Clinical rheumatology · 2019
Utilization of biologic disease-modifying anti-rheumatic drugs in patients with rheumatoid arthritis and cancer.
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Pundole Xerxes, Zamora Natalia V, Siddhanamatha Harish, Lin Heather, Tayar Jean, Hong Leung Cheuk, Li Liang, Suarez-Almazor Maria E
Аннотация
INTRODUCTION: Biologic disease-modifying anti-rheumatic drugs (bDMARDs) interfere with the immune system and could theoretically increase risk of malignancies. However, recent evidence has not substantiated such concerns and physicians are less reluctant in treating patients with underlying cancer with such bDMARDs. We aimed to understand the current utilization patterns of bDMARDs for the treatment of rheumatoid arthritis (RA) in cancer patients.
METHODS: We performed a retrospective cohort study of patients with prevalent RA and cancer initially seen at MD Anderson Cancer Center between 2002 and 2014. A cohort of cancer patients was identified from the tumor registry, and patients with RA were identified through ICD-9 codes, followed by review of electronic medical records. We included patients 18 years and older, with a cancer diagnosis, and a diagnosis of RA by a rheumatologist. Patients were followed until 2016.
RESULTS: We identified 431 patients with RA and cancer that met our inclusion criteria. Overall, 111 (26%) received bDMARDs after their cancer diagnosis; of these, 60 (54%) had received bDMARDs prior to their cancer diagnosis and continued to receive this therapy following their diagnosis. Thirteen (22%) switched to a different bDMARD, and the rest continued to receive the same agent after their cancer diagnosis. Of all patients on a bDMARD, 91 (82%) received tumor necrosis factor inhibitors (TNFi).
CONCLUSIONS: The treatment landscape of patients with a history of cancer and RA is changing. Future studies evaluating the safety of bDMARDs in patients with a recent history of cancer or with active cancer are needed. Part of the data of this project was presented as a poster at the 2016 American College of Rheumatology annual meeting. Zamora NV, Siddhanamatha H, Barbo A, Tayar J, Lin H, Suarez-Almazor M. Utilization of Biologic Therapy in Patients with Rheumatoid Arthritis and Cancer [abstract].Arthritis Rheumatol. 2016; 68 (suppl 10). https://acrabstracts.org/abstract/utilization-of-biologic-therapy-in-patients-with-rheumatoid-arthritis-and-cancer/. Accessed September 30, 2019. Key Points • One in four patients with RA and concomitant cancer received bDMARDs, including TNFi, after their cancer diagnosis, at our institution. • Half of the patients with RA and cancer who received bDMARDs had initiated therapy prior to the cancer diagnosis, continuing thereafter.
METHODS: We performed a retrospective cohort study of patients with prevalent RA and cancer initially seen at MD Anderson Cancer Center between 2002 and 2014. A cohort of cancer patients was identified from the tumor registry, and patients with RA were identified through ICD-9 codes, followed by review of electronic medical records. We included patients 18 years and older, with a cancer diagnosis, and a diagnosis of RA by a rheumatologist. Patients were followed until 2016.
RESULTS: We identified 431 patients with RA and cancer that met our inclusion criteria. Overall, 111 (26%) received bDMARDs after their cancer diagnosis; of these, 60 (54%) had received bDMARDs prior to their cancer diagnosis and continued to receive this therapy following their diagnosis. Thirteen (22%) switched to a different bDMARD, and the rest continued to receive the same agent after their cancer diagnosis. Of all patients on a bDMARD, 91 (82%) received tumor necrosis factor inhibitors (TNFi).
CONCLUSIONS: The treatment landscape of patients with a history of cancer and RA is changing. Future studies evaluating the safety of bDMARDs in patients with a recent history of cancer or with active cancer are needed. Part of the data of this project was presented as a poster at the 2016 American College of Rheumatology annual meeting. Zamora NV, Siddhanamatha H, Barbo A, Tayar J, Lin H, Suarez-Almazor M. Utilization of Biologic Therapy in Patients with Rheumatoid Arthritis and Cancer [abstract].Arthritis Rheumatol. 2016; 68 (suppl 10). https://acrabstracts.org/abstract/utilization-of-biologic-therapy-in-patients-with-rheumatoid-arthritis-and-cancer/. Accessed September 30, 2019. Key Points • One in four patients with RA and concomitant cancer received bDMARDs, including TNFi, after their cancer diagnosis, at our institution. • Half of the patients with RA and cancer who received bDMARDs had initiated therapy prior to the cancer diagnosis, continuing thereafter.