Roles of administration route, expectation, and belief in placebos in a randomized controlled trial with open-label placebos.
Schaefer M; Liedtke C; Enge S · 2025 · Scientific reports
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Recent reports challenge the view that placebos need to be given in deception. Numerous studies report remarkable effects when giving placebos honestly in an open way. However, the mechanisms of open-label placebos still remain to be…
Excerpt shown for reference under fair use — read the full paper at the publisher.
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Metadata source: Europe PMC · DOI 10.1038/s41598-025-27622-5