PRC-063 Classroom Study in Children (6-12 Years of Age) With ADHD

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

156 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-05-01

Study Completion Date

2017-12-19

Brief Summary

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This is a randomized, double-blind, parallel group, placebo-controlled, dose optimized, phase 3 study to evaluate the safety and efficacy of PRC-063 in the treatment of ADHD in pediatric subjects between 6 to 12 years of age.

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Detailed Description

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Conditions

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ADHD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Active Treatment

PRC-063 25, 35, 45, 55, 70 or 85 mg

Group Type EXPERIMENTAL

PRC-063 oral capsules

Intervention Type DRUG

Daily dose

Placebo Treatment

Group Type PLACEBO_COMPARATOR

Placebo oral capsules

Intervention Type DRUG

Daily dose

Interventions

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PRC-063 oral capsules

Daily dose

Intervention Type DRUG

Placebo oral capsules

Daily dose

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Males or females greater than or equal to 6 and less than or equal to 12 years of age
2. Females who are non-pregnant and non-nursing
3. Females of child-bearing potential who agree to practice a clinically accepted method of contraception during the study and for at least one month prior to study dosing and one month following completion of the study. Acceptable contraceptive methods include abstinence, oral contraception, surgical sterilization (bilateral tubal ligation, bilateral oophorectomy or hysterectomy), intrauterine device, or diaphragm in addition to spermicidal foam and condom on male partner, or systemic contraception (e.g. levonorgestrel-releasing implant)
4. Diagnosis of ADHD (any type: combined, predominately hyperactive impulsive type or predominately inattentive type) by a psychiatrist, psychologist, developmental pediatrician or licensed allied healthcare professional using the DSM-5 and confirmed by administration of a structured diagnostic interview using the K-SADS-PL
5. Ratings on the ADHD-RS-5 based on when the subject is not receiving treatment for ADHD, the subject must have ≥ 90th percentile normative value for gender and age in at least 1 of the categories: total score, inattentive subscale or hyperactive/impulse subscale
6. Unsatisfied with his or her current pharmacological therapy for treatment of ADHD or not currently receiving pharmacological therapy for ADHD. Inclusion of subjects who are naïve to pharmacological therapy for ADHD is permitted
7. Must be functioning at an age-appropriate level intellectually as determined by an intelligence quotient of ≥ 80 on a documented IQ assessment such as the WASI-II vocabulary and matrix reasoning components, or the KBIT-2
8. Must have the ability to complete the PERMP assessments
9. Have parental consent (signed informed consent form) and written or verbal assent from the subject
10. Subject and parent(s)/caregiver are willing and able to comply with all the protocol requirements and parent(s) or caregiver must be able to provide transportation for the subject to and from the analog classroom sessions

Exclusion Criteria

1. Has blood pressure and pulse greater than the 95th percentile for age and gender
2. Has current or recent history (within the past 6 months) of drug abuse or dependence disorder in the subject or the immediate family or by someone living at the participant's' home or positive urine drug screen for stimulant medication (other than currently prescribed stimulant for the treatment of ADHD) or drugs of abuse at the screening visit
3. Has untreated thyroid disease, glaucoma, Gilles de la Tourette's disorder, chronic tics or a history of seizures during the last 2 years (except simple febrile seizures), a tic disorder (exclusive of transient tic disorder). Mild medication-induced tics are not exclusionary
4. Primary and/or comorbid psychiatric diagnosis other than ADHD with the exception of simple phobias, motor skill disorders, communication disorders, learning disorders and adjustment disorders so long as such disorder is judged not to interfere with study participation or the safety of the subject or other participants. Children meeting conduct disorder or oppositional defiant disorder criteria but without history of prominent aggressive outbursts that could interfere with study participation or the safety of the subject or other participants will be allowed to enroll at the discretion of the investigator
5. Subjects with a family history (first degree relatives) of sudden cardiac death require review and approval by the medical monitor for participation in the study
6. Has a current or recent history of hypertension, symptomatic cardiovascular disease, advanced arteriosclerosis, structural cardiac abnormality, cardiomyopathy, serious heart rhythm abnormalities, coronary artery disease, or other serious cardiac problems that may place them at increased vulnerability to the sympathomimetic effects of a stimulant drug
7. Has a concurrent medical condition that, in the opinion of the investigator, could cause participation in this study to be detrimental to the subject
8. Has used any investigational drug within 30 days of the screening visit
9. Has a known history of physical, sexual, or emotional abuse in the last year
10. Has a medical history of hepatitis A, B, C or human immunodeficiency virus, or tests positive for any of these at screening
11. Has a positive urine pregnancy test (if applicable) at screening
12. Has positive findings on C-SSRS for suicidal ideation or behaviors at screening.

Minimum Eligible Age

6 Years

Maximum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No