The Clinical Implications of Nocebo Effects for Biosimilar Therapy
- 1Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, United States
- 2Department of Psychiatry, School of Medicine, University of Maryland Baltimore, United States
- 3Division of Gastroenterology and Hepatology, University of Calgary, Canada
- 4Pfizer (United States), United States
Nocebo effects encompass negative responses to inert interventions in the research setting and negative outcomes with active treatments in the clinical research or practice settings, including new or worsening symptoms and adverse events, stemming from patients’ negative expectations and not the pharmacologic action of the treatment itself. Numerous personality, psychosocial, neurobiological, and contextual/environmental factors contribute to the development of nocebo effects, which can impair quality of life and reduce adherence to treatment. Biologics are effective agents widely used in autoimmune disease, but their high cost may limit access for patients. Biosimilar products have gained regulatory approval based on quality, safety, and efficacy comparable to that of originator biologics in rigorous study programs. In this review, we identified gaps in patients’ and healthcare professionals’ awareness, understanding, and perceptions of biosimilars that may result in negative expectations and nocebo effects, and may diminish their acceptance and clinical benefits. We also examined features of nocebo effects with biosimilar treatment that inform research and clinical practices. Namely, when biosimilars are introduced to patients as possible treatment options, we recommend adoption of nocebo-reducing strategies to avoid negative expectations, including delivery of balanced information on risk–benefit profiles, framing information to focus on positive attributes, and promoting shared decision-making processes along with patient empowerment. Healthcare professionals confident in their knowledge of biosimilars and aware of bias-inducing factors may help reduce the risk of nocebo effects and improve patients’ adherence in proposing biosimilars as treatment for autoimmune diseases such as rheumatoid arthritis and inflammatory bowel disease.
Keywords: biosimilar, Nocebo effect, Patient expectation and perception, Patient clinician relationship, placebo effect., patient clinician communication
Received: 03 Jan 2019;
Accepted: 29 Oct 2019.
Copyright: © 2019 Colloca, Panaccione and Murphy. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Dr. Luana Colloca, Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, Baltimore, United States, email@example.com