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Challenges of designing and conducting cohort studies and clinical trials in populations of pregnant people

Lookup NU author(s): Professor James WasonORCiD

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Abstract

© 2024 Elsevier LtdRheumatic and musculoskeletal diseases often affect individuals of childbearing age. The incidence and prevalence of rheumatic and musculoskeletal diseases is rising. More pregnancies in patients with rheumatic and musculoskeletal diseases are anticipated and some rheumatic and musculoskeletal diseases are associated with pregnancy complications (eg, miscarriages, fetal deaths, preterm births, and hypertensive disorders in pregnancy). Despite the need to understand the use of drugs to treat rheumatic and musculoskeletal diseases in pregnancy, clinical trials in pregnancy are rare, therapeutics in pregnancy are understudied, and pregnant individuals are routinely excluded as premarketing trial participants. Data on the effectiveness and safety of disease-modifying antirheumatic drugs are most often based on post-marketing observational data. Observational studies assessing the bidirectional relationship between rheumatic and musculoskeletal diseases and pregnancy, as well as interventional studies of treatments during pregnancy, are scarce. Historical reluctance to perform studies in what was deemed an at-risk group persists in pharmaceutical companies, regulatory bodies, and ethics boards. Additionally, patients must be engaged partners, which requires trust that the research respects the needs and interests of the patient and complies with the rules intended to protect the pregnant person and the fetus from harm. In this Series paper, we share challenges we have encountered in conducting prospective cohort studies and interventional trials of postmarketing approved medications, assessing pregnancy specific outcomes in pregnant women with rheumatic and musculoskeletal diseases in the EU, the UK, and the USA. We discuss the changing landscape around trials in pregnancy and present possible solutions to our challenges.


Publication metadata

Author(s): Schreiber K, Graversgaard C, Hunt BJ, Wason JMS, Costedoat-Chalumeau N, Aguilera S, Guerra MM, Salmon JE

Publication type: Review

Publication status: Published

Journal: The Lancet Rheumatology

Year: 2024

Volume: 6

Issue: 8

Pages: e560-e572

Print publication date: 01/08/2024

Online publication date: 11/06/2024

Acceptance date: 02/04/2024

ISSN (electronic): 2665-9913

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/S2665-9913(24)00118-8

DOI: 10.1016/S2665-9913(24)00118-8


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