- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03327402
Safety, Tolerability and Pharmacokinetics of SHP465 in Children Aged 4 to 5 Years With Attention-Deficit/Hyperactivity Disorder (ADHD)
A Phase 1 Open-label Study of the Safety, Tolerability, and Pharmacokinetics of d- and l-Amphetamine After Multiple Daily Doses of SHP465 6.25 mg Administered in Children Aged 4 to 5 Years With Attention-Deficit/Hyperactivity Disorder
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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Arkansas
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Little Rock, Arkansas, United States, 72211
- Preferred Research Partners
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Florida
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Orlando, Florida, United States, 32801
- Clinical Neuroscience Solutions Inc
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Indiana
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Evansville, Indiana, United States, 47715
- Qualmedica Research, LLC
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Ohio
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Cleveland, Ohio, United States, 44106
- University Hospitals Cleveland Medical Center
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Dayton, Ohio, United States, 45414
- Ohio Pediatric Research Assn Inc
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Mason, Ohio, United States, 45040
- Professional Psychiatric Services (PPS)
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South Carolina
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Mount Pleasant, South Carolina, United States, 29464
- Coastal Pediatric Associates
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Tennessee
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Memphis, Tennessee, United States, 38119
- Clinical Neuroscience Solutions Inc
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female aged 4-5 years inclusive at the time of consent with a primary diagnosis of ADHD (any subtype) based on a detailed psychiatric evaluation using the Mini International Neuropsychiatric Interview for Children and Adolescents (MINI-KID) and has undergone nonpharmacological treatment or has a severe enough condition to consider enrollment without undergoing prior nonpharmacological treatment, based on the investigator's judgment or has never taken ADHD medication or has taken ADHD medication with unacceptable efficacy and/or tolerability.
- Participant's parent/legally authorized representative (LAR) must sign the informed consent form, and there must be documentation of assent (if applicable) and is willing and able to fully comply with all of the testing and requirements defined in the protocol.
Participant during the screening period:
i. Has a total score of ADHD-RS-5 >=28 for boys and >=24 for girls. ii. Has a Clinical Global Impressions-Severity of Illness (CGI-S) score >=4. iii.Functions at an age-appropriate level intellectually, as determined by the investigator.
- Participant has the ability to take investigational product by either swallowing the capsule whole or sprinkling the capsule contents in applesauce and ingesting the entire mixture immediately without chewing.
- Participant has lived with the same parent/LAR for at least 6 months.
Exclusion Criteria:
- Prior enrollment or participation in the study.
- Documented allergy, hypersensitivity, or intolerance to amphetamine or to any excipients in the investigational product.
- Participant cannot swallow a pill and/or applesauce, or has an allergy to applesauce.
- Participant is currently taking or has taken ADHD medication with acceptable efficacy and tolerability.
- Participant has taken ADHD medication within 7 days prior to the administration of investigational product.
Participant has used any medication (including over-the-counter, herbal, or homeopathic preparations) within 30 days prior to the administration of investigational product or 5 half-lives, whichever is longer, with the exception of the following:
i. Thyroid medication ii. Intermittent use of nonsteroidal anti-inflammatory drugs or acetaminophen iii. As needed use of a beta-agonists inhaler for mild asthma or exercise induced bronchospasm iv. Over-the-counter nonsedating antihistamines for allergies. v. Participant has continuously used oral corticosteroids >=7 days in 3 months prior to investigational product dosing. If continuous use was less than (<) 7 days, 1 month of washout prior to dosing of investigational product is required.
Within 30 days prior to the administration of investigational product (IP):
i. Participant has used an IP.
- If the elimination half-life of the previous study's IP was less than 6 days, then the last dose of the previous IP should be 30 days prior to the first dose of SHP465.
- If the elimination half-life of the previous study's IP was greater than 6 days, then the last dose of the previous IP should be 5 half-lives prior to the dose of SHP465.
- Glaucoma.
- Known family history of sudden cardiac death or ventricular arrhythmia.
