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This study is prospective, randomized trial in which the efficacy of liposomal bupivacaine (Exparel®) is compared to standard bupivacaine local surgical site injection in reducing total IV and oral morphine equivalents required after laparoscopic bariatric surgery. Liposomal bupivacaine is a 72-hour bupivacaine that is slowly released from tissue over the course of three days. Having a long acting local anesthetic should provide better pain control than conventional bupivacaine which has a 3.5-hour half-life. In some studies, the use of liposomal bupivacaine has been shown to decrease pain and narcotic use after surgery. This has not yet been studied in bariatric patients and the use of liposomal bupivacaine can potentially improve patient post-operative pain control, decrease narcotic use, decrease hospital length of stay and readmission rates and improve patient satisfaction after bariatric surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Liposomal Bupivacaine | Active Comparator | Liposomal bupivacaine (Exparel) 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
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| Control | Active Comparator | 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Exparel 266 MG Per 20 ML Injection | Drug | Liposomal bupivacaine 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
| Measure | Description | Time Frame |
|---|---|---|
| Morphine Equivalents | in hospital total oral and IV morphine equivalents required after laparoscopic bariatric surgery. | within 1 week post-operatively |
| Measure | Description | Time Frame |
|---|---|---|
| Cumulative Pain Score | Average pain scores by blinded nurse obtained. Analogue pain rating scale ranged from 0 to 10 with 0 being no pain and 10 being the worst possible pain. Assessment of pain and nausea were performed every 4 hours after operation until discharge. | within 48 hours post operatively |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Pearl Ma, MD | University of San Francisco - Fresno | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Fresno Heart and Surgical Hospital | Fresno | California | 93720 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 31375443 | Result | Ma P, Lloyd A, McGrath M, Shuchleib Cung A, Akusoba I, Jackson A, Swartz D, Boone K, Higa K. Efficacy of liposomal bupivacaine versus bupivacaine in port site injections on postoperative pain within enhanced recovery after bariatric surgery program: a randomized clinical trial. Surg Obes Relat Dis. 2019 Sep;15(9):1554-1562. doi: 10.1016/j.soard.2019.06.004. Epub 2019 Jun 17. |
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| ID | Title | Description |
|---|---|---|
| FG000 | Liposomal Bupivacaine | Liposomal bupivacaine (Exparel) 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Exparel 266 MG Per 20 ML Injection: Liposomal bupivacaine 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
| FG001 | Control | 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Bupivacaine: 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
| Title | Milestones | Reasons Not Completed | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | Liposomal Bupivacaine | Liposomal bupivacaine (Exparel) 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Exparel 266 MG Per 20 ML Injection: Liposomal bupivacaine 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Morphine Equivalents | in hospital total oral and IV morphine equivalents required after laparoscopic bariatric surgery. | Posted | Mean | Standard Deviation | MEU | within 1 week post-operatively |
|
30 days
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Liposomal Bupivacaine | Liposomal bupivacaine (Exparel) 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Exparel 266 MG Per 20 ML Injection: Liposomal bupivacaine 20mL of injectable saline diluted with 60 ml of 0.25% Marcaine and 20 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive a 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Readmission to hospital | Gastrointestinal disorders | SNOMED CT | Non-systematic Assessment | Nausea requiring IV hydration |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Pearl Ma | University of California-San Francisco Fresno | 5592614500 | pma@fresno.ucsf.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Dec 5, 2017 | Nov 2, 2020 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| D011183 | Postoperative Complications |
| ID | Term |
|---|---|
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
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| ID | Term |
|---|---|
| D007267 | Injections |
| D002045 | Bupivacaine |
| ID | Term |
|---|---|
| D004333 | Drug Administration Routes |
| D004358 | Drug Therapy |
| D013812 | Therapeutics |
| D000813 | Anilides |
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|
|
| Bupivacaine | Drug | 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
|
|
| BG001 | Control | 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Bupivacaine: 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
| BG002 | Total | Total of all reporting groups |
| Participants |
|
| Age, Continuous | Mean | Standard Deviation | years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Race and Ethnicity Not Collected | Race and Ethnicity were not collected from any participant. | Count of Participants | Participants |
|
| Body Mass Index (BMI) | BMI is Calculated as Kg/m^2 | Mean | Standard Deviation | Kg/m^2 |
|
| Diabetes | Count of Participants | Participants |
|
| Hypertension | Count of Participants | Participants |
|
| Control |
60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Bupivacaine: 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). |
|
|
| Secondary | Cumulative Pain Score | Average pain scores by blinded nurse obtained. Analogue pain rating scale ranged from 0 to 10 with 0 being no pain and 10 being the worst possible pain. Assessment of pain and nausea were performed every 4 hours after operation until discharge. | Posted | Mean | Standard Deviation | score on a scale | within 48 hours post operatively |
|
|
|
| 0 |
| 89 |
| 5 |
| 89 |
| 0 |
| 89 |
| EG001 | Control | 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). Bupivacaine: 60 milliliters (ml) of 0.25% bupivacaine diluted with 40 ml of saline for a total of 100 ml. After induction of anesthesia, the patients will receive 20 ml mixture locally infiltrated at each trocar incision site (5 sites). | 0 | 90 | 3 | 90 | 0 | 90 |
|
| Reoperations | Blood and lymphatic system disorders | SNOMED CT | Non-systematic Assessment | Bleeding |
|
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| D012816 | Signs and Symptoms |
| D000577 |
| Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
| D000588 | Amines |