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Study of the Efficacy and Safety of AMAG-423 (Digoxin Immune Fab) in Antepartum Subjects With Severe Preeclampsia

A Phase 2b/3a, Multi-Center, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study of the Efficacy and Safety of AMAG-423, a Digoxin Immune Fab, in Antepartum Subjects With Severe Preeclampsia

Status
Terminated
Phases
Phase 2Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03008616
Enrollment
58
Registered
2017-01-02
Start date
2017-04-12
Completion date
2020-08-13
Last updated
2026-05-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Severe Preeclampsia

Brief summary

This study evaluates the use of AMAG-423 (Digoxin Immune Fab) in addition to expectant management in the treatment of severe preeclampsia as compared to placebo.

Interventions

BIOLOGICALAMAG-423 (digoxin immune fab)

AMAG-423 (digoxin immune fab) 3.2 mg/kg, 30 minute IV infusion, every 6 hours x 4 days

OTHERPlacebo

Normal saline, 30 minute IV infusion, every 6 hours x 4 days

Sponsors

AMAG Pharmaceuticals, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Fetal gestational age 23 0/7 to 31 6/7 weeks * Treated with expectant management * Meets modified ACOG criteria for severe preeclampsia * Willing and able to provide written, informed consent

Exclusion criteria

* Decision to deliver within 24 hours has been made * Weight \> 150 kg * Eclampsia * Significant antecedent obstetrical problems * Clinically significant fetal anomaly or chromosomal abnormalities * Chronic renal disease * Active hepatic disease, antiphospholipid antibody syndrome, or lupus * Unstable medical or psychiatric disorder * Need for use of digitalis like products * History of anaphylactic allergic reactions * Prior use of antibodies/fab fragments from sheep * Serum creatinine ≥ 2.0 mg/dL * Platelet count \< 50,000 * Pulmonary edema * Estimated fetal weight \< 5th percentile

Design outcomes

Primary

MeasureTime frameDescription
Proportion of Infants Who Have Severe IVH, NEC, or Death by 36 Weeks Corrected Gestational Age36 weeks corrected gestational ageProportion of infants who have severe IVH, NEC, or death by 36 weeks corrected gestational age

Secondary

MeasureTime frameDescription
Change From Baseline in Serum CreatinineFrom treatment initiation to 24 hours post first doseMaternal change from baseline in serum creatinine to 24 hours post first dose
Incidence of Pulmonary EdemaFrom treatment initiation until completion of treatment phase (up to 4 days)Maternal incidence of pulmonary edema during the treatment period

Countries

Poland, South Africa, United States

Baseline characteristics

Characteristic
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
58 Participants
Age, Continuous29.0 years
STANDARD_DEVIATION 6.59
Ethnicity (NIH/OMB)
Hispanic or Latino
5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
25 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Fetal Gestational Age at Consent
<= 27 weeks 6/7 days
11 weeks
Fetal Gestational Age at Consent
> 27 weeks 6/7 days
36 weeks
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
10 Participants
Race (NIH/OMB)
More than one race
1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
18 Participants
Sex: Female, Male
Female
30 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 280 / 29
other
Total, other adverse events
0 / 280 / 29
serious
Total, serious adverse events
15 / 288 / 29

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 23, 2026