Comparison of the analgesic effect of ropivacaine alone or in combination with morphine and betamethasone in total knee arthroplasty without tourniquet: a prospective randomized controlled trial

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1800018372

Enrollment

Unknown

Registered

2018-09-14

Start date

2018-09-13

Completion date

Unknown

Last updated

2018-09-17

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

Conditions

Total knee arthroplasty

Interventions

A:Ropivacaine alone

B:Ropivacaine with morphine and betamethasone

Eligibility

Sex/Gender

All

Age

18 Years to 85 Years

Inclusion criteria

Inclusion criteria: Undertake total knee arthroplasty. Informed consent is available

Exclusion criteria

Exclusion criteria: Age 85 years old, drug allergy

Design outcomes

Primary

Measure	Time frame
Pain;Function outcomes;Complication;Postoperative analgesic use;	—

Secondary

Measure	Time frame
Inflammatory;Blood loss;	—

Countries

China

Contacts

Public ContactZongke Zhou

West China Hospital, Sichuan University

zongke@126.com+86 13207100126

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 6, 2026