CClinicalTrials.gg
CompletedNCT04152629reFOQusUpdated Sep 16, 2021

Real World Evidence of the Efficacy and Safety of FOQUEST

A Phase 4 interventional study of Methylphenidate Hydrochloride and Lisdexamfetamine Dimesylate in Attention Deficit-Hyperactivity Disorder, sponsored by Purdue Pharma, Canada. Completed at 12 sites in Canada. Open to participants aged 6 Years and older. Per ClinicalTrials.gov, last updated 2021-09-16.

Sponsored by Purdue Pharma, Canada · Phase 4, Interventional, and Treatment

Phase
Phase 4
Study type
Interventional
Enrollment
257
Allocation
Non-randomized
Ages
6 Years and older
Sex
All
01

Study summary

This study is a four-month, phase IV, open-label study of ADHD symptomatology and functional outcomes in pediatric (6 to 17 years old) and adult (≥18 years or older) patients with ADHD treated with FOQUEST or VYVANSE.

Read the detailed description

After giving written, informed consent or assent (for patients \<18 years old), patients will be screened to ascertain their suitability for the study according to the patient selection criteria (Section 4). Based on clinician assessment, patients will be assigned to receive either FOQUEST or VYVANSE. Patients will be titrated to their optimal dose of ADHD medication based on Investigator judgement. At monthly visits, patients will have their ADHD symptomatology evaluated by the Investigator (ADHD-Rating Scale-DSM 5 Version [ADHD-RS-5]) and will complete questionnaires on functional outcomes (Weiss Functional Impairment Ratings Scale - Parent [WFIRS-P] or Weiss Functional Impairment Ratings Scale - Self [WFIRS-Self]), morning and evening behaviours (Daily Parent Rating of Evening and Morning Behaviours - Revised [DPREMB-R] or Adult ADHD Quality of Life Rating Scale - Revised [AAQoL-R]) and Patient Sleep \& Satisfaction survey (PSS). Safety will be evaluated through non-directed spontaneous adverse event (AE) reporting. Patients will be monitored for signs of suicide-related behavior, as per standard of care. A post-study safety follow-up phone call (conducted between 7 and 14 days post-last visit) will assess patients for any adverse events that occur following their last dose of medication received as part of the study. Following the last dose of study medication, the patient's continuing, post-study ADHD treatment will be based on Investigator discretion and standard of care.

02

Conditions studied

  • Attention Deficit-Hyperactivity Disorder
03

In context

Hyperkinesis

729 studies on the registry are indexed under Hyperkinesis; 25 are open to participants now.

This study's enrollment of 257 is above the median of 80 across 583 interventional studies indexed under Hyperkinesis.

Browse Hyperkinesis studies →

Lead sponsor

Purdue Pharma, Canada is the lead sponsor of 5 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
6 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Pediatric: Male or non-pregnant, non-nursing female patients the age of 6 to less than 18. Adults: Male or non-pregnant, non-nursing female patients the age of 18 or older.
  2. Diagnosed with ADHD (inattentive, hyperactive or combined-type) who are deemed eligible to receive treatment with FOQUEST or VYVANSE, as per the respective Product Monograph.
  3. Mentally and physically competent to provide informed consent, or assent and able and willing to comply with the study protocol, including the study duration.

Exclusion criteria

Exclusion Criteria:

Potential patients who meet any of the contraindications or warnings detailed in the respective Canadian Product Monographs are excluded from participation in the study:

  1. Having a true allergy to methylphenidate or amphetamines or sympathomimetic amines, history of serious adverse reactions to methylphenidate or amphetamines or be known to be non-responsive to methylphenidate or amphetamine treatment. Non-response is defined as methylphenidate or amphetamine use at various doses for a phase of at least four weeks at each dose with little or no clinical benefit in the past 10 years.
  2. Females of child-bearing potential (FOCP) who are pregnant, planning on becoming pregnant or breast feeding.
  3. Having a history of hyperthyroidism, thyrotoxicosis, advanced arteriosclerosis, severe renal insufficiency or glaucoma.
  4. Having structural cardiac abnormalities, symptomatic cardiovascular disease or moderate to severe hypertension.
  5. Currently, or within the past 14 days, receiving MAO inhibitors.
  6. Having a primary diagnosis of bipolar disorder, as assessed at Visit 1.
  7. Currently receiving any investigational drug, or have received an investigational drug in the previous month.
  8. Having a history of drug or alcohol abuse or dependence.
  9. Currently considered a suicide risk by the Investigator.
05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
257 participants (actual)

