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CompletedNCT00904670

Quillivant Oral Suspension (Quillivant XR) in the Treatment of Attention Deficit Hyperactivity Disorder (ADHD)

This study is completed. It focuses on ADHD and currently lists study information in the United States.

ADHDOtherFrom 6 Years to 12 Years
In plain English

Key information made simple

This study exists to compare options and see whether a medication treatment offers something meaningfully different. Researchers are trying to understand what a medication treatment could change in day-to-day care and decision-making. For people living with ADHD, the gap between what sounds good on paper and what works in daily life is often important. If the findings are useful, they could help future care become more targeted, practical, and easier to trust. Taking part helps build the evidence that can improve understanding and care for others over time.

What to expect

Your next step

The official record suggests in-person participation through a research setting, with sites including UC Irvine Child Development Center and Center for Psychiatry and Behavioral Medicine, Incorporated in Las Vegas. Participation appears to involve a study treatment together with follow-up visits and routine safety or progress checks. The main fit is usually having a stable enough treatment background for the study, while common reasons not to take part include other factors that could make participation unsuitable and other clinical factors that could make participation unreliable or unsafe. This is a later-stage study, which usually means a larger group and a closer look at how well the approach holds up.

Public study data

Key study information

Condition
Attention Deficit Hyperactivity Disorder
Study status
Completed
Sponsor / lead affiliation
Pfizer
Location / country
United States
Registry
ClinicalTrials.gov
Why this study may matter

Why this study may matter

This study may matter because it adds public evidence around adhd. HopeStage presents it as a starting point for understanding the study, checking the official source, and preparing questions with a care team.

Before joining

Questions to ask before joining

Official source

Registry reference

This page links back to the public source record so people can verify details directly with the registry and research team.

If you want the full study description, eligibility criteria, locations, and sponsor information in the original format, this is the place to check before taking the next step.

Open source record
Need help deciding?

Ask HopeStage to review this study with me

This form records your interest so HopeStage can follow up with practical guidance. It is not a medical eligibility decision and it does not guarantee a study spot.

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In practice

For you

Taking part may give access to a new approach being evaluated.

It requires regular visits and structured follow-up.

Requires travel, with in-person participation in United States.

Important

Not medical advice

Information from public sources. Are you the study sponsor? Contact us to update this page: hi@hopestage.com

Study clarity

Things to check before joining

Sponsor
Pfizer
Sponsor type
Unknown or unclear
Main activity
behavioral or lifestyle intervention
Intervention
Not available
Time commitment
long follow-up or multiple visits
Study phase
Not available
Enrollment
Not available
Recruitment status
Completed
Source
Official registry link
FAQ

Questions about this study

What is Quillivant Oral Suspension (Quillivant XR) in the Treatment of Attention Deficit Hyperactivity Disorder (ADHD)?

This study is exploring behavioral or lifestyle intervention for people with adhd. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed.

Who is behind this study, and what type of sponsor is it?

This study is sponsored by Pfizer. We could not clearly classify the sponsor type from the available data. Check the official source record to verify who is responsible for the study.

What does participation involve, what phase is it, and what should I ask about safety?

This study may involve behavioral or lifestyle intervention, study visits, and assessments. The time commitment is long follow-up or multiple visits. The study phase is not available in HopeStage data. Check the official source record to see whether a phase is listed. Enrollment is not available in HopeStage data. HopeStage cannot say whether a study is safe or right for you. Before joining, ask the research team about possible risks, time commitment, visits, side effects, compensation, safety monitoring, and whether participation may affect your current care.

Where can I verify the study details?

Use the official source record linked on this page to check the full study description, recruitment status, eligibility criteria, locations, sponsor information, phase, enrollment, contact details, and any listed risks or requirements.

Quillivant Oral Suspension (Quillivant XR) in the. — ADHD Clinical Trial | HopeStage