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Robinson CL, Parker K, Kataria S, Downs E, Supra R, Kaye AD, Viswanath O, Urits I. Viloxazine for the Treatment of Attention Deficit Hyperactivity Disorder. Health Psychol Res 2022; 10:38360. [DOI: 10.52965/001c.38360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Purpose of Review Attention deficit hyperactivity disorder (ADHD) is a widely diagnosed neurodevelopmental disorder giving rise to symptoms of hyperactivity, impulsivity, and inattentiveness that can impair daily functioning. Stimulants, such as methylphenidate and amphetamines, are the mainstay of treatment for ADHD. However, nonstimulant drugs such as viloxazine, atomoxetine, guanfacine, and clonidine are becoming more popular due to minimal adverse effects when compared to stimulants. Recent Findings Viloxazine is a selective norepinephrine reuptake inhibitor (NRI) originally used to treat depression in adults with activity in both the noradrenergic as well as serotonergic pathways. Studies have demonstrated its efficacy for its use in the treatment of ADHD. Unlike stimulants, viloxazine has a decreased chance of substance abuse, drug dependance, and withdrawal symptoms upon the cessation of therapy. Additionally, dopamine levels in the nucleus accumbens after treatment with viloxazine are elevated considerably less in comparison with traditional stimulant ADHD treatments. Viloxazine provides an alternative, nonstimulant approach to treating ADHD. Summary Viloxazine is a recently approved, non-stimulant medication functions by inhibiting the uptake of norepinephrine which has been seen to be decreased in patients with ADHD. When patients do not respond to first-line stimulants, cannot tolerate the side effects, or have contraindications to stimulants, viloxazine may be a nonstimulant option offering patients an increasing arsenal of medications to treat ADHD.
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Affiliation(s)
| | - Katelyn Parker
- Louisiana State University Health New Orleans School of Medicine
| | - Saurabh Kataria
- Louisiana State University Health Science Center at Shreveport
| | - Evan Downs
- Louisiana State University Health New Orleans School of Medicine
| | | | - Alan D. Kaye
- Louisiana State University Health New Orleans School of Medicine
| | - Omar Viswanath
- Valley Anesthesiology and Pain Consultants, Envision Physician Services
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Turan S, Ermiş Ç, Pereira-Sanchez V, Tunctürk M, Pekcanlar AA. ADHD and Drug Holidays: Effects on Anthropometric Changes during Methylpenidate Treatment. PSYCHOPHARMACOLOGY BULLETIN 2021; 51:10-26. [PMID: 34421141 PMCID: PMC8374927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
OBJECTIVES The current study evaluated the long-term effects of methylphenidate (MPH) discontinuation on growth parameters in Turkish children and adolescents with attention-deficit/hyperactivity disorder (ADHD). EXPERIMENTAL DESIGN 432 children and adolescents (aged 6-18 years) with ADHD receiving MPH for at least 1 year between March 2012 and January 2019 were included in a retrospective cohort study. We analyzed weight, height, and body mass index (BMI) standard deviation z scores (SDS) of groups that either did (ADHD-C) or did not (ADHD-DC) discontinue MPH. Growth parameters were converted to z scores as normative values for the Turkish population to compare the measurements at baseline and the last follow-up visit by using the paired sample t-test. PRINCIPAL OBSERVATIONS In patients from the ADHD-C group, statistically significant negative correlations were found between age at starting MPH and differences in weight and height SDS between baseline and follow-up. Children had a greater reduction in weight and height compared to adolescents. When we evaluated the differences in pre-and post-treatment growth factors, we found no significant differences between the groups in terms of growth parameters. CONCLUSIONS Our data showed that chronic use of MPH was likely responsible for changes in height and weight parameters.
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Affiliation(s)
- Serkan Turan
- Turan, Uludağ University Child and Adolescent Psychiatry, Bursa, Turkey. Ermiş, Diyarbakır Children's Hospital, Diyarbakır, Turkey. Pereira-Sanchez, NYU Grossman School of Medicine, One Park Avenue, New York, USA. Tunctürk, Istanbul Bakirkoy Prof. Dr. Mazhar Osman Research and Training Hospital for Psychiatric and Neurological Diseases, Department of Child and Adolescent Psychiatry, Istanbul, Turkey
| | - Çağatay Ermiş
- Turan, Uludağ University Child and Adolescent Psychiatry, Bursa, Turkey. Ermiş, Diyarbakır Children's Hospital, Diyarbakır, Turkey. Pereira-Sanchez, NYU Grossman School of Medicine, One Park Avenue, New York, USA. Tunctürk, Istanbul Bakirkoy Prof. Dr. Mazhar Osman Research and Training Hospital for Psychiatric and Neurological Diseases, Department of Child and Adolescent Psychiatry, Istanbul, Turkey
| | - Victor Pereira-Sanchez
- Turan, Uludağ University Child and Adolescent Psychiatry, Bursa, Turkey. Ermiş, Diyarbakır Children's Hospital, Diyarbakır, Turkey. Pereira-Sanchez, NYU Grossman School of Medicine, One Park Avenue, New York, USA. Tunctürk, Istanbul Bakirkoy Prof. Dr. Mazhar Osman Research and Training Hospital for Psychiatric and Neurological Diseases, Department of Child and Adolescent Psychiatry, Istanbul, Turkey
| | - Mustafa Tunctürk
- Turan, Uludağ University Child and Adolescent Psychiatry, Bursa, Turkey. Ermiş, Diyarbakır Children's Hospital, Diyarbakır, Turkey. Pereira-Sanchez, NYU Grossman School of Medicine, One Park Avenue, New York, USA. Tunctürk, Istanbul Bakirkoy Prof. Dr. Mazhar Osman Research and Training Hospital for Psychiatric and Neurological Diseases, Department of Child and Adolescent Psychiatry, Istanbul, Turkey
| | - Aynur Akay Pekcanlar
- Turan, Uludağ University Child and Adolescent Psychiatry, Bursa, Turkey. Ermiş, Diyarbakır Children's Hospital, Diyarbakır, Turkey. Pereira-Sanchez, NYU Grossman School of Medicine, One Park Avenue, New York, USA. Tunctürk, Istanbul Bakirkoy Prof. Dr. Mazhar Osman Research and Training Hospital for Psychiatric and Neurological Diseases, Department of Child and Adolescent Psychiatry, Istanbul, Turkey
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Endreffy I, Bjørklund G, Urbina MA, Chirumbolo S, Doşa MD, Dicső F. High Levels of Glycosaminoglycans in the Urines of Children with Attention-Deficit/Hyperactivity Disorder (ADHD). J Mol Neurosci 2020; 70:1018-1025. [PMID: 32128665 DOI: 10.1007/s12031-020-01496-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 02/05/2020] [Indexed: 01/02/2023]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a common neurobehavioral/neurodevelopmental disorder. Some early studies indicated that increased intake of added sugars might have a role in ADHD. In the present study, we tested this possibility by evaluating the urinary excretion of oligosaccharides and glycosaminoglycans (GAGs) in ADHD and control subjects. Forty ADHD subjects matched with 34 controls were enrolled in the study. The subjects underwent a standardized dietary regimen. The urine levels of oligosaccharides and GAGs were quantified biochemically, and their covariance and association were evaluated statistically. Fructose (21/40, 52.5%), maltose (26/40, 65%), galactose (30/40, 75%), and lactose (38/40, 95%) excretions were frequently found in the urine of ADHD subjects (p < 0.05), an excretion which does not occur normally. Furthermore, these subjects showed a pathologic tGAG (glycosaminoglycan) excretion (40/40, 100%). The present study supports the thesis that carbohydrate metabolism differs in ADHD subjects compared with control subjects.
