Analgesic Efficacy of Bilateral Superficial Cervical Plexus Block in Robot-assisted Endoscopic Thyroidectomy Using a Transaxillary Approach

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01325857

Enrollment

Registered

2011-03-30

Start date

2011-01-31

Completion date

2012-02-29

Last updated

2012-02-28

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

Conditions

Thyroid Cancer

Brief summary

This study was designed to investigate the analgesic effect of bilateral superficial cervical plexus block in patients undergoing robot-assisted endoscopic thyroidectomy. The investigators hypothesized that bilateral superficial cervical plexus blockade would reduce the patient's pain score by more than 10 (on a VAS scale of 0\ 100) compared to a placebo group and control group.

Interventions

PROCEDUREBilateral superficial cervical plexus block

Bilateral superficial cervical plexus block with 0.525% ropivacaine 20ml

PROCEDUREplacebo

Procedure: Bilateral superficial cervical plexus block with normal saline 20ml

PROCEDUREControl group

Procedure: Local anesthetic infiltration at incision site with 0.525% ropivacaine 20ml

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

DOUBLE (Subject, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

20 Years to No maximum

Healthy volunteers

Inclusion criteria

* ASA class 1 or 2 adult patients scheduled for robot-assisted endoscopic thyroidectomy

Exclusion criteria

* Patient refusal * Bleeding diathesis * Allergies to local anesthetics * Patient unable to read consent form (Foreigner, illiterate) * Pregnant women

Design outcomes

Primary

Measure	Time frame
Visual analogue pain score	Immediate post-operation (at recovery room) (day 1)

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026