Skip to main content
OpenTrials
Completed

NCT Number: NCT05137704

A Study on the Use of Healthcare Resources and Costs of Attention Deficit Hyperactivity Disorder (ADHD) in Adults in England

The main aim of the study is to learn about the demographic and clinical characteristics, healthcare resources utilization (HCRU) and costs associated with before and after ADHD diagnosis in England. No study medicines will be provided to participants in this study. The record available in Clinical Practice Research Datalink (CPRD) database and Hospital Episode Statistics (HES) database for ADHD participants will be assessed.

Completed

Looking for future studies?

Notify Me

Key information

Conditions

Attention Deficit Hyperactivity Disorder (ADHD) Attention Deficit Disorder with Hyperactivity Attention Deficit and Disruptive Behavior Disorders Mental Disorders Neurodevelopmental Disorders

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

IQVIA Ltd

London, N19JY, United Kingdom

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age greater than or equal to (>=) 18 years at the beginning of the patient observation period (that is 18-months prior to the adult ADHD diagnosis to ensure they would have been seen in adult health care services).
  • First record of an adult ADHD diagnosis between 01st January 2016 and 30th June 2018.
  • Data availability in the database at least during the 18-months before and after the index date.

Exclusion criteria

A participant will be excluded from the study if their CPRD linked to HES electronic medical record data includes:

  • Incomplete information for key demographics (that is, missing age or sex).
  • Clinical history of a diagnosis of ADHD during childhood or adolescence.
  • Prescription of a licensed adult ADHD medication (that is, methylphenidate, lisdexamfetamine, dexamfetamine, atomoxetine) during the pre-index period.

Treatment and study plan

No intervention

Other

This is a non-interventional study.

Primary outcomes

  1. Number of General Practitioner (GP) Appointments

    Time frame: Up to approximately 36 months

    Number of GP appointments will be reported.

  2. Number of Referrals to Psychiatrist

    Time frame: Up to approximately 36 months

    Number of referrals to psychiatrist will be reported.

  3. Number of Referrals by Specialist

    Time frame: Up to approximately 36 months

    Number of referrals by specialist will be reported.

  4. Number of Outpatient Visits by Specialist

    Time frame: Up to approximately 36 months

    Number of outpatient visits by specialist will be reported.

  5. Number of Investigations Undergone

    Time frame: Up to approximately 36 months

    Number and type of investigations undergone will be reported.

  6. Number of Accident and Emergency Visits

    Time frame: Up to approximately 36 months

    Number of accident and emergency visits will be reported.

  7. Number of Reasons for Admission

    Time frame: Up to approximately 36 months

    Number of reasons for admission will be reported.

  8. Number of Inpatient Hospitalizations

    Time frame: Up to approximately 36 months

    Number of inpatient hospitalizations will be reported.

  9. Length of Stay in Hospital

    Time frame: Up to approximately 36 months

    Length of stay in hospital will be reported.

  10. Total Healthcare Costs

    Time frame: Up to approximately 36 months

    Health care cost includes prescription costs, primary health care consultations, investigations, hospital admissions, and outpatient appointments.

  11. Number of Participants Prescribed With Pharmacological Treatments

    Time frame: Up to approximately 36 months

    Number of participants prescribed with pharmacological treatment will be reported.

  12. Number of Participants Received Non-Pharmacological Treatments

    Time frame: Up to approximately 36 months

    The number of participants who received non-pharmacological treatments will be reported.

  13. Number of Participants Received Non-Pharmacological Therapy

    Time frame: Up to approximately 36 months

    The non-pharmacological therapy will be cognitive behavioural therapy. Number of participants who received non-pharmacological therapy will be reported.

Sponsors and collaborators

Lead sponsor

Takeda

Industry

Registry information

Official study title

Healthcare Resources Utilization and Associated Costs of Adult ADHD in England

Important dates

Study start
2021
Primary completion
2022
Study completion
2022
First posted
Nov 30, 2021
Registry last updated
Jul 12, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.