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Affiliation(s)
- Ildikó Endreffy
- Department of Pediatrics, Josa András County Hospital, Nyíregyháza, Hungary
| | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Toften 24, 8610, Mo i Rana, Norway.
| | - Mauricio A Urbina
- Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
- CONEM Scientific Secretary, Verona, Italy
| | - Monica Daniela Doşa
- Department of Pharmacology, Faculty of Medicine, Ovidius University, Campus, 900470, Constanta, Romania.
| | - Ferenc Dicső
- Department of Pediatrics, Josa András County Hospital, Nyíregyháza, Hungary
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Greydanus DE, Cates KW, Sadigh N. Adverse effects of stimulant medications in children and adolescents: focus on drug abuse. Int J Adolesc Med Health 2019; 31:ijamh-2019-0175. [PMID: 31483757 DOI: 10.1515/ijamh-2019-0175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 08/12/2019] [Indexed: 11/15/2022]
Affiliation(s)
- Donald E Greydanus
- Department of Pediatric and Adolescent Medicine, Western Michigan University, Homer Stryker MD School of Medicine, 1000 Oakland Drive, Kalamazoo, MI 49008-1284, USA
| | - Kevin W Cates
- Western Michigan University, Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
| | - Nina Sadigh
- Western Michigan University, Homer Stryker MD School of Medicine, Kalamazoo, MI, USA
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Howes CF, Sharp C. Delusional infestation in the treatment of ADHD with atomoxetine. Drug Ther Bull 2019; 57:93-95. [PMID: 31126905 DOI: 10.1136/dtb.2019.226020rep] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 08/10/2018] [Accepted: 09/05/2018] [Indexed: 06/09/2023]
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Howes CF, Sharp C. Delusional infestation in the treatment of ADHD with atomoxetine. BMJ Case Rep 2018; 2018:bcr-2018-226020. [DOI: 10.1136/bcr-2018-226020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The case describes an adult diagnosed with attention deficit hyperactivity disorder and treated with atomoxetine who quickly developed a florid case of delusional infestation. The patient described very distressing experiences that were significantly impacting her daily life. The symptoms improved with the withdrawal of atomoxetine and resolved completely with antipsychotic medications. Atomoxetine is proposed as the putative causative agent in this case.
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Hilgard D, Konrad K, Meusers M, Bartus B, Otto KP, Lepler R, Schober E, Bollow E, Holl RW. Comorbidity of attention deficit hyperactivity disorder and type 1 diabetes in children and adolescents: Analysis based on the multicentre DPV registry. Pediatr Diabetes 2017; 18:706-713. [PMID: 27523391 DOI: 10.1111/pedi.12431] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 07/16/2016] [Accepted: 07/19/2016] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The interaction between type 1 diabetes mellitus (T1DM) and attention deficit hyperactivity disorder (ADHD) in children and adolescents has been studied rarely. We aimed to analyse metabolic control in children and adolescents with both T1DM and ADHD compared to T1DM patients without ADHD. PATIENTS AND METHODS Auxological and treatment data from 56.722 paediatric patients (<20 years) with T1DM in the multicentre DPV (Diabetes Prospective Follow-up Initiative) registry were analysed. T1DM patients with comorbid ADHD were compared to T1DM patients without ADHD using multivariable mixed regression models adjusting for demographic confounders. RESULTS We identified 1.608 (2.83%) patients with ADHD, 80.8% were male. Patients with comorbid ADHD suffered twice as often from diabetic ketoacidosis compared to patients without ADHD [10.2; 9.7-10.8 vs [5.4; 5.3-5.4] (P < .0001). We also found significant differences in HbA1c [8.6% (7.3-9.4); 66.7 mmol/mol (56.3-79.4) vs 7.8% (7.0-9.0); 62.1 mmol/mol (53.2-74.7)], insulin dose/kg [0.9 IU/kg (0.7-1.1) vs 0.8 IU/kg (0.7-1.0)], body mass index-standard deviation score (BMI-SDS) [0.2 (-0.5 to 0.8) vs 0.3 (-0.3 to 0.9)], body weight-SDS [0.1 (-0.5 to 0.8) vs 0.3 (0.3 - 0.9)]; (all P < 0.0001), and systolic blood pressure after adjustment [mean: 116.3 vs 117.1 mm Hg)]; (P < 0.005). CONCLUSION Paediatric patients with ADHD and T1DM showed poor metabolic control compared to T1DM patients without ADHD. Closer cooperation between specialized paediatric diabetes teams and paediatric psychiatry/psychology seems to be necessary to improve diabetes care and metabolic control in this group of patients.
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Affiliation(s)
- Doerte Hilgard
- Department of Pediatrics, Gemeinschaftskrankenhaus Herdecke, Herdecke, Germany
| | - Katja Konrad
- Department of Pediatric and Adolescent Medicine, University of Cologne, Cologne, Germany.,Department of Pediatric and Adolescent Medicine, Elisabeth Hospital Essen, Essen, Germany
| | - Michael Meusers
- Department of Child and Adolescent Psychiatry, Gemeinschaftskrankenhaus, Herdecke, Germany
| | - Bela Bartus
- Department of Pediatrics, Filderklinik, Filderstadt, Germany
| | - Klaus-Peter Otto
- Department of Pediatrics, Medical Center Itzehoe, Itzehoe, Germany
| | - Rudolf Lepler
- Catholic Children's Hospital Wilhelmstift, Hamburg, Germany
| | - Edith Schober
- Department of Pediatrics, Medical University of Vienna, Vienna, Austria
| | - Esther Bollow
- Institute of Epidemiology and Medical Biometry, ZIBMT, University of Ulm, Ulm, Germany
| | - Reinhard W Holl
- Institute of Epidemiology and Medical Biometry, ZIBMT, University of Ulm, Ulm, Germany.,German Center for Diabetes Research (DZD), Neuherberg, Germany
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Dalwai S, Unni J, Kalra V, Singhi P, Shrivastava L, C Nair MK. Consensus Statement of the Indian Academy of Pediatrics on Evaluation and Management of Attention Deficit Hyperactivity Disorder. Indian Pediatr 2017; 54:481-488. [PMID: 28368271 DOI: 10.1007/s13312-017-1052-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
JUSTIFICATION Attention-Deficit/Hyperactivity Disorder (ADHD) is highly prevalent in children worldwide. Management of ADHD requires a systematic, multidisciplinary approach and therefore evidence-based, standardized national guidelines are essential. PROCESS A meeting for formulation of national consensus guidelines on neurodevelopmental disorders was organized by Indian Academy of Pediatrics in Mumbai, on 18th and 19th December, 2015. The invited experts included Pediatricians, Developmental Pediatricians, Pediatric Neurologists, Psychiatrists, Remedial Educators and Clinical Psychologists. The participants framed guidelines after extensive discussions. OBJECTIVE To provide consensus guidelines on evaluation and management of ADHD in children in India. RECOMMENDATIONS ADHD is a chronic condition and thus education of patients, families, and teachers regarding the diagnosis is an integral part of management. Involvement of patient the and the family in the management program is extremely vital. Management of ADHD centers on the achievement of target outcomes, which are chosen in collaboration with the child, parents, and school personnel. Coexisting conditions must be treated concurrently with ADHD. Modalities of management of ADHD include behavioral interventions, medications, and educational interventions. These modalities can be implemented individually or in combination.
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Affiliation(s)
- Samir Dalwai
- From New Horizons Group, Mumbai; *Aster Medcity, Kochi; #Indraprastha Apollo Hospital, New Delhi; $Department of Pediatrics, PGIMER, Chandigarh; ‡Department of Pediatrics, Bharatiya Vidyapeeth Medical College and Hospital, Pune; and ^Kerala University, Thrissur; India. Correspondence to: Dr. Samir Dalwai, Director, New Horizons Child Development Centre, Mumbai, India.
