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High Risk Pregnant WomenPhase 3HOPPENCT01388322

Low Weight Heparin prOphylaxis for Placental-Mediated Complications of PrEgnancy

A Phase 3 study testing Enoxaparin in people with High Risk Pregnant Women and Placental Insufficiency, run by Hospital Universitari Vall d'Hebron Research Institute at 4 sites in Spain.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is a Multicenter, randomized, open-label, parallel groups study to test the hypothesis that prophylactic low molecular weight heparin (LMWH) (enoxaparin) initiated before 14 weeks of gestation could improve maternal and perinatal outcome in women at high risk for developing placental-mediated pregnancy… Read more about this study

Who is it for?
Ages 18 years and older, women only
What is being tested?
Enoxaparin
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
361 participants
Where
4 sitesSpain
Study dates
Mar 2012to Dec 2016
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Pregnant women ≥18 years
  • Gestational age < 14 weeks at randomisation
  • One or more of the following complications in a previous pregnancy:
  • Severe PE resulting in delivery before 32 weeks of gestation
  • Newborn weight less than the 10th percentile and documented abnormal Doppler in the umbilical artery during pregnancy before 32 weeks gestation
  • Abruption of placenta
  • Unexplained intrauterine death between 20-41,6 weeks of gestation secondary of placental insufficiency or
  • Uterine arteries Pulsatility Index (mPI) Doppler ≥95th percentile at 11-14 weeks of gestation.

Who cannot join

  • Multiple pregnancy
  • Abnormal thrombophilia study
  • Alcohol or illicit drug use
  • Severe fetal malformations or chromosomal abnormalities
  • Previous history of infertility ( 3 or more early miscarriages)
  • Maternal HIV, Cytomegalovirus or toxoplasma infection
Show all 13Show fewer
  • Known fetal abnormality or chromosomal defect at randomisation
  • Women with previous venous or arterial thrombotic event
  • Organic lesions that could increase the hemorrhagic risk: gastric ulcus, stroke, a recent hemorrhagic event, high risk situations for hemorrhagic event
  • Known allergy to heparin or LMWH, thrombopenia or thrombosis episode due to heparin treatment
  • Contraindication to LMWH
  • An absolute indication for anticoagulant therapy: venous deep thrombosis, pulmonary embolism, ovaric hyperestimulation, cardiophaty, others
  • Metabolic disorders a risk for development of PE and/or IUGR: Type I diabetes, hipertiroidism, chronic renal insufficiency

Trial locations and contacts

4 sites in 1 country.

Spain4 sites
  • Hospital de Cruces

    Barakaldo, Vizcaya, 48903

  • Hospital Universitario Vall d'Hebron

    Barcelona, Barcelona, 08035

  • Hospital Sant Joan de Deu

    Esplugues de Llobregat, Barcelona, 08950

  • Parc sanitari Sant Joan de Deu

    Sant Boi de Llobregat, Barcelona, 08830

Other trials in Spain

About this study

Official title: Enoxaparin for the Prevention of Placental-Mediated Complications of Pregnancy in Women With Obstetric History or Abnormal Uterine Artery Doppler at First Trimester Ultrasound and Without Thrombophilia: a Multicenter Randomized Controlled Trial

This is a Multicenter, randomized, open-label, parallel groups study to test the hypothesis that prophylactic low molecular weight heparin (LMWH) (enoxaparin) initiated before 14 weeks of gestation could improve maternal and perinatal outcome in women at high risk for developing placental-mediated pregnancy complications.

Being tested
Enoxaparin
Keywords
Pregnancy, Preeclampsia, Placental insufficiency
Medical subject headings
Placental Insufficiency, Pre-Eclampsia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • EnoxaparinDrug

    40 mg (4000 IU) women <80 kg at the time of randomization or 60 mg (6000 IU) women> 80 kg at the time of randomization One dose daily. Subcutaneous administration. Treatment periods: the same day of the Initiation visit (from 9 to 13.6 weeks of gestation) until 36 weeks gestation.

Study groups in NCT01388322
Study groupRoleWhat they receive
EnoxaparinExperimentalSubcutaneous administration of one dose daily of enoxaparin
Receives: Drug: Enoxaparin
expectant managementNo interventionUsual management

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Development of any of these complications of placental insufficiency

    Development of any of these complications of placental insufficiency: preeclampsia, intrauterine growth restriction, abruption placentae, and/or intrauterine fetal demise

    Measured: from date of randomization until the date of delivery (assessed up to 30 weeks)

Secondary outcomes (4)
  1. Gestational age at birth

    Gestational age at birth

    Measured: from date of randomization until the date of delivery (assessed up to 30 weeks)

  2. Days of hospitalization during pregnancy

    Days of hospitalization during pregnancy

    Measured: from randomization to the time of delivery (30 weeks)

  3. Days of maternal hospitalization in the postpartum period

    Days of maternal hospitalization in the postpartum period

    Measured: from delivery until discharge (an expected average of one week)

  4. Neonatal Data

    weight, height, head circumference, Apgar score 1-5 min, arterial pH, venous base excess (BE) of umbilical cord gases, and complications

    Measured: after the delivery (an expected average of one month)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Jul 2011 (estimated)
  2. Study startMar 2012
  3. Primary completionJun 2016
  4. Study completionDec 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
361 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01388322
Sponsor's protocol ID
HOPPE-Trial
Other IDs
2010-023597-39
Acronym
HOPPE
Status last verified
Dec 2016
First submitted
28 Jun 2011
Last updated
21 Dec 2016
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Enoxaparin in people with High Risk Pregnant Women and Placental Insufficiency, run by Hospital Universitari Vall d'Hebron Research Institute at 4 sites in Spain.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 21 Dec 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 sites in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Development of any of these complications of placental insufficiency (time frame: from date of randomization until the date of delivery (assessed up to 30 weeks)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Dec 2016.

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