ADHD Prescription Medications and Their Effect on Athletic Performance: A Systematic Review and Meta-analysis

Background Stimulant medications used for the treatment of Attention Deficit-Hyperactivity Disorder (ADHD) are believed to provide a physical advantage in athletics, but several of these medications are not regulated by the World Anti-Doping Association. Given the prevalence of ADHD among the athlete population and concern for abuse of ADHD medications, this review and meta-analysis aimed to evaluate effects of ADHD medications on athletic performance, thereby appraising the validity of claims of performance enhancement. Methods A search of MEDLINE, Embase, CINAHL, and Cochrane Review databases was performed for all randomized controlled trials evaluating athletic performance after ingestion of placebo or ADHD treatment medications from August 2020 through November 2020. All RCTs identified from these search criteria were included for screening, with exclusion of any animal studies. Two reviewers (JB, CK) assessed methodological quality and risk of bias using CONSORT 2010 and Cochrane Collaboration tools. Study results were compiled with corresponding p values for each finding. Effect sizes (Cohen’s D) for athletic performance and physiological changes were aggregated for each study. Studies were further screened for homogeneity that would allow for meta-analysis. Heterogeneity was calculated using I2. Results A total of 13,033 abstracts evaluating amphetamine, methamphetamine, methylphenidate, and bupropion were screened. The final analysis included nine studies, six of which found significant improvement in athletic performance with use of stimulant medications (p < 0.05). Methylphenidate and amphetamine were consistently identified to have a performance effect. Secondary effects identified included significant increase in heart rate, core temperature, and elevation of various serum hormone levels (p < 0.05). Effect size evaluation found seven studies demonstrating small to large effects on physical performance, as well as in categories of cardiometabolic, temperature, hormone, and ratings of perceived exertion, to varying degrees. A meta-analysis was performed on two studies, demonstrating conflicting results. Conclusions Dopaminergic/noradrenergic agonist medications appear to have a positive effect on athletic performance, as well as effects on physiological parameters. Further consideration of medications currently not regulated, i.e. bupropion, is warranted given evidence of athletic performance enhancement. PROSPERO trial registration number: CRD42020211062; 10/29/2020 retrospectively registered.

A guide to specific medicines

There are many different medications used for ADHD, and these should only be prescribed by a medical specialist experienced in this field. Many children with ADHD do not need to take their medication every day of the week. The availability of long-acting medication means that most children with ADHD do not need to take medication at school. This chapter presents a detailed guide to specific medicines for ADHD, including short-acting stimulant medicines (Ritalin, Focalin, dexamphetamine, and Adderall IR), long-acting stimulant medications (Concerta, Ritalin LA, Focalin XR, Daytrana, Adderall XR, Metadate CD, and Vyvanse), and non-stimulant medications (imipramine [Tofranil], Clonidine, guanfacine [Intuniv], and atomoxetine [Strattera]).

Stimulant Therapy Utilization for Neurocognitive Deficits in Mild Traumatic Brain Injury

Context: There are 3.8 million mild traumatic brain injuries (mTBIs) that occur each year in the United States. Many are left with prolonged life-altering neurocognitive deficits, including difficulties in attention, concentration, mental fatigue, and distractibility. With extensive data on the safety and efficacy of stimulant medications in treating attention deficit, concentration difficulties and distractibility seen with attention deficit disorder, it is not surprising that interest continues regarding the application of stimulant medications for the persistent neurocognitive deficits in some mTBIs. Evidence Acquisition: Studies were extracted from PubMed based on the topics of neurocognitive impairment, mTBI, stimulant use in mTBI, stimulants, and the association between attention deficit/hyperactivity disorder and mTBI. The search criteria included a date range of 1999 to 2020 in the English language. Study Design: Literature review. Level of Evidence: Level 4. Results: Currently, there is very limited literature, and no guidelines for evaluating the use of stimulant medication for the treatment of prolonged neurocognitive impairments due to mTBI. However, a limited number of studies have demonstrated efficacy and safety of stimulants in the treatment of neurocognitive sequelae of mTBI in the adult, pediatric, military, and athletic populations. Conclusion: There is limited evidence to suggest stimulant medication may be beneficial in patients with mTBI with persistent neurocognitive symtpoms. The decision to utilize stimulant medication for mTBI patients remains physician and patient preference dependent. Given the limited encouraging data currently available, physicians may consider stimulant medication in appropriate patients to facilitate the recovery of prolonged neurocognitive deficits, while remaining cognizant of potential adverse effects.

Alertness in patients with treatment-resistant depression: interface between sleep medicine and psychiatry—review article

Background Treatment-resistant depression (TRD) is a significant problem in clinical practice and reason for the lack of functional recovery among depressed patients. Sleep disturbances and poor alertness are common residual symptoms. Main body of the abstract Many patients with refractory depression experience residual symptoms, such as insomnia, daytime sleepiness, and poor alertness. This is a literature review and we searched the electronic databases, including PubMed, the Cochrane database, Ovid MEDLINE, PsycINFO, and Google Scholar of all studies published between 2000 and 2020. The literature on the relationship between sleep quality and alertness in a patient with depression is very sparse. One possible reason could be the difficulty in defining alertness as a mental function. Alertness itself has been described as a state of responsivity to both interoceptive and external stimuli. Subjective and objective measures of alertness, daytime somnolence, and quality of sleep are presented. Adjunctive treatment with stimulant medications (methylphenidate, amphetamine, modafinil) to the standard antidepressant medications might be warranted in patients in patients with daytime sleepiness, decreased alertness, fatigue, and poor work performance. Short conclusion Patients with treatment-resistant depression usually suffer from poor quality of sleep and decreased alertness. Stimulant medications may help with alertness, daily functioning, and work performance.

