| Not Yet Recruiting | Virtual Reality Supported Rehabilitation for Children's Executive and Metaphonological Skills NCT07426289 | IRCCS Centro Neurolesi Bonino Pulejo | N/A |
| Not Yet Recruiting | Effects of Probiotics on the Gut-brain Axis in Children NCT07459699 | Probi AB | N/A |
| Enrolling By Invitation | Mindfulness ADHD Intervention NCT07037030 | Boston Children's Hospital | N/A |
| Not Yet Recruiting | Treating Young Children With Attention Deficit Hyperactivity Disorder NCT07300956 | Children's Hospital Medical Center, Cincinnati | Phase 4 |
| Recruiting | The TEAM Study - Treatment Efficacy for Autism/Attention Using Mixed Amphetamine NCT06853665 | Gagan Joshi | Phase 4 |
| Not Yet Recruiting | The ADHD Kids´ Study for Children 9-12 Years of Age NCT07379359 | University of Iceland | N/A |
| Recruiting | Methylphenidate to Address Attention and Executive Deficits Among Children With Sickle Cell Disease NCT07226219 | St. Jude Children's Research Hospital | Phase 1 |
| Not Yet Recruiting | Finding Alternatives to Standard Treatment for Attention-Deficit Hyperactivity Disorder NCT04532190 | University of Calgary | N/A |
| Not Yet Recruiting | Effectiveness of Manual Therapy in the Treatment of Attention Deficit Hyperactivity Disorder NCT07029425 | JJ JIMENEZ-REJANO | N/A |
| Recruiting | L-theanine and Paraxanthine for Cognitive Improvement in Adults With ADHD and ASD NCT07189442 | Texas Tech University Health Sciences Center | N/A |
| Not Yet Recruiting | Transcranial Photobiomodulation With Multiple Interventions in Children With Attention-Deficit/Hyperactivity D NCT07154732 | Qilu Hospital of Shandong University | N/A |
| Recruiting | A Long-term Trial of EB-1020 in Pediatric Patients With ADHD NCT07087327 | Otsuka Pharmaceutical Co., Ltd. | Phase 3 |
| Recruiting | Improving ADHD Teen Driving - Virtual Reality NCT06960980 | Children's Hospital Medical Center, Cincinnati | N/A |
| Recruiting | A Trial to Evaluate the Efficacy and Safety of EB-1020 in Pediatric Patients With ADHD NCT07086313 | Otsuka Pharmaceutical Co., Ltd. | Phase 2 / Phase 3 |
| Not Yet Recruiting | PHArmaCokinetics of methYLphenidate in Adult Patients With Attention-Deficit /Hyperactivity Disorder NCT07121621 | University Hospital, Tours | Phase 4 |
| Recruiting | A Long-term Trial of EB-1020 in Adult Patients With ADHD NCT06926829 | Otsuka Pharmaceutical Co., Ltd. | Phase 3 |
| Recruiting | Examination of the Dynamic Relationships of Sleep, Physical Activity, and Circadian Rhythmicity With Neurobeha NCT06810180 | Hugo W. Moser Research Institute at Kennedy Krieger, Inc. | N/A |
| Completed | To Compare and Evaluate the Oral Bioavailability of Lisdexamfetamine 70 mg Capsule With That of Elvanse® 70 mg NCT07098585 | Humanis Saglık Anonim Sirketi | Phase 1 |
| Recruiting | Clinical Trial to Investigate the Safety and Efficacy of Two Dexamfetamine Sulfate Formulations in Adults With NCT06967857 | Prof. Dr. Frank Behrens | Phase 2 |
| Recruiting | Prediction of ADHD in Children Using Pedobarographic and Postural Data NCT07180758 | Biruni University | — |
| Not Yet Recruiting | Home-Based Executive Function Training Intervention For Attention-Deficit/ Hyperactivity Disorder-prone Childr NCT06950866 | Wuhan Mental Health Centre | N/A |
| Recruiting | Evaluation of the Efficacy and Safety of EB-1020 in Adult ADHD Patients NCT06931080 | Otsuka Pharmaceutical Co., Ltd. | Phase 2 / Phase 3 |
| Recruiting | Deficit Hyperactivity Disorder / Substance Use Disorder Comorbidity in Integrated Treatment NCT06858527 | Assistance Publique - Hôpitaux de Paris | N/A |
| Enrolling By Invitation | Mental Health, Intellectual and Neurodevelopmental Disorder Detection With Artificial Intelligence Models NCT06792175 | Psyrin Inc. | — |
| Active Not Recruiting | Exploring Eye Vergence Markers ADHD) and ASD NCT06885060 | Elizabeth Kilbey | — |
| Completed | A Brain-Computer Interface-Based Attention Training Program Compared With Methylphenidate and Citicoline NCT07333339 | Uludag University | — |