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Methylphenidate effects in the young brain: friend or foe? Int J Dev Neurosci 2017; 60:34-47. [PMID: 28412445 DOI: 10.1016/j.ijdevneu.2017.04.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 03/07/2017] [Accepted: 04/06/2017] [Indexed: 01/17/2023] Open
Abstract
Attention deficit hyperactivity disorder (ADHD) is one of the most prevalent neuropsychiatry disorders in children and adolescents, and methylphenidate (MPH) is a first-line stimulant drug available worldwide for its treatment. Despite the proven therapeutic efficacy, concerns have been raised regarding the possible consequences of chronic MPH exposure during childhood and adolescence. Disturbances in the neurodevelopment at these crucial stages are major concerns given the unknown future life consequences. This review is focused on the long-term adverse effects of MPH to the brain biochemistry. Reports conducted with young and/or adolescent animals and studies with humans are reviewed in the context of long-term consequences after early life-exposure. MPH pharmacokinetics is also reviewed as there are differences among laboratory animals and humans that may be relevant to extrapolate the findings. Studies reveal that exposure to MPH in laboratory animals during young and/or adolescent ages can impact the brain, but the outcomes are dependent on MPH dose, treatment period, and animal's age. Importantly, the female sex is largely overlooked in both animal and human studies. Unfortunately, human reports that evaluate adults following adolescent or child exposure to MPH are very scarce. In general, human data indicates that MPH is generally safe, although it can promote several brain changes in early ages. Even so, there is a lack of long course patient evaluation to clearly establish whether MPH-induced changes are friendly or foe to the brain and more human studies are needed to assess the adult brain changes that arise from early MPH treatment.
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Ahmed R, Borst J, Wei YC, Aslani P. Parents' Perspectives About Factors Influencing Adherence to Pharmacotherapy for ADHD. J Atten Disord 2017; 21:91-99. [PMID: 23995052 DOI: 10.1177/1087054713499231] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE The aim of the present study was to explore factors influencing parents' decisions to adhere and persist with ADHD pharmacotherapy in children. METHOD Focus groups ( n = 3) were conducted with 16 parents recruited from metropolitan Sydney. Group discussions explored factors impacting on treatment initiation, continuation, and cessation. Focus groups were audio-recorded, transcribed verbatim, and thematically content analyzed. RESULTS Parents commenced and continued pharmacotherapy due to its positive impact on their child's behavior. Improvements in the child's academic performance and social interactions encouraged persistence with therapy. Parents elected to cease therapy after their children experienced side effects including appetite suppression, weight loss, and sleep disturbances. Concerns about long-term effects of ADHD medication use including potential for addiction and growth stunting, in addition to the stigma surrounding ADHD also contributed to parents ceasing treatment. CONCLUSION The findings highlight a need for the provision of accurate information about ADHD and its treatments to parents to empower their treatment decisions and promote adherence.
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Andrus CF. Attention-Deficit/Hyperactivity Disorder. PHYSICIAN ASSISTANT CLINICS 2016. [DOI: 10.1016/j.cpha.2016.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Affiliation(s)
- Alexander K C Leung
- Department of Paediatrics, Alberta Children's Hospital, University of Calgary, #200, 233-16th Avenue North West, Calgary, Alberta T2M 0H5, Canada.
| | - Kam Lun Hon
- Department of Paediatrics, Chinese University of Hong Kong, 6/F, Clinical Sciences Building, Prince of Wales Hospital, Shatin, Hong Kong, China
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Briars L, Todd T. A Review of Pharmacological Management of Attention-Deficit/Hyperactivity Disorder. J Pediatr Pharmacol Ther 2016; 21:192-206. [PMID: 27453697 DOI: 10.5863/1551-6776-21.3.192] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a common psychological diagnosis in children. This disorder impacts children and adolescents in all areas of life, including academic performance, extracurricular activities, and social interactions. ADHD can continue into adulthood where unemployment and substance abuse has been described. Although behavioral therapy is recommended for all patients with ADHD, medication management typically is initiated soon after diagnosis. Psychostimulants remain the primary medication of choice. This review focuses on the clinical use of psychostimulant medication in children and adolescents. The pharmacodynamic and pharmacokinetic differences between the newest long-acting formulations as well as commonly encountered adverse drug reactions, with suggested management strategies, will be highlighted. Non-stimulant therapy with atomoxetine or alpha2-adrenergic agonists is also reviewed. These agents may be warranted for patients who cannot tolerate psychostimulant therapy or have a comorbid condition. Finally, the 8-year multimodal treatment study results are also discussed.
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Affiliation(s)
- Leslie Briars
- Department of Pharmacy Practice, The University of Illinois at Chicago College of Pharmacy, Chicago, Illinois
| | - Timothy Todd
- Department of Pharmacy Practice, Midwestern University, Downers Grove, Illinois
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Hong SS, Cho SH. Treating attention deficit hyperactivity disorder with acupuncture: A randomized controlled trial. Eur J Integr Med 2016. [DOI: 10.1016/j.eujim.2015.11.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Iron Deficiency Parameters in Children and Adolescents with Attention-Deficit/Hyperactivity Disorder. Child Psychiatry Hum Dev 2016; 47:259-69. [PMID: 26092605 DOI: 10.1007/s10578-015-0562-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The aim of this study is to compare iron deficiency parameters in patients with stimulant-naive attention-deficit/hyperactivity disorder (ADHD) and healthy controls, to investigate whether there are differences among the ADHD presentations, and to evaluate the relationship between ADHD symptom severity and serum ferritin levels. In addition, ADHD-Predominantly Inattentive (ADHD-PI) patients with restrictive hyperactivity/impulsivity symptoms were evaluated as a separate group with "restrictive inattention presentation" (ADHD-Rest) and were compared with other groups. Patients with ADHD-Rest are typically defined as having six or more symptoms of inattention and fewer than three symptoms of hyperactivity/impulsivity. A total of 200 ADHD cases consisting of 100 ADHD-Combine (ADHD-C) and 100 ADHD-PI and a total of 100 healthy control cases were included in the study. The Schedule for Affective Disorders and Schizophrenia for School Age Children-Present and Lifetime Version was performed in a semi-structured interview during the diagnosis. The Turgay DSM-IV-Based Child and Adolescent Behavior Disorders Screening and Rating Scale, the Conners' Rating Scale-Revised: Long Form (Parent-Teacher) (CPRSR:L, CTRS-R:L) were used for clinical evaluation. Hemogram, serum iron, iron binding capacity and serum ferritin levels were assessed. There were no significant differences between the ADHD patients and the healthy control cases in terms of iron deficiency parameters. Further, there were no significant differences among the ADHD presentations in terms of the same parameters, nor were there any significant differences when the groups were examined after the identification of the ADHD-Rest. The CPRS-R:L Hyperactivity and the CTRS-R:L Hyperactivity scores were negatively correlated with serum ferritin level in the ADHD group. To our knowledge, our current study is the first to compare serum ferritin levels in ADHD-Rest with other presentations of ADHD, and included the largest number of patients that were classified by ADHD presentations. Elucidation of these findings is important for both the etiology and treatment of ADHD.
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Manos MJ, Caserta DA, Short EJ, Raleigh KL, Giuliano KC, Pucci NC, Frazier TW. Evaluation of the Duration of Action and Comparative Effectiveness of Lisdexamfetamine Dimesylate and Behavioral Treatment in Youth With ADHD in a Quasi-Naturalistic Setting. J Atten Disord 2015; 19:578-90. [PMID: 22930787 DOI: 10.1177/1087054712452915] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE This study compared the relative effects of three treatment conditions: long-acting stimulant medication (MED), behavior modification, and medication/behavioral treatments combined (COM) in children with ADHD. METHOD A total of 25 children, aged 6 to 12 years, received the three treatment conditions during a 7-week Summer Treatment Program in an alternating treatments design. Counselors completed behavioral ratings from 0.5 to 12.5 hr post dose, and parents completed nighttime ratings. RESULTS Ratings for SKAMP (Swanson, Kotkin, Agler, M-Flynn, and Pelham) and for following instructions indicated COM and MED improved symptoms over BEH treatment beginning 3 hr post dose (p = .008), with ratings maintained 12.5 hr post dose (p = .001 and .006). Results for frustration tolerance indicated significant improvement in all three conditions until 9 hr post dose. CONCLUSION MED and COM separated from BEH at 3 hr post dose, and sustained benefit was observed across the day for two of three measures. BEH appears to have an additive effect, extending the duration of frustration tolerance.
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Coelho LF, Barbosa DLF, Rizzutti S, Muszkat M, Bueno OFA, Miranda MC. Use of Cognitive Behavioral Therapy and Token Economy to Alleviate Dysfunctional Behavior in Children with Attention-Deficit Hyperactivity Disorder. Front Psychiatry 2015; 6:167. [PMID: 26635642 PMCID: PMC4659172 DOI: 10.3389/fpsyt.2015.00167] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 11/09/2015] [Indexed: 12/18/2022] Open
Abstract
Medication has proved highly efficacious as a means of alleviating general symptoms of attention-deficit hyperactivity disorder (ADHD). However, many patients remain functionally impaired by inappropriate behavior. The present study analyzed the use of cognitive behavioral therapy (CBT) with the Token-Economy (TE) technique to alleviate problem behavior for 25 participants with ADHD, all children (19 boys, mean age 10.11) on long-term methylphenidate medication, who were given 20 CBT sessions with 10 weeks of TE introduced as of session 5. Their ten most acute problem behaviors were selected and written records kept. On weekdays, parents recorded each inappropriate behavior and provided a suitable model for their actions. At weekly sessions, problem behaviors were counted and incident-free participants rewarded with a token. To analyze improvement (less frequent problem behavior), a list of 11 behavioral categories was rated: inattention, impulsivity, hyperactivity, disorganization, disobeying rules and routines, poor self-care, verbal/physical aggression, low frustration tolerance, compulsive behavior, antisocial behavior, lacking in initiative and distraction. Two CBT specialists categorized behaviors and an ADHD specialist ruled on discrepancies. Statistical analyses used were Generalized Estimating Equations with Poisson distribution and autoregressive order correlation structure. In the course of the sessions, problematic behaviors decreased significantly in seven categories: impulsiveness, hyperactivity, disorganization, disobeying rules and routine, poor self-care, low frustration tolerance, compulsive behaviors, and antisocial behaviors. Caregiver attitudes to children's inappropriate behavior were discussed and reshaped. As functional improvement was observed on applying TE for 10 weeks, this type of intervention may be useful as an auxiliary strategy combined with medication.
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Affiliation(s)
- Luzia Flavia Coelho
- Psychobiology Department, Universidade Federal de São Paulo , São Paulo , Brazil
| | | | - Sueli Rizzutti
- Psychobiology Department, Universidade Federal de São Paulo , São Paulo , Brazil
| | - Mauro Muszkat
- Psychobiology Department, Universidade Federal de São Paulo , São Paulo , Brazil
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Guney E, Uneri OS. Atomoxetine-induced hypomania-like symptoms in a preadolescent patient. J Child Adolesc Psychopharmacol 2014; 24:530-1. [PMID: 24494808 DOI: 10.1089/cap.2013.0112] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Esra Guney
- Ankara Pediatric & Pediatric Hematology Oncology Training and Research Hospital , Child and Adolescent Psychiatry Department, Ankara, Turkey
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Abstract
Pharmacotherapy of attention deficit-hyperactivity disorder (ADHD) is a well-established and effective treatment modality. However, ADHD medications are not without side effects. Understanding the prevalence of adverse events and effective management of risks associated with stimulants and other medications used to treat ADHD is central to broad applicability and effective treatment. This review discusses the literature on the prevalence of adverse events and management strategies employed. We searched online MEDLINE/PubMed and Cochrane databases for articles using several keywords relating to adverse events associated with ADHD medication management. We discuss the relevant data on the significance and prevalence of side effects and adverse events, highlight recent updates in the field, and suggest approaches to clinical management.
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Affiliation(s)
- Benjamin N Schneider
- Division of Child & Adolescent Psychiatry, UCLA Semel Institute for Neuroscience & Human Behavior, 760 Westwood Plaza, Suite 68-251A, Los Angeles, CA, 90024, USA,
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Harstad EB, Weaver AL, Katusic SK, Colligan RC, Kumar S, Chan E, Voigt RG, Barbaresi WJ. ADHD, stimulant treatment, and growth: a longitudinal study. Pediatrics 2014; 134:e935-44. [PMID: 25180281 PMCID: PMC4179095 DOI: 10.1542/peds.2014-0428] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/24/2014] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND AND OBJECTIVE There is ongoing concern that stimulant medications may adversely affect growth. In a sample of attention-deficit/hyperactivity disorder (ADHD) cases and controls from a population-based birth cohort, we assessed growth and the association between stimulant treatment and growth. METHODS Subjects included childhood ADHD cases (N = 340) and controls (N = 680) from a 1976 to 1982 birth cohort (N = 5718). Height and stimulant treatment information were abstracted from medical records and obtained during a prospective, adult follow-up study. For each subject, a parametric penalized spline smoothing method modeled height over time, and the corresponding height velocity was calculated as the first derivative. Peak height velocity (PHV) age and magnitude were estimated from the velocity curves. Among stimulant-treated ADHD cases, we analyzed height Z scores at the beginning, at the end, and 24 months after the end of treatment. RESULTS Neither ADHD itself nor treatment with stimulants was associated with differences in magnitude of PHV or final adult height. Among boys treated with stimulants, there was a positive correlation between duration of stimulant usage before PHV and age at PHV (r = 0.21, P = .01). There was no significant correlation between duration of treatment and change in height Z scores (r = -0.08 for beginning vs end change, r = 0.01 for end vs 24 months later change). Among the 59 ADHD cases treated for ≥3 years, there was a clinically insignificant decrease in mean Z score from beginning (0.48) to end (0.33) of treatment (P = .06). CONCLUSIONS Our findings suggest that ADHD treatment with stimulant medication is not associated with differences in adult height or significant changes in growth.
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Affiliation(s)
- Elizabeth B Harstad
- Division of Developmental Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | | | | | | | - Seema Kumar
- Pediatrics, Mayo Clinic, Rochester, Minnesota; and
| | - Eugenia Chan
- Division of Developmental Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Robert G Voigt
- Department of Pediatrics, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - William J Barbaresi
- Division of Developmental Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts;
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Alcantara LF, Warren BL, Parise EM, Iñiguez SD, Bolaños-Guzmán CA. Effects of psychotropic drugs on second messenger signaling and preference for nicotine in juvenile male mice. Psychopharmacology (Berl) 2014; 231:1479-92. [PMID: 24452697 PMCID: PMC5534174 DOI: 10.1007/s00213-014-3434-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 12/30/2013] [Indexed: 01/18/2023]
Abstract
RATIONALE A common treatment strategy for pediatric attention deficit/hyperactivity disorder (ADHD) and major depressive disorder (MDD) is combined methylphenidate (MPH) and fluoxetine (FLX). This has raised concerns because MPH + FLX treatment may have pharmacodynamic properties similar to cocaine, potentially increasing drug abuse liability. OBJECTIVES To examine the short- and long-term consequences of repeated vehicle, MPH, FLX, MPH + FLX, and cocaine treatment on gene expression in juvenile (postnatal days [PD] 20-34) and adult (PD 70-84) male mice. We further assessed whether juvenile drug treatment influenced subsequent sensitivity for nicotine in adulthood. METHODS Juvenile and adult C57BL/6J mice received vehicle, MPH, FLX, MPH + FLX, or cocaine twice-daily for 15 consecutive days. Mice were sacrificed 24 h or 2 months after the last drug injection to assess drug-induced effects on the extracellular signal-regulated protein kinase-1/2 (ERK) pathway within the ventral tegmental area. Subsequent sensitivity for nicotine (0.05, 0.07, and 0.09 mg/kg) was measured using the place-conditioning paradigm (CPP) 24 h and 2 months after juvenile drug exposure. RESULTS MPH + FLX, or cocaine exposure in juvenile mice increased mRNA expression of ERK2 and its downstream targets (CREB, cFos, and Zif268), and increased protein phosphorylation of ERK2 and CREB 2 months after drug exposure. Similar mRNA findings were observed in the adult-treated mice. Findings on gene expression 24 h following drug treatment were variable. Juvenile drug exposure increased preference for nicotine when tested in adulthood. CONCLUSIONS Early-life MPH + FLX, or cocaine exposure similarly disrupts the ERK pathway, a signaling cascade implicated in motivation and mood regulation, and increases sensitivity for nicotine in adulthood.
