Effect of different doses of intrathecal morphine pump on morphine tolerance

Status

Recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900027426

Enrollment

Unknown

Registered

2019-11-12

Start date

2019-11-20

Completion date

Unknown

Last updated

2019-11-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cancer pain

Interventions

Low-dose morphine group :0-50ug of morphine

Medium-dose morphine group :51-100 ug of morphine

High-dose morphine group:>101 ug of morphine

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cancer pain; aged 20-70 years;

Exclusion criteria

Exclusion criteria: Severe infection; history of alcohol or drug abuse; severe depression; inability to communicate; limited activity, etc..

Design outcomes

Primary

Measure	Time frame
Increased dose of morphine;	—

Secondary

Measure	Time frame
NRS;side effect;	—

Countries

China

Contacts

Public ContactMeng Chao

Affiliated Hospital of Qingdao University

mengchao1119@126.com+86 18661808786

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026