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AnesthesiaNCT05063578

The Minimum Effective Concentration of Lidocaine for Ultrasound-guided Axillary Block for Arterio-venous Fistula Creation Surgery

A study testing Lidocaine 2% Injectable Solution in people with Anesthesia, run by Far Eastern Memorial Hospital at 1 site in Taiwan.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The arteriovenous fistula creation (AVF creation) surgery is essential among patients with end stage renal disease who require hemodialysis. The fistula usually locates at forearm, and is created by connecting artery and vein through surgery. Read more about this study

Who is it for?
Ages 20 years and older
Conditions the study is for
Anesthesia
What is being tested?
Lidocaine 2% Injectable Solution
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
80 participants
Where
1 siteTaiwan
Study dates
20 Sep 2021to 31 Dec 2022
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • ASA classification I to III
  • Operation site : First time undergone surgery

Who cannot join

  • ASA classification IV to V
  • Previous operation at surgical site before
  • Allergy to local anesthetics
  • Infectious state of injection point
  • Neuromuscular disease causing preoperative numbness or weakness of extremities
  • History of vascular thromboembolism including stroke, pulmonary embolism
Show all 9Show fewer
  • Peripheral neuropathy
  • Patient with psychiatric disease
  • Coagulopathy, or patient taking anti-coagulant

Trial locations and contacts

1 site in 1 country.

Taiwan1 site, 1 recruiting
  • Chen Yen Hua

    New Taipei City, 220

    Yen Hua Chen, MD, 886910003805, yanhua0624@gmail.com

    Recruiting

Other trials in Taiwan

About this study

The arteriovenous fistula creation (AVF creation) surgery is essential among patients with end stage renal disease who require hemodialysis. The fistula usually locates at forearm, and is created by connecting artery and vein through surgery. Patients undergone hemodialysis through the fistula six weeks later if fistula becoming mature, which means patent vessel diameter and enough flow for hemodialysis. The primary failure rate of arteriovenous fistula creation is about 20% to 40% according to previous research data. Thrombosis is the most common cause of fistula failure, which require surgical intervention after arteriovenous fistula surgery.

Anesthetic technique influences surgical outcome of arteriovenous fistula. General anesthesia, regional anesthesia, and local anesthesia are both wide-used methods. Regional anesthesia with nerve block remains the most popular method for arteriovenous fistula creation. The vessel dilation effect of regional anesthesia helps not only dilatation of artery and vein, but also the fistula itself, and promotes the successful functional dialysis. Various type of nerve block are used as anesthetic method for AVF creation surgery.

People requiring hemodialysis usually have multiple underlying disease involving other major organ such as heart, lung, liver, and the endocrine system. They are more vulnerable to systemic intravenous anesthetic medication. The metabolic rate and pharmacodynamics of local anesthetic may also alter due to multiple systemic disease when compared with healthy adults. The optimal concentration of lidocaine for AVF creation when using axillary block has not yet been studied. This research is conducted for dosing response of different concentration of lidocaine when using axillary block for AVF creation surgery. We aim to investigate the optimal low effective concentration, the MEC90, which defined as 90% of patients can tolerate the operation at this concentration.

Conditions
Anesthesia
Being tested
Lidocaine 2% Injectable Solution

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Lidocaine 2% Injectable SolutionDrug

    Different concentration of lidocaine, injected via axillary block for arterio-venous fistula creation surgery

Study groups in NCT05063578
Study groupRoleWhat they receive
ParticipantExperimentalNot described
Receives: Drug: Lidocaine 2% Injectable Solution

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Minimal effective concentration of lidocaine solution

    To test the sensory and motor blockade after local anesthetics being injected by dermatome testing of upper extremity

    Measured: Before the operation

Secondary outcomes (1)
  1. Functional Dialysis

    Percentage (%) of patient who under gone hemodialysis via the fistula created

    Measured: six weeks after the operation

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Oct 2021
  2. Study start20 Sep 2021 (estimated)
  3. Primary completion31 Aug 2022 (estimated)
  4. Study completion31 Dec 2022 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Sequential
Masking
None (open label)
Enrolment
80 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05063578
Sponsor's protocol ID
110122-F
Status last verified
Sep 2021
First submitted
8 Sep 2021
Last updated
1 Oct 2021
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A study testing Lidocaine 2% Injectable Solution in people with Anesthesia, run by Far Eastern Memorial Hospital at 1 site in Taiwan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 1 Oct 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Taiwan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Each site lists its own contact: choose the nearest one under Trial locations. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Minimal effective concentration of lidocaine solution (time frame: Before the operation). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Oct 2021.

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