| Enrolling By Invitation | An Investigational Study Examining the Cross-Validation of QbMobile in ADHD and Normative Populations NCT07220330 | Qbtech AB | — |
| Enrolling By Invitation | A Comparison of Group Cognitive Behavioural Therapy (CBT) and Structured Activity Group for Adults With Attent NCT06604845 | Vastra Gotaland Region | N/A |
| Recruiting | The Safety and Efficacy of Terpene-enriched Cannabidiol (CBD) Oil in ADHD NCT06542445 | Bazelet Nehushtan LtD. | Phase 2 |
| Completed | The Effect of Methylphenidate Treatment on Oxidative Stress Levels in Children Diagnosed With Attention Defici NCT06844812 | Saglik Bilimleri Universitesi | — |
| Recruiting | Pharmacogenomics of Stimulant Treatment Response NCT06221358 | University of Calgary | — |
| Completed | Impact of Structured Exercise Programs on Cognitive, Motor and Behavioral Outcomes in Children With ADHD NCT07376863 | Cukurova University | N/A |
| Terminated | Study to Evaluate NRCT-101SR in Pediatric Subjects With ADHD NCT06215144 | Neurocentria, Inc. | Phase 2 / Phase 3 |
| Completed | Effects of Phosphatidylserine and DHA on Cognitive Performance in Children With ADHD NCT07521449 | Çağlar Charles Daniel Jaicks | N/A |
| Completed | A Study to Learn About the Occurrence of ADHD in Adults With Mental Conditions and Their Quality of Life NCT04943796 | Takeda | — |
| Unknown | The Relationship Between Emotion Regulation and Psychiatric Disorder in Youth NCT06271954 | Chang Gung Memorial Hospital | — |
| Completed | Internet-Based Behavioural Parent Training Intervention for Children With Attention Deficit/Hyperactivity Diso NCT06170996 | Wuhan Mental Health Centre | N/A |
| Completed | Reward Effects on Cognition, Motor Skills, and Motivation in Children NCT06798337 | Lithuanian Sports University | N/A |
| Unknown | Virtual Reality for Parent Training Intervention NCT05809388 | IRCCS Centro Neurolesi Bonino Pulejo | N/A |
| Completed | Physiotherapy for Improving Mental Health in Children and Adolescents With ASD and ADHD NCT07231354 | International Hellenic University | N/A |
| Completed | PDC-1421 Treatment in Adult Patients With ADHD NCT05202327 | BioLite, Inc. | Phase 2 |
| Completed | Neuro-Nutrition to Support Physiological Function and Cognitive Skills in People With Down Syndrome, Autism Sp NCT07165509 | Elizabeth Guadalupe Ibarra Coronado | N/A |
| Completed | A Study on the Use of Healthcare Resources and Costs of Attention Deficit Hyperactivity Disorder (ADHD) in Adu NCT05137704 | Takeda | — |
| Completed | Open-Label Study of SPN-812 Administered With Psychostimulants in Children and Adolescents With ADHD NCT04786990 | Supernus Pharmaceuticals, Inc. | Phase 4 |
| Unknown | Home-Based tDCS in Children With ADHD: A Randomized, Sham-Controlled tDCS and fNIRS Study NCT04634006 | Onze Lieve Vrouw Hospital | N/A |
| Completed | A Study of PDC-1421 Treatment in Adult Patients With Attention-Deficit Hyperactivity Disorder (ADHD) NCT02699086 | BioLite, Inc. | Phase 2 |
| Completed | Evaluation of SPN-812 (Viloxazine Extended-release Capsule) in Adults With ADHD NCT04016779 | Supernus Pharmaceuticals, Inc. | Phase 3 |
| Completed | Safety and Efficacy of Mexidol® for ADHD in Children Aged 6-12 NCT06854601 | Pharmasoft | Phase 3 |
| Terminated | Exploratory fMRI Study on the Treatment for Impulsive Aggression in Children With ADHD NCT03638466 | Supernus Pharmaceuticals, Inc. | Phase 2 |
| Terminated | Effectiveness of Methylphenidate Late Formula to Reduce Cannabis Use in Young Cannabis-Related Patients and At NCT03481959 | Assistance Publique - Hôpitaux de Paris | Phase 3 |
| Completed | Drug Use Study With Intuniv® in Australia NCT04866030 | Shire | — |
| Unknown | Near-infrared Spectroscopy Neurofeedback as a Treatment for Children With Attention Deficit Hyperactivity Diso NCT04065906 | Xijing Hospital | N/A |
| Completed | Drug Use Study With Intuniv® in European Countries NCT05870605 | Shire | — |
| Withdrawn | A 6-week Study to Evaluate the Safety and Efficacy of Quillichew ERCT in 4-5 Year Old Children With ADHD. NCT03580005 | Pfizer | Phase 4 |
| Withdrawn | Safety, Tolerability and PK Study of Methylphenidate HCl ERCT in 4-5 Year Old Children With ADHD. NCT03546400 | Pfizer | Phase 4 |
| Completed | Safety, Tolerability and Pharmacokinetics of SHP465 in Children Aged 4 to 5 Years With Attention-Deficit/Hyper NCT03327402 | Shire | Phase 1 |
| Terminated | Safety and Tolerability Study of SHP465 in Children Aged 4 to 12 Years Diagnosed With Attention-deficit/Hypera NCT03325894 | Shire | Phase 3 |
| Completed | Efficacy and Safety of SHP465 at 6.25 mg in the Treatment of Attention-Deficit/Hyperactivity Disorder (ADHD) i NCT03325881 | Shire | Phase 3 |
| Completed | Safety and Efficacy Study in Preschool Children Aged 4-5 Years With Attention-deficit/Hyperactivity Disorder ( NCT03260205 | Shire | Phase 3 |
| Completed | A Study to Evaluate the Efficacy and Safety of Dasotraline in Children 6 to 12 Years Old With Attention-Defici NCT03231800 | Sumitomo Pharma America, Inc. | Phase 3 |
| Unknown | Probiotic Supplement as Treatment for Students With ADHD NCT02908802 | Tel Hai College | N/A |
| Completed | LearningRx Cognitive Training for ADHD NCT02917109 | Gibson Institute of Cognitive Research | N/A |
| Completed | A Study of Delayed and Extended Release Formulation of Dextroamphetamine Sulfate (HLD100) in Children With ADH NCT02884544 | Ironshore Pharmaceuticals and Development, Inc | Phase 2 |
| Completed | Study of the What the Body Does to the Drug in Subjects With Mild, Moderate, and Severe Liver Dysfunction NCT02795637 | Sumitomo Pharma America, Inc. | Phase 1 |
| Completed | A Study to Evaluate the Efficacy and Safety of Dasotraline in Children 6 to 12 Years of Age With Attention-Def NCT02734693 | Sumitomo Pharma America, Inc. | Phase 3 |
| Unknown | The Effectiveness of Aerobic Exercise in the Treatment of Adults With Attention Deficit Hyperactivity Disorder NCT02788851 | McGill University Health Centre/Research Institute of the McGill University Health Centre | N/A |
| Terminated | Treatment of Impulsive Aggression in Subjects With ADHD in Conjunction With Standard ADHD Treatment (CHIME 4) NCT02691182 | Supernus Pharmaceuticals, Inc. | Phase 3 |
| Completed | Treatment of Impulsive Aggression in Subjects With ADHD in Conjunction With Standard ADHD Treatment (CHIME 2) NCT02618434 | Supernus Pharmaceuticals, Inc. | Phase 3 |
| Completed | Efficacy and Safety of SPN-812 (Viloxazine Extended-release Capsule) in Children With ADHD NCT02633527 | Supernus Pharmaceuticals, Inc. | Phase 2 |
| Completed | Effects of Structured Skills Training Group in Treatment of ADHD in Adults NCT02685254 | University of Oslo | N/A |
| Completed | Treatment of Impulsive Aggression in Subjects With ADHD in Conjunction With Standard ADHD Treatment (CHIME 1) NCT02618408 | Supernus Pharmaceuticals, Inc. | Phase 3 |
| Completed | Cognitive Training in Children With Attention Deficit Hyperactivity Disorder (ADHD) NCT02560454 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Treatments for Fathers With ADHD and Their At-Risk Children (Fathers Too) NCT02675400 | Seattle Children's Hospital | Phase 4 |
| Completed | Safety and Efficacy Study of SHP465 in Adults Aged 18-55 Years With Attention-deficit/ Hyperactivity Disorder NCT02604407 | Shire | Phase 3 |
| Completed | Pharmacokinetic Study in Children and Adolescents Aged 6 to 17 Years Who Have Been Diagnosed With ADHD NCT02578030 | Shire | Phase 1 |
| Completed | Pilot Trial of a Social Skills Group Treatment (Secret Agent Society Program) NCT02574273 | Weill Medical College of Cornell University | N/A |
| Completed | Safety and Tolerability Study of SPD489 in Preschool Children Aged 4-5 Years, Diagnosed With Attention-deficit NCT02466386 | Shire | Phase 3 |
