# Investigating Hope and Expectations in Open-Label Placebos

> **NCT03517644** · NA · COMPLETED · sponsor: **Philipps University Marburg** · enrollment: 100 (actual)

## Conditions studied

- Pain

## Interventions

- **OTHER:** DP
- **OTHER:** OLP Hope
- **OTHER:** OLP Expectation
- **OTHER:** Placebo cream
- **OTHER:** Heat pain

## Key facts

- **NCT ID:** NCT03517644
- **Lead sponsor:** Philipps University Marburg
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-02-10
- **Primary completion:** 2018-06-30
- **Final completion:** 2018-08-21
- **Target enrollment:** 100 (ACTUAL)
- **Last updated:** 2018-08-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03517644

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03517644, "Investigating Hope and Expectations in Open-Label Placebos". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03517644. Licensed CC0.

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