Completed NA INTERVENTIONAL 2-arm NCT04115462

A Relation of Morphine-induced Itch and Pain Processing

A Mechanistic Study on Morphine-induced Orthogonal Neural Plasticity for Itch and Pain Processing in Humans (a Relation of Morphine-induced Itch and Pain Processing)

Sponsor: Aalborg University

Conditions Itch Morphine

Interventions Cowhage (Mucuna Pruriens) Histamine Morphine Placebo oral tablet isotonic saline

Updated 9 times since 2019 Last updated: Jul 7, 2020 Started: Jan 15, 2020 Primary completion: May 1, 2020 Completion: Jul 7, 2020

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04115462, this NA trial focuses on Itch and Morphine and remains completed. Sponsored by Aalborg University, it has been updated 9 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

9 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Aug 2020 — Jan 2021 [monthly]

Completed NA

Status: Recruiting → Completed

▶ Show 4 earlier versions

May 2020 — Aug 2020 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting
Feb 2020 — May 2020 [monthly]

Not Yet Recruiting NA
Jan 2020 — Feb 2020 [monthly]

Not Yet Recruiting NA
Nov 2019 — Jan 2020 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Aalborg University

Data source: Aalborg University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Aalborg, Denmark