have certain gene mutations will be effective regardless of their cancer type. Researchers use a DNA sequencing test to identify gene mutations in patients’ tumors. The test looks for mutations in 143 genes associated with cancer that can be targeted by one of the drugs being studied in the trial. The trial launched in August 2015 and has nearly 40 treatment arms, each of which aims to enroll at least 35 patients whose tumors have a specific genetic change. As the first findings are released at ASCO, many other arms are still enrolling patients and several additional arms are in development for possible opening later in 2018.
“NCI-MATCH represents the first attempt to systematically leverage next-generation sequencing to explore so many therapies in parallel,” said ECOG-ACRIN study chair Keith T. Flaherty, M.D., a medical oncologist at Massachusetts General Hospital Cancer Center in Boston. “By focusing our investigational effort on new biomarker-guided therapies in understudied cancer types, we have accelerated the opportunity to find signals of efficacy.”
The study is a signal-finding trial, meaning that treatments that show promise can advance to larger, more definitive studies outside of the trial. NCI-MATCH is for adults who have solid tumors, lymphoma, or myeloma that have progressed on standard treatment or rare cancers for which there is no standard treatment. A goal of the study was for about 25 percent of patients in the trial to have rare cancers. Surprisingly, 62.5 percent of the first 6,000 patients enrolled in NCI-MATCH had tumors other than the four most common cancers (breast, colorectal, non-small cell lung, and prostate), providing more opportunities for less common and rare tumors than expected based on initial estimates.
The first arm for which results were released (Arm Z1D), in November 2017 at the Society for Immunotherapy of Cancer annual meeting, showed that the drug nivolumab has promising activity in mismatch repair–deficient non-colorectal cancers.
Highlights from the findings from the three arms announced at ASCO include:
Many of the patients in these three arms had been treated with more than three lines of therapy before entering the trial (Arm I: 37 percent, Arm Q: 33 percent, Arm W: 50 percent), so the results are particularly encouraging. It suggests that future studies in populations with earlier-stage disease could potentially see more responses.
Results of additional treatment arms that have completed accrual will be released on a rolling basis as their data mature. The trial is ongoing and enrolling patients at more than 1,100 cancer centers and community hospitals in every state, the District of Columbia, and Puerto Rico. All trial sites are either members of the research groups in the NCTN that focus on adult cancers—the Alliance for Clinical Trials in Oncology, ECOG-ACRIN Cancer Research Group, NRG Oncology, and SWOG—or are members of the NCI Community Oncology Research Program (NCORP).
Genentech, a member of the Roche group, provided the study drugs for Arms I and Q, and AstraZeneca provided the drug for Arm W.
About the ECOG-ACRIN Cancer Research Group
The ECOG-ACRIN Cancer Research Group is a membership-based scientific organization that designs and conducts cancer research involving adults who have or are at risk of developing cancer. ECOG-ACRIN comprises nearly 1100 member institutions in the United States and around the world. Approximately 12,000 physicians, translational scientists, and associated research professionals from the member institutions are involved in Group research, which is organized into three scientific programs: Cancer Control and Outcomes, Therapeutic Studies, and Biomarker Sciences. ECOG-ACRIN is supported primarily through National Cancer Institute research grant funding, but also receives funding from private sector organizations through philanthropy and collaborations. It is headquartered in Philadelphia, Pa. For more information, visit ecog-acrin.org or call 215.789.3631.
About the National Cancer Institute (NCI)
NCI leads the National Cancer Program and NIH’s efforts to dramatically reduce the prevalence of cancer and improve the lives of cancer patients and their families, through research into prevention and cancer biology, the development of new interventions, and the training and mentoring of new researchers. For more information about cancer, please visit the NCI website at cancer.gov or call NCI’s Contact Center (formerly known as the Cancer Information Service) at 1-800-4-CANCER (1-800-422-6237).