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NCT04635839 · ClinicalTrials.gov registry record · Phase 4

Heparin Prophylaxis Dosing for Antepartum Hospitalizations (HEPDOSE)

A Phase 4 study, sponsored by University of California, Los Angeles.

Completed
Registry status
Phase 4
Development phase
46
Enrollment target

NCT04635839: Completed Phase 4 study, sponsored by University of California, Los Angeles.

NCT04635839 is a Phase 4 study that has completed, run by University of California, Los Angeles. The registered enrollment target is 46 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (91% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04635839, a Phase 4 study, has completed, sponsored by University of California, Los Angeles.

COMPLETED
Registry status
Phase 4
Development phase
46 participants
Enrollment target

Study Summary

This study is a randomized control trial to compare gestational age-based dosing with standard dosing of unfractionated heparin for thromboprophylaxis of hospitalized antepartum patients. The investigators aim to determine the effect of dosing on receipt of neuraxial anesthesia and pregnancy outcomes and evaluate the pharmacokinetics and pharmacodynamics of unfractionated heparin in pregnancy.

Primary Outcome

Surrogate marker for whether or not the patient would be eligible for neuraxial anesthesia based on guidelines for neuraxial anesthesia in pregnant women receiving VTE prophylaxis

Interventions

  • DRUG Standard Dose of Unfractionated Heparin
  • DRUG Gestational Age-Based Dose of Unfractionated Heparin

Trial Details

FieldValue
Enrollment Target 46 participants
Start Date 2020-12-15
Est. Completion 2022-05-01
Phase Phase 4

What the finished NCT04635839 record still lists

NCT04635839 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 46 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (91% lower).

The record links to 0 conditions, and to 2 interventions - of which Standard Dose of Unfractionated Heparin is the first listed.

NCT04635839 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04635839 about?

NCT04635839 is a clinical study titled "Heparin Prophylaxis Dosing for Antepartum Hospitalizations (HEPDOSE)". This study is a randomized control trial to compare gestational age-based dosing with standard dosing of unfractionated heparin for thromboprophylaxis of hospitalized antepartum patients. The investigators aim to determine the effect of dosing on receipt of neuraxial anesthesia and pregnancy outcome...

What is the current status of trial NCT04635839?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 46 participants. The study started on 2020-12-15. Estimated completion is 2022-05-01.

What interventions are being tested in trial NCT04635839?

The interventions under investigation include: Standard Dose of Unfractionated Heparin (DRUG), Gestational Age-Based Dose of Unfractionated Heparin (DRUG).

Who is sponsoring clinical trial NCT04635839?

This trial is sponsored by University of California, Los Angeles, which has 897 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04635839's enrollment target sits among peer trials

46 1348th of 2000 higher than 647 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 NCT04635839, the US trial registry maintained by the National Library of Medicine. NCT04635839 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.