# Study on the Development of Opioid Induced Hyperalgesia (OIH) After Exposure to Alfentanil

> **NCT00991809** · NA · COMPLETED · sponsor: **Johns Hopkins University** · enrollment: 22 (actual)

## Conditions studied

- Hyperalgesia

## Interventions

- **DRUG:** Alfentanil
- **DRUG:** Diphenhydramine

## Key facts

- **NCT ID:** NCT00991809
- **Lead sponsor:** Johns Hopkins University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-02
- **Primary completion:** 2010-05
- **Final completion:** 2010-05
- **Target enrollment:** 22 (ACTUAL)
- **Last updated:** 2017-10-06

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00991809

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00991809, "Study on the Development of Opioid Induced Hyperalgesia (OIH) After Exposure to Alfentanil". Retrieved via AI Analytics 2026-07-02 from https://api.ai-analytics.org/clinical/NCT00991809. Licensed CC0.

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