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Meador KJ, Pennell PB, May RC, Van Marter L, McElrath TF, Brown C, Gerard E, Kalayjian L, Gedzelman E, Penovich P, Cavitt J, French J, Hwang S, Pack AM, Sam M, Birnbaum AK, Finnell R. Fetal loss and malformations in the MONEAD study of pregnant women with epilepsy. Neurology 2020; 94:e1502-e1511. [PMID: 31806691 PMCID: PMC7251524 DOI: 10.1212/wnl.0000000000008687] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 10/11/2019] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To examine occurrence of severe adverse fetal outcomes (SAO), including fetal loss and major congenital malformations (MCMs), in pregnant women with epilepsy (PWWE) vs healthy pregnant women (HPW). METHODS The Maternal Outcomes and Neurodevelopmental Effects of Antiepileptic Drugs (MONEAD) study is an NIH-funded, prospective, observational, multicenter investigation of pregnancy outcomes for both mother and child, which enrolled women December 2012 through January 2016. RESULTS The 351 PWWE had 365 conceptions, and 105 HPW had 109 conceptions. SAOs occurred more often in PWWE (7.9%) vs HPW (1.9%) (p = 0.025) with odds ratio (OR) 4.45 (95% confidence intervals [CI] 1.04-19.01). There were no significant differences for fetal loss (2.8% vs 0%, p = 0.126) or MCMs (5.2% vs 1.9%, p = 0.185; OR 2.86, 95% CI 0.65-12.53) individually. No fetal losses in PWWE appeared to be related to acute seizures. Outcomes were not affected by periconceptional folate, unplanned/unwanted pregnancies, prior maternal pregnancy history, or antiepileptic drug (AED) blood levels, except for an AED level effect for fetal loss that appeared to be due to polytherapy. Combined maternal or paternal family history of MCM was marginally associated with increased SAOs (p = 0.046). CONCLUSIONS The findings provide additional information on risks of SAOs in PWWE, assessing effects of both AED levels and periconceptional folate. Group differences in average enrollment gestational age could have affected fetal loss results. Analyses are limited by small sample sizes as the MONEAD study was not powered for these secondary outcomes. The large majority of pregnancies in women with epilepsy do not have SOAs.
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Affiliation(s)
- Kimford J Meador
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX.
| | - Page B Pennell
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Ryan C May
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Linda Van Marter
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Thomas F McElrath
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Carrie Brown
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Elizabeth Gerard
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Laura Kalayjian
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Evan Gedzelman
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Patricia Penovich
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Jennifer Cavitt
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Jacqueline French
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Sean Hwang
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Alison M Pack
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Maria Sam
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Angela K Birnbaum
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
| | - Richard Finnell
- From Stanford University (K.J.M.), CA; Brigham & Women's Hospital (P.B.P., L.V.M., T.F.M.), Harvard Medical School, Boston, MA; Emmes (R.C.M., C.B.), Rockville, MD; Northwestern University (E.G.), Evanston, IL; University of Southern California (L.K.), Los Angeles; Emory University (E.G.), Atlanta, GA; Minnesota Epilepsy Group (P.P.), St. Paul; University of Cincinnati (J.C.), OH; New York University (J.F.); Northwell Heath (S.H.); Columbia University (A.M.P.), New York, NY; Wake Forest University (M.S.), Winston-Salem, NC; University of Minnesota (A.K.B.), Minneapolis; and Baylor College of Medicine (R.F.), Houston, TX
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Hasegawa N, Furugen A, Ono K, Koishikawa M, Miyazawa Y, Nishimura A, Umazume T, Narumi K, Kobayashi M, Iseki K. Cellular uptake properties of lamotrigine in human placental cell lines: Investigation of involvement of organic cation transporters (SLC22A1-5). Drug Metab Pharmacokinet 2020; 35:266-273. [PMID: 32303459 DOI: 10.1016/j.dmpk.2020.01.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/07/2020] [Accepted: 01/26/2020] [Indexed: 01/11/2023]
Abstract
Lamotrigine (LTG) is an important antiepileptic drug for the treatment of seizures in pregnant women with epilepsy. However, it is not known if the transport of LTG into placental cells occurs via a carrier-mediated pathway. The aim of this study was to investigate the uptake properties of LTG into placental cell lines (BeWo and JEG-3), and to determine the involvement of organic cation transporters (OCTs, SLC22A1-3) and organic cation/carnitine transporter (OCTNs, SLC22A4-5) in the uptake process. The uptake of LTG at 37 °C was higher than that at 4 °C. OCT1 and OCTNs were detected in both cell lines. The uptake of LTG was not greatly affected by the extracellular pH, Na+-free conditions, or the presence of l-carnitine, suggesting that OCTNs were not involved. Although several potent inhibitors of OCTs (chloroquine, imipramine, quinidine, and verapamil) inhibited LTG uptake, other typical inhibitors had no effect. In addition, siRNA targeted to OCT1 had no significant effect on LTG uptake. The mRNA expression in human term placenta followed the order OCTN2 > OCT3 > OCTN1 > OCT1 ≈ OCT2. These observations suggested that LTG uptake into placental cells was carrier-mediated, but that OCTs and OCTNs were not responsible for the placental transport process.
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Affiliation(s)
- Nami Hasegawa
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan
| | - Ayako Furugen
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan
| | - Kanako Ono
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan
| | - Mai Koishikawa
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan
| | - Yuki Miyazawa
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan
| | - Ayako Nishimura
- Department of Pharmacy, Hokkaido University Hospital, Sapporo, Japan
| | - Takeshi Umazume
- Department of Obstetrics, Hokkaido University Hospital, Sapporo, Japan
| | - Katsuya Narumi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan
| | - Masaki Kobayashi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan.
| | - Ken Iseki
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Japan.
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Meador KJ, Pennell PB, May RC, Brown CA, Baker G, Bromley R, Loring DW, Cohen MJ. Effects of periconceptional folate on cognition in children of women with epilepsy: NEAD study. Neurology 2019; 94:e729-e740. [PMID: 31871217 DOI: 10.1212/wnl.0000000000008757] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 08/21/2019] [Indexed: 01/24/2023] Open
Abstract
OBJECTIVE Emerging evidence suggests potential positive neuropsychological effects of periconceptional folate in both healthy children and children exposed in utero to antiseizure medications (ASMs). In this report, we test the hypothesis that periconceptional folate improves neurodevelopment in children of women with epilepsy by re-examining data from the Neurodevelopmental Effects of Antiepileptic Drugs (NEAD) study. METHODS The NEAD study was an NIH-funded, prospective, observational, multicenter investigation of pregnancy outcomes in 311 children of 305 women with epilepsy treated with ASM monotherapy. Missing data points were imputed with Markov chain Monte Carlo methods. Multivariate analyses adjusted for multiple factors (e.g., maternal IQ, ASM type, standardized ASM dose, and gestational birth age) were performed to assess the effects of periconceptional folate on cognitive outcomes (i.e., Full Scale Intelligence Quotient [FSIQ], Verbal and Nonverbal indexes, and Expressive and Receptive Language indexes at 3 and 6 years of age, and executive function and memory function at 6 years of age). RESULTS Periconceptional folate was associated with higher FSIQ at both 3 and 6 years of age. Significant effects for other measures included Nonverbal Index, Expressive Language Index, and Developmental Neuropsychological Assessment Executive Function at 6 years of age, and Verbal Index and Receptive Language Index at 3 years of age. Nonsignificant effects included Verbal Index, Receptive Index, Behavior Rating Inventory of Executive Function-Parent Questionnaire Executive Function, and General Memory Index at 6 years of age, and Nonverbal Index and Expressive Index at 3 years of age. CONCLUSIONS Use of periconceptional folate in pregnant women with epilepsy taking ASMs is associated with better cognitive development. CLINICALTRIALSGOV IDENTIFIER NCT00021866.