- Known history of symptomatic cardiovascular disease, structural cardiac abnormality, cardiomyopathy, serious heart rhythm abnormalities, or other serious cardiac conditions placing them at increased vulnerability to the sympathomimetic effects of a stimulant drug.
- Any clinically significant ECG or clinically significant laboratory abnormalities at the first screening visit based on the investigator's judgment. A single retest of laboratory parameters is allowed based on the investigator's judgment.
- Marfan's syndrome.
- Blood pressure >= 95th percentile for age, sex, and height at the screening visit.
- Height and weight <= 5th percentile for age and sex at the first screening visit.
- Current abnormal thyroid function test results, defined as abnormal thyroid-stimulating hormone, thyroxine (T4), and tri-iodothyronine (T3) at the first screening visit. Treatment with a stable dose of thyroid medication for at least 3 months is permitted.
- History of seizures (other than infantile febrile seizures).
- Current, controlled (requiring medication or therapy) or uncontrolled, comorbid psychiatric disorder including but not limited to any of the following comorbid Axis I disorders and Axis II disorders.
- Currently considered a suicide risk in the opinion of the investigator, has previously made a suicide attempt, or has a prior history of or is currently demonstrating active suicidal ideation.
- History of physical, sexual, or emotional abuse.
- Primary sleep disorder (eg, sleep apnea, narcolepsy).
- Eating disorder.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: SHP465
Participants will receive SHP465 capsule at a dose of 6.25 mg, orally once daily for 4 weeks.
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SHP465 capsule will be administered at a dose of 6.25 mg, orally once daily for 4 weeks.
SHP465 is comprised of sulfate salts of dextroamphetamine and amphetamine, with dextroamphetamine saccharate and amphetamine aspartate monohydrate, which provide a composite enantiomer ratio of 3:1 d-amphetamine to l-amphetamine.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum Plasma Drug Concentration (Cmax) Occurred at the Time of Maximum Observed Concentration Sampled During a Dosing Interval (Tmax) of Plasma Dextroamphetamine (d-Amphetamine) and Plasma Levoamphetamine (l-Amphetamine)
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Maximum plasma drug concentration occurred at time of maximum observed concentration of plasma d-amphetamine and plasma l-amphetamine during a dosing interval were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Trough Plasma Drug Concentration Ctrough at Steady State (Ctrough,ss) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Predose on Day 1 and Day 28 and at 24 hours (Day 29) postdose on Day 28
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Trough plasma drug concentration (predose concentrations collected at steady state) of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Predose on Day 1 and Day 28 and at 24 hours (Day 29) postdose on Day 28
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Time to Reach Maximum Observed Plasma Drug Concentration (Tmax) During Dosing Interval of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Time to reach maximum observed plasma drug concentration of plasma d-amphetamine and plasma l-amphetamine during a dosing interval were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area Under the Concentration-Time Curve From Time Zero to the Last Timepoint (AUC0-t) During Sample Collection of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area under the concentration-time curve from time zero to the last quantifiable concentration of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area Under the Concentration-Time Curve From Time Zero Predose to Five Hours Postdose (AUC0-5) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5 hours Postdose on Day 7
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Area under the concentration time curve from time zero predose to five hours postdose of plasma d-amphetamine and plasma d-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5 hours Postdose on Day 7
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Area Under the Concentration Time Curve From Time Five Hours to the Last Timepoint (AUC5-t) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area under the concentration time curve from time five hours to the time of last quantifiable concentration of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area Under the Concentration-Time Curve From Time of Dosing to the Last Measurable Concentration (AUClast) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area under the concentration-time curve from time of dosing to the last measurable concentration of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area Under the Concentration-Time Curve Over the Dosing Interval (24 Hours) at Steady State (AUCtau,ss) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Area under the concentration-time curve over the dosing interval (24 hours) at steady state of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Terminal Rate Constant (Lambda z) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Terminal Rate Constant of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Total Body Clearance (CL/F) for Extravascular Administration of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Apparent total clearance of the plasma drug concentration of plasma d- amphetamine and plasma l-amphetamine after oral dose administration were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Terminal Half-life (t1/2) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Time required for the plasma drug concentration to reach half of its original value of plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Apparent Volume of Distribution (Vss/F) at Steady State of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Apparent volume of distribution at steady state of plasma d-amphetamine and plasma l-amphetamine after oral dose administration were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: Predose, 2, 5, 8, 12, 16, 24 hours (Day 8), 48 hours (Day 9) Postdose on Day 7
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Number of Participants With Treatment-Emergent Adverse Events (TEAEs)
Time Frame: From start of study drug administration up to follow-up (up to 5 weeks)
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An adverse event (AE) was any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product and that does not necessarily had a causal relationship with this treatment.
