An Intervention Program to Reduce Medication-Related Problems Among Polymedicated Home-Dwelling Older Adults (OptiMed): Protocol for a Pre-Post, Multisite, Pilot, and Feasibility Study

Filipa Pereira   ^{1, 2} , BSc, MSci ;   Maria dos Anjos Dixe   ³ , PhD ;   Sónia Gonçalves Pereira   ³ , PhD ;   Carla Meyer-Massetti   ^{4, 5} , PhD ;   Henk Verloo   ^{1, 6} , PhD

¹ School of Health Sciences, University of Applied Sciences (HES-SO) Valais/Wallis, Sion, Switzerland

² Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal

³ Center for Innovative Care and Health Technology, Polytechnic of Leiria, Leiria, Portugal

⁴ Institute for Primary Health Care BIHAM, University of Bern, Bern, Switzerland

⁵ Clinical Pharmacology and Toxicology, Department of General Internal Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland

⁶ Service of Old Age Psychiatry, Lausanne University Hospital, Lausanne, Switzerland