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NCT02573597 · ClinicalTrials.gov registry record · Phase 4

PIEB vs CEI for Labor Analgesia: An MLAC Study

A Phase 4 study, sponsored by Stanford University.

Terminated
Registry status
Phase 4
Development phase
31
Enrollment target

NCT02573597: Clinical Trial Phase 4 study, sponsored by Stanford University.

NCT02573597 is a Phase 4 study that was terminated before completion, run by Stanford University. The registered enrollment target is 31 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT02573597, a Phase 4 study, was terminated before completion, sponsored by Stanford University.

TERMINATED
Registry status
Phase 4
Development phase
31 participants
Enrollment target

Study Summary

Utilizing a 'minimal local analgesic concentration (MLAC) study' design to first determine the relative potency of Programmed Intermittent Epidural Bolus (PIEB) compared to Continuous Epidural Infusion (CEI) and secondly to determine the mechanism to explain the potential PIEB efficacy advantage.

Primary Outcome

The mean concentration of Bupivacaine in patients who have success or failure outcome were compared between groups.

Interventions

  • DRUG Bupivacaine
  • DRUG Sufentanil

Trial Details

FieldValue
Enrollment Target 31 participants
Start Date 2015-10
Est. Completion 2018-05-22
Phase Phase 4
Stanford University

1,744 total trials

Why NCT02573597 stopped before completion

NCT02573597 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 31 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (94% lower).

The record links to 0 conditions, and to 2 interventions - of which Bupivacaine is the first listed.

NCT02573597 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02573597 about?

NCT02573597 is a clinical study titled "PIEB vs CEI for Labor Analgesia: An MLAC Study". Utilizing a 'minimal local analgesic concentration (MLAC) study' design to first determine the relative potency of Programmed Intermittent Epidural Bolus (PIEB) compared to Continuous Epidural Infusion (CEI) and secondly to determine the mechanism to explain the potential PIEB efficacy advantage.

What is the current status of trial NCT02573597?

This trial is currently terminated. It is a Phase 4 study. The enrollment target is 31 participants. The study started on 2015-10. Estimated completion is 2018-05-22.

What interventions are being tested in trial NCT02573597?

The interventions under investigation include: Bupivacaine (DRUG), Sufentanil (DRUG).

Who is sponsoring clinical trial NCT02573597?

This trial is sponsored by Stanford University, which has 1,744 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02573597's enrollment target sits among peer trials

31 1544th of 2000 higher than 449 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT02573597, the US trial registry maintained by the National Library of Medicine. NCT02573597 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.