Completed PHASE2 INTERVENTIONAL 2-arm NCT05579223

Intrathecal Hydromorphone for Postoperative Pain of Anorectal Surgery (IMPAS)

Intrathecal Hydromorphone for Postoperative Pain of Anorectal Surgery: A Randomized, Double-blind, Parallel, Placebo-controlled Trial

Sponsor: Xinhua Hospital, Shanghai Jiao Tong University School of Medicine

Conditions Acute Pain Analgesia Anorectal Disorder Post Operative Pain

Interventions Intrathecal Hydromorphone Mono Injection Intrathecal Placebo Mono Injection

Updated 6 times since 2022 Last updated: Jan 29, 2024 Started: Oct 17, 2022 Primary completion: Jan 24, 2024 Completion: Jan 27, 2024

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

This PHASE2 trial investigates Acute Pain and Analgesia and is currently completed. Xinhua Hospital, Shanghai Jiao Tong University School of Medicine leads this study, which shows 6 recorded versions since 2022 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Feb 2024 — Jul 2024 [monthly]

Completed PHASE2

Status: Recruiting → Completed
Dec 2023 — Feb 2024 [monthly]

Recruiting PHASE2
Mar 2023 — Dec 2023 [monthly]

Recruiting PHASE2

▶ Show 1 earlier version

Nov 2022 — Mar 2023 [monthly]

Recruiting PHASE2

First recorded

Oct 2022

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Xinhua Hospital, Shanghai Jiao Tong University School of Medicine

Data source: Xinhua Hospital, Shanghai Jiao Tong University School of Medicine

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

Study Locations

• Shanghai, China