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Affiliation(s)
- Lyonna F Alcantara
- Department of Psychology and Program in Neuroscience, Florida State University, 1107 West Call Street, Tallahassee, FL, 32306, USA
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Ahmed R, Aslani P. Attention-deficit/hyperactivity disorder: an update on medication adherence and persistence in children, adolescents and adults. Expert Rev Pharmacoecon Outcomes Res 2014; 13:791-815. [DOI: 10.1586/14737167.2013.841544] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ahmed R, Borst JM, Yong CW, Aslani P. Do parents of children with attention-deficit/hyperactivity disorder (ADHD) receive adequate information about the disorder and its treatments? A qualitative investigation. Patient Prefer Adherence 2014; 8:661-70. [PMID: 24855342 PMCID: PMC4020896 DOI: 10.2147/ppa.s60164] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Attention-deficit/hyperactivity disorder (ADHD) is the most prevalent pediatric neurodevelopmental condition, commonly treated using pharmacological agents such as stimulant medicines. The use of these agents remains contentious, placing parents in a difficult position when deciding to initiate and/or continue their child's treatment. Parents refer to a range of information sources to assist with their treatment decision-making. This qualitative study aimed to investigate 1) parents' ADHD-related knowledge pre- and post-diagnosis, 2) the information sources accessed by parents, 3) whether parents' information needs were met post-diagnosis, and 4) parents' views about strategies to meet their information needs. METHODS Three focus groups (n=16 parents), each lasting 1.0-1.5 hours were conducted. Focus groups were audio-recorded and transcribed verbatim. Transcripts were analyzed using the framework method, coded, and categorized into themes. RESULTS Generally, parents had limited ADHD-related knowledge prior to their child's diagnosis and perceived prescription medicines indicated for ADHD in a negative context. Parents reported improved knowledge after their child's diagnosis; however, they expressed dissatisfaction with information that they accessed, which was often technical and not tailored to their child's needs. Verbal information sought from health care professionals was viewed to be reliable but generally medicine-focused and not necessarily comprehensive. Parents identified a need for concise, tailored information about ADHD, the medicines used for its treatment, and changes to their child's medication needs with age. They also expressed a desire for increased availability of support groups and tools to assist them in sourcing information from health care professionals during consultations, such as question prompt lists. CONCLUSION There are gaps in parents' knowledge about ADHD and its treatment, and an expressed need for tailored and reliable information. Future research needs to focus on providing parents with avenues to access concise, reliable, and relevant information and support in order to empower them to make the best treatment decision for their child.
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Affiliation(s)
- Rana Ahmed
- Faculty of Pharmacy, The University of Sydney, Sydney, NSW, Australia
- Correspondence: Rana Ahmed, Room N502, Pharmacy Building (A15), Faculty of Pharmacy, The University of Sydney, Sydney, NSW 2006, Australia, Tel +61 2 9114 0785, Fax +61 2 9351 4391, Email
| | - Jacqueline M Borst
- Department of Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands
| | - Cheng Wei Yong
- School of Pharmacy, The University of Nottingham, Nottingham, UK
| | - Parisa Aslani
- Faculty of Pharmacy, The University of Sydney, Sydney, NSW, Australia
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Setyawan J, Guérin A, Hodgkins P, Gauthier G, Cloutier M, Wu E, Erder MH. Treatment persistence in attention deficit/hyperactivity disorder: a retrospective analysis of patients initiated on lisdexamfetamine vs other medications. J Med Econ 2013; 16:1275-89. [PMID: 24004347 DOI: 10.3111/13696998.2013.839947] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To compare treatment persistence in attention-deficit/hyperactivity disorder (ADHD) of patients initiated on lisdexamfetamine (LDX) vs other ADHD medications. METHODS A large US administrative claims database was used to select ADHD patients who initiated an ADHD medication (index treatment) during/after 2007. Patients were classified, based on age and previous treatment status, as treatment-naïve or previously treated children and adolescents (6-17 years) and treatment-naïve or previously treated adults (18 years and older). Furthermore, patients were classified into seven mutually exclusive treatment groups, based on their index treatment: LDX, atomoxetine (ATX), osmotic-release methylphenidate hydrochloride long-acting (OROS MPH), other methylphenidate/dexmethylphenidate short-acting (MPH SA) and long-acting (MPH LA), and amphetamine/dextroamphetamine short acting (AMPH SA) and long-acting (AMPH LA). Treatment persistence, analyzed through discontinuation (interruption of the index treatment for ≥30 consecutive days), was compared between treatment groups using multivariate Cox proportional hazards. Patients were followed until first treatment discontinuation or up to 12 months after the initiation of the index treatment, whichever occurred first. RESULTS Among children and adolescents, LDX patients had a significantly lower discontinuation rate compared to other treatment groups (range hazard ratios [HRs]; 1.04-2.26; all p < 0.05), except when compared to treatment-naïve patients on ATX and OROS MPH, where no statistically significant differences were found and where LDX had a higher risk of discontinuation, respectively. Among adults, LDX patients had a significantly lower discontinuation rate compared to patients in other treatment groups (range HR; 1.14-1.86; all p < 0.05), except for the comparison with AMPH LA patients, where differences were not statistically significant. LIMITATIONS This study did not control for ADHD severity. CONCLUSION LDX-treated patients were associated with higher persistence compared to patients initiated on other ADHD medications, except for the comparisons with OROS MPH and ATX treated patients in treatment-naïve children and adolescents and AMPH LA-treated patients in adults.
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Badeleh MT. Attention Deficit Hyperactivity Disorder and Elementary Teachers awareness. JOURNAL OF MEDICAL SCIENCES 2013. [DOI: 10.3923/jms.2013.829.833] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Green EA, Raj V, Shibao CA, Biaggioni I, Black BK, Dupont WD, Robertson D, Raj SR. Effects of norepinephrine reuptake inhibition on postural tachycardia syndrome. J Am Heart Assoc 2013; 2:e000395. [PMID: 24002370 PMCID: PMC3835251 DOI: 10.1161/jaha.113.000395] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Background Postural tachycardia syndrome (POTS) is a disorder of chronic orthostatic intolerance accompanied by excessive orthostatic tachycardia. Patients with POTS commonly have comorbid conditions such as attention deficit hyperactivity disorder, depression, or fibromyalgia that are treated with medications that inhibit the norepinephrine reuptake transporter (NRI). NRI medications can increase sympathetic nervous system tone, which may increase heart rate (HR) and worsen symptoms in POTS patients. We sought to determine whether NRI with atomoxetine increases standing tachycardia or worsens the symptom burden in POTS patients. Methods and Results Patients with POTS (n=27) underwent an acute drug trial of atomoxetine 40 mg and placebo on separate mornings in a randomized, crossover design. Blood pressure (BP), HR, and symptoms were assessed while seated and after standing prior to and hourly for 4 hours following study drug administration. Atomoxetine significantly increased standing HR compared with placebo (121±17 beats per minute versus 105±15 beats per minute; P=0.001) in POTS patients, with a trend toward higher standing systolic BP (P=0.072). Symptom scores worsened with atomoxetine compared to placebo (+4.2 au versus −3.5 au; P=0.028) from baseline to 2 hours after study drug administration. Conclusion Norepinephrine reuptake inhibition with atomoxetine acutely increased standing HR and symptom burden in patients with POTS. Clinical Trials Registration URL: http://clinicaltrials.gov. Unique identifier: NCT00262470.
