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HTX-011 Administration Study in Planned Caesarean Section Procedure

Phase 2
Completed
Conditions
Analgesia
Interventions
Registration Number
NCT03955211
Lead Sponsor
Heron Therapeutics
Brief Summary

This is a Phase 2, open-label study to evaluate the PK and safety of HTX-011 in women undergoing a planned C-section.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
25
Inclusion Criteria
  • Is expected, at the time of Screening visit, to deliver a single neonate.
  • Is scheduled to undergo a planned C-section surgery with a low transverse skin incision (eg, Pfannenstiel).
  • Has American Society of Anesthesiologists (ASA) Physical Status of I, II, or III.
  • Agrees to practice abstinence or use double-barrier contraception in the event of sexual activity and commits to the use of an acceptable form of birth control for 30 days after HTX-011 administration.
  • Agrees to refrain from the use of breast milk from this pregnancy in any manner.
Exclusion Criteria
  • Has planned to breastfeed her neonate at any time during the 28-day period after HTX-011 administration.
  • Has had a prior full-term pregnancy with unsuccessful breast milk expression.
  • Has a planned concurrent surgical procedure.
  • Has a contraindication or a known or suspected history of hypersensitivity or clinically significant idiosyncratic reaction to required study medications.
  • Has been administered bupivacaine within 5 days prior to the scheduled surgery.
  • Has been administered any local anesthetic within 72 hours prior to the scheduled surgery.
  • Has been administered systemic steroids within 5 half-lives or 10 days prior to administration of study drug.
  • Has initiated treatment with study medications within 1 month prior to study drug administration that can impact pain control.
  • Has taken any NSAIDs within least 10 days prior to the scheduled surgery.
  • Has current significant placental abnormality/complications including, but not limited to, placenta previa or placenta accreta.
  • Has a medical condition such that, in the opinion of the Investigator, participating in the study would pose a health risk to the subject or confound the postoperative assessments.
  • Has uncontrolled anxiety, psychiatric, or neurological disorder.
  • Had a malignancy in the last year, with the exception of nonmetastatic basal cell or squamous cell carcinoma of the skin or localized carcinoma in situ of the cervix.
  • Has a known or suspected history of drug abuse, a positive drug screen on the day of surgery, or a recent history of alcohol abuse.
  • Previously participated in an HTX-011 study.
  • Received an investigational product or device in a clinical trial within 30 days or within 5 elimination half-lives.
  • Weight is <50 kg at the time of Screening visit.
  • In the Investigator's judgment, subject is likely to have been morbidly obese prior to her pregnancy.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Treatment Group 2AcetaminophenA single dose of HTX-011 administered via instillation into the surgical site and a scheduled non-opioid multimodal analgesic (MMA) regimen.
Treatment Group 1HTX-011A single dose of HTX-011 administered via instillation into the surgical site.
Treatment Group 1Luer Lock ApplicatorA single dose of HTX-011 administered via instillation into the surgical site.
Treatment Group 2HTX-011A single dose of HTX-011 administered via instillation into the surgical site and a scheduled non-opioid multimodal analgesic (MMA) regimen.
Treatment Group 2Luer Lock ApplicatorA single dose of HTX-011 administered via instillation into the surgical site and a scheduled non-opioid multimodal analgesic (MMA) regimen.
Treatment Group 2IbuprofenA single dose of HTX-011 administered via instillation into the surgical site and a scheduled non-opioid multimodal analgesic (MMA) regimen.
Primary Outcome Measures
NameTimeMethod
Maximum plasma concentration (Cmax) of bupivacaine, meloxicam, dimethyl sulfoxide (DMSO) and HTX-011 polymerDay 1 to Day 16 for Cohort 1; Day 1 to Day 11 for Cohort 2
Half life (t1/2) in milk of bupivacaine, meloxicam, DMSO and HTX-011 polymerDay 1 to Day 16 for Cohort 1; Day 1 to Day 11 for Cohort 2
Amount of analyte excreted in breast milk over time (Ae)Day 1 to Day 16 for Cohort 1; Day 1 to Day 11 for Cohort 2
Fraction of dose excreted in breast milk over time (Fe)Day 1 to Day 16 for Cohort 1; Day 1 to Day 11 for Cohort 2
Time of maximum plasma concentration (Tmax) of bupivacaine, meloxicam, DMSO and HTX-011 polymerDay 1 to Day 16 for Cohort 1; Day 1 to Day 11 for Cohort 2
Half life (t1/2) in plasma of bupivacaine, meloxicam, DMSO and HTX-011 polymerDay 1 to Day 16 for Cohort 1; Day 1 to Day 11 for Cohort 2
Secondary Outcome Measures
NameTimeMethod
Mean area under the curve of the NRS pain scores through 72 hours (AUC0-72).72 hours
Incidence of treatment-emergent adverse events (TEAEs).28 Days.

Trial Locations

Locations (4)

Sharp Mary Birch Hospital for Women and Newborns

🇺🇸

San Diego, California, United States

UPMC Magee-Womens Hospital

🇺🇸

Pittsburgh, Pennsylvania, United States

Helen Keller Hospital

🇺🇸

Sheffield, Alabama, United States

Duke University Medical Center

🇺🇸

Durham, North Carolina, United States

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