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Featured researches published by Thomas Spencer.


Journal of the American Academy of Child and Adolescent Psychiatry | 1993

Desipramine treatment of children with attention-deficit hyperactivity disorder and tic disorder or Tourette's syndrome.

Thomas Spencer; Joseph Biederman; Karen Kerman; Ronald J. Steingard; Timothy E. Wilens

OBJECTIVEnAs many as 50% of patients with Tourettes syndrome (TS) also meet diagnostic criteria for attention-deficit hyperactivity disorder (ADHD). Since antipsychotics are of limited value in controlling the symptoms of ADHD and stimulants can exacerbate tics, alternative treatments are directly needed. The purpose of this study was the examination of the efficacy of desipramine (DMI) in the treatment of pediatric patients with chronic tic disorder (CTD; TS or chronic motor tics) + attention-deficit hyperactivity disorder (ADHD).nnnMETHODnAll pediatric patients with the diagnosis of CTD that were treated with DMI were ascertained from retrospective systematic chart reviews of a psychopharmacology clinic and a neurology service specialized in movement disorders.nnnRESULTSnOf the 33 identified patients, 30 had comorbid CTD + ADHD and three had CTD alone. In all, 82% had significant improvement in CTD symptomatology and 80% significantly improved ADHD symptoms without major adverse effects over an average follow-up period of 16 months.nnnCONCLUSIONSnAlthough the conclusions from this retrospective report can be seen as preliminary only until replicated in a controlled investigation, the magnitude and persistence of the response is encouraging and suggest a therapeutic role for DMI in the treatment of CTD + ADHD patients.


Journal of the American Academy of Child and Adolescent Psychiatry | 1993

Comparison of clonidine response in the treatment of attention-deficit hyperactivity disorder with and without comorbid tic disorders

Ronald J. Steingard; Joseph Biederman; Thomas Spencer; Timothy E. Wilens; Aleida Gonzalez

OBJECTIVEnClonidine has been suggested as an alternative pharmacotherapy for patients with attention-deficit hyperactivity disorder (ADHD) and comorbid tic disorders. To examine the efficacy of clonidine in this population of children, the use of clonidine in the treatment of children with ADHD with and without comorbid tic disorders was examined in a retrospective chart review of 54 children over a 4-year period.nnnMETHODnTreatment was administered openly to these patients in a Pediatric Psychopharmacology Clinic, and response was assessed using clinical global improvement measures.nnnRESULTSnClonidine treatment resulted in improvement in both the ADHD (39/54; 72%) and tic symptoms (18/24; 75%) groups. The findings suggested that the children with ADHD with comorbid tic disorders (23/24; 96%) have a more frequent positive behavioral response to clonidine than children with ADHD without comorbid tic disorders (16/30; 53%).nnnCONCLUSIONSnThis report provides further support of a role for clonidine in the treatment of children with ADHD, particularly for those with comorbid tic disorders.


Neurology: Clinical Practice | 2018

Sport concussion and attention deficit hyperactivity disorder in student athletes: A cohort study

Mary Alexis Iaccarino; Maura Fitzgerald; Alexa Pulli; K. Yvonne Woodworth; Thomas Spencer; Ross Zafonte; Joseph Biederman

Background Attention deficit hyperactivity disorder (ADHD) is associated with impulsive behavior and inattention, making it a potential risk factor for sport-related concussion (SRC). The objectives of this study were to determine whether ADHD is an antecedent risk factor for SRC and whether ADHD complicates recovery from SRC in youth athletes. Methods Student athletes with a history of SRC were evaluated for the presence of ADHD using diagnostic interview and to determine whether ADHD symptoms began before or after SRC. Concussion-specific measures of concussive symptoms and cognitive function were compared in SRC + ADHD and SRC + No ADHD groups to assess SRC recovery between groups. Results ADHD was overrepresented in youth with SRC compared with population rates. ADHD was found to be an antecedent risk factor for SRC, with age at ADHD onset earlier than the date of SRC. Student athletes with SRC and ADHD reported more concussive symptoms compared with athletes without ADHD and were more likely to have a history of greater than one concussion. Conclusions The results of this study support our hypothesis that ADHD is an antecedent risk factor for SRC and may contribute to a more complicated course of recovery from SRC. Future research should focus on determining whether screening, diagnosis, and treating ADHD in youth athletes may prevent SRC. Providers that care for youth athletes with ADHD should be aware of the vulnerabilities of this population toward SRC and its complications.


Archive | 2011

ADHD in Adults: The prevalence and correlates of adult ADHD

Ronald C. Kessler; Leonard A. Adler; Russell A. Barkley; Joseph Biederman; C. Keith Conners; Laurence L. Greenhill; Thomas Spencer


Journal of Brain Sciences | 2015

Evidence of A Pharmacological Dissociation Between The Robust Effects of Methylphenidate on Adhd Symptoms and Weaker Effects on Working Memory

Joseph Biederman; James Chan; Thomas Spencer; K. Yvonne Woodworth; Tara Kenworthy; Ronna S. Fried; Pradeep G. Bhide; Stephen V. Faraone


Archive | 2011

ADHD in Adults: Stimulant treatment of adult ADHD

Thomas Spencer; Joseph Biederman


Archive | 2009

Medications Used for Attention-Deficit/Hyperactivity Disorder

Thomas Spencer; Joseph Biederman; Timothy E. Wilens


Society of Nuclear Medicine Annual Meeting Abstracts | 2012

Effects of DAT gene polymorphisms and ADHD status on DAT binding measured with PET

Ali Bonab; Thomas Spencer; Bertha K. Madras; Darin Dougherty; Joseph Biederman; Alan Fischman


Society of Nuclear Medicine Annual Meeting Abstracts | 2010

A PET study examining the dopaminergic activity of armodafinil in healthy adults using PET with 11C Altropane and 11C Raclopride

Ali Bonab; Alan Fischman; Eli Livni; Bertha K. Madras; Darin Dougherty; Thomas Spencer


Society of Nuclear Medicine Annual Meeting Abstracts | 2008

Time course of dopamine transporter (DAT) occupancy of a long-acting formulation of dexmethylphenidate

Alan Fischman; Thomas Spencer; Joseph Biederman; Arash Kardan; E. Livni; Ali Bonab; Peter C. Meltzer

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Alan Fischman

Shriners Hospitals for Children

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Darin Dougherty

Massachusetts Institute of Technology

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