Randomized controlled trial to evaluate the superiority of the Single Port Chlecystectomy (SPC) on reduction of postoperative pain, compared with the conventional laparoscopic cholecystectomy at the single institution

Randomized controlled trial to evaluate the superiority of the Single Port Chlecystectomy (SPC) on reduction of postoperative pain, compared with the conventional laparoscopic cholecystectomy at the single institution - Randomized controlled trial to evaluate the superiority of the Single Port Chlecystectomy (SPC)

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002539

Enrollment

Registered

2009-09-24

Start date

2009-06-01

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

Patients undergoing cholecystectomy

Interventions

Single Port Cholecystectomy Conventional Laparoscopic Cholecystectomy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients, who are scheduled to undergo cholecystectomy at our institution, provide a written informed consent, and do not meet the below exclusion criteria.

Exclusion criteria

Exclusion criteria: 1)Clinically-proven gallbladder cancer or choledocholithasis. 2)Cases with symptom caused by gallbladder 3)Serious coexisting illness a; uncontrolled hypertension b; history of myocardial infarction, unstable angina within 6 months prior to the registration c; liver cirrhosis d; severe pulmonary dysfunction 4) pregnant or nursing 5) severe mental disorders 6) not suitable for participating in the study for any other reason

Design outcomes

Primary

Measure	Time frame
pain score	—

Secondary

Measure	Time frame
Rate of the analgesic requirement, total operation time, cost of operation, blood examine, hospital stay	—

Countries

Japan

Contacts

Public ContactMitsuhiro Asakuma

Osaka Medical College Depertment of General and Gastroenterological Surgery

sur105@poh.osaka-med.ac.jp

Outcome results

None listed

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