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Breast - FemalePhase 3NCT02601027

Transversus Abdominis Plane Block in Microsurgical Breast Recon w/Abdominal Free Flap in Breast CA

A Phase 3 study testing Transversus Abdominis Plane (TAP) block, Nimbus Infusion Pump IV Administration and Bupivacaine infusion in people with Breast - Female, run by Stanford University at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The primary objective is to determine if pre-operative transversus abdominis plane (TAP) nerve blocks by continued infusion of local anesthetic post-operatively affects post-operative narcotic usage, as compared to a placebo TAP block, after breast reconstruction surgery. Read more about this study

Who is it for?
Ages 18 years and older, women only
Conditions the study is for
Breast - Female
What is being tested?
Transversus Abdominis Plane (TAP) block, Nimbus Infusion Pump IV Administration and Bupivacaine infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
120 participants
Where
1 siteUnited States
Study dates
Nov 2015to Jun 2021
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 18 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Prior diagnosis or presumed diagnosis of breast cancer or undergoing prophylactic treatment.
  • Greater than 18 years old.
  • Female.
  • Undergoing microsurgical breast reconstruction with abdominal free flap.
  • Ability to understand and the willingness to sign a written informed consent document.

Who cannot join

  • True allergy to local anesthetics or opioids.
  • History of addiction to narcotics within the last 24 months
  • History of chronic pain on opioids within the last 24 months.
  • Specific mental health issues such as schizophrenia or bipolar disorder.
  • Patients who are pregnant.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Stanford University Medical Center

    Stanford, California, 94305

Other trials in United States

About this study

Official title: A Phase III Study of Pre-operative Transversus Abdominis Plane Blocks Using the Nimbus Ambulatory Infusion System in Patients Undergoing Abdominal Free Flap-based Breast Reconstruction

The primary objective is to determine if pre-operative transversus abdominis plane (TAP) nerve blocks by continued infusion of local anesthetic post-operatively affects post-operative narcotic usage, as compared to a placebo TAP block, after breast reconstruction surgery.

Read the detailed description

Primary Objective: The primary objective is to determine if pre-operative transversus abdominis plane (TAP) blocks with continued infusion of local anesthetic post-operatively affect post-operative narcotic usage as compared to a placebo TAP block.

Secondary Objectives:

  • Determine if pre-operative TAP blocks with continued infusion of local anesthetic post-operatively affect post-operative pain scores as compared to a placebo TAP block.
  • Determine if pre-operative TAP blocks with continued infusion of local anesthetic post-operatively affect anti-emetic usage as compared to a placebo TAP block.
  • Determine if pre-operative TAP blocks with continued infusion of local anesthetic post-operatively affect time to ambulation post-operatively as compared to a placebo TAP block.
  • Determine if pre-operative TAP blocks with continued infusion of local anesthetic post-operatively affect time to first bowel movement as compared to a placebo TAP block.
  • Determine if pre-operative TAP blocks with continued infusion of local anesthetic post-operatively affect patient-reported quality of life as compared to a placebo TAP block.
Conditions
Breast - Female
Being tested
Transversus Abdominis Plane (TAP) block, Nimbus Infusion Pump IV Administration, Bupivacaine infusion, Acetominophen, Hydromorphone

What participants receive

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

  • Transversus Abdominis Plane (TAP) blockProcedure or surgery

  • Nimbus Infusion Pump IV AdministrationDevice

  • Bupivacaine infusionDrug

    Also called Exparel, Marcaine, Marcaine Spinal, Sensorcaine

  • AcetominophenDrug

    Also called Tylenol

  • HydromorphoneDrug

    Also called Dilaudid, Dilaudid-HP, Exalgo

  • OxycodoneDrug

    Also called Oxycontin, Xtampza ER, Oxaydo, Roxicodone

  • OndansetronDrug

    Also called Zofran, Zofran ODT, Zuplenz

Study groups in NCT02601027
Study groupRoleWhat they receive
0.125% BupivacaineExperimental0.125% bupivacaine infusion via transversus abdominis plane (TAP) catheter
Receives: Procedure: Transversus Abdominis Plane (TAP) block; Device: Nimbus Infusion Pump IV Administration; Drug: Bupivacaine infusion; Drug: Acetominophen; Drug: Hydromorphone; Drug: Oxycodone; Drug: Ondansetron
PlaceboPlacebo comparatorSaline infusion (sham) via transversus abdominis plane (TAP) catheter.
Receives: Procedure: Transversus Abdominis Plane (TAP) block; Device: Nimbus Infusion Pump IV Administration; Drug: Acetominophen; Drug: Hydromorphone; Drug: Oxycodone; Drug: Ondansetron

What is being measured

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

  1. Post-operative Narcotic Usage

    Narcotic usage was collected for first 48 hours post-operatively after breast reconstruction. The type and amount of each narcotic administered were each converted to the morphine equivalent amount that would be orally administered to achieve the same event. This term is known as the oral morphine equivalent (OME). Narcotic usage was assessed between the group receiving transversus abdominis plane (TAP) nerve block compared to the group receiving the placebo control. The outcome is reported as the observed OME for each group.

