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Attention Deficit Hyperactivity DisorderPhase 3NCT00693212

Further Studies of Attention Deficit Disorder - Residual Type (RT)

A Phase 3 study testing methylphenidate in people with Attention Deficit Hyperactivity Disorder, run by University of Utah at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The first phase was a double-blind crossover design of methylphenidate in the treatment of adult ADHD. The second phase consisted of an open-label extension trial of methylphenidate in adult ADHD. Read more about this study

Who is it for?
Ages 21 to 55 years
Conditions the study is for
Attention Deficit Hyperactivity Disorder
What is being tested?
methylphenidate
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
116 participants
Where
1 siteUnited States
Study dates
Feb 1986to Nov 1994
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 to 55 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Ages 21-55 years; male and female; met "Utah Criteria" for adult ADHD; 95th or higher percentile on the Parent Rating Scale and/or the Wender Utah Rating Scale;

Who cannot join

  • Patients with other axis-I and axis-II diagnoses were excluded as were patients with significant medical problems.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Univ of Utah, School of Medicine, Mood Disorders Clinic

    Salt Lake City, Utah, 84132

Other trials in United States

About this study

Official title: Further Studies of Attention Deficit Disorder - Residual Type

The first phase was a double-blind crossover design of methylphenidate in the treatment of adult ADHD. The second phase consisted of an open-label extension trial of methylphenidate in adult ADHD. It was hypothesized that methylphenidate would prove more effective than placebo in treating ADHD symptoms during the first phase. It was also hypothesized that methylphenidate responders from the double-blind trial would continue to benefit from treatment in the second phase. Improvement would include both ADHD symptoms and social adjustment.

Read the detailed description

All patients received a single-blind week on placebo, followed by a double-blind random assignment crossover trial of methylphenidate and placebo, with each double-blind phase lasting two weeks. Subjects who experienced moderate or marked improvement on methylphenidate would be allowed to enter a long-term, open-label trial. ADHD symptom severity was measured monthly by a structured interview, the Wender-Reimherr Adult Attention Deficit Disorder Scale (WRAADDS), Clinical Global Impression - Improvement (CGI-I) and Global Assessment of Functioning (GAF). Social functioning was assessed by the clinician administered version of the Weissman Social Adjustment Scale (WSAS). Dosing was determined by clinical judgement, symptom improvement and AEs.

Being tested
methylphenidate, placebo
Keywords
ADHD, Adult, crossover, randomized, Long-term, Open-label, methylphenidate, Social adjustment
Medical subject headings
Attention Deficit Disorder with Hyperactivity, Social Adjustment

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • methylphenidateDrug

    Also called ritalin

    Dosing was flexible and dependent on clinical judgement, AEs and treatment response.

  • methylphenidateDrug

    Also called ritalin

    Patients were begun at 10 mg t.i.d. and the dose increased as necessary until a maximum dose of 60 mg/day was administered. Frequency could be increased and some patients had dosage schedules of 4 to 6 times per day

  • placeboDrug

    Dosing is identical to the MPH arm except that the pills will contain no active medication.

Study groups in NCT00693212
Study groupRoleWhat they receive
aExperimentalThis arm was only open to subjects entering the second, open-label phase. All subjects were given open-label methylphenidate. Dosing was flexible.
Receives: Drug: methylphenidate
MPHExperimentalThis is the active treatment arm of the double-blind placebo controlled phase. Patients were begun at 10 mg t.i.d. and the dose increased as necessary until a maximum dose of 60 mg/day was administered. Frequency could be increased and some patients had dosage schedules of 4 to 6 times per day
Receives: Drug: methylphenidate
PBOPlacebo comparatorThis 2 week arm is the placebo part of the crossover design. Subjects receive placebo in a manner similar to the MPH arm. It lasts 2 weeks.
Receives: Drug: placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Wender-Reimherr Adult Attention Deficit Disorder Scale

    Measured: Monthly

Secondary outcomes (3)
  1. Clinical Global Impression - Improvement

    Measured: monthly

  2. The Global Assessment of Functioning (GAF).

    Measured: monthly

  3. The Weissman Social Adjustment Scale (WSAS)

    Measured: At termination

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Jun 2008 (estimated)
  2. Study startFeb 1986
  3. Primary completionNov 1994
  4. Study completionNov 1994

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
116 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00693212
Sponsor's protocol ID
IRB 1491
Status last verified
Jun 2008
First submitted
3 Jun 2008
Last updated
6 Jun 2008
Results posted
No
Data monitoring committee
No
Expanded access
Available

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing methylphenidate in people with Attention Deficit Hyperactivity Disorder, run by University of Utah at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 6 Jun 2008. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Wender-Reimherr Adult Attention Deficit Disorder Scale (time frame: Monthly). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Jun 2008.

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