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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Participant With ADHD | The record available for ADHD participants in primary care-based electronic medical records in the CPRD database linked to secondary care based episodic claims data available in HES database will be assessed. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| No intervention | Other | This is a non-interventional study. |
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| Measure | Description | Time Frame |
|---|---|---|
| Number of General Practitioner (GP) Appointments | Number of GP appointments will be reported. | Up to approximately 36 months |
| Number of Referrals to Psychiatrist | Number of referrals to psychiatrist will be reported. | Up to approximately 36 months |
| Number of Referrals by Specialist | Number of referrals by specialist will be reported. | Up to approximately 36 months |
| Number of Outpatient Visits by Specialist | Number of outpatient visits by specialist will be reported. | Up to approximately 36 months |
| Number of Investigations Undergone | Number and type of investigations undergone will be reported. | Up to approximately 36 months |
| Number of Accident and Emergency Visits | Number of accident and emergency visits will be reported. | Up to approximately 36 months |
| Number of Reasons for Admission | Number of reasons for admission will be reported. | Up to approximately 36 months |
| Number of Inpatient Hospitalizations | Number of inpatient hospitalizations will be reported. |
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Inclusion Criteria
Exclusion Criteria
A participant will be excluded from the study if their CPRD linked to HES electronic medical record data includes:
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Participant diagnosed with ADHD recorded between 01 January 2016 and 30 June 2018.
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| Name | Affiliation | Role |
|---|---|---|
| Study Director | Takeda | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| IQVIA Ltd | London | N19JY | United Kingdom |
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| Label | URL |
|---|---|
| To obtain more information on the study, click here/on this link | View source |
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Takeda provides access to the de-identified individual participant data (IPD) for eligible studies to aid qualified researchers in addressing legitimate scientific objectives (Takeda's data sharing commitment is available on https://clinicaltrials.takeda.com/takedas-commitment?commitment=5). These IPDs will be provided in a secure research environment following approval of a data sharing request, and under the terms of a data sharing agreement.
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IPD from eligible studies will be shared with qualified researchers according to the criteria and process described on https://vivli.org/ourmember/takeda/ For approved requests, the researchers will be provided access to anonymized data (to respect patient privacy in line with applicable laws and regulations) and with information necessary to address the research objectives under the terms of a data sharing agreement.
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| ID | Term |
|---|---|
| D001289 | Attention Deficit Disorder with Hyperactivity |
| ID | Term |
|---|---|
| D019958 | Attention Deficit and Disruptive Behavior Disorders |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
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| Up to approximately 36 months |
| Length of Stay in Hospital | Length of stay in hospital will be reported. | Up to approximately 36 months |
| Total Healthcare Costs | Health care cost includes prescription costs, primary health care consultations, investigations, hospital admissions, and outpatient appointments. | Up to approximately 36 months |
| Number of Participants Prescribed With Pharmacological Treatments | Number of participants prescribed with pharmacological treatment will be reported. | Up to approximately 36 months |
| Number of Participants Received Non-Pharmacological Treatments | The number of participants who received non-pharmacological treatments will be reported. | Up to approximately 36 months |
| Number of Participants Received Non-Pharmacological Therapy | The non-pharmacological therapy will be cognitive behavioural therapy. Number of participants who received non-pharmacological therapy will be reported. | Up to approximately 36 months |