Martha L. Velez , Krystle McConnell , Nancy Spencer , Lina M. Montoya , Lauren M. Jansson
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This pilot study presents a descriptive analysis of the neurobehavioral functioning among neonates exposed in utero to buprenorphine/naloxone, as well as maternal characteristics and factors present during their pregnancy.</div></div><div><h3>Methods</h3><div>Participants were pregnant parents receiving comprehensive treatment for opioid use disorder (OUD) and obstetric care, choosing buprenorphine/naloxone treatment with singleton, uncomplicated pregnancies. Participants provided confidential urine specimens for legal and illegal psychoactive substances according to protocol. Maternal psychiatric disorders and psychiatric medications as well as weekly dosing records were obtained for the duration of study participation. The NNNS was administered to 16 full-term neonates on days 3,14 and 30 of life.</div></div><div><h3>Results</h3><div>Mean summary scores for 12 neurobehavioral domains (attention, arousal, self-regulation, handling, quality of movement, excitability, lethargy, non-optimal reflexes, asymmetrical reflexes, hypertonia, hypotonia and stress/abstinence syndrome) are presented for neonates prenatally exposed to buprenorphine/naloxone at three time points during the first month of life. Several maternal factors that can influence the functioning of the neonate were presented in this sample including smoking cigarettes (94 %), a psychiatric diagnosis (87.5 %), positive urinalysis for legal or illegal substances during treatment (56.2 %).</div></div><div><h3>Conclusions</h3><div>This report provides preliminary information regarding the neurobehavioral functioning of neonates exposed to buprenorphine/naloxone over the first month of life, including consideration of maternal factors. However, future research with a larger sample and controlling for different neonate and maternal factors is necessary to confirm these preliminary findings.</div></div>","PeriodicalId":19144,"journal":{"name":"Neurotoxicology and teratology","volume":"106 ","pages":"Article 107400"},"PeriodicalIF":2.6000,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Prenatal buprenorphine/naloxone exposure and neonatal neurobehavioral functioning: A preliminary report\",\"authors\":\"Martha L. Velez , Krystle McConnell , Nancy Spencer , Lina M. Montoya , Lauren M. Jansson\",\"doi\":\"10.1016/j.ntt.2024.107400\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Introduction</h3><div>Although prescription of buprenorphine/naloxone during pregnancy is gaining acceptance, buprenorphine monotherapy is more often used due to the scarce knowledge of the effects of the combined medications on the fetus and neonate. Evaluation of neurobehavioral functioning of neonates prenatally exposed to buprenorphine/naloxone is lacking. The NICU Network Neurobehavioral Scale (NNNS) has been used to evaluate neurobehavioral functioning, stress responses, and regulatory capacities of neonates at risk for altered development due to prenatal stressors. This pilot study presents a descriptive analysis of the neurobehavioral functioning among neonates exposed in utero to buprenorphine/naloxone, as well as maternal characteristics and factors present during their pregnancy.</div></div><div><h3>Methods</h3><div>Participants were pregnant parents receiving comprehensive treatment for opioid use disorder (OUD) and obstetric care, choosing buprenorphine/naloxone treatment with singleton, uncomplicated pregnancies. Participants provided confidential urine specimens for legal and illegal psychoactive substances according to protocol. Maternal psychiatric disorders and psychiatric medications as well as weekly dosing records were obtained for the duration of study participation. The NNNS was administered to 16 full-term neonates on days 3,14 and 30 of life.</div></div><div><h3>Results</h3><div>Mean summary scores for 12 neurobehavioral domains (attention, arousal, self-regulation, handling, quality of movement, excitability, lethargy, non-optimal reflexes, asymmetrical reflexes, hypertonia, hypotonia and stress/abstinence syndrome) are presented for neonates prenatally exposed to buprenorphine/naloxone at three time points during the first month of life. Several maternal factors that can influence the functioning of the neonate were presented in this sample including smoking cigarettes (94 %), a psychiatric diagnosis (87.5 %), positive urinalysis for legal or illegal substances during treatment (56.2 %).</div></div><div><h3>Conclusions</h3><div>This report provides preliminary information regarding the neurobehavioral functioning of neonates exposed to buprenorphine/naloxone over the first month of life, including consideration of maternal factors. 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Prenatal buprenorphine/naloxone exposure and neonatal neurobehavioral functioning: A preliminary report
Introduction
Although prescription of buprenorphine/naloxone during pregnancy is gaining acceptance, buprenorphine monotherapy is more often used due to the scarce knowledge of the effects of the combined medications on the fetus and neonate. Evaluation of neurobehavioral functioning of neonates prenatally exposed to buprenorphine/naloxone is lacking. The NICU Network Neurobehavioral Scale (NNNS) has been used to evaluate neurobehavioral functioning, stress responses, and regulatory capacities of neonates at risk for altered development due to prenatal stressors. This pilot study presents a descriptive analysis of the neurobehavioral functioning among neonates exposed in utero to buprenorphine/naloxone, as well as maternal characteristics and factors present during their pregnancy.
Methods
Participants were pregnant parents receiving comprehensive treatment for opioid use disorder (OUD) and obstetric care, choosing buprenorphine/naloxone treatment with singleton, uncomplicated pregnancies. Participants provided confidential urine specimens for legal and illegal psychoactive substances according to protocol. Maternal psychiatric disorders and psychiatric medications as well as weekly dosing records were obtained for the duration of study participation. The NNNS was administered to 16 full-term neonates on days 3,14 and 30 of life.
Results
Mean summary scores for 12 neurobehavioral domains (attention, arousal, self-regulation, handling, quality of movement, excitability, lethargy, non-optimal reflexes, asymmetrical reflexes, hypertonia, hypotonia and stress/abstinence syndrome) are presented for neonates prenatally exposed to buprenorphine/naloxone at three time points during the first month of life. Several maternal factors that can influence the functioning of the neonate were presented in this sample including smoking cigarettes (94 %), a psychiatric diagnosis (87.5 %), positive urinalysis for legal or illegal substances during treatment (56.2 %).
Conclusions
This report provides preliminary information regarding the neurobehavioral functioning of neonates exposed to buprenorphine/naloxone over the first month of life, including consideration of maternal factors. However, future research with a larger sample and controlling for different neonate and maternal factors is necessary to confirm these preliminary findings.
期刊介绍：
Neurotoxicology and Teratology provides a forum for publishing new information regarding the effects of chemical and physical agents on the developing, adult or aging nervous system. In this context, the fields of neurotoxicology and teratology include studies of agent-induced alterations of nervous system function, with a focus on behavioral outcomes and their underlying physiological and neurochemical mechanisms. The Journal publishes original, peer-reviewed Research Reports of experimental, clinical, and epidemiological studies that address the neurotoxicity and/or functional teratology of pesticides, solvents, heavy metals, nanomaterials, organometals, industrial compounds, mixtures, drugs of abuse, pharmaceuticals, animal and plant toxins, atmospheric reaction products, and physical agents such as radiation and noise. These reports include traditional mammalian neurotoxicology experiments, human studies, studies using non-mammalian animal models, and mechanistic studies in vivo or in vitro. Special Issues, Reviews, Commentaries, Meeting Reports, and Symposium Papers provide timely updates on areas that have reached a critical point of synthesis, on aspects of a scientific field undergoing rapid change, or on areas that present special methodological or interpretive problems. Theoretical Articles address concepts and potential mechanisms underlying actions of agents of interest in the nervous system. The Journal also publishes Brief Communications that concisely describe a new method, technique, apparatus, or experimental result.
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