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Affiliation(s)
- Kimford J Meador
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA.
| | - Page B Pennell
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
| | - Ryan C May
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
| | - Carrie A Brown
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
| | - Gus Baker
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
| | - Rebecca Bromley
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
| | - David W Loring
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
| | - Morris J Cohen
- From the Department of Neurology and Neurological Sciences (K.J.M.), Stanford University, CA; Department of Neurology (P.B.P.), Brigham and Women's Hospital, Harvard Medical School, Boston; The Emmes Corporation (R.C.M., C.A.B.), Rockville, MD; Walton Centre for Neurology & Neurosurgery (G.B.), University of Liverpool, Merseyside; Division of Evolution and Genomic Science (R.B.), School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, UK; Departments of Neurology and Pediatrics (D.W.L.), Emory University, Atlanta; and Pediatric Neuropsychology International (M.J.C.), Augusta, GA
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Philbrook NA, Nikolovska A, Maciver RD, Belanger CL, Winn LM. Characterizing the effects of in utero exposure to valproic acid on murine fetal heart development. Birth Defects Res 2019; 111:1551-1560. [PMID: 31661193 DOI: 10.1002/bdr2.1610] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 09/26/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Recently, the use of the antiepileptic drug valproic acid (VPA) for the treatment of psychiatric conditions has been on the rise. However, studies have shown that in utero VPA exposure can affect embryonic development, including being associated with congenital heart defects. One proposed mechanism of VPA-initiated teratogenicity is the inhibition of histone deacetylase, which is involved in the regulation of transcription factors that regulate cardiogenesis. Myocyte enhancing factor 2C (Mef2c), a transcription factor involved in the development of cardiac structure and cardiomyocyte differentiation, has been shown to increase in response to in utero VPA exposure, associating with contractile dysfunction and myocardial disorganization. METHODS To characterize the effects of VPA on murine heart development, pregnant CD-1 mice were dosed with 400 mg/kg of VPA on gestational day (GD) 9. Using high-resolution ultrasound, we examined the effects of VPA on cardiac contractile function on GD 14-18, with fetal hearts being harvested on GD 19 for histological analysis. Lastly, we conducted quantitative real-time polymerase chain reaction to measure the relative Mef2c gene expression in GD 16 murine hearts. RESULTS We observed structural anomalies at GD 19 in the hearts of VPA-treated mice. Additionally, our results showed alterations in measures of cardiac contractility, with a decrease or increase in cardiac contractile ability in VPA-treated mice depending on the GD and measurement taken. CONCLUSIONS These results further characterize the effects of VPA on heart development and suggest that alterations in Mef2c gene expression, at least on GD 16, do not mediate VPA-induced cardiotoxicity in CD-1 mice.
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Affiliation(s)
| | | | | | | | - Louise M Winn
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada.,School of Environmental Studies, Queen's University, Kingston, Ontario, Canada
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Abstract
INTRODUCTION The POMME (PrescriptiOn Médicaments Mères Enfants) cohort has been implemented for the evaluation of the long-term consequences of medicine prenatal exposure. It holds anonymous medical information as well as information on medicine and healthcare reimbursement to the children, from the first day of intra-uterine life until childhood. OBJECTIVE This article provides a description of the cohort regarding its structure and content and presents an outlook of the studies that could be performed with this new data source. METHODS Data sources include (1) the French Health Insurance Database (medicines and medical care prescriptions and reimbursements to children and mothers during pregnancy) and (2) the Mother and Child Protection Centre Database (child health certificates at birth, 9 months of age and 24 months of age). Children born in Haute-Garonne (south-west France), over a period of 1 year (from 1 July to 30 June), are registered in POMME every 5 years. The cohort began on 1 July, 2010. RESULTS To date, 8372 children have been recorded in POMME. They have reached 7 years of age now. Among them, 4249 (50.8%) are boys, 286 (3.4%) were from multiple pregnancies and 519 (6.2%) were born prematurely. They were prenatally exposed to 9.8 ± 6.1 medications. After birth, drug exposure was greatest in children aged 0-2 years. Children were mostly exposed to paracetamol, anti-infective agents and respiratory system drugs; 908 (10.8%) children presented with at least two signs of psychomotor development disorders. CONCLUSIONS POMME provides an observatory study on drug exposure and medical care use in children. This innovative cohort would make it possible to assess the risk of the long-term consequences of prenatal medicine exposure.
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Affiliation(s)
- Kimford J Meador
- Stanford Neuroscience Health Center, Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Palo Alto, California
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Zhang Z, Xu L, Zhang Z, Ding H, Rayburn ER, Li H. The need for contraception in patients taking prescription drugs: a review of FDA warning labels, duration of effects, and mechanisms of action. Expert Opin Drug Saf 2018; 17:1171-1183. [PMID: 30394114 DOI: 10.1080/14740338.2018.1544617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Introduction: This review provides a guide for the rational use of prescription drugs in patients of reproductive age. Areas covered: A comprehensive retrieval of the labels of FDA-approved drugs was performed to identify drugs where the label recommends contraceptive use during and/or after treatment. The acquired data were analyzed and organized into a table. Contraception was recommended or mandated for 268 single-ingredient drugs. These could be divided into four main categories, with many having effects across several categories: 177 drugs required contraception because they were associated with pregnancy loss or stillbirth, 177 drugs were associated with teratogenesis, 136 were associated with non-teratogenic adverse peri- or postnatal effects on the fetus (e.g. low birth weight), and 44 were associated with decreased efficacy of contraception or a change in ovulatory cycle. We also discuss the period of time contraception is required, as well as the known or hypothesized reasons for the reproductive toxicity of these agents. Expert opinion: We have provided a comprehensive overview of the FDA-approved drugs where the warning labels currently stipulate that contraception should be used. Although other references are available for clinicians, this review provides a useful source of information regarding the single-ingredient prescription drugs that may affect the outcome of pregnancy. This information is particularly relevant for researchers, as it provides an overview of the different drugs with reproductive toxicity, and because it highlights the specific needs for future research. In particular, more work (especially epidemiological studies) is needed to clarify the clinical relevance of these findings, most of which were obtained through animal studies.