A question of information mismatch in the SPC and PIL on the effect of ADHD stimulant medications on tourette's syndrome

AimsTo assess the quality of information provided by pharmaceutical companies to patients and doctors regarding the impact of stimulant medications indicated for the treatment of Attention Deficit Hyperactive Disorder (ADHD) on Tourette's syndrome(TS) and tics in children and its implication on treatment.BackgroundIt is estimated that between 35% to 90% of TS patients also have ADHD. However, there remains a pervasive belief that the use of stimulants to treat ADHD symptoms in children with comorbid tic disorders is contraindicated because of concerns about possible tic exacerbation. Recent studies has disproved this, which is reflected in United Kingdom(UK) and European ADHD and TS guidelines. Pharmaceutical companies are legally required to provide a Summary of Product Characteristic (SPC) and Patient Information Leaflet (PIL) for each medicine as it is an integral part of the marketing authorisation approval. The SPC contains vital information for the usage and prescription of a drug for use by healthcare professionals. The PIL included in the medication packaging is a patient-friendly version of the SPC.MethodThe available stimulant medications licenced for use in paediatric patients with ADHD in the UK were identified through the Medicines & Healthcare products regulatory Agency (MHRA) website. The SPC and PIL were then accessed from the Electronic Medicines Compendium (EMC) website. Those not on the site were obtained directly from the marketing authorisation holder. Any direct mention of tics or Tourette's in the contraindication, warning and caution, or side effect section were documented. The information was then tabulated and compared.ResultOf the three stimulant drug types, 17 variations are currently available for use in the UK. There were inconsistencies found between the SPC and PIC in reference to the impact of these drugs on tics and TS in all 17 licensed medication. Most discrepancy was found in regard to TS as a side effect (16/17) and also tics (15/17). TS is also listed as a contraindication in the SPC and PIL for all available variety of Dexamphetamine class drugs. This is inconsistent with current clinical evidence and guidelines.ConclusionThe disparities in information regarding the impact of stimulant medications on tics and TS can have wide ranging effects. Outcomes could include poor patient adherence, or prevention of initiation of potentially beneficial treatment. It would benefit to standardize the information between these two documents to minimize inconsistencies in understanding between doctor and patient.

Drug Treatments

This chapter describes the use of medication in alleviating the problems of young people with neurodevelopmental disorders. It gives special emphasis to its use in multiple overlapping conditions and to the long-term impact on functioning. Stimulant and non-stimulant medications for the control of inattention and hyperactivity are reviewed. Antipsychotics for control of agitation and aggression, as well as for the treatment of psychosis, are considered. Pharmacological management of mood and anxiety problems is covered in the context of people with neurodevelopmental disorders. Control of tics, other movement disorders, and sleep problems are included. Practical considerations of prescribing are covered, and cautions about safety include descriptions of adverse events and how to reduce them.

Pharmacotherapy for Comorbid Adult Attention-Deficit Hyperactivity Disorder and Stimulant Dependence: A Systematic Review

Comorbid adult attention-deficit hyperactivity disorder (ADHD) and stimulant dependence is widely recognized, but efficacy of pharmacotherapy in this patient population is not well established. We aimed to review whether pharmacotherapy is efficacious in reducing ADHD symptoms and stimulant use in comorbid adult ADHD and stimulant use disorder. English articles until June 2017 were systematically searched in electronic databases (MEDLINE and PsycINFO), an online clinical trials register (ClinicalTrial.gov), and through hand-search of article references. Randomized, double-blind, placebo-controlled trials that studied efficacy of pharmacotherapy in adults with comorbid ADHD and stimulant dependence were included. Two reviewers assessed studies for inclusion and extracted data; disagreements were resolved by consensus. Study outcomes included were changes in ADHD symptom severity, substance abstinence, treatment retention rates and safety. From the 1394 records identified, five trials (n=358) were included. Four studies involved methylphenidate; in another study extended-release mixed amphetamine were used. The comorbid stimulant was cocaine in three studies, and amphetamines in the rest. All were short-term studies involving predominantly young male adults conducted in outpatient settings. There is early promising but mixed evidence for therapeutic efficacy in improving ADHD symptoms. Stimulant medications did not worsen stimulant dependence or adverse effects of stimulant medications. Side effects were mild and tolerable. High attrition rates and small sample size limited the generalizability of findings. Current limited evidence suggests that stimulant treatment for comorbid adult ADHD and stimulant dependence is feasible. Welldesigned trials with adequate power are needed for more robust evidence on ADHD and stimulant use outcomes.