Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500114915) titled 'Observational study of sustained-release hydromorphone tablets for refractory cancer pain in China' on Dec. 18, 2025.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The second affiliated hospital of Zhejiang University school of medicine

Condition: Chronic cancer pain

Intervention: Hydromorphone Extended Release Tablets Group:Hydromorphone Extended Release Tablets

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2025-12-31

Target Sample Size: Hydromorphone Extended Release Tablets Group:50;Oxycodone Extended Release Tablets Group:50;

Countries of Re...