Assessment of the Prescriber's and the Pharmacies Overview of Patient Medication by Use of the Fidelity Coefficient.
NCT ID: NCT01128660
Last Updated: 2013-02-04
Study Results
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Basic Information
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COMPLETED
283388 participants
OBSERVATIONAL
2010-06-30
2010-08-31
Brief Summary
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Detailed Description
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The investigators intend to assess this parameter in an observational population scale database study, using standard descriptive statistics, and subsequently compare the obtained average FCPresc and FCPharm.
Furthermore, the investigators will analyze the two obtained FCs for dependency of a predefined list of variables: age, gender, number of prescriptions, whether the most frequent prescriber was a GP and whether the most used pharmacy was urban.
Finally, the investigators intend to analyze which medications (grouped using the ATC-system with 4 digits, e.g. C07A) that has the highest proportion of prescriptions that were either issued by a non-main prescriber or redeemed at a non-main pharmacy, which roughly translates into the most 'infidel' medications. To insure relevance we intend to use a cut-off-value of the medication being prescribed at least 50.000 times, which equals about 85 % of the data according to preceding analyses.
The data for this study will be obtained from the Odense University Pharmacoepidemiological Database (OPED). In brief, it is a research database with full coverage of all reimbursed prescriptions in the Region of Southern Denmark (1.2 million inhabitants). The data included in each prescription record includes the prescription holder, the prescriber, the pharmacy, the date of dispensing and a full account of the dispensed product, including substance, brand name, route of administration, ATC-code and Defined Daily Dose (DDD).
Some drugs are exempt from re-imbursement and thus not covered by the database, including benzodiazepines, oral contraceptives, laxatives and certain antibiotics.
Conditions
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Study Design
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COHORT
RETROSPECTIVE
Study Groups
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RSD-citizens
Residents of Southern Denmark, who filed more than 9 prescriptions during 2009.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
ALL
No
Sponsors
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University of Southern Denmark
OTHER
Responsible Party
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Jesper Hallas
Professor of Clinical Pharmacology
Principal Investigators
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Jesper Hallas, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Professor, Research Unit of Clinical Pharmacology, University of Southern Denmark.
Anton Pottegard, BSc in Pharm
Role: PRINCIPAL_INVESTIGATOR
Guest Researcher, Research Unit of Clinical Pharmacology, University of Southern Denmark.
Locations
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Research Unit of Clinical Pharmacology, University of Southern Denmark
Odense, Funen, Denmark
Countries
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References
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Pottegard A, Hallas J. Physicians' and pharmacies' overview of patients' medication. An analysis of fidelity coefficients. Eur J Clin Pharmacol. 2011 Sep;67(9):919-24. doi: 10.1007/s00228-011-1026-3. Epub 2011 Mar 12.
Other Identifiers
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JH-AP-001
Identifier Type: -
Identifier Source: org_study_id
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