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Unprecedented Therapy Found Effective for Blood Cancer Patients With No Treatment Options

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NEW YORK, Aug. 22, 2019 /PRNewswire-PRWeb/ -- Mount Sinai researchers have found a new type of therapy to be effective for patients with a particular type of bone marrow cancer that is resistant to several standard therapies, according to results of a clinical trial published in The New England Journal of Medicine in August.

This trial tested selinexor with dexamethasone, a combination that significantly knocked down the cancer in more than a quarter of patients, including two patients who went into complete remission. Proteins and messenger RNAs play an important part of cancer cell growth, and selinexor has an unprecedented mechanism that blocks the export of protein and messenger RNAs from the nucleus of the cancer cell to the cytoplasm, causing the cancer cell to die. This therapy caused at least a minimal response in almost 40 percent of patients who had multiple myeloma, a cancer of a type of white blood cell called a plasma cell.

"This study proved that a novel, first-in-class drug with a new mechanism of action can kill a patient's cancer cells," said the study's senior author, Sundar Jagannath, MBBS, Director of the Multiple Myeloma Program and Professor of Medicine (Hematology and Medical Oncology) at The Tisch Cancer Institute at Mount Sinai. "This proved that the drug worked in patients who had exhausted every other treatment and who would have been placed on hospice care otherwise."

The clinical trial, called the STORM Part 2 Study, studied the response of 122 patients taking selinexor and dexamethasone, both oral drugs, in trials across the United States and Europe. Mount Sinai enrolled a quarter of the patients in the international study.

Patients generally saw a response to the drugs within one or two months. While there was no organ toxicity, side effects included low blood count without bleeding, nausea, vomiting, lack of appetite or fatigue.

"This study is meaningful for patients with multiple myeloma who haven't had success on multiple other therapies," said the study's first author Ajai Chari, MD, Director of Clinical Research in the Multiple Myeloma Program at The Tisch Cancer Institute at Mount Sinai. "An increasing number of patients have resistance to the standard drugs used in the treatment of multiple myeloma, and the overall survival in these patients is short, sometimes less than three months."

Selinexor was approved by the FDA for patients resistant to multiple therapies in early July. This study was funded by Karyopharm, the manufacturer of selinexor.

Selinexor is also being investigated in multiple myeloma in combination with other approved multiple myeloma drugs as well as in other malignancies such lymphoma and ovarian cancer.

This study is a major milestone in myeloma research for the team at The Tisch Cancer Institute at Mount Sinai, which recently launched a new Center of Excellence for Multiple Myeloma. The new Center brings together internationally recognized physicians to provide comprehensive, compassionate care for patients with multiple myeloma and related diseases and to advance innovative research and personalized treatments that lead to cures. Dr. Jagannath will serve as Director of the Center which treats the largest number of myeloma patients in the country.

"The Center of Excellence for Multiple Myeloma is part of The Tisch Cancer Institute and uses the most advanced diagnostic and treatment approaches within state-of-the-art facilities of a National Cancer Institute-designated cancer center," said Ramon Parsons, MD, PhD, Director of The Tisch Cancer Institute, Chair of Oncological Sciences, and Ward-Coleman Professor in Cancer Research of the Icahn School of Medicine at Mount Sinai. "Coordinated care teams include experts from the Bone Marrow Transplant Program, pathology, radiology, immunology, genomics, infectious diseases, orthopedic surgery, cardiology, and nephrology, and patients will have broad access to comprehensive supportive services, including from social workers, financial counselors, and clergy."

About Mount Sinai Health System
The Mount Sinai Health System is New York City's largest integrated delivery system, encompassing eight hospitals, a leading medical school, and a vast network of ambulatory practices throughout the greater New York region. Mount Sinai's vision is to produce the safest care, the highest quality, the highest satisfaction, the best access and the best value of any health system in the nation. The Health System includes approximately 7,480 primary and specialty care physicians; 11 joint-venture ambulatory surgery centers; more than 410 ambulatory practices throughout the five boroughs of New York City, Westchester, Long Island, and Florida; and 31 affiliated community health centers. The Icahn School of Medicine is one of three medical schools that have earned distinction by multiple indicators: ranked in the top 20 by U.S. News & World Report's "Best Medical Schools", aligned with a U.S. News & World Report's "Honor Roll" Hospital, No. 12 in the nation for National Institutes of Health funding, and among the top 10 most innovative research institutions as ranked by the journal Nature in its Nature Innovation Index. This reflects a special level of excellence in education, clinical practice, and research. The Mount Sinai Hospital is ranked No. 14 on U.S. News & World Report's "Honor Roll" of top U.S. hospitals; it is one of the nation's top 20 hospitals in Cardiology/Heart Surgery, Diabetes/Endocrinology, Gastroenterology/GI Surgery, Geriatrics, Gynecology, Nephrology, Neurology/Neurosurgery, and Orthopedics in the 2019-2020 "Best Hospitals" issue. Mount Sinai's Kravis Children's Hospital also is ranked nationally in five out of ten pediatric specialties by U.S. News & World Report. The New York Eye and Ear Infirmary of Mount Sinai is ranked 12th nationally for Ophthalmology and the South Nassau Communities Hospital is ranked 35th nationally for Urology. Mount Sinai Beth Israel, Mount Sinai St. Luke's, Mount Sinai West, and South Nassau Communities Hospital are ranked regionally.

For more information, visit https://www.mountsinai.org or find Mount Sinai on Facebook, Twitter and YouTube.

 

SOURCE Mount Sinai Health System

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