| Completed | Brain Activity in Adults With ADHD During Neuropsychological Tasks NCT02578342 | Kantonsspital Aarau | — |
| Completed | Safety and Efficacy Study of SHP465 in Children and Adolescents Aged 6-17 Years With Attention-Deficit Hyperac NCT02466425 | Shire | Phase 3 |
| Terminated | The MEASURE Study - A Phase 3 Study of MDX 1400 mg Daily Compared With Placebo in Adults With ADHD NCT02477748 | Alcobra Ltd. | Phase 3 |
| Completed | Safety, Tolerability, Pharmacokinetic, and Efficacy Study of SPD489 in Preschool Children With Attention-defic NCT02402166 | Shire | Phase 2 |
| Completed | Trigeminal Nerve Stimulation for ADHD NCT02155608 | University of California, Los Angeles | N/A |
| Unknown | The Correlation Between Blood omega3 and ADHD NCT02391428 | Ayelet Omer Armon | EARLY_Phase 1 |
| Completed | Organizational Skill Training (OST) in Schools NCT02663986 | NYU Langone Health | N/A |
| Completed | Phase I Single Dose, Open-Label Pharmacokinetic Study and Single-Blind, Placebo-Controlled Dose Escalation Stu NCT02286817 | Aevi Genomic Medicine, LLC, a Cerecor company | Phase 1 |
| Completed | 12 Month Open Extension of TNS for ADHD. NCT03888391 | James McGough | N/A |
| Completed | Four-week Open-trial Extension TNS for ADHD NCT03870737 | University of California, Los Angeles | N/A |
| Completed | Vayarin® Medical Food Study for Adults With Attention Deficit Hyperactivity Disorder (ADHD) NCT02257216 | Enzymotec | N/A |
| Completed | Superiority of Omega-3 Versus Placebo on the Improvement of ADHD in Children NCT02248948 | Laboratorios Ordesa | N/A |
| Completed | Experimental Medicine in ADHD - Cannabinoids NCT02249299 | King's College London | N/A |
| Completed | PRC-063 in an ADULT Workplace Environment NCT02225639 | Rhodes Pharmaceuticals, L.P. | Phase 3 |
| Completed | Assessing QbTest Utility in ADHD: A Randomised Controlled Trial NCT02209116 | University of Nottingham | N/A |
| Completed | Neurophysiological Attention Test (NAT) for Objective Assessment of Attention Deficit Hyperactivity Disorder ( NCT02407496 | Think Now Incorporated | — |
| Completed | Crossover Study to Evaluate the Efficacy of AR11 in Pediatric Patients With ADHD in a Laboratory Classroom Set NCT01986062 | Arbor Pharmaceuticals, Inc. | Phase 4 |
| Completed | Efficacy of an Organizational Skills Intervention for Middle School Students With ADHD NCT02150668 | Virginia Commonwealth University | N/A |
| Completed | NT0102 in the Treatment of Children With Attention Deficit Hyperactivity Disorder (ADHD) NCT01835548 | Neos Therapeutics, Inc | Phase 3 |
| Completed | Brain Connectivity in Attention Deficit Hyperactivity Disorder (ADHD) NCT03709940 | King's College London | N/A |
| Withdrawn | Attention Intervention Management NCT01779427 | Children's Hospital Medical Center, Cincinnati | N/A |
| Unknown | Follow up Treatment of Children With Attention Deficit Hyperactivity Disorder (ADHD) NCT02142140 | McGill University Health Centre/Research Institute of the McGill University Health Centre | N/A |
| Unknown | The Relationship of Essential Fatty Acids to Adult ADHD: The OCEAN Study (Oils and Cognitive Effects in Adult NCT01750307 | King's College London | N/A |
| Completed | Social Skills Group Training ("KONTAKT") for Children and Adolescent With High-functioning Autism Spectrum Dis NCT01854346 | Karolinska Institutet | N/A |
| Unknown | Self-help in Adjunct to Pharmacotherapy NCT02174952 | University of Nottingham | N/A |
| Completed | Memantine for Executive Dysfunction in Adults With ADHD: A Pilot Study NCT01533493 | Massachusetts General Hospital | N/A |
| Completed | Access to Extended Release Guanfacine HCl for Subjects Who Participated in Studies SPD503-315 or SPD503-316 in NCT01500694 | Shire | Phase 3 |
| Completed | Integrated Brain, Body and Social Intervention for Attention Deficit Hyperactivity Disorder (ADHD) NCT01542528 | Yale University | N/A |
| Completed | Classroom-based Distance Intervention for Teachers of Children With Attention Deficit Hyperactivity Disorder NCT01547702 | Dalhousie University | Phase 2 |
