What strategies can be used to maintain participant engagement in long-term double-blind studies?

A Phase 2/3, Multicenter, Randomized, Double-Blind Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Oral Ozanimod (RPC1063) ... Seizures were controlled in 89% of the episodes treated with lorazepam and in 76% treated with diazepam. The times for onset of action of the medications did ... Vaccine trials are typically tested through a study design called a randomized, double-blind and placebo-controlled trial. This means that participants are ... Feb 10, 2021 ... Methods. In this double-blind trial, we enrolled 1961 adults with a body-mass index (the weight in kilograms divided by the square of the ... A decentralized, Phase 2, randomized, double-blind study of Nirmatrelvir/Ritonavir compared with placebo/Ritonavir for long COVID. Nov 1, 2022 ... C-POST Protocol Update: A Phase 3, Randomized, Double-Blind Study of Adjuvant Cemiplimab vs. Placebo Post Surgery and Radiation Therapy in ... Prospective Double-blind-study of Supplementary Antibiotic-therapy for Duodenal-ulcer Associated with Campylobacter Pyloridis Infection. American Journal of ... Feb 21, 1980 ... Controlled Double-Blind Study of the Effect of Rifampin on Humoral and Cellular Immune Responses in Patients with Pulmonary Tuberculosis and ... Rituximab depletes B cells and may reduce the production of autoantibodies against PLA2R or THSD7A. Therefore, the measurement of autoantibodies in participants ... May 10, 2021 ... We report the findings of a randomized, double-blind, placebo-controlled, multi-site phase 3 clinical trial (NCT03537014) to test the efficacy ...