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Maternal Buprenorphine-naloxone Treatment and the Infant

Maternal Buprenorphine-naloxone Treatment During the Perinatal Period: Fetal and Infant Effects

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03291847
Enrollment
42
Registered
2017-09-25
Start date
2018-06-01
Completion date
2023-12-15
Last updated
2024-02-26

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

Conditions

Maternal Opioid Use Disorder, Opioid Exposed Infant

Keywords

maternal opioid use, neonatal abstinence syndrome, buprenorphine-naloxone

Brief summary

The purpose of this mechanistic study is to evaluate the effects that maternal buprenorphine-naloxone maintenance have on the neurobehavioral development of the fetus and infant. To accomplish this, the investigators will study a sample of 120 opioid dependent pregnant women that will receive buprenorphine-naloxone as part of substance abuse treatment at a comprehensive care treatment facility for pregnant and parenting women with substance use disorders. Fetal neurobehavior and maternal physiology will be assessed, via an established maternal-fetal data acquisition system, at 4 points during gestation: 24, 28, 32 and 36 weeks. Infant birth parameters and Neonatal Abstinence Syndrome (NAS) spectrum display will be evaluated at birth, and infant neurodevelopment will be assessed during the first month of life.

Detailed description

The project population will be 40 pregnant women with opioid use disorder inducted as outpatients to buprenorphine-naloxone maintenance. Subject treatment data, including medical and obstetric histories, drug use histories, demographic information and psychosocial information will be extracted from patient charts. Weekly urine toxicology testing will provide information regarding other substance use/misuse during the time of study participation. Study participants will undergo 2 60 minute maternal and fetal neurophysiologic monitoring sessions on one day at 4 points during gestation: 24, 28, 32 and 36 weeks, at times of trough (just before sublingual buprenorphine-naloxone or methadone daily dose) and peak (2 1/2 hours after dosing) maternal drug levels. Fetal cardiac (heart rate, heart rate variability, heart rate accelerations) and movement (total fetal movement, number and duration of movement bouts) and the correlation between the two (fetal heart rate-movement coupling) will be determined. Maternal physiologic measures will include heart period and variability, vagal tone, skin conductance and respiratory data. All maternal and fetal measures, with the exception of blood pressure, will be computed in 1-minute intervals and averaged over the 60 min recording. Infant birth data and birth parameters, and neonatal abstinence syndrome scores will be extracted from patient charts. Infants will undergo neurobehavioral testing using the Neonatal Intensive Care Unit (NICU) Network Neurobehavioral Scale, a 30 minute harmless assessment of infant functioning, on days 3, 14 and 30 of life.

Interventions

DEVICEfetal monitoring

Maternal fetal monitoring

Treatment for opioid use disorder

Sponsors

National Institute on Drug Abuse (NIDA)
CollaboratorNIH
Johns Hopkins University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE

Intervention model description

A group of n=40 study participants will receive buprenorphine-naloxone medication assisted therapy for the treatment of opioid use disorder during pregnancy. This group will undergo fetal monitoring at 24, 28, 32 and 36 weeks of gestation.

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 44 Years
Healthy volunteers
No

Inclusion criteria

* Current opioid use disorder (OUD) as defined by DSM V criteria * singleton pregnancies, generally uncomplicated by conditions that jeopardize pregnancy outcome * Gestation less than 24 weeks

Exclusion criteria

* Complications of pregnancy, including gestational diabetes, polyhydramnios, hypertension, placenta previa or significant risk of preterm delivery; * Evidence of fetal malformation detected by prenatal ultrasound; * Significant general maternal health problems that can affect fetal functioning, including Type I or gestational diabetes, alterations in thyroid functioning, HIV infection or hypertension; * Significant maternal psychopathology that would preclude informed consent; * Alcohol use disorder per DSM V criteria (see ascertainment methods below) * Women stable on methadone maintenance (defined as more than 3 consecutive days of dosing) * Women coming to treatment reporting street methadone use (for more than 3 consecutive days * Women not planning to receive obstetric care at the Center for Addiction and Pregnancy; - Women not planning to deliver their infants at Johns Hopkins Bayview Medical center * Women planning for adoption of their infant.