| Completed | Attention Deficit Hyperactivity Disorder Drugs Use Chronic Effects NCT01470261 | NHS Tayside | — |
| Completed | Omega-3 Fatty Acid Supplementation to ADHD Pharmacotherapy in ADHD Adults With Deficient Emotional Self-Regula NCT01399827 | Massachusetts General Hospital | Phase 2 |
| Completed | Measuring Adherence to Medication for Depression and Attention-deficit Hyperactivity Disorder NCT01430767 | Wake Forest University Health Sciences | — |
| Completed | Lisdexamfetamine Dimesylate 2-year Safety Study in Children and Adolescents With Attention-Deficit/Hyperactivi NCT01328756 | Shire | Phase 4 |
| Unknown | Plasma Orexin A and mRNA Expression Levels of Pre-pro-orexin Gene in Attention-Deficit Hyperactivity Disorder NCT02074176 | National Taiwan University Hospital | — |
| Completed | Evaluation of Immediate-Release Viloxazine in Adults With ADHD NCT01107496 | Supernus Pharmaceuticals, Inc. | Phase 1 / Phase 2 |
| Completed | Train Your Brain and Exercise Your Heart? Advancing the Treatment for Attention Deficit Hyperactivity Disorder NCT01363544 | R. van Mourik | Phase 2 / Phase 3 |
| Withdrawn | Treatment of College Students With Attention-Deficit/Hyperactivity Disorder (ADHD) Using OROS Methylphenidate NCT00931398 | University of Pittsburgh | Phase 4 |
| Completed | A Long Term Post-Marketing Study on the EffIcacy and Safety of Osmotic Release Oral System (OROS) Methylphenid NCT01933880 | Xian-Janssen Pharmaceutical Ltd. | Phase 4 |
| Withdrawn | A Naturalistic Prospective Study of Treatment Effectiveness for Attention-Deficit/Hyperactivity Disorder (ADHD NCT00323700 | University of British Columbia | — |
| Completed | Effect of Vyvanse on Driving in Young Adults With ADHD NCT00801229 | Massachusetts General Hospital | Phase 4 |
| Completed | Efficacy and Safety of Lisdexamfetamine Dimesylate (LDX) in Adolescents With Attention-Deficit/Hyperactivity D NCT00735371 | Shire | Phase 3 |
| Completed | Efficacy and Safety of Dex-Methylphenidate Extended Release 30 mg Versus 20 mg in Children (6-12 Years) With A NCT00776009 | Novartis Pharmaceuticals | Phase 4 |
| Completed | Cardiovascular Study of Lisdexamfetamine in Healthy and Hypertensive Attention Deficit Hyperactivity Disorder NCT00753012 | Massachusetts General Hospital | Phase 4 |
| Completed | Evaluating Clinical Outcomes of Treatment Effectiveness for Children and Adults With ADHD NCT00307268 | University of British Columbia | — |
| Completed | Does Active Parent Involvement in Deliberation and Choice Improve Medication Persistence for Their Child With NCT00631280 | Children's Hospital Medical Center, Cincinnati | N/A |
| Completed | A Study to Test the Safety and Efficacy of MK0249 in Patients With ADHD (0249-018)(COMPLETED) NCT00475735 | Merck Sharp & Dohme LLC | Phase 2 |
| Completed | Comparison of Self and Clinician Administered Rating Scales in Patients With ADHD NCT00711724 | Massachusetts General Hospital | — |
| Completed | Dose-Optimization Study Evaluating the Efficacy, Safety and Tolerability of Vyvanse (Lisdexamfetamine Dimesyla NCT00500071 | Shire | Phase 4 |
| Completed | The Efficacy and Safety of Phosphatidylserine-Omega3 in Children With Attention-Deficit/ Hyperactivity Disorde NCT00418184 | Enzymotec | Phase 2 |
| Unknown | Effect of Atomoxetine on ADHD-Related Insomnia in Children and Adolescents NCT00252278 | Rhode Island Hospital | Phase 4 |
| Completed | Open-Label Study of the Long Term Tolerability and Safety of Atomoxetine in Children With FASD and ADD/ADHD NCT00418262 | University of Oklahoma | Phase 3 |
| Completed | Study to Determine Whether There Are Any Cognitive or Motor Effects From Taking the Medicine Risperidone. NCT00399698 | Ohio State University | Phase 3 |
| Completed | Efficacy Of Bupropion For Attention Deficit Hyperactivity Disorder (ADHD) In Adults NCT01270555 | Massachusetts General Hospital | N/A |