Completed PHASE1/PHASE2 INTERVENTIONAL 2-arm NCT03751111

Treatment of Chronic Itch in Patients Under Arsenic Exposure With Naloxone

Treatment of Chronic Itch in Patients Under Arsenic Exposure With Sublingual Naloxone: A Double-blind Randomized Controlled Trial

Sponsor: Xiangya Hospital of Central South University

Conditions Chronic Pruritus

Interventions Naloxone Placebo

Updated 7 times since 2018 Last updated: Apr 2, 2025 Started: Feb 13, 2019 Primary completion: Mar 1, 2019 Completion: Mar 30, 2019

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

A PHASE1/PHASE2 clinical study on Chronic Pruritus, this trial is completed. The trial is conducted by Xiangya Hospital of Central South University and has accumulated 7 data snapshots since 2019. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

7 versions recorded

May 2025 — Present [monthly]

Completed PHASE1/PHASE2
Sep 2024 — May 2025 [monthly]

Completed PHASE1/PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE1/PHASE2

Phase: PHASE1_PHASE2 → PHASE1/PHASE2
Jan 2021 — Jul 2024 [monthly]

Completed PHASE1_PHASE2
May 2019 — Jan 2021 [monthly]

Completed PHASE1_PHASE2

Status: Not Yet Recruiting → Completed

▶ Show 2 earlier versions

Mar 2019 — May 2019 [monthly]

Not Yet Recruiting PHASE1_PHASE2
Dec 2018 — Mar 2019 [monthly]

Not Yet Recruiting PHASE1_PHASE2

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Xiangya Hospital of Central South University

Data source: Xiangya Hospital of Central South University

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

Study Locations

• Changsha, China