NCT06408519

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
57

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2024

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 25, 2024

Completed
15 days until next milestone

First Posted

Study publicly available on registry

May 10, 2024

Completed
13 days until next milestone

Study Start

First participant enrolled

May 23, 2024

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 13, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 13, 2026

Completed
Last Updated

March 9, 2026

Status Verified

March 1, 2026

Enrollment Period

1.7 years

First QC Date

April 25, 2024

Last Update Submit

March 6, 2026

Conditions

Keywords

open-label placebonon-specific painemergency department

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

EXPERIMENTAL

Treatment with open-label placebo pills 3x/day

Other: Placebo (open-label)

Treatment as usual

ACTIVE COMPARATOR

Treatment as usual defined as Ibuprofen 3x/day

Drug: Ibuprofen 400 mg

Interventions

P-Tabletten weiss 10mm (Lichtenstein, Zentiva) pills 3x/day

Open-label Placebo

Ibuprofen pills 3x/day

Also known as: Ibuprofen-Sandoz
Treatment as usual

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Study Sites (1)

University Hospital Basel

Basel, Switzerland

Location

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.

MeSH Terms

Conditions

Acute PainEmergencies

Interventions

Ibuprofen

Condition Hierarchy (Ancestors)

PainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and SymptomsDisease AttributesPathologic Processes

Intervention Hierarchy (Ancestors)

PhenylpropionatesAcids, CarbocyclicCarboxylic AcidsOrganic Chemicals

Study Officials

  • Bruno Minotti, MD

    Emergency Department, University Hospital Basel, Switzerland

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: mixed-method randomised control feasibility study
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

Locations