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Affiliation(s)
- Elizabeth A Green
- Autonomic Dysfunction Center, Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University, Nashville, TN
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Spencer TJ, Brown A, Seidman LJ, Valera EM, Makris N, Lomedico A, Faraone SV, Biederman J. Effect of psychostimulants on brain structure and function in ADHD: a qualitative literature review of magnetic resonance imaging-based neuroimaging studies. J Clin Psychiatry 2013; 74:902-17. [PMID: 24107764 PMCID: PMC3801446 DOI: 10.4088/jcp.12r08287] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Accepted: 04/19/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To evaluate the impact of therapeutic oral doses of stimulants on the brains of ADHD subjects as measured by magnetic resonance imaging (MRI)-based neuroimaging studies (morphometric, functional, spectroscopy). DATA SOURCES We searched PubMed and ScienceDirect through the end of calendar year 2011 using the keywords (1) psychostimulants or methylphenidate or amphetamine, and (2) neuroimaging or MRI or fMRI, and (3) ADHD or ADD or attention-deficit/hyperactivity disorder or attention deficit hyperactivity disorder. STUDY SELECTION We included only English language articles with new data from case-control or placebo controlled studies that examined attention-deficit/hyperactivity disorder (ADHD) subjects on and off psychostimulants (as well as 5 relevant review articles). DATA EXTRACTION We combined details of study design and medication effects in each imaging modality. RESULTS We found 29 published studies that met our criteria. These included 6 structural MRI, 20 functional MRI studies, and 3 spectroscopy studies. Methods varied widely in terms of design, analytic technique, and regions of the brain investigated. Despite heterogeneity in methods, however, results were consistent. With only a few exceptions, the data on the effect of therapeutic oral doses of stimulant medication suggest attenuation of structural and functional alterations found in unmedicated ADHD subjects relative to findings in controls. CONCLUSIONS Despite the inherent limitations and heterogeneity of the extant MRI literature, our review suggests that therapeutic oral doses of stimulants decrease alterations in brain structure and function in subjects with ADHD relative to unmedicated subjects and controls. These medication-associated brain effects parallel, and may underlie, the well-established clinical benefits.
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Affiliation(s)
- Thomas J. Spencer
- Massachusetts General Hospital, Clinical and Research Program in Pediatric Psychopharmacology, Boston, MA 02114,Harvard Medical School Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02129,Massachusetts General Hospital, Neuroimaging Program, Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Boston, MA 02114
| | - Ariel Brown
- Massachusetts General Hospital, Clinical and Research Program in Pediatric Psychopharmacology, Boston, MA 02114,Massachusetts General Hospital, Neuroimaging Program, Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Boston, MA 02114
| | - Larry J. Seidman
- Massachusetts General Hospital, Clinical and Research Program in Pediatric Psychopharmacology, Boston, MA 02114,Harvard Medical School Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02129,Massachusetts General Hospital, Neuroimaging Program, Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Boston, MA 02114,Harvard Medical School Departments of Neurology and Radiology Services, Center for Morphometric Analysis, Massachusetts General Hospital, Boston, MA 02129,MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA 02129,Harvard Medical School, Department of Psychiatry, Massachusetts Mental Health Center Public Psychiatry Division, Beth Israel Deaconess Medical Center, Boston, MA 02115
| | - Eve M. Valera
- Massachusetts General Hospital, Clinical and Research Program in Pediatric Psychopharmacology, Boston, MA 02114,Harvard Medical School Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02129,Massachusetts General Hospital, Neuroimaging Program, Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Boston, MA 02114,MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA 02129
| | - Nikos Makris
- Harvard Medical School Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02129,Massachusetts General Hospital, Neuroimaging Program, Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Boston, MA 02114,Harvard Medical School Departments of Neurology and Radiology Services, Center for Morphometric Analysis, Massachusetts General Hospital, Boston, MA 02129,MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA 02129
| | - Alexandra Lomedico
- Massachusetts General Hospital, Clinical and Research Program in Pediatric Psychopharmacology, Boston, MA 02114
| | - Stephen V. Faraone
- Departments of Psychiatry and of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, NY, 13210
| | - Joseph Biederman
- Massachusetts General Hospital, Clinical and Research Program in Pediatric Psychopharmacology, Boston, MA 02114,Harvard Medical School Department of Psychiatry, Massachusetts General Hospital, Boston, MA 02129,Massachusetts General Hospital, Neuroimaging Program, Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Boston, MA 02114
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Ambulatory Blood Pressure Monitoring in a Cohort of Children Referred with Suspected Hypertension: Characteristics of Children with and without Attention Deficit Hyperactivity Disorder. Int J Hypertens 2013; 2013:419208. [PMID: 23970957 PMCID: PMC3736467 DOI: 10.1155/2013/419208] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Accepted: 07/04/2013] [Indexed: 11/17/2022] Open
Abstract
Childhood hypertension's increasing prevalence has generally been linked to the obesity epidemic. We observed that a significant proportion of children referred to our pediatric center with documented office hypertension are nonobese and have a history of attention deficit hyperactivity disorder (ADHD). To define the extent of this anecdotal observation, we performed a retrospective analysis of ambulatory blood pressure monitoring (ABPM) tests which in our center are routinely performed in newly referred children suspected of hypertension. Twenty-one percent (48 of 227 new referrals) had a history of ADHD, and 81% of them were treated with psychostimulant medications at the time of their ABPM test. Children in this group had a significantly lower average BMI z-score compared with the rest of the children (0.18 versus 0.75) and were significantly more likely to have abnormally elevated wake systolic loads on ABPM (38% versus 4%). The overall proportion of children with any abnormality on ABPM was comparable in both groups (46% versus 40%). Conclusion. A significant proportion of children suspected of hypertension have ADHD which may be related to higher wake systolic BP values. The prevalence of hypertension among children with ADHD will have to be determined in prospective studies.
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Warikoo N, Faraone SV. Background, clinical features and treatment of attention deficit hyperactivity disorder in children. Expert Opin Pharmacother 2013; 14:1885-906. [PMID: 23865438 DOI: 10.1517/14656566.2013.818977] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Attention deficit hyperactivity disorder (ADHD) is an early onset, clinically heterogeneous, complex neurobiological disorder, defined by symptoms of inattention and hyperactivity/impulsivity and has been associated with a broad range of impairments for those affected. Additionally, ADHD in children and adolescents is frequently associated with psychiatric comorbidities. This review provides an overview of the epidemiology, neurobiology, genetics, diagnosis and most recent pharmacological approaches for treatment with a focus on safety and efficacy and describes the use of medications used to treat ADHD in special populations. AREAS COVERED PubMed, Cochrane database, Essential Evidence and Uptodate were searched for relevant articles about stimulant and non-stimulant pharmacological approaches in ADHD. EXPERT OPINION Data supporting the safety and efficacy of both stimulant and non-stimulant formulations have significantly grown over the past decade and more efforts are being made to tailor medications to the needs of the patients and their families. Pharmacogenomics research is evolving, but predictors of treatment response and side effects remain largely unknown. Other unmet clinical needs include long-term follow-up studies of the safety and efficacy of medications for those with ADHD alone, or with comorbidities and in special populations including preschoolers.
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Affiliation(s)
- Nisha Warikoo
- SUNY Upstate Medical University, Department of Psychiatry , 750 East Adams Street, Syracuse, NY 13210-2375 , USA
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Ahmed R, McCaffery KJ, Aslani P. Factors influencing parental decision making about stimulant treatment for attention-deficit/hyperactivity disorder. J Child Adolesc Psychopharmacol 2013; 23:163-78. [PMID: 23560602 DOI: 10.1089/cap.2012.0087] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Attention-deficit/hyperactivity disorder (ADHD) is a pediatric psychological condition commonly treated with stimulant medications. Negative media reports and stigmatizing societal attitudes surrounding the use of these medications make it difficult for parents of affected children to accept stimulant treatment, despite it being first line therapy. OBJECTIVE The purpose of this study was to identify factors that influence parental decision making regarding stimulant treatment for ADHD. METHODS A systematic review of the literature was conducted to identify studies: 1) that employed qualitative methodology, 2) that highlighted treatment decision(s) about stimulant medication, 3) in which the decision(s) were made by the parent of a child with an official ADHD diagnosis, and 4) that examined the factors affecting the decision(s) made. Individual factors influencing parental treatment decision making, and the major themes encompassing these factors, were identified and followed by a thematic analysis. RESULTS Eleven studies reporting on the experiences of 335 parents of children with ADHD were included. Four major themes encompassing influences on parents' decisions were derived from the thematic analysis performed: confronting the diagnosis, external influences, apprehension regarding therapy, and experience with the healthcare system. CONCLUSIONS The findings of this systematic review reveal that there are multiple factors that influence parents' decisions about stimulant therapy. This information can assist clinicians in enhancing information delivery to parents of children with ADHD, and help reduce parental ambivalence surrounding stimulant medication use. Future work needs to address parental concerns about stimulants, and increase their involvement in shared decision making with clinicians to empower them to make the most appropriate treatment decision for their child.