Design outcomes

Primary

MeasureTime frameDescription
Fetal Heart Rate at 24 Weeks24 weeks of gestationFetal heart rate in beats per minute, mean over 60 minutes gestation. Fetal heart rate in msec at 24 weeks of gestation at times of peak maternal plasma drug concentrations
Fetal Heart Rate at 28 Weeks Gestation28 weeks of gestationFetal heart rate in beats per minute, mean over 60 minutes gestation. Fetal heart rate at 28 weeks of gestation at times of tpeak maternal plasma drug concentrations.
Fetal Heart Rate at 32 Weeks Gestation32 weeks of gestationFetal heart rate in beats per minute, mean over 60 minutes. Fetal heart rate at 32 weeks of gestation at times of peak maternal plasma drug concentrations
Fetal Heart Rate at 36 Weeks Gestation36 weeks of gestationFetal heart rate in beats per minute, mean over 60 minutes. Fetal heart rate at 36 weeks of gestation at times of peak maternal plasma drug concentrations.
Total Fetal Movement at 24 Weeks Gestation24 weeks of gestationTotal fetal movement at 24 weeks of gestation. Total number of fetal moves over 60 minutes via fetal monitoring at time of peak maternal plasma drug concentrations at 24 weeks of gestation.
Total Fetal Movement at 36 Weeks Gestation36 weeks of gestationTotal fetal movement over 60 minutes via fetal monitoring at 36 weeks of gestation. Nimber of fetal movements over 60 minutes via fetal monitoring at times of peak maternal plasma drug concentrations at 36 weeks of gestation.
Total Fetal Movement at 28 Weeks Gestation28 weeks of gestationTotal fetal movement over 60 minutes via fetal monitoring. Total fetal movement over 60 minutes via fetal monitoring at times of trough and peak maternal plasma drug concentrations at 28 weeks of gestation.
Total Fetal Movement at 32 Weeks Gestation32 weeks of gestationTotal fetal movement over 60 minutes via fetal monitoring at 32 weeks of gestation. Number of fetal moves over 60 minutes via fetal monitoring at times of peak maternal plasma drug concentrations at 32 weeks of gestation.

Countries

United States

Participant flow

Participants by arm

ArmCount
Buprenorphine-naloxone Treated
Participants receiving buprenorphine-naloxone treatment for opioid use disorder during pregnancy fetal monitoring: Maternal fetal monitoring Buprenorphine Naloxone: Treatment for opioid use disorder
26
Total26

Baseline characteristics

CharacteristicBuprenorphine-naloxone Treated
Age, Continuous29.6 years
STANDARD_DEVIATION 4.7
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
25 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
9 Participants
Race (NIH/OMB)
More than one race
0 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
17 Participants
Region of Enrollment
United States
26 Participants
Sex: Female, Male
Female
26 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 26
other
Total, other adverse events
0 / 26
serious
Total, serious adverse events
3 / 26

Outcome results

Primary

Fetal Heart Rate at 24 Weeks

Fetal heart rate in beats per minute, mean over 60 minutes gestation. Fetal heart rate in msec at 24 weeks of gestation at times of peak maternal plasma drug concentrations

Time frame: 24 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedFetal Heart Rate at 24 Weeks143.64 beats per minuteStandard Deviation 4.38
Primary

Fetal Heart Rate at 28 Weeks Gestation

Fetal heart rate in beats per minute, mean over 60 minutes gestation. Fetal heart rate at 28 weeks of gestation at times of tpeak maternal plasma drug concentrations.

Time frame: 28 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedFetal Heart Rate at 28 Weeks Gestation139.14 beats per minuteStandard Deviation 3.93
Primary

Fetal Heart Rate at 32 Weeks Gestation

Fetal heart rate in beats per minute, mean over 60 minutes. Fetal heart rate at 32 weeks of gestation at times of peak maternal plasma drug concentrations

Time frame: 32 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedFetal Heart Rate at 32 Weeks Gestation135.82 beats per minuteStandard Deviation 146.83
Primary

Fetal Heart Rate at 36 Weeks Gestation

Fetal heart rate in beats per minute, mean over 60 minutes. Fetal heart rate at 36 weeks of gestation at times of peak maternal plasma drug concentrations.

Time frame: 36 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedFetal Heart Rate at 36 Weeks Gestation131.99 beats per minuteStandard Deviation 5.52
Primary

Total Fetal Movement at 24 Weeks Gestation

Total fetal movement at 24 weeks of gestation. Total number of fetal moves over 60 minutes via fetal monitoring at time of peak maternal plasma drug concentrations at 24 weeks of gestation.

Time frame: 24 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedTotal Fetal Movement at 24 Weeks Gestation71.91 fetal movementsStandard Deviation 13.8
Primary

Total Fetal Movement at 28 Weeks Gestation

Total fetal movement over 60 minutes via fetal monitoring. Total fetal movement over 60 minutes via fetal monitoring at times of trough and peak maternal plasma drug concentrations at 28 weeks of gestation.

Time frame: 28 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedTotal Fetal Movement at 28 Weeks Gestation70.06 fetal movementsStandard Deviation 12.13
Primary

Total Fetal Movement at 32 Weeks Gestation

Total fetal movement over 60 minutes via fetal monitoring at 32 weeks of gestation. Number of fetal moves over 60 minutes via fetal monitoring at times of peak maternal plasma drug concentrations at 32 weeks of gestation.

Time frame: 32 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedTotal Fetal Movement at 32 Weeks Gestation66.00 fetal movementsStandard Deviation 19.13
Primary

Total Fetal Movement at 36 Weeks Gestation

Total fetal movement over 60 minutes via fetal monitoring at 36 weeks of gestation. Nimber of fetal movements over 60 minutes via fetal monitoring at times of peak maternal plasma drug concentrations at 36 weeks of gestation.

Time frame: 36 weeks of gestation

Population: Fetal monitoring performed for all participants enrolled in the study at that gestational age who met criteria for monitoring

ArmMeasureValue (MEAN)Dispersion
Buprenorphine-naloxone TreatedTotal Fetal Movement at 36 Weeks Gestation59.07 fetal movementsStandard Deviation 17.17

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026