TEAEs was defined as AEs that start or deteriorate on or after the date of the first dose of investigational product (IP) and no later than 3 days following the last dose of IP.
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From start of study drug administration up to follow-up (up to 5 weeks)
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Number of Participants With Clinically Significant Changes in Vital Signs Reported as TEAEs
Time Frame: From start of study drug administration up to follow-up (up to 5 weeks)
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Vital sign assessments included blood pressure, pulse, respiratory rate and body temperature.
Any change in vital signs which were deemed clinically significant by the investigator were recorded as TEAE.
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From start of study drug administration up to follow-up (up to 5 weeks)
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Number of Participants With Clinically Significant Changes in Electrocardiogram (ECG) Reported as TEAEs
Time Frame: From start of study drug administration up to follow-up (up to 5 weeks)
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12-lead ECG were evaluated.
Any change in ECG assessments which are deemed clinically significant by the investigator were reported as TEAE.
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From start of study drug administration up to follow-up (up to 5 weeks)
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Change From Baseline in Height at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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Height (in centimeters) was measured using a stadiometer with the participant standing on a flat surface without shoes and with the chin parallel to the floor.
Final on-treatment assessment (FoTA) was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Change From Baseline in Weight at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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Weight (in kilograms) was measured using a calibrated scale.
Participant should be in light clothes and without shoes.
FoTA was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Number of Participants With Clinically Significant Changes in Clinical Laboratory Results Reported as TEAEs
Time Frame: From start of study drug administration up to follow-up (up to 5 weeks)
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Clinical laboratory tests included biochemistry, endocrinology, hematology and urinalysis.
Any change in clinical laboratory results which are deemed clinically significant by the investigator were reported as TEAE.
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From start of study drug administration up to follow-up (up to 5 weeks)
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Number of Participants With Overall Quality of Sleep Assessed by Post Sleep Questionnaire (PSQ) at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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The PSQ was a 7-item questionnaire typically used to assess sleep quality with pharmacologic treatment.
The questionnaire collected data on average time to sleep, sleep latency, frequency of interrupted sleep, duration of interrupted sleep, total sleep time and sleep quality over the last week.
The assessment was done by the nature of the responses, not by a numbered scale.
FoTA was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Length of Time Awake Per Night Assessed by PSQ at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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The PSQ was a 7-item questionnaire typically used to assess sleep quality with pharmacologic treatment.
The questionnaire collected data on average time to sleep, sleep latency, frequency of interrupted sleep, duration of interrupted sleep, total sleep time and sleep quality over the last week.
FoTA was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Length of Time to Fall Asleep Per Night Assessed by PSQ at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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The PSQ was a 7-item questionnaire typically used to assess sleep quality with pharmacologic treatment.
The questionnaire collected data on average time to sleep, sleep latency, frequency of interrupted sleep, duration of interrupted sleep, total sleep time and sleep quality over the last week.
FoTA was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Length of Time Sleeping Per Night Assessed by PSQ at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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The PSQ was a 7-item questionnaire typically used to assess sleep quality with pharmacologic treatment.
The questionnaire collected data on average time to sleep, sleep latency, frequency of interrupted sleep, duration of interrupted sleep, total sleep time and sleep quality over the last week.
