{Reference Type}: Journal Article {Title}: Placebos in Schizophrenia Research: An Historical Overview and Introduction to Ethical Issues. {Author}: Berkhout SG; {Journal}: Schizophr Bull Open {Volume}: 3 {Issue}: 1 {Year}: 2022 Jan 暂无{DOI}: 10.1093/schizbullopen/sgac051 {Abstract}: This short introduction provides a historical and ethical overview of placebos and placebo controls in relation to schizophrenia research, with a focus on long-term clinical trials. Drawing on historical and philosophical scholarship, it sketches a two-level analysis of ethical issues that placebos and the placebo effect raise for the field, particularly in light of shifts in clinical trial methodologies and clinical practices.