ED90 of Epidural Bupivacaine With Lidocaine for the Initiation of Labor Analgesia

Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexFemale
Age18-50
SponsorBrigham and Women's Hospital

About this trial

To estimate the dose of bupivacaine required to achieve initial effective comfort in 90% of patients (ED90) via the epidural (DPE or EPL) technique in women undergoing labor after receiving a lidocaine "test dose"

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Parturient with no major co-morbidities

Singleton, vertex gestation at term (37-42 weeks)

Less than or equal to 5 cm dilation

Desire to receive epidural labor analgesia

Disqualifiers

Current or historical evidence of clinically significant disease or condition, including diseases of pregnancy (i.e preeclampsia, gestational diabetes)

Any contraindication to the administration of an epidural technique

History of hypersensitivity or idiosyncratic reaction to an amide local anesthetic agent

Current or historical evidence of a disease which may result in the risk of a cesarean delivery (i.e. history of uterine rupture). NB: Exception-trial of labor after cesarean delivery (TOLAC) will be eligible.

Trial design

Design model

Parallel

Treatments tested in this trial

  • Bupivacaine Hydrochloride

    Drug

    Subjects will receive a dose of bupivacaine as described in the arm section of this trial

Treatment groups

120 Participants
are divided into 2 treatment groups
Group A: Dural Puncture Epidural TechniqueExperimental treatment 1 intervention
Group B: Epidural TechniqueActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Verbal Numerical Pain Rating Score

(0-10, with higher scores meaning more pain); goal with analgesia is \< 3/10

Time frame
30 minutes

Secondary outcomes

Other outcomes

Sponsors and contacts

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