Spots Global Cancer Trial Database for Clonal Hematopoiesis is a Risk Factor for Chemotherapy-Related Complications

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Trial Identification

Brief Title: Clonal Hematopoiesis is a Risk Factor for Chemotherapy-Related Complications

Official Title: A Single Centre Cohort Study to Determine if Clonal Hematopoieses of Indeterminate Potential (CHIP) is a Risk Factor for Chemotherapy-Related Complications in Lymphoma Patients >= 60 Receiving Cytotoxic Chemotherapy

Study ID: NCT04053439

Conditions

Lymphoma

Chemotherapeutic Toxicity

Interventions

Blood test for determination of CHIP

Study Description

Brief Summary: 'CHIP' stands for Clonal Hematopoiesis of Indeterminate Significance, which are mutations in bone marrow stem cells that give that population of cells a survival or 'clonal' advantage for growth. This study investigates whether CHIP in lymphoma patients aged 60 years and older is a risk factor for chemotherapy-related complications like low blood counts, infections, cardiac events, hospitalizations, dose delays and dose reductions, and failure to recover normal blood counts after chemotherapy finishes.

Detailed Description: 'CHIP' stands for Clonal Hematopoiesis of Indeterminate Significance (1-4). Up to 20% of individuals in the general population acquire mutations in their bone marrow stem cells as they age that give that population of cells a survival or 'clonal' advantage for growth. The frequency of CHIP may be higher in patients with other cancers. CHIP increases with age, and has been shown to be a risk factor associated with cardiovascular disease and a tendency to the development of bone marrow cancers at a rate of 1% per year (1,2,5). CHIP is also associated with the development of bone marrow cancers that occur after chemotherapy. The investigators want to investigate whether CHIP is also a risk factor for chemotherapy-related complications like low blood counts, infections, cardiac events, hospitalizations, dose delays and dose reductions. They are also interested in determining if CHIP may explain why some patients do not recover normal blood counts after chemotherapy finishes. The results from this study may help physicians better understand why some people have difficulty with chemotherapy (in the short and long-term) while others do not. Screening for CHIP in older patients may become a recommended standard that allows physicians to tailor anti-cancer treatment to the patient.