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Affiliation(s)
- Rana Ahmed
- Faculty of Pharmacy, The University of Sydney, New South Wales, Australia
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Olfson M, He JP, Merikangas KR. Psychotropic medication treatment of adolescents: results from the National Comorbidity Survey-Adolescent Supplement. J Am Acad Child Adolesc Psychiatry 2013; 52:378-88. [PMID: 23582869 PMCID: PMC3664537 DOI: 10.1016/j.jaac.2012.12.006] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Revised: 10/16/2012] [Accepted: 12/17/2012] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To examine the 12-month prevalence of psychotropic medication use among adolescents, and the match between mental disorder diagnoses and past-year antidepressant and stimulant use. METHOD Data are from the National Comorbidity Survey-Adolescent Supplement (2002-2004), a nationally representative survey of 10,123 adolescents aged 13 to 18 years that assesses DSM-IV disorders using a fully structured diagnostic interview, a modified version of the World Health Organization Composite International Diagnostic Interview (CIDI). Rates of 12-month psychotropic medication use are stratified by respondent socio-demographic characteristics, and the distribution of 12-month DSM-IV CIDI disorders is estimated among past-12-month use of antidepressants and stimulants. RESULTS During a 1-year period, 7.0% of adolescents used at least one psychotropic medication; these medications were most commonly antidepressants (3.9%), followed by stimulants (2.8%), anxiolytics (0.8%), antipsychotics (0.5%), and mood stabilizers (0.4%). Nearly three-quarters (74.1%) of adolescents with any past-year psychotropic medication use had at least one CIDI mental disorder, and many had disorders for which the specific medication class is clinically indicated. Among adolescents using antidepressants, 48.8% had a past-12-month depressive or anxiety disorder, and an additional 20.3% had a lifetime depressive or anxiety disorder. Nearly one-half (49.1%) of adolescents using stimulants met past-12-month attention-deficit/hyperactivity disorder (ADHD) criteria, and an additional 13.1% met lifetime criteria for ADHD. CONCLUSIONS Most adolescents who are treated with psychotropic medications have one or more psychiatric disorders and many, albeit far from all, have mental disorders for which the specific medications are clinically indicated.
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Affiliation(s)
- Mark Olfson
- New York State Psychiatric Institute and Columbia University, USA
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Lempp T, Toennes SW, Wunder C, Russe OQ, Möser CV, Kynast KL, Freitag CM, Niederberger E. Altered gene expression in the prefrontal cortex of young rats induced by the ADHD drug atomoxetine. Prog Neuropsychopharmacol Biol Psychiatry 2013; 40:221-8. [PMID: 22960082 DOI: 10.1016/j.pnpbp.2012.08.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Revised: 08/23/2012] [Accepted: 08/23/2012] [Indexed: 01/03/2023]
Abstract
Atomoxetine (ATX), a selective norepinephrine reuptake inhibitor, is a non-stimulant approved for the treatment of attention deficit/hyperactivity disorder (ADHD). Little is known about the molecular basis for its therapeutic effect. The objective of this animal study was to determine alterations in gene expression patterns in the prefrontal cortex after long-term administration of atomoxetine. Rats were treated for 21 days during childhood and early adolescent stages of development with a once-daily oral application of 0.05 g/kg atomoxetine, which resulted in plasma levels similar to those described in children. A whole genome RNA-microarray of rat prefrontal cortical gene expression after administration of atomoxetine versus sterile water revealed an mRNA increase in 114 genes (≥2-fold) while 11 genes were down-regulated (≤0.5-fold). By applying quantitative real-time PCR (qRT-PCR) and Western Blot we confirmed a significant increase in the expression of GABA A receptor subunits as well as ubiquinol-cytochrome c reductase complex core protein 2 (Uqcrc2). SNAP-25 (synaptosomal-associated protein of 25 kDa), which is an ADHD candidate gene and an important vesicle protein involved in axonal growth, synaptic plasticity and regulation of neurotransmitter release was also significantly upregulated on RNA- and protein level after atomoxetine treatment. In summary, we could show that long-term treatment with the ADHD drug atomoxetine induces the regulation of several genes in the prefrontal cortex of young rats. Especially the increased expression of SNAP-25 and GABA-A receptor subunits may indicate additional active therapeutic mechanisms for atomoxetine.
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Affiliation(s)
- Thomas Lempp
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Goethe University Hospital Frankfurt, Deutschordenstrasse 50, 60528 Frankfurt am Main, Germany
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Shier AC, Reichenbacher T, Ghuman HS, Ghuman JK. Pharmacological treatment of attention deficit hyperactivity disorder in children and adolescents: clinical strategies. J Cent Nerv Syst Dis 2012; 5:1-17. [PMID: 23650474 PMCID: PMC3616598 DOI: 10.4137/jcnsd.s6691] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Attention deficit hyperactivity disorder (ADHD) is a common neurobehavioral disorder of childhood that can result in significant functional impairment, and if not adequately treated can lead to impaired quality of life. Pharmacotherapy is considered the first-line treatment for ADHD in children and adolescents. We review both recent literature and seminal studies regarding the pharmacological treatment of ADHD in children and adolescents. There is ample evidence for the efficacy and safety of both stimulants and non-stimulants in the treatment of ADHD. We review important aspects of evaluation and assessment and discuss first-line pharmacological treatments and as well as when to consider using alternative pharmacological agents. Treatment approaches to manage frequently seen comorbid disorders with ADHD are also covered.
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Angriman M, Bruni O, Cortese S. Does Restless Legs Syndrome increase cardiovascular risk in Attention-Deficit/Hyperactivity Disorder? Med Hypotheses 2012; 80:39-42. [PMID: 23111202 DOI: 10.1016/j.mehy.2012.10.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Revised: 09/11/2012] [Accepted: 10/05/2012] [Indexed: 01/10/2023]
Abstract
Preliminary evidence suggests a possible association between Attention-Deficit/Hyperactivity Disorder and Restless Legs Syndrome with or without Periodic Limb Movements during Sleep. When comorbid, Restless Legs Syndrome/Periodic Limb Movements during Sleep might aggravate Attention-Deficit/Hyperactivity Disorder symptoms. Pharmacological treatment of Attention-Deficit/Hyperactivity Disorder may be associated, at least in some cases, with adverse cardiovascular events, including clinically significant elevation in heart rate and systemic blood pressure. However, the characteristics of patients with Attention-Deficit/Hyperactivity Disorder at risk for cardiovascular events during pharmacological treatment are poorly understood. Here, we hypothesize that Restless Legs Syndrome and/or Periodic Limb Movements during Sleep comorbid with Attention-Deficit/Hyperactivity Disorder increase cardiovascular risk via imbalance in activity of the autonomic nervous system. Such an imbalance of the could be related to alterations of sleep microarchitecture also detected by cyclic alternating pattern analysis. If empirical studies confirm our hypothesis, the clinician would be advised to systematically screen for and effectively treat Restless Legs Syndrome/Periodic Limb Movements during Sleep even before starting treatment with Attention-Deficit/Hyperactivity Disorder drugs. The management of Restless Legs Syndrome/Periodic Limb Movements during Sleep might reduce cardiovascular risk during pharmacological treatment of Attention-Deficit/Hyperactivity Disorder.
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Affiliation(s)
- Marco Angriman
- Child Neurology and Neurorehabilitation Unit, Department of Pediatrics, Central Hospital of Bolzano, Italy.
