The usefulness of dual channel elastomeric pump for intravenous patient-controlled analgesia in geriatrics: a randomized, double-blind, prospective study

The usefulness of dual channel elastomeric pump for intravenous patient-controlled analgesia in geriatrics: a randomized, double-blind, prospective study - Efficacy of dual channel IV-PCA in geriatrics

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039702

Enrollment

Registered

2020-03-05

Start date

2019-10-02

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Elderly patients above 65 years undergoing orthopedic surgery

Interventions

Interventions: Fentanyl based PCA in both &quot

Basal and bolus channel (constant flow channel

fentanyl 13 ug/kg + ramosetron 0.4mg, total 100ml, 2ml/hr)&quot

and &quot

Selector channel (adjustable flow channel

fentanyl 7 ug/kg + ramosetron 0.2mg, total 50ml, 1(0-2)ml/hr)&quot

Control: Fentanyl based PCA in &quot

fentanyl 20 ug/kg + ramosetron 0.6mg, total 100ml, 2ml/hr)&quot

and Placebo in &quot

normal saline 50ml, 1(0-2)ml/hr)&quot

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ASA I-III patients expecting a scheduled orthopedic surgery

Exclusion criteria

Exclusion criteria: BMI at or above 35, drug abuse, allergy history in fentanyl and ramosetron, dementia, psychiatric disease, communication problem, severe chronic pain, and incapable of decision making

Design outcomes

Primary

Measure	Time frame
Opioid(fentanyl) consumption after surgery (post-op 6, 12, 24, 36, 48 hours)	—

Secondary

Measure	Time frame
Pain score(Verbal numeric rating scale) rescue analgesic (ketorolac) patient satisfaction recovery scores including RASS, CAM-ICU and PARS adverse events including PONV	—

Countries

Asia(except Japan)

Contacts

Public ContactYoung Sung Kim

Korea University Guro Hospital Department of Anesthesiology and Pain medicine

stelios@naver.com82-2-2626-1437

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026