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Attention Deficit Disorder With HyperactivityNCT06063382

Extra Time on Brazilian College Level Exam for Students With and Without ADHD

A study testing Extended time 25% and Extended time 50% in people with Attention Deficit Disorder With Hyperactivity, run by Hospital de Clinicas de Porto Alegre at 1 site in Brazil.

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

Standardized tests such as the Scholastic Aptitude Test (SAT) and the brazilian National High School Exam (ENEM) give more time for students with Attention Deficit and Hyperactivity Disorders (ADHD) to complete the exam. Read more about this study

Who is it for?
Ages 16 to 40 yearsHealthy volunteers can take part
What is being tested?
Extended time 25% and Extended time 50%
Could I receive a placebo?
No, everyone receives an active treatment
How many people
103 participants
Where
1 siteBrazil
Study dates
30 Aug 2023to 18 Sep 2025
Phase
Interventional
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 16 to 40 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult

Who may be able to join

  • Brazilian citizen;
  • Planing to participate in college-entry standardized tests (ENEM, Vestibulares);

Who cannot join

  • Medical condition and/or disability that may hinder the neuropsychological testing;
  • Intelligence Quotient (IQ) lower than 80;
  • Psychotic disorders, bipolar disorders, current moderate or severe depressive episode, suicide risk, autism spectrum disorders, learning disabilities.

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • Hospital de Clínicas de Porto Alegre

    Porto Alegre, Rio Grande do Sul, 90035903

Other trials in Brazil

About this study

Official title: Extended Time on Exams as an Accommodation at First Level of Higher Education: A Randomized Controlled Study

Standardized tests such as the Scholastic Aptitude Test (SAT) and the brazilian National High School Exam (ENEM) give more time for students with Attention Deficit and Hyperactivity Disorders (ADHD) to complete the exam. The goal of this study is to find out if giving students with ADHD more time on tests actually helps them. Additionally, the research aims to find out if more time helps students without ADHD too or not, or even if it only helps students with certain traits.

Read the detailed description

Initially, the participants of this study will fill out forms and questionnaires online. Then, they will go through a psychiatric evaluation, where they will talk to a psychiatrist, and neuropsychological testing, where they will do some mental activities. Later on, they will do a mock test of the ENEM, with and without extra time.

Being tested
Extended time 25%, Extended time 50%
Keywords
Extended time, Academic test Performance, Academic Achievement, Neuropsychological Testing, Cognitive Function
Medical subject headings
Attention Deficit Disorder with Hyperactivity

What participants receive

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

  • Extended time 25%Behavioural

    Considering a standard time of 40 minutes, participants will receive 50 minutes to complete the exam.

  • Extended time 50%Behavioural

    Considering a standard time of 40 minutes, participants will receive 50 minutes to complete the exam.

Study groups in NCT06063382
Study groupRoleWhat they receive
ADHD groupExperimentalParticipants with Attention Deficit Disorder/Hyperactivity (ADHD) diagnosis who will take three equivalent academic exams, having 40 minutes (standard time), 50 minutes (25% increase) and 60 minutes (50% increase) to complete the exam.
Receives: Behavioral: Extended time 25%; Behavioral: Extended time 50%
Control groupActive comparatorParticipants without Attention Deficit Disorder/Hyperactivity (ADHD) diagnosis who will take three equivalent academic exams, having 40 minutes (standard time), 50 minutes (25% increase) and 60 minutes (50% increase) to complete the exam.
Receives: Behavioral: Extended time 25%; Behavioral: Extended time 50%

What is being measured

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

  1. Change from Baseline in Test Scores Under Three Time-Limited Testing Conditions.

    Test performance measured by the proportion of correct answers weighted according to the Item Response Theory.

    Measured: During a two-hour-and-a-half intervention.

Secondary outcomes (1)
  1. Between-Group Difference in Change from Baseline in Test Scores Under Three Time-Limited Testing Conditions (ADHD vs. Non-ADHD Participants).

    Test performance measured by the proportion of correct answers weighted according to the Item Response Theory.

    Measured: During a two-and-a-half-hour intervention.

Timeline

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

  1. First posted2 Oct 2023
  2. Study start30 Aug 2023
  3. Primary completion18 Sep 2025
  4. Study completion18 Sep 2025

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 N/A
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Model description
Participants will be assigned either to the "ADHD group" or "non-ADHD group" based on diagnosis. Both groups will receive the same intervention, which is to perform three academic exams based on the Brazilian National High School Exam (ENEM) under three different time conditions (40 minutes, 50 minutes and 60 minutes). The order in which they will perform each exam and with which time condition will be randomized. In order to emulate real-life conditions in which students compete for college entry and motivate them, the participants will be competing for valuable prizes (ebook readers).
Masking
None (open label)
Enrolment
103 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06063382
Sponsor's protocol ID
2022-0458
Other IDs
64785722.0.0000.5327
Status last verified
Nov 2025
First submitted
18 Sep 2023
Last updated
20 Nov 2025
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Malcon L, Gomes Silva A, Bezerra Falcao A, Bonganhi de Bem E, Grevet F, Wagner F, Duarte I, Barbedo L, Schneider M, Rohde LA, Hoffmann M, Caye A. Efficacy of Extended Time on Exams for College Students and Applicants With Attention-Deficit/Hyperactivity Disorder: Protocol for a Randomized, Counterbalanced Crossover and Within-Subject Trial. JMIR Res Protoc. 2026 Jun 3;15:e80271. doi: 10.2196/80271.

    PubMed 42235056

Questions about this trial

What is this clinical trial studying?

A study testing Extended time 25% and Extended time 50% in people with Attention Deficit Disorder With Hyperactivity, run by Hospital de Clinicas de Porto Alegre at 1 site in Brazil.

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 2 inclusion and 3 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 20 Nov 2025. 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 Brazil. 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. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

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?

Change from Baseline in Test Scores Under Three Time-Limited Testing Conditions. (time frame: During a two-hour-and-a-half intervention.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06063382, which also lists 1 linked publication.

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 20 Nov 2025.

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