CClinicalTrials.gg
Sign In
Status unknownNCT00980577Updated Nov 10, 2010

Stimulating Catheter With or Without Ultrasound Guidance

A Phase 4 interventional study of NUUS in Pain, sponsored by Peking University Third Hospital. Status unknown at 1 site in China. Open to participants aged 30 Years to 90 Years. Per ClinicalTrials.gov, last updated 2010-11-10.

Sponsored by Peking University Third Hospital · Phase 4, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Sep 2009), so the status shown — last known as Recruiting — may be out of date.
Phase
Phase 4
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
30 Years to 90 Years
Sex
All
01

Study summary

To study whether the combination of ultrasound guidance and stimulating catheter could reduce the time for needle and catheter insertion compared with using stimulating catheter alone. Secondary outcomes: analgesic effects after the surgery.

02

Conditions studied

  • Pain
03

In context

Lead sponsor

Peking University Third Hospital is the lead sponsor of 735 studies on the registry; 262 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
30 Years to 90 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Elective primary total knee replacement surgery under neuraxial anesthesia ASA\<=4
  • Able to give informed consent
  • Able to cooperate with sensory and motor testing of lower limb function

Exclusion criteria

Exclusion Criteria:

  • coagulopathy
  • Allergy to local anaesthetic or postanalgesic rescue regimen
  • Signs, symptoms or laboratory evidence of local infection or systemic sepsis
  • No pre-existing neurological deficit (sensory or motor) affecting lower limb
  • Patients with lower limb amputations
05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
100 participants (estimated)

Study arms

  • Active comparator
    NS

    stimulating catheter will be inserted using stimulator

    Device: NUUS

Interventions

  • DeviceNUUS

    Sonosite Micro Maxx

    Also known as: stimulating catheter will be inserted under stimulator and ungrasoud guidance

06

What researchers measure

Primary outcomes

  1. time and number of attempts to perform block, the efficacy of the block

    Time frame: during the block procedure

Secondary outcomes

  1. postoperative analgesic effect

    Time frame: pod 1-3

07

Study locations

1 of 1 sites recruiting
  • Peking University Third Hosptial
    Beijing, 100191, China
    Recruiting
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 10, 2010, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00980577
Lead sponsor
Peking University Third Hospital
First posted
Sep 21, 2009
Start date
Jan 2008
Primary completion
Nov 2009 (estimated)
Last update
Nov 10, 2010

Study contacts

Min Li, MD
Contact
liminanesth@yahoo.com.cn
86-10-82266688 ext. 8799
Xuedong Wang, MS
Contact
wangxuedong1216@sina.com
86-10-82266688 ext. 7260

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Sep 2009. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Other studies from this sponsor

Peking University Third Hospital

Start the discussion