    Measured: 48 hours

Secondary outcomes (5)
  1. Post-operative Pain Score

    Post-operative Pain Score is defined using Visual Analog Scale (VAS), a patient-reported pain score based on viewing a graphic of a scale 0 to 10, and indicating pain level. Each participant was asked about 48 hours after breast reconstruction to indicate their their perceived pain according on the VAS scale. Higher scores represent greater pain. The outcome is reported as the mean VAS score at 48 hours, with standard deviation.

    Measured: 2 days

  2. Post-operative Anti-emetic Usage

    Odansetron by intravenous administration was used to control nausea (ie, an anti-emetic drug). Anti-emetic usage was collected for first 48 hours post-operatively after breast reconstruction for the group receiving transversus abdominis plane (TAP) nerve block compared to the group receiving the placebo control. The outcome is reported as the mean quantity of Odansetron in milligrams (mg) administered to each group, with standard deviation.

    Measured: 48 hours

  3. Time to Ambulation

    Time to ambulation is defined as the amount of time, from midnight on post-operative Day 1 (ie, first midnight following the surgery), to when the participant to be able to stand up and walk a few steps post-operatively. The assessment of whether or not the participant was able to walk was subjective on the part of the shift nurse (ie, no defined number of steps nor quantitative assessment of gait or stability), and was not explicitly defined in the protocol or elsewhere. The outcome is reported as the time to ambulation in days, with standard deviation, for the group receiving transversus abdominis plane (TAP) nerve block and the group receiving the placebo control.

    Measured: up to 1 week

  4. Time to First Bowel Movement

    Time to first bowel movement is defined as the amount of time, from midnight on post-operative Day 1 (ie, first midnight following the surgery), to when the participant was to be able to pass a stool post-operatively. The outcome is reported as the time in days, with standard deviation, for the group receiving transversus abdominis plane (TAP) nerve block and the group receiving the placebo control.

    Measured: up to 1 week

  5. Quality of Life Measurement

    Quality of life for the study groups was assessed with the BREAST-Q questionnaire, a survey set of 6 pre-operative questionnaires comprised of 58 questions, and 15 post-operative questionnaires, collected 2 to 6 months after surgery, which is comprised of 109 questions. The results range for the pre-operative and post-operative questionnaire sets is 0 to 269 and 0 to 462, respectively. Because the baseline and post-operative domains are different, the BREAST-Q survey is not a measure of quality of life change over time. The Breast Q questionnaire was validated by Pusic, et al (citation provided). Higher scores for a domain represents better quality of life. The outcome is reported as the mean for each group and timepoint, with standard deviation.

    Measured: Pre-operative Baseline and Post-operative (2-6 months)

Timeline

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

  1. First posted10 Nov 2015 (estimated)
  2. Study startNov 2015
  3. Primary completion7 Sep 2019
  4. Study completionJun 2021

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 3
Primary purpose
Supportive care
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
120 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02601027
Sponsor's protocol ID
IRB-34315
Other IDs
BRS0058
Status last verified
Aug 2021
First submitted
4 Nov 2015
Last updated
23 Sep 2021
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
Yes
Individual data sharing
No

Publications

  • Mundy LR, Homa K, Klassen AF, Pusic AL, Kerrigan CL. Breast Cancer and Reconstruction: Normative Data for Interpreting the BREAST-Q. Plast Reconstr Surg. 2017 May;139(5):1046e-1055e. doi: 10.1097/PRS.0000000000003241.

    PubMed 28445351
  • Pusic AL, Klassen AF, Scott AM, Klok JA, Cordeiro PG, Cano SJ. Development of a new patient-reported outcome measure for breast surgery: the BREAST-Q. Plast Reconstr Surg. 2009 Aug;124(2):345-353. doi: 10.1097/PRS.0b013e3181aee807.

    PubMed 19644246
  • Voineskos SH, Klassen AF, Cano SJ, Pusic AL, Gibbons CJ. Giving Meaning to Differences in BREAST-Q Scores: Minimal Important Difference for Breast Reconstruction Patients. Plast Reconstr Surg. 2020 Jan;145(1):11e-20e. doi: 10.1097/PRS.0000000000006317.

    PubMed 31577663
  • Kwong JW, Tijerina JD, Choi S, Shakir A, Nguyen DH, Nazerali RS, Lee GK. Randomized Double-Blinded, Placebo-Controlled Trial: Transversus Abdominis Plane (TAP) Blocks in Breast Cancer Patients Undergoing Reconstruction with Abdominal Free Flap. Annual Meeting of the California Society of Plastic Surgeons. San Diego, California. May 19, 2018.

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Transversus Abdominis Plane (TAP) block, Nimbus Infusion Pump IV Administration and Bupivacaine infusion in people with Breast - Female, run by Stanford University at 1 site in United States.

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 5 inclusion and 5 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: finished, as of the sponsor's last update on 23 Sep 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 United States. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 23 Sep 2021). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Post-operative Narcotic Usage (time frame: 48 hours). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02601027, which also lists 4 linked publications.

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 23 Sep 2021.

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