Study arms

  • Experimental
    FOQUEST adults

    adult (≥18 years or older) patients with ADHD receiving FOQUEST (controlled-release methylphenidate 25 mg, 35 mg, 45 mg, 55 mg, 70 mg, 85 mg, or 100 mg/day)

    Drug: Methylphenidate Hydrochloride

  • Active comparator
    VYVANSE adults

    adult (≥18 years or older) patients with ADHD receiving VYVANSE (lisdexamfetamine 10 mg, 20 mg, 30 mg, 40 mg, 50 mg or 60 mg/day)

    Drug: Lisdexamfetamine Dimesylate

  • Experimental
    FOQUEST pediatric

    pediatric (6 to 17 years old) patients with ADHD receiving FOQUEST (controlled-release methylphenidate 25 mg, 35 mg, 45 mg, 55 mg or 70 mg/day)

    Drug: Methylphenidate Hydrochloride

  • Active comparator
    VYVANSE pediatric

    pediatric (6 to 17 years old) patients with ADHD receiving VYVANSE (lisdexamfetamine 10 mg, 20 mg, 30 mg, 40 mg, 50 mg or 60 mg/day)

    Drug: Lisdexamfetamine Dimesylate

Interventions

  • DrugMethylphenidate Hydrochloride

    CR Methylphenidate Hydrochloride given once daily (25 mg, 35 mg, 45 mg, 55 mg, 70 mg, 85 mg or 100 mg)

    Also known as: FOQUEST, ADHANSIA XR

  • DrugLisdexamfetamine Dimesylate

    Lisdexamfetamine Dimesylate given once daily (10 mg, 20 mg, 30 mg, 40 mg, 50 mg or 60 mg)

    Also known as: VYVANSE

06

What researchers measure

Primary outcomes

  1. Change in ADHD Rating Scale Total Score

    The ADHD Rating Scale DSM-5 (ADHD-RS-5) is a clinician-rated scale that reflects current symptoms of ADHD based on DSM-5 criteria. It is a global assessment that measures the severity of symptoms from visit to visit, but is not utilized to assess symptoms of ADHD over the course of the day. The ADHD-RS-5 consists of 18 items that are grouped into two subscales (hyperactivity/impulsivity, and inattention). Higher score means higher frequency and severity of symptoms.

    Time frame: Change from Baseline ADHD Rating Scale Total Score at 4 months

Secondary outcomes

  1. Non-Inferiority Comparison between Treatments in Change in ADHD Rating Scale Total Score

    The ADHD Rating Scale DSM-5 (ADHD-RS-5) is a clinician-rated scale that reflects current symptoms of ADHD based on DSM-5 criteria. It is a global assessment that measures the severity of symptoms from visit to visit, but is not utilized to assess symptoms of ADHD over the course of the day. The ADHD-RS-5 consists of 18 items that are grouped into two subscales (hyperactivity/impulsivity, and inattention). Higher score means higher frequency and severity of symptoms.

    Time frame: Change from Baseline ADHD Rating Scale Total Score at 4 Months

07

Study locations

12 sites
  • Matheson Centre for Mental Health Research & Education, University of Calgary
    Calgary, Alberta T2N 4Z6, Canada
  • Adult ADHD Centeres at Pacific Coast Recovery Care
    Burnaby, British Columbia V3N 3N4, Canada
  • Medical Arts Health Research Group
    Burnaby, British Columbia V7T 1C5, Canada
  • The Kids Clinic Inc.
    Ajax, Ontario L1Z 0M1, Canada
  • Chatham-Kent Clinical Trials Research Centre
    Chatham, Ontario N7L 1C1, Canada
  • Pediatric Institute of Excellence
    Etobicoke, Ontario M9V 4C2, Canada
  • Center for Pediatric Excellence
    Ottawa, Ontario K2G1W2, Canada
  • Health Sciences North
    Sudbury, Ontario P3E 5J1, Canada
  • ADDClinic Windsor
    Windsor, Ontario N8X 4X9, Canada
  • Recherche Clinique Sigma Inc
    Quebec City, Quebec G1G 3Y8, Canada
  • Alpha recherche clinique
    Québec, Quebec G2J 0C4, Canada
  • Alpha recherche clinique
    Québec, Quebec G3K 2P8, Canada
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 16, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04152629
Lead sponsor
Purdue Pharma, Canada
Responsible party
Sponsor
First posted
Nov 5, 2019
Start date
Sep 19, 2019
Primary completion
Jul 9, 2021
Completion
Jul 9, 2021
Last update
Sep 16, 2021

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Sep 2021. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion