# Conditioned Open-label Placebo (COLP) for Peri-operative Pain Management in Patients With Head and Neck Cancer

> **NCT04973748** · NA · COMPLETED · sponsor: **Johns Hopkins University** · enrollment: 9 (actual)

## Conditions studied

- Postoperative Pain
- Opioid Use

## Interventions

- **BEHAVIORAL:** Conditioned open-label placebo (COLP)
- **BEHAVIORAL:** Surveys about pain, opioid use and depression symptoms

## Key facts

- **NCT ID:** NCT04973748
- **Lead sponsor:** Johns Hopkins University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-02-07
- **Primary completion:** 2024-06-28
- **Final completion:** 2024-06-28
- **Target enrollment:** 9 (ACTUAL)
- **Last updated:** 2024-08-23

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04973748

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04973748, "Conditioned Open-label Placebo (COLP) for Peri-operative Pain Management in Patients With Head and Neck Cancer". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT04973748. Licensed CC0.

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