Do placebos that elicit side effects influence perceived treatment allocation and enhance the placebo effect for sleep compared with conventional placebos?

Not Applicable

Completed

• Conditions: Sleep difficulty; Mental Health - Studies of normal psychology, cognitive function and behaviour

• Registration Number: ACTRN12618002048268
• Lead Sponsor: The University of Sydney

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2018-12-21
• Study Completion: 2019-10-22
• Last Update Posted: 6 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 115

Inclusion Criteria

(1) at least 18 years of age; (2) threshold score of >=10 on the ISI

Exclusion Criteria

(1) taking prescription medication (other than the contraceptive pills); (2) pregnancy, trying to conceive, or breastfeeding; (3) received treatment for sleep difficulty in the last three months; (4) antihistamine, beetroot, or lactose allergy, or any other intolerances; (5) abnormal/deficient kidney functioning or any other medical condition; (6) gastric problems or sensitive stomach (e.g. acid reflux)

Study & Design

• Study Type: Interventional
• Study Design: Not specified