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Affiliation(s)
- Zhanhu Zhang
- a Department of Clinical Laboratory Medicine , Nantong Maternal and Child Health Hospital , Jiangsu , China
| | - Lili Xu
- a Department of Clinical Laboratory Medicine , Nantong Maternal and Child Health Hospital , Jiangsu , China
| | - Zhenyu Zhang
- a Department of Clinical Laboratory Medicine , Nantong Maternal and Child Health Hospital , Jiangsu , China
| | - Hongxia Ding
- b Pharmacodia (Beijing) Co., LTD , Beijing , China
| | | | - Haibo Li
- a Department of Clinical Laboratory Medicine , Nantong Maternal and Child Health Hospital , Jiangsu , China
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Meador KJ, Pennell PB, May RC, Gerard E, Kalayjian L, Velez-Ruiz N, Penovich P, Cavitt J, French J, Hwang S, Pack AM, Sam M, Moore E, Ippolito DM. Changes in antiepileptic drug-prescribing patterns in pregnant women with epilepsy. Epilepsy Behav 2018; 84:10-14. [PMID: 29730500 PMCID: PMC6016834 DOI: 10.1016/j.yebeh.2018.04.009] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 04/13/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVE We analyzed current prescribing patterns for antiepileptic drugs (AEDs) in pregnant women with epilepsy (PWWE) at 20 USA tertiary epilepsy centers. METHODS The Maternal Outcomes and Neurodevelopmental Effects of Antiepileptic Drugs (MONEAD) study is an NIH-funded, prospective, observational, multicenter investigation of pregnancy outcomes for both mother and child, which enrolled women from December 2012 to January 2016. Inclusion criteria for PWWE included ages 14-45 years and up to 20 weeks gestational age. Exclusion criteria included history of psychogenic nonepileptic spells, expected intelligence quotient (IQ) <70, other major medical illness, progressive cerebral disease, and switching AEDs in pregnancy prior to enrollment. RESULTS Three hundred fifty-one PWWE were enrolled in the MONEAD study, which included 259 (73.8%) on monotherapy, 77 (21.9%) on polytherapy, and 15 (4.3%) on no AEDs. The most common AED monotherapy regimens were lamotrigine (42.1% of monotherapies), levetiracetam (37.5%), carbamazepine (5.4%), zonisamide (5.0%), oxcarbazepine (4.6%), and topiramate (3.1%). All other individual monotherapies were each <1%. The most common AED polytherapy combination was lamotrigine + levetiracetam (42.9% of polytherapies), followed by lacosamide + levetiracetam (6.5%), lamotrigine + zonisamide (5.2%), and all other remaining combinations (each <4%); only 5.2% of polytherapy subjects were on ≥3 AEDs (1.1% of total PWWE). Only four subjects (1.1%) were on valproate (1 monotherapy, 3 polytherapy). CONCLUSIONS The distribution of AED use likely reflects current prescribing patterns for PWWE cared for in USA tertiary epilepsy centers. This distribution has changed markedly since the turn of the century, but changes in the general population remain uncertain.
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Affiliation(s)
| | - Page B Pennell
- Brigham & Women's Hospital, Harvard Medical School, United States
| | | | | | | | | | | | | | | | | | | | - Maria Sam
- Wake Forest University, United States
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Pennell PB. Antiepileptic Drugs in Pregnancy—Quick Decisions With Long-term Consequences. JAMA Neurol 2018; 75:652-654. [DOI: 10.1001/jamaneurol.2017.5060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Page B. Pennell
- Harvard Medical School, Harvard University, Boston, Massachusetts
- Division of Epilepsy, Department of Neurology, Brigham and Women’s Hospital, Boston, Massachusetts
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61
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Zucker I. Psychoactive drug exposure during breastfeeding: a critical need for preclinical behavioral testing. Psychopharmacology (Berl) 2018; 235:1335-1346. [PMID: 29549392 DOI: 10.1007/s00213-018-4873-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 02/26/2018] [Indexed: 12/11/2022]
Abstract
Breastfeeding women are excluded from clinical trials of psychoactive drugs because of ethical concerns. Animal testing, which often is predictive of adverse effects in humans, represents the only avenue available for assessing drug safety for human offspring exposed to drugs during lactation. I determined whether behavioral outcomes for children exposed during breastfeeding to antidepressants, anxiolytics, antipsychotics, anti-seizure medications, analgesics, sedatives, and marijuana can be predicted by rodent studies of offspring exposed to drugs during lactation. Animal data were available for only 10 of 80 CNS-active drugs canvassed. Behavioral deficits in adolescence or adulthood in rats and mice after various drug exposures during lactation included reductions in sexual behavior, increased anxiety, hyperactivity, and impaired learning and memory. Whether similar adverse effects will emerge in adulthood in children exposed to drugs during breastfeeding is unknown. Rodent research has the potential to forecast impairments in breastfed children long before information emerges from post-marketing reports and should be prioritized during preclinical drug evaluation by the FDA for new drugs and for drugs currently prescribed off-label for lactating women.
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Affiliation(s)
- Irving Zucker
- Departments of Psychology and Integrative Biology, University of California, Berkeley, CA, 94720, USA. .,Psychology Department, University of California, Berkeley, CA, 94720, USA.
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62
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Martinez C, Feas D, Siri M, Igartúa D, Chiaramoni N, del V. Alonso S, Prieto M. In vivo study of teratogenic and anticonvulsant effects of antiepileptics drugs in zebrafish embryo and larvae. Neurotoxicol Teratol 2018; 66:17-24. [DOI: 10.1016/j.ntt.2018.01.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 01/18/2018] [Accepted: 01/20/2018] [Indexed: 12/14/2022]
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Haskey C, Galbally M. Mood stabilizers in pregnancy and child developmental outcomes: A systematic review. Aust N Z J Psychiatry 2017; 51:1087-1097. [PMID: 28825316 DOI: 10.1177/0004867417726175] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Research suggests that maintaining treatment during pregnancy for women with bipolar affective disorder reduces the risk of relapse. However, one of the key questions for women and clinicians during pregnancy is whether there are implications of exposure to mood stabilizers for longer term child development. Despite these concerns, there are few recent systematic reviews comparing the impact on child developmental outcomes for individual mood-stabilizing agents to inform clinical decisions. OBJECTIVES To examine the strengths and limitations of the existing data on child developmental outcomes following prenatal exposure to mood stabilizers and to explore whether there are any differences between agents for detrimental effects on child development. METHOD Using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, a rigorous systematic search was carried out of four electronic databases from their respective years of inception to September 2016 to identify studies which examined the effects of mood stabilizers including sodium valproate, carbamazepine, lamotrigine, lithium and second-generation antipsychotics on child developmental outcomes. RESULTS We identified 15 studies for critical review. Of these, 10 examined antiepileptic drugs, 2 studied lithium and 3 studied second-generation antipsychotics. The most consistent finding was a dose-response relationship for valproate with higher doses associated with poorer global cognitive abilities compared to other antiepileptic drugs. The limited data available for lithium found no adverse neurodevelopmental outcomes. The limited second-generation antipsychotic studies included a report of a transient early neurodevelopmental delay which resolved by 12 months of age. CONCLUSION This review found higher neurodevelopmental risk with valproate. While the existing data on lithium and second-generation antipsychotics are reassuring, these data are both limited and lower quality, indicating that further research is required. The information from this review is relevant for patients and clinicians to influence choice of mood-stabilizing agent in childbearing women. This must be balanced against the known risks associated with untreated bipolar affective disorder.
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Affiliation(s)
- Carolyn Haskey
- 1 Peel and Rockingham Kwinana Mental Health Service, Rockingham, WA, Australia
| | - Megan Galbally
- 2 School of Psychology and Exercise Science, Murdoch University, Murdoch, WA, Australia.,3 School of Medicine, The University of Notre Dame Australia, Fremantle, WA, Australia.,4 Fiona Stanley Hospital, Murdoch, WA, Australia
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64
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Shellhaas RA, Berg AT, Grinspan ZM, Wusthoff CJ, Millichap JJ, Loddenkemper T, Coryell J, Saneto RP, Chu CJ, Joshi SM, Sullivan JE, Knupp KG, Kossoff EH, Keator C, Wirrell EC, Mytinger JR, Valencia I, Massey S, Gaillard WD. Initial Treatment for Nonsyndromic Early-Life Epilepsy: An Unexpected Consensus. Pediatr Neurol 2017; 75:73-79. [PMID: 28807611 PMCID: PMC5863237 DOI: 10.1016/j.pediatrneurol.2017.06.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 06/22/2017] [Accepted: 06/22/2017] [Indexed: 12/22/2022]
Abstract
OBJECTIVE There are no evidence-based guidelines on the preferred approach to treating early-life epilepsy. We examined initial therapy selection in a contemporary US cohort of children with newly diagnosed, nonsyndromic, early-life epilepsy (onset before age three years). METHODS Seventeen pediatric epilepsy centers participated in a prospective cohort study of children with newly diagnosed epilepsy with onset under 36 months of age. Details regarding demographics, seizure types, and initial medication selections were obtained from medical records. RESULTS About half of the 495 enrolled children with new-onset, nonsyndromic epilepsy were less than 12 months old at the time of diagnosis (n = 263, 53%) and about half (n = 260, 52%) had epilepsy with focal features. Of 464 who were treated with monotherapy, 95% received one of five drugs: levetiracetam (n = 291, 63%), oxcarbazepine (n = 67, 14%), phenobarbital (n = 57, 12%), topiramate (n = 16, 3.4%), and zonisamide (n = 13, 2.8%). Phenobarbital was prescribed first for 50 of 163 (31%) infants less than six months old versus seven of 300 (2.3%) of children six months or older (P < 0.0001). Although the first treatment varied across study centers (P < 0.0001), levetiracetam was the most commonly prescribed medication regardless of epilepsy presentation (focal, generalized, mixed/uncertain). Between the first and second treatment choices, 367 (74%) of children received levetiracetam within the first year after diagnosis. CONCLUSIONS Without any specific effort, the pediatric epilepsy community has developed an unexpectedly consistent approach to initial treatment selection for early-life epilepsy. This suggests that a standard practice is emerging and could be utilized as a widely acceptable basis of comparison in future drug studies.
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Affiliation(s)
- Renée A. Shellhaas
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan,Communications should be addressed to: Dr. Shellhaas; C.S. Mott Children’s Hospital, room 12-733, 1540 E. Hospital Dr., Ann Arbor, MI 48109-4279.
| | - Anne T. Berg
- Epilepsy Center, Lurie Children’s Hospital; Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Zachary M. Grinspan
- Weill Cornell Medicine; New York Presbyterian Hospital; Health Information Technology Evaluation Collaborative, New York, New York
| | | | - John J. Millichap
- Epilepsy Center, Lurie Children’s Hospital; Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Tobias Loddenkemper
- Division of Epilepsy and Clinical Neurophysiology, Boston Children’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jason Coryell
- Departments of Pediatrics & Neurology, Oregon Health & Sciences University, Portland, Oregon
| | - Russell P. Saneto
- Division of Pediatric Neurology, Seattle Children’s Hospital, University of Washington, Seattle, Washington
| | - Catherine J. Chu
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts
| | - Sucheta M. Joshi
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan
| | - Joseph E. Sullivan
- Department of Neurology, University of California San Francisco, San Francisco, California
| | - Kelly G. Knupp
- Department of Pediatrics and Neurology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Eric H. Kossoff
- Departments of Neurology and Pediatrics, Johns Hopkins Hospital, Baltimore, Maryland
| | - Cynthia Keator
- Cook Children’s Health Care System, Jane and John Justin Neurosciences Center, Fort Worth, Texas
| | | | - John R. Mytinger
- Department of Pediatrics, the Ohio State University; Nationwide Children’s Hospital, Columbus, Ohio
| | - Ignacio Valencia
- Section of Neurology, St. Christopher’s Hospital for Children, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - Shavonne Massey
- Departments of Neurology and Pediatrics, The Children’s Hospital of Philadelphia and The Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - William D. Gaillard
- Department of Neurology, Children’s National Health System, George Washington University School of Medicine, Washington, District of Columbia
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Pregnancy outcome in women with epilepsy in Western China: A prospective hospital based study. Epilepsy Behav 2017; 74:10-14. [PMID: 28666184 DOI: 10.1016/j.yebeh.2017.05.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 04/29/2017] [Accepted: 05/26/2017] [Indexed: 01/04/2023]
Abstract
OBJECTIVE Gaps exist in the diagnosis and treatment of women with epilepsy (WWE) between China and Euro-American countries. We aim to find out and share our experience of the multidisciplinary integrated treatment for WWE. METHODS We prospectively registered WWE who were diagnosed by both epileptologists and obstetrician in our green way system for the past 5years (2009-2015). Registration information include years of education, epilepsy history, seizure type and frequency, pregnancy and delivery complications, delivery mode, and Apgar score of newborn. All data were analyzed by SAS 9.3 version. RESULTS We included 137 cases of maternal epilepsy (155 pregnancies with average maternal age of 26years old). 18 cases underwent epilepsy surgery before pregnancy. 103 pregnancies (66.45%) were cesarean section, 52 (33.55%) were natural childbirth, only 10 pregnancies have pregnancy complications, 2 have delivery complication, and 15 have seizures during delivery process. Most offspring were healthy when they were born (only 11 newborn got Apgar score<7). For drug treatment, patients never took AEDs or withdrew AEDs in 55 (35.48%) pregnancies. For folic acid supplementation, only 9 (5.81%) achieved the dose recommended by ILAE guideline (5mg/day). For the seizure frequency, 108 pregnancies (69.68%) did not changed, 3 (1.94%) reduced, 44(28.39%) increased and mainly increased in the first and last trimesters. For feeding way, 90 (58.06%) chose artificial feeding, followed by 39 (16.77%) of mixed feeding and 26 of breastfeeding. CONCLUSION Clinical features and perinatal outcome of Chinese WWE are similar to western WWE. For mode of delivery, even suggested by our epileptologists and obstetrician to deliver naturally, more patients selected cesarean section. Moreover, withdrawal of AEDs during pregnancy is common. Therefore, it is necessary to pay more attention to standard management of WWE and establish a more practical green way for WWE in China, to keep up with developed countries and improve the health level of birth in China.
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Abstract
PURPOSE OF REVIEW The aim of this paper is to evaluate recent literature on valproic acid (VPA) in women and girls of childbearing age and to emphasize new findings. RECENT FINDINGS Recent research confirms VPAs teratogenicity and risk of hormone disruption. VPA exposure in utero increases the risk for a variety of major congenital malformations (MCMs), reduced IQ and behavioral problems. In girls and women, VPA increases the risk of hormone abnormalities, obesity, and polycystic ovarian syndrome (PCOS). Despite guidelines recommending caution, VPA use continues to be prescribed to reproductive-aged women and girls. Despite significant and well-documented risk, adherence to guidelines in VPA use in reproductive-aged girls and women remains low.
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Affiliation(s)
- Dorothy Gotlib
- Michigan Medicine, Department of Psychiatry, Ann Arbor, MI, USA.
| | - Rachel Ramaswamy
- Department of Psychiatry and Behavioral Neurosciences, Loyola University, Tampa, FL, USA
| | | | - Alana DeRiggi
- Michigan Medicine, Department of Psychiatry, Ann Arbor, MI, USA
| | - Michelle Riba
- Michigan Medicine, Department of Psychiatry, Ann Arbor, MI, USA
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67
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Wibroe MA, Mathiasen R, Pagsberg AK, Uldall P. Risk of impaired cognition after prenatal exposure to psychotropic drugs. Acta Psychiatr Scand 2017; 136:177-187. [PMID: 28561934 DOI: 10.1111/acps.12754] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/28/2017] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Prenatal exposure to psychotropic drugs may affect the trajectories of brain development. In a register study, we investigated whether such exposure is associated with long-term impaired cognitive abilities. METHOD Individuals born in Denmark in 1995-2008 were included. As proxies for cognitive impairment, requiring special needs education, attending special needs school, diagnoses of neurological/mental disorder, missed final examinations, and low school grade average were used. We accounted for maternal confounders. RESULTS We identified 868 159 individuals of whom 13 983 (1.6%) were prenatally exposed. The adjusted odds ratio (OR) was 0.97[0.92-1.02] for requiring special needs education, 1.28[1.14-1.43] for attending special needs school, 1.32[1.20-1.46] for a neurological/mental disorder diagnosis, 1.37[1.22-1.54] for missing the final examinations, and 1.13[0.82-1.55] for obtaining a low school grade average. Exposure to psycholeptics (primarily antipsychotics and sedatives) was correlated with significantly increased risk for four outcomes. The highest was the risk of missing the primary school examinations (OR: 1.51[1.29-1.76]). The overall highest risk concerned the presence of a neurological/mental disorder after prenatal exposure to psychoanaleptics (primarily antidepressants) (OR: 1.86[1.24-2.78). CONCLUSION Prenatal exposure to psychotropic drugs affects proxy outcomes of cognitive disabilities at school age. Exposure to psycholeptics carries the largest risk. The role of psychoanaleptics is currently unclear.
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Affiliation(s)
- M A Wibroe
- Department of Pediatrics and Adolescent Medicine, Rigshospitalet, Copenhagen, Denmark
| | - R Mathiasen
- Department of Pediatrics and Adolescent Medicine, Rigshospitalet, Copenhagen, Denmark
| | - A K Pagsberg
- Child and Adolescent Mental Health Centre, Mental Health Services Capital Region, Copenhagen, Denmark.,Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
| | - P Uldall
- Department of Pediatrics and Adolescent Medicine, Rigshospitalet, Copenhagen, Denmark.,Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
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68
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Zucker I. Risk mitigation for children exposed to drugs during gestation: A critical role for animal preclinical behavioral testing. Neurosci Biobehav Rev 2017; 77:107-121. [DOI: 10.1016/j.neubiorev.2017.03.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Accepted: 03/08/2017] [Indexed: 12/13/2022]
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Afshari FT, Michael S, Ughratdar I, Samarasekera S. A practical guide to the use of anti-epileptic drugs by neurosurgeons. Br J Neurosurg 2017; 31:551-556. [PMID: 28480741 DOI: 10.1080/02688697.2017.1324618] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Initiation of anti-epileptic drugs is increasingly relevant to daily neurosurgical practice. Intracranial pathologies ranging from brain tumours to subarachnoid haemorrhage and traumatic brain injury are commonly associated with the subsequent development of seizures. The scope and range of anti-epileptic drugs available has increased dramatically in recent years and understanding the evidence base behind this class of drugs in addition to their interaction/side effect profiles is essential. In this review we aim to generate a practical guide for neurosurgeons regarding the use of different anti-epileptic medications in common neurosurgical conditions, including considerations for their use in pregnancy.
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Affiliation(s)
- Fardad T Afshari
- a Department of Neurosurgery , University Hospitals Birmingham , Birmingham , UK
| | - Sophia Michael
- b Department of Neurology , University Hospitals Birmingham , Birmingham , UK
| | - Ismail Ughratdar
- a Department of Neurosurgery , University Hospitals Birmingham , Birmingham , UK
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70
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Hugill K, Meredith D. Caring for pregnant women with long-term conditions: maternal and neonatal effects of epilepsy. ACTA ACUST UNITED AC 2017. [DOI: 10.12968/bjom.2017.25.5.301] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kevin Hugill
- Director of nursing, Hamad Medical Corporation, Doha Qatar
| | - Dawn Meredith
- Clinical midwifery specialist, Hamad Medical Corporation, Doha Qatar
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71
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Kellogg M, Meador KJ. Neurodevelopmental Effects of Antiepileptic Drugs. Neurochem Res 2017; 42:2065-2070. [PMID: 28424947 DOI: 10.1007/s11064-017-2262-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 04/05/2017] [Accepted: 04/06/2017] [Indexed: 12/30/2022]
Abstract
Increasing evidence suggests that exposure to certain antiepileptic drugs (AEDs) during critical periods of development may induce transient or long-lasting neurodevelopmental deficits across cognitive, motor and behavioral domains. The developing nervous system may endure prolonged chronic exposure to AEDs during pregnancy (in utero) or during childhood, which can lead to neurodevelopmental defects such as congenital neural tube defects, lower IQ, language deficits, autism and ADHD. To date, valproate is the most widely recognized AED to significantly negatively affect neurodevelopment, and demonstrates greater adverse effects than any other AEDs that have been assessed. Although some AEDs appear to have low risk (i.e., lamotrigine, levetiracetam), other AEDs have been implicated in a variety of studies detailed below, and many AEDs have not been adequately assessed. The purpose of this review article is to summarize our current understanding of the neurodevelopmental effects of AEDs.
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Affiliation(s)
- Marissa Kellogg
- Department of Neurology, Oregon Health Sciences University, 3181 SW Sam Jackson Park Rd, Mail Code 120, Portland, OR, 97239-3098, USA.
| | - Kimford J Meador
- Department of Neurology & Neurological Sciences, Stanford University, Stanford, CA, USA
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72
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Witt JA, Helmstaedter C. How can we overcome neuropsychological adverse effects of antiepileptic drugs? Expert Opin Pharmacother 2017; 18:551-554. [DOI: 10.1080/14656566.2017.1309025] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Juri-Alexander Witt
- Department of Epileptology, University of Bonn Medical Center, Bonn, Germany
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73
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Changing antiepileptic drug use for seizures in US neonatal intensive care units from 2005 to 2014. J Perinatol 2017; 37:296-300. [PMID: 27831551 DOI: 10.1038/jp.2016.206] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 09/17/2016] [Accepted: 10/07/2016] [Indexed: 01/18/2023]
Abstract
OBJECTIVE Neonatal seizures are a common problem in the neonatal intensive care unit and are frequently treated with antiepileptic drugs. Limited data exist on current or changing antiepileptic drug use for seizures in the neonatal intensive care unit.We sought to describe trends of antiepileptic drug exposure in a large volume of US neonatal intensive care unit from 2005 to 2014 and we hypothesized increasing levetiracetam exposure over the 10-year study period. STUDY DESIGN Retrospective cohort study of infants from the Pediatrix Medical Group Clinical Data Warehouse, a large, multicenter, deidentified data set. Data were analyzed for trends in 2-year time periods. Our cohort included infants with a diagnosis of seizures who received an antiepileptic drug that were discharged from the neonatal intensive care unit from 1 January 2005 to 31 December 2014. RESULTS Among 778 395 infants from 341 facilities, we identified 9134 infants with a seizure diagnosis who received an antiepileptic drug. Phenobarbital was used in 98% of the cohort. From 2005-2006 to 2013-2014 phenobarbital exposure declined from 99 to 96% (P<0.001), phenytoin exposure decreased from 15 to 11% (P<0.001) and levetiracetam exposure increased 10-fold from 1.4 to 14% (P<0.001). Overall, <1% of infants were exposed to carbamazepine, lidocaine or topiramate. CONCLUSIONS Infants with seizures were overwhelmingly exposed to phenobarbital, despite a significant increase in levetiracetam exposure. The use of phenytoin declined and has been surpassed by levetiracetam as the second most widely used antiepileptic in the neonatal intensive care unit. These changes in antiepileptic drug usage patterns have occurred in the absence of novel efficacy data in neonates.
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Würtz AM, Rytter D, Vestergaard CH, Christensen J, Vestergaard M, Bech BH. Prenatal exposure to antiepileptic drugs and use of primary healthcare during childhood: a population-based cohort study in Denmark. BMJ Open 2017; 7:e012836. [PMID: 28069620 PMCID: PMC5223712 DOI: 10.1136/bmjopen-2016-012836] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Prenatal exposure to antiepileptic drugs (AEDs) has been associated with adverse outcomes in the offspring such as congenital malformations and neuropsychiatric disorders. The objective of this study was to investigate whether prenatal exposure to AEDs is also associated with more frequent use of primary healthcare during childhood. DESIGN Population-based cohort study. SETTING Nationwide national registers in Denmark. PARTICIPANTS All live-born singletons in Denmark during 1997-2012 identified in the Danish National Patient Register and followed until 31 December 2013 (n=963 010). Information on prenatal exposure to AEDs for maternal indication of epilepsy and other neurological conditions was obtained from the Danish Register of Medicinal Product Statistics. MAIN OUTCOME MEASURES The primary outcome measure was the number and type of contacts with the general practitioner (GP), excluding routine well-child visits and vaccinations. The secondary outcome measure was specific services provided at the GP contact. The association between prenatal exposure to AEDs and contacts with the GP was estimated by using negative binomial regression adjusting for sex and date of birth of the child, maternal age, cohabitation status, income, education, substance abuse, depression, severe psychiatric disorders and use of antipsychotics, antidepressants and insulin. RESULTS Children exposed prenatally to AEDs (n=4478) had 3% (95% CI 0 to 5%) more GP contacts during the study period than unexposed children. This was primarily accounted for by the number of phone contacts. Within each year of follow-up, exposed children tended to have more contacts than unexposed children, but the differences were small. We found no difference between exposed and unexposed children with regard to specific services provided at the GP contact. For the individual AEDs, we found that exposure to valproate or oxcarbazepine was associated with more GP contacts. CONCLUSIONS We found only minor differences between prenatally AED-exposed and unexposed children in the number of GP contacts.
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Affiliation(s)
- Anne Mette Würtz
- Research Unit for General Practice, Department of Public Health, Aarhus University, Aarhus, Denmark
- Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Dorte Rytter
- Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
| | | | - Jakob Christensen
- Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
| | - Mogens Vestergaard
- Research Unit for General Practice, Department of Public Health, Aarhus University, Aarhus, Denmark
- Section for General Medical Practice, Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Bodil Hammer Bech
- Research Unit for General Practice, Department of Public Health, Aarhus University, Aarhus, Denmark
- Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
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Evidence for spared attention to faces in 7-month-old infants after prenatal exposure to antiepileptic drugs. Epilepsy Behav 2016; 64:62-68. [PMID: 27732918 DOI: 10.1016/j.yebeh.2016.09.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 08/16/2016] [Accepted: 09/11/2016] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Prenatal antiepileptic drug (AED) exposure is associated with an increased risk of cognitive impairment and autism spectrum disorders detected mainly at the age of two to six years. We examined whether the developmental aberrations associated with prenatal AED exposure could be detected already in infancy and whether effects on visual attention can be observed at this early age. MATERIAL AND METHODS We compared a prospective cohort of infants with in utero exposure to AED (n=56) with infants without drug exposures (n=62). The assessments performed at the age of seven months included standardized neurodevelopmental scores (Griffiths Mental Developmental Scale and Hammersmith Infant Neurological Examination) as well as a novel eye-tracking-based test for visual attention and orienting to faces. Background information included prospective collection of AED exposure data, pregnancy outcome, neuropsychological evaluation of the mothers, and information on maternal epilepsy type. RESULTS Carbamazepine, oxcarbazepine, and valproate, but not lamotrigine or levetiracetam, were associated with impaired early language abilities at the age of seven months. The general speed of visuospatial orienting or attentional bias for faces measured by eye-tracker-based tests did not differ between AED-exposed and control infants. DISCUSSION Our findings support the idea that prenatal AED exposure may impair verbal abilities, and this effect may be detected already in infancy. In contrast, the early development of attention to faces was spared after in utero AED exposure.