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Parisi P, Villa MP, Donfrancesco R, Miano S, Paolino MC, Cortese S. Could treatment of iron deficiency both improve ADHD and reduce cardiovascular risk during treatment with ADHD drugs? Med Hypotheses 2012; 79:246-9. [DOI: 10.1016/j.mehy.2012.04.049] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Accepted: 04/16/2012] [Indexed: 12/19/2022]
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Minzenberg MJ. Pharmacotherapy for attention-deficit/hyperactivity disorder: from cells to circuits. Neurotherapeutics 2012; 9:610-21. [PMID: 22718077 PMCID: PMC3441935 DOI: 10.1007/s13311-012-0128-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a highly prevalent disorder of childhood and adulthood, with a considerable impact on public health. There is a substantial pharmacopoeia available for safe and effective treatment of ADHD, and newly available agents diversify the treatment options. With the burgeoning scientific literature addressing the genetic, neurochemical, and neural systems basis for this condition, increasing attention is directed at establishing the neural basis for the efficacy of existing treatments. ADHD remains the only highly prevalent, nondegenerative neuropsychiatric disorder for which effective medications remediate the principal cognitive disturbances in concert with clinical efficacy. Therefore, deeper insight into the neural mechanisms of cognitive remediation may serve to advance treatment development not only in ADHD, but across a wide range of neuropsychiatric disorders in which cognitive dysfunction is a cardinal feature and a strong predictor of clinical outcome. To date, all effective medications for ADHD act on 1 or both of the major catecholamine neurotransmitter systems in the brain. These 2 systems, which arise from subcortical nuclei and use norepinephrine (NE) or dopamine (DA) as transmitters, exert strong modulatory effects on widely distributed cortical-subcortical neural circuits, with important effects on cognition, mood, and behavior, in both health and illness. The present review outlines the actions of ADHD medications from subcellular effects to effects on neural systems and cognition in ADHD patients. This is a very active area of investigation at all phases of the translational cycle, and near-term work is poised to firmly link cellular neuropharmacology to large-scale effects, and point the way toward advances in treatment.
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Affiliation(s)
- Michael J Minzenberg
- Department of Psychiatry, Davis School of Medicine, University of California, Sacramento, CA 95817, USA.
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Masi G, Gagliano A, Siracusano R, Berloffa S, Calarese T, Ilardo G, Pfanner C, Magazù A, Cedro C. Aripiprazole in children with Tourette's disorder and co-morbid attention-deficit/hyperactivity disorder: a 12-week, open-label, preliminary study. J Child Adolesc Psychopharmacol 2012; 22:120-5. [PMID: 22375853 DOI: 10.1089/cap.2011.0081] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Tourette's disorder (TD) in children and adolescents is frequently co-morbid with attention-deficit/hyperactivity disorder (ADHD). Dopamine-blockers are the first line treatment for TD, whereas dopamine-agonists, such as stimulants, are the gold-standard in the treatment of ADHD. These contrasting effects supported concerns about the risk that stimulants for treating ADHD may trigger or worsen co-morbid tics. Aripiprazole, a partial dopamine agonist, acts as an antagonist at dopamine D2 receptors in hyperdopaminergic conditions and displays agonist properties under hypodopaminergic conditions. The present study describes the use of aripiprazole (10.0 ± 4.8 mg/day) in a consecutive group of 28 patients with a primary diagnosis of TD and co-morbid ADHD, combined subtype. The Yale Global Tic Severity Scale (YGTSS) and the ADHD-Rating Scale (ADHD-RS-IV) were used as primary outcome measures and both significantly improved (p<0.001) after the treatment. Global measures of severity (Clinical Global Impressions-Severity) and of functional impairment (Children's Global Assessment Scale) also significantly improved during the treatment (p<0.001). At the YGTSS there was a reduction of 42.5%, in motor tics, of 47.9% in phonic tics (44.7% for the combined scores), and of 32.3% in tic impairment. Nineteen patients (67.9%) had a reduction of at least 50% of the YGTSS score (motor+phonic tics). The improvement at the ADHD-RS-IV score was 22.5%, 12 patients (42.8%) presented an improvement of 30%, but only 2 (7.1%) an improvement greater than 50%. Using a logistic regression model, a reduction of at least 30% in ADHD-RS-IV score was more likely to occur in the obsessive-compulsive disorder co-morbid group. Aripiprazole was well tolerated and none of the patients discontinued medication because of side effects. In summary, aripiprazole resulted in an effective treatment for TD, but it was only moderately effective on co-occurring ADHD symptomatology. Our preliminary data suggest that aripiprazole may represent a possible therapeutic option, among other possible monotherapies addressing both tics and ADHD.
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Affiliation(s)
- Gabriele Masi
- IRCCS Stella Maris, Scientific Institute Child Neurology and Psychiatry, Calambrone, Pisa, Italy.
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Millan Sanchez M, Heyn SN, Das D, Moghadam S, Martin KJ, Salehi A. Neurobiological elements of cognitive dysfunction in down syndrome: exploring the role of APP. Biol Psychiatry 2012; 71:403-9. [PMID: 21945306 DOI: 10.1016/j.biopsych.2011.08.016] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Revised: 08/05/2011] [Accepted: 08/25/2011] [Indexed: 02/02/2023]
Abstract
Down syndrome (DS) is the most common cause of cognitive dysfunction in children. Additionally, most adults with DS will eventually show both clinical and neuropathologic hallmarks of Alzheimer's disease (AD). The hippocampal formation constitutes the primary target for degeneration in both AD and DS. Over the past few years, we have studied the molecular mechanisms behind degeneration of this region and its major inputs in mouse models of DS. Our investigation has suggested that the loss of hippocampal inputs, particularly cholinergic and noradrenergic terminals, leads to de-afferentation of this region in the Ts65Dn mouse model of DS. Interestingly, we were able to link the overexpression of amyloid precursor protein (App) gene to degeneration of cholinergic and noradrenergic neurons in DS mouse models. We examined the underlying mechanisms of degeneration of multiple systems with extensive projections to the hippocampus in DS and its mouse models and the role of App overexpression in neurodegeneration. Understanding mechanisms behind hippocampal dysfunction has helped us to test several therapeutic strategies successfully in mouse models of DS. Here we review these strategies and mechanisms and discuss ways to translate our findings into possible interventions in humans.
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Affiliation(s)
- Martha Millan Sanchez
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, California, USA
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Abstract
At present, no evidence-based effective pharmacologic options are available for treating the core deficits of autism spectrum disorders (ASDs), which are best addressed by behavioral and educational interventions. However, such evidence exists for several of the frequently associated/comorbid symptoms such as aggression and severe irritability, hyperactivity, and repetitive behaviors, which can become a major source of additional distress and interference in functioning. This article offers information on the psychopharmacology of ASD that is current, relevant, and organized in a user-friendly manner, to form a concise but informative reference guide for primary pediatric clinicians.
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Affiliation(s)
- Gabriel Kaplan
- Department of Psychiatry, Hoboken University Medical Center, 308 Willow Avenue, Hoboken, NJ 07030, USA.
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Johnson RJ, Gold MS, Johnson DR, Ishimoto T, Lanaspa MA, Zahniser NR, Avena NM. Attention-deficit/hyperactivity disorder: is it time to reappraise the role of sugar consumption? Postgrad Med 2011; 123:39-49. [PMID: 21904085 DOI: 10.3810/pgm.2011.09.2458] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) affects nearly 10% of children in the United States, and the prevalence of this disorder has increased steadily over the past decades. The cause of ADHD is unknown, although recent studies suggest that it may be associated with a disruption in dopamine signaling whereby dopamine D2 receptors are reduced in reward-related brain regions. This same pattern of reduced dopamine-mediated signaling is observed in various reward-deficiency syndromes associated with food or drug addiction, as well as in obesity. While genetic mechanisms are likely contributory to cases of ADHD, the marked frequency of the disorder suggests that other factors are involved in the etiology. In this article, we revisit the hypothesis that excessive sugar intake may have an underlying role in ADHD. We review preclinical and clinical data suggesting overlaps among ADHD, sugar and drug addiction, and obesity. Further, we present the hypothesis that the chronic effects of excessive sugar intake may lead to alterations in mesolimbic dopamine signaling, which could contribute to the symptoms associated with ADHD. We recommend further studies to investigate the possible relationship between chronic sugar intake and ADHD.
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Affiliation(s)
- Richard J Johnson
- Division of Renal Diseases and Hypertension, University of Colorado Denver, Denver, CO 80045, USA.
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