FoTA was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Total Sleep Disturbance Score of Children's Sleep Habits Questionnaire (CSHQ ) at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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The CSHQ was a validated, retrospective, parent-reported sleep screening tool.
The questionnaire consisted of 35 items that yield a TSD score, as well as 8 subscale scores, including bedtime resistance, sleep duration, parasomnias, sleep disordered breathing, night wakings, daytime sleepiness, sleep anxiety, and sleep onset delay.
Each item receives a score from 1 (meaning the problem occurs rarely) to 3 (meaning the problem usually occurs); therefore, a higher score is the worse outcome.
Scale ranges are as follows: Bedtime Resistance: 6 to 18, Sleep Onset Delay: 1 to 3, Sleep Duration: 3 to 9, Sleep Anxiety: 4 to 12, Night Wakings: 3 to 9, Parasomnias: 7 to 21, Disordered Breathing: 3 to 9, Daytime Sleepiness: 8 to 24, and Total Disturbance (items from all scales): 33 to 99.
A negative value indicated less sleep disturbance.
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FoTA (up to Day 30)
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Number of Participants With a Positive Response in Columbia-Suicide Severity Rating Scale (C-SSRS) at Final On-Treatment Assessment
Time Frame: FoTA (up to Day 30)
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C-SSRS was a semi-structured interview that captures the occurrence, severity, and frequency of suicide-related thoughts (suicidal ideation) and suicidal behaviors during the assessment period needed to be determine if a suicide-related thought or behavior were occurred.
The assessment was done by the nature of the responses, not by a numbered scale.
FoTA was defined as the last valid assessment obtained after baseline and while on IP (on or before 2 days after the last dose date).
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FoTA (up to Day 30)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Observed Analyte Concentration at 12 Hours After Dose Administration (C12) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: 12 hours (Day 8) Postdose on Day 7
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Observed analyte concentration of plasma d-amphetamine and plasma l-amphetamine at 12 hours after dose administration were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 12 hours (Day 8) Postdose on Day 7
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Observed Analyte Concentration at 16 Hours After Dose Administration (C16) of Plasma d-Amphetamine and Plasma l- Amphetamine
Time Frame: Week 4: 16 hours (Day 8) Postdose on Day 7
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Observed analyte concentration of plasma d-amphetamine and plasma l-amphetamine at 16 hours after dose administration were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 16 hours (Day 8) Postdose on Day 7
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Observed Analyte Concentration at 24 Hours After Dose Administration (C24) of Plasma d-Amphetamine and Plasma l- Amphetamine
Time Frame: Week 4: 24 hours (Day 8) Postdose on Day 7
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Observed analyte concentration of plasma d-amphetamine and plasma l-amphetamine at 24 hours after dose administration were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 24 hours (Day 8) Postdose on Day 7
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Area Under the Concentration-Time Curve From Time Five Hours to Twelve Hours Postdose (AUC5-12) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: 5, 8, 12 hours Postdose on Day 7
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Area under the concentration-time curve from time five hours to twelve hours postdose (AUC5-12) in plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 5, 8, 12 hours Postdose on Day 7
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Area Under the Concentration-Time Curve From Time Twelve Hours to Sixteen Hours Postdose (AUC12-16) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: 12, 16 hours Postdose on Day 7
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Area under the concentration-time curve from time twelve hours to sixteen hours postdose (AUC12-16) in plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 12, 16 hours Postdose on Day 7
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Area Under the Concentration-Time Curve From Time Sixteen Hours to Twenty-Four Hours Postdose (AUC16-24) of Plasma d-Amphetamine and Plasma l-Amphetamine
Time Frame: Week 4: 16, 24 hours (Day 8) Postdose on Day 7
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Area under the concentration-time curve from time sixteen hours to twenty-four hours postdose (AUC16-24) in plasma d-amphetamine and plasma l-amphetamine were evaluated using rich sampling collection method.
Values displayed do not necessarily reflect the actual precision obtained.
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Week 4: 16, 24 hours (Day 8) Postdose on Day 7
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Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- SHP465-112
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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