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Pregnancy and epilepsy; meeting the challenges over the last 25 years: The rise of the pregnancy registries. Seizure 2016; 44:162-168. [PMID: 27839978 DOI: 10.1016/j.seizure.2016.10.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 10/03/2016] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Women with epilepsy (WWE), of all ages, have much to consider if their care is to be optimised and they are not to be denied the choices open to those without epilepsy. At no time is this more critical than during their child-bearing years when treatment decisions are complex. METHODS In this article we will provide a personal commentary and review of the pertinent literature on how the management of WWE of childbearing years has changed over the last 25 years. As well as reflecting on the state of knowledge at the start of the 1990s and the approach to managing WWE at this time, we will demonstrate that in addition to much more information now being available that there has also been an attempt to standardise how WWE should be managed. RESULTS As a means of achieving this increase in knowledge and standardisation of care, we argue that the various pregnancy registries have played a significant part in these positive developments. As vehicles for collecting clinically relevant data, they have provided information that has helped empower women and their health care providers to make sound clinical decisions, as well as highlighting the difficulties and unknowns. CONCLUSIONS Still being active the pregnancy registries maintain a continued focus on the relevant issues relating to WWE.
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Effects of lacosamide "a novel antiepileptic drug" in the early stages of chicken embryo development. Childs Nerv Syst 2016; 32:1715-9. [PMID: 27473858 DOI: 10.1007/s00381-016-3181-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 07/05/2016] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Antiepileptic drugs (AEDs) are teratogens and confer a risk of congenital malformation. The estimated prevalence of major congenital malformations such as cardiac defects, facial clefts, hypospadias, and neural tube defects in epileptic women is 4-10 %, which represents a two- to fourfold increase in pregnant women compared to the general population. However, there are no clear data for newer drugs. Lacosamide (LCM), a novel AED, is the first of the third-generation AEDs to be approved as adjunctive therapy for the treatment of partial-onset seizures. There are no data on the pharmacokinetics of LCM during pregnancy, and only some published data have reported on its effects during pregnancy. METHODS In this study, three different doses of LCM (0.12, 0.5, and 1.60 mg in 0.18 mL) were applied under the embryonic disks of specific pathogen-free Leghorn chicken embryos after a 30-h incubation. Incubation was continued for 80 h, at which time all embryos were evaluated macroscopically and microscopically. RESULTS There was growth retardation in all of the LCM-treated groups. Major malformations increased in a dose-dependent manner and were mostly observed in the supratherapeutic group. CONCLUSION Based on our data, LCM may cause growth retardation or major congenital malformations. Nevertheless, more extensive investigations of its reliability are needed.
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Olatunji LA, Omolekulo TE, Usman TO, Kim I. Improvement of oral contraceptive-induced glucose dysregulation and dyslipidemia by valproic acid is independent of circulating corticosterone. Arch Physiol Biochem 2016; 122:123-9. [PMID: 26855320 DOI: 10.3109/13813455.2016.1151892] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
CONTEXT Cardiometabolic disorders are rapidly becoming major public health challenges. Valproic acid (VPA) is a widely prescribed anticonvulsant drug. OBJECTIVE We hypothesized that treatment with VPA would improve the regulation of glucose and atherogenic dyslipidemia through reduction in circulating corticosterone. METHODS Female Wistar rats recieved (p.o.) combined oral contraceptive (COC) containing 1.0 µg ethinylestradiol plus 5.0 µg levonorgestrel and valproic acid (VPA; 20 mg) for 8 weeks. RESULTS Treatment with COC led to elevated fasting blood glucose, insulin, corticosterone, triglycerides (TG), TG/HDL-cholesterol ratio, insulin resistance (IR) and impaired glucose tolerance. VPA significantly attenuated the alterations induced by COC treatment, but did not affect the corticosterone level. However, VPA treatment led to significant increases in plasma insulin, corticosterone, atherogenic lipids and impaired glucose tolerance in rats not treated with COC. CONCLUSION The findings in this study suggest that VPA mitigates against the development of COC-induced insulin resistance and dyslipidemia independent of elevated circulating corticosterone.
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Affiliation(s)
- Lawrence A Olatunji
- a Cardiovascular and Molecular Physiology Unit, Department of Physiology, College of Health Sciences University of Ilorin , Ilorin , Nigeria
- b Cardiovascular Research Institute, Kyungpook National University School of Medicine , Daegu , Republic of Korea , and
| | - Tolulope E Omolekulo
- a Cardiovascular and Molecular Physiology Unit, Department of Physiology, College of Health Sciences University of Ilorin , Ilorin , Nigeria
| | - Taofeek O Usman
- a Cardiovascular and Molecular Physiology Unit, Department of Physiology, College of Health Sciences University of Ilorin , Ilorin , Nigeria
| | - InKyeom Kim
- b Cardiovascular Research Institute, Kyungpook National University School of Medicine , Daegu , Republic of Korea , and
- c Department of Pharmacology , Kyungpook National University School of Medicine , Daegu , Republic of Korea
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Goldman AM, LaFrance WC, Benke T, Asato M, Drane D, Pack A, Syed T, Doss R, Lhatoo S, Fureman B, Dingledine R. 2014 Epilepsy Benchmarks Area IV: Limit or Prevent Adverse Consequence of Seizures and Their Treatment Across The Lifespan. Epilepsy Curr 2016; 16:198-205. [PMID: 27330453 PMCID: PMC4913859 DOI: 10.5698/1535-7511-16.3.198] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Alica M. Goldman
- Associate Professor, Department of Neurology, Baylor College of Medicine, One Baylor Plaza, NB222, Houston, TX, USA
| | - W. Curt LaFrance
- Associate Professor, Departments of Neurology and Psychiatry, Alpert Medical School, Brown University, Providence RI 02903-4923 USA
| | - Tim Benke
- Associate Professor, Departments of Pediatrics, Neurology, Pharmacology and Otolaryngology, University of Colorado School of Medicine, Aurora, CO
| | - Miya Asato
- Associate Professor, Pediatrics and Psychiatry, Divisionof Child Neurology, Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Dan Drane
- Assistant Professor, Departments of Neurology and Pediatrics, Emory University School of Medicine and Department of Neurology, University of Washington School of Medicine
| | - Alison Pack
- Associate Professor of Neurology, Department of Neurology, Columbia University Medical Center, New York, NY
| | - Tanvir Syed
- Assistant Professor of Neurology, University Hospitals Case Medical Center, Cleveland, OH
| | - Robert Doss
- Clinical Neuropsychologist, Minnesota Epilepsy Group, P.A., St. Paul, MN and Department of Neurology, University of Minnesota-Twin Cities, MN
| | - Samden Lhatoo
- Professor and Chair, Department of Neurology, Case Western Reserve University School of Medicine, Cleveland, OH
| | - Brandy Fureman
- Program Director, Channels Synapses and Circuits Cluster, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD
| | - Ray Dingledine
- Professor and Chair, Department of Pharmacology, Emory University, Atlanta GA
| | - for the American Epilepsy Society (AES)/National Institute of Neurological Disorders and Stroke (NINDS) Epilepsy Benchmark Stewards.
