Open-Label Placebo for Non-Specific Pain in the ED
OLP_EM
Open -Label Placebo for Non-specific Pain in the Emergency Department: Study Protocol for a Mixed-method Randomised Control Feasibility Study
1 other identifier
interventional
57
1 country
1
Brief Summary
The aim of this study is to assess whether an intervention with open-label placebo (OLP) for non-specific pain in the emergency department is feasible.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started May 2024
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 25, 2024
CompletedFirst Posted
Study publicly available on registry
May 10, 2024
CompletedStudy Start
First participant enrolled
May 23, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 13, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
February 13, 2026
CompletedMarch 9, 2026
March 1, 2026
1.7 years
April 25, 2024
March 6, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Rate of eligible patients consenting to participate
Feasibility Outcome. Threshold: ≥30% of eligible patients for the target population of 50 patients within 12 months.
12 months
Rate of patients adhering to the study protocol in terms of medication intake
Feasibility Outcome. Threshold: ≥70% of patients with at least ≥70% medication intake according to the protocol.
7 days
Rate of patients completing their outcome (self-)assessments (i.e. questionnaires)
Feasibility Outcome. Threshold: ≥80% of patients with completed assessments/questionnaires..
30 days
Rate of patients' satisfaction with the intervention and study procedure
Feasibility Outcome. Threshold: ≥70% of patients with a score ≥6 on a scale from 0 (absolutely not satisfied) to 10 (absolutely satisfied).
30 days
Secondary Outcomes (10)
Change in pain intensity as measured through daily self-reported Brief Pain Inventory-Short Form (BPI-SF)
8 days
Change in pain interference as measured through daily self-reported Brief Pain Inventory-Short Form (BPI-SF)
8 days
Use of rescue medication
8 days
Frequency and nature of side effects, adverse events
30 days
Rate of patients with ED re-attendance
30 days
- +5 more secondary outcomes
Other Outcomes (6)
Rate of eligible patients declining consent
1 day
Expectancy of Pain Relief Scale on the day of index visit
1 day
Desire for Pain Relief Scale on the day of index visit
1 day
- +3 more other outcomes
Study Arms (2)
Open-label Placebo
EXPERIMENTALTreatment with open-label placebo pills 3x/day
Treatment as usual
ACTIVE COMPARATORTreatment as usual defined as Ibuprofen 3x/day
Interventions
P-Tabletten weiss 10mm (Lichtenstein, Zentiva) pills 3x/day
Eligibility Criteria
You may qualify if:
- Established diagnosis of non-specific acute pain
- Able to understand the study and its outcome measures
- Signed informed consent
- years or older
- Sufficient German language skills
You may not qualify if:
- Chronic pain
- Treatment with pain medication for \> 7 days prior to ED visit
- Known allergy or intolerance to ibuprofen
- Known hereditary galactose-intolerance, lactase deficiency or glucosegalactose malabsorption
- Participation in another clinical trial with medicinal products
- Need for hospitalization
- Known pregnancy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Bojana Degen, Co-investigator, University of Basel, Faculty of Psychologycollaborator
- Bruno Minottilead
- Roland Bingisser, Principal Investigator, Head of Emergency Department, University Hospital Baselcollaborator
- Jens Gaab, Co-investigator, Head of Division University of Basel, Faculty of Psychologycollaborator
- Anna Szczesna, Co-investigator, University Hospital Basel, Emergency Departmentcollaborator
- Christian H Nickel, Co-investigator, Deputy Head of Emergency Department, University Hospital Baselcollaborator
Study Sites (1)
University Hospital Basel
Basel, Switzerland
Related Publications (1)
Degen B, Szczesna A, Nickel CH, Bingisser R, Gaab J, Minotti B. Open-label placebo for non-specific pain in the emergency department (OLP EM): study protocol for a mixed-method randomised control feasibility study in Switzerland. BMJ Open. 2025 Mar 25;15(3):e090508. doi: 10.1136/bmjopen-2024-090508.
PMID: 40132833DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Bruno Minotti, MD
Emergency Department, University Hospital Basel, Switzerland
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Sponsor Investigator, University Hospital Basel, Emergency Department
Study Record Dates
First Submitted
April 25, 2024
First Posted
May 10, 2024
Study Start
May 23, 2024
Primary Completion
February 13, 2026
Study Completion
February 13, 2026
Last Updated
March 9, 2026
Record last verified: 2026-03
Data Sharing
- IPD Sharing
- Will not share