- Associate Professor, Department of Neurology, Baylor College of Medicine, One Baylor Plaza, NB222, Houston, TX, USA
- Associate Professor, Departments of Neurology and Psychiatry, Alpert Medical School, Brown University, Providence RI 02903-4923 USA
- Associate Professor, Departments of Pediatrics, Neurology, Pharmacology and Otolaryngology, University of Colorado School of Medicine, Aurora, CO
- Associate Professor, Pediatrics and Psychiatry, Divisionof Child Neurology, Children's Hospital of Pittsburgh, Pittsburgh, PA
- Assistant Professor, Departments of Neurology and Pediatrics, Emory University School of Medicine and Department of Neurology, University of Washington School of Medicine
- Associate Professor of Neurology, Department of Neurology, Columbia University Medical Center, New York, NY
- Assistant Professor of Neurology, University Hospitals Case Medical Center, Cleveland, OH
- Clinical Neuropsychologist, Minnesota Epilepsy Group, P.A., St. Paul, MN and Department of Neurology, University of Minnesota-Twin Cities, MN
- Professor and Chair, Department of Neurology, Case Western Reserve University School of Medicine, Cleveland, OH
- Program Director, Channels Synapses and Circuits Cluster, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD
- Professor and Chair, Department of Pharmacology, Emory University, Atlanta GA
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Kaushal S, Tamer Z, Opoku F, Forcelli PA. Anticonvulsant drug-induced cell death in the developing white matter of the rodent brain. Epilepsia 2016; 57:727-34. [PMID: 27012547 DOI: 10.1111/epi.13365] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2016] [Indexed: 01/18/2023]
Abstract
OBJECTIVE During critical periods of brain development, both seizures and anticonvulsant medications can affect neurodevelopmental outcomes. In rodent models, many anticonvulsants trigger neuronal apoptosis. However, white matter apoptosis (WMA) has not been examined after anticonvulsant drug treatment. Herein, we sought to determine if anticonvulsant drugs induced apoptosis in the developing white matter (WM) in a rodent model. METHODS Postnatal day (P)7 rats were treated with phenobarbital (PB-75), MK-801 (dizocilpine, 0.5), lamotrigine (LTG-20), carbamazepine (CBZ-100), phenytoin (PHT-50), levetiracetam (LEV-250), or saline; all doses are mg/kg. Brain tissue collected 24 h after treatment was stained using the terminal deoxynucleotidyl transferase dUTP nick end labeling method. The number of degenerating cells within WM, that is, anterior commissure (AC), corpus callosum, cingulum, and hippocampus-associated WM tracts, was quantified. RESULTS Saline-treated rats showed low baseline level of apoptosis in developing WM on P8 in all the areas examined. PB, PHT, and MK-801 significantly increased apoptosis in all four brain areas examined. Exposure to CBZ, LTG, or LEV failed to increase apoptosis in all regions. SIGNIFICANCE Commonly used anticonvulsants (PB, PHT) cause apoptosis in the developing WM in a rat model; the N-methyl-d-aspartate (NMDA) receptor antagonist MK-801 has a similar effect. These results are consistent with reports of anesthesia-induced WMA during brain development. Consistent with the lack of neuronal apoptosis caused by LTG, LEV, and CBZ, these drugs did not cause WMA. Many infants treated with anticonvulsant drugs have underlying neurologic injury, including WM damage (e.g., following intraventricular hemorrhage [IVH] or hypoxic-ischemic encephalopathy [HIE]). The degree to which anticonvulsant drug treatment will alter outcomes in the presence of underlying injury remains to be examined, but avoiding drugs (when possible) that induce WMA may be beneficial.
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Affiliation(s)
- Suhasini Kaushal
- Department of Pharmacology & Physiology, Georgetown University School of Medicine, Washington, DC, U.S.A
| | - Zenab Tamer
- Department of Pharmacology & Physiology, Georgetown University School of Medicine, Washington, DC, U.S.A
| | - Freda Opoku
- Department of Pharmacology & Physiology, Georgetown University School of Medicine, Washington, DC, U.S.A
| | - Patrick A Forcelli
- Department of Pharmacology & Physiology, Georgetown University School of Medicine, Washington, DC, U.S.A
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Beghi E. Addressing the burden of epilepsy: Many unmet needs. Pharmacol Res 2016; 107:79-84. [PMID: 26952026 DOI: 10.1016/j.phrs.2016.03.003] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 03/02/2016] [Accepted: 03/02/2016] [Indexed: 11/19/2022]
Abstract
Epilepsy is a heterogeneous clinical condition characterized by recurrent unprovoked seizures, their causes and complications. The incidence, prevalence and mortality of epilepsy vary with age, place and time contributing to a variable extent to the burden of the disease. Diagnostic misclassification may have strong impact on personal and societal reflections of the disease in light of its clinical manifestations and the need for chronic treatment. Epilepsy accounts for a significant proportion of the world's disease burden ranking fourth after tension-type headache, migraine and Alzheimer disease. Among neurological diseases, it accounts for the highest disability-adjusted life year rates both in men and in women. Although epilepsy is self-remitting in up to 50% of cases, variable long-term prognostic patterns can be identified based on the response to the available treatments. Epilepsy carries an overall increased risk of premature mortality with variable estimates across countries. Premature mortality predominates in patients aged less than 50 years, with epilepsies due to structural/metabolic conditions, with generalized tonic-clonic seizures, and seizures not remitting under treatment. Among deaths directly attributable to epilepsy or seizures, included are sudden unexpected death in epilepsy (SUDEP), status epilepticus, accidents, drowning, unintentional injuries, and suicide. Somatic and psychiatric disorders prevail in patients with epilepsy than in people without epilepsy. Asthma, migraine and cerebral tumors tend to occur more frequently in younger adults while cardiovascular disorders, stroke, dementia and meningioma predominate in the elderly. As being a fairly common clinical condition affecting all ages and requiring long-term (sometimes lifelong) treatment, epilepsy carries high health care costs for the society. Direct costs peak in the first year after diagnosis and then vary according to the severity of the disease, the response to treatment, and the presence of comorbidity. Although in several countries the costs of epilepsy are met by the national health systems, out-of-pocket costs may be a relevant fraction of the overall costs, especially in countries where the public management of health care is suboptimal or non-existent. Epilepsy strongly affects patients' independence, psychological health and emotional adjustment. Epilepsy impairs all aspects of health-related quality of life. Awareness and attitudes of the public about epilepsy may significantly affect the burden of the disease. All these factors add to the burden of the disease. However, many of the factors implicated in the onset of epilepsy, its course and treatment can be favorably addressed with appropriate strategic plans. More research is needed to investigate and manage the medical and psychosocial implications of epilepsy.
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Affiliation(s)
- Ettore Beghi
- Laboratory of Neurological Disorders, IRCCS⿿Istituto di Ricerche Farmacologiche ⿿Mario Negri⿿, Via Giuseppe La Masa, 19, 20156 Milan, Italy.
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Meador KJ. Valproic acid: reducing the risks of prenatal exposure. Lancet Neurol 2015; 15:132-133. [PMID: 26655850 DOI: 10.1016/s1474-4422(15)00357-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 11/23/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Kimford J Meador
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA.
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