Status: Finalised
First registered on:
19/09/2019
Last updated on:
09/11/2022
1. Study identification
EU PAS Register NumberEUPAS31095
Official titleImpact of EU label changes and revised pregnancy prevention programme for oral retinoid containing medicinal products: utilization and prescribing trends
Study title acronym
Study typeObservational study
Brief description of the studyOral retinoids are used to treat dermatological conditions like severe acne vulgaris (isotretinoin) psoriasis (acitretin) and chronic hand eczema (alitretinoin), some oral retinoids are also used to treat skin manifestations of T-cell lymphoma (bexarotene) and acute promyelocytic leukaemia (tretinoin). All oral retinoids are highly teratogenic and must not be used during pregnancy.
The aim of this study is to investigate the use of oral retinoid containing medicinal products authorised in the EU before and after implementation of the 2018 revised measures for pregnancy prevention in clinical practice.
Was this study requested by a regulator?Yes: EMA
Is the study required by a Risk Management Plan (RMP)?
Not applicable
Regulatory procedure number (RMP Category 1 and 2 studies only)
Other study registration identification numbers and URLs as applicable
2. Research centres and Investigator details
Coordinating study entity
Centre to which the investigator belongsUMCU
Department/Research groupJulius Center
Organisation/affiliationUniversity Medical Center Utrecht
Details of (Primary) lead investigator
Title Dr
Last name Sturkenboom
First name Miriam
Is this study being carried out with the collaboration of a research network?
Yes
EU PE&PV research network
Other centres where this study is being conducted
Multiple centres
In total how many centres are involved in this Study?7
Danish National Registries, Denmark
BIFAP, Spain
FISABIO, Valencia, Spain
Caserta, Camania, Italy
Palermo, Sicily, Italy
SNIRAM, France
Countries in which this study is being conducted
International study
Denmark
France
Italy
Netherlands
Spain
3. Study timelines: initial administrative steps, progress reports and final report
PlannedActual
Date when funding contract was signed25/02/201925/02/2019
Start date of data collection01/01/201001/01/2010
Start date of data analysis01/08/2020
Date of interim report, if expected
Date of final study report25/12/202131/10/2022
4. Sources of funding
Please provide estimates of the percentage of funding by source for this study
Names(s)Approximate % funding
Pharmaceutical companies
Charities
Government body
Research councils
EU funding scheme
OtherEMA100
5. Contact details for enquiries
Scientific Enquiries
Title Dr
Last name Sturkenboom
First name Miriam
Address line 1Universiteitsweg 100
Address line 2
Address line 3
CityUtrecht
Postcode
CountryNetherlands
Phone number (incl. country code)31657831983
Alternative phone number
Fax number (incl. country code)
Public Enquiries
Title Dr
Last name Sturkenboom
First name Miriam
Address line 1Universiteitsweg 100
Address line 2
Address line 3
CityUtrecht
Postcode
CountryNetherlands
Phone number (incl. country code)31657831983
Alternative phone number
Fax number (incl. country code)
6. Study drug(s) information
Substance class (ATC Code)D05BB02 (acitretin)
Substance class (ATC Code)D11AH04 (alitretinoin)
Substance class (ATC Code)D10BA0 (isotretinoin)
7. Medical conditions to be studied
Medical condition(s)No
8. Population under study
Age
Adolescents (12 - 17 years)
Adults (18 - 44 years)
Adults (45 - 64 years)
Sex
Female
Other population
Pregnant women
9. Number of subjects
Estimated total number of subjects9000000
Additional information
All eligible subjects will be included in the study. Source population includes approximately 15-20 million women of childbearing age over the 11 year study period
PHARMO: 0.5 million
Denmark: 1.592 million
ARS: 1.352 million
BIFAP: 2.508 million
FISABIO : 1.0 million
Caserta: 0.318 million
Palermo: 0.382 million
SNIIRAM : unknown for now
10. Source of data
Is this study being carried out with an established data source?Yes
Data sources registered with ENCePP
Data sources not registered with ENCePP
FISABIO, Spain
Palermo, Italy
SNIIRAM, France
Sources of data
Disease/case registry
Administrative database, e.g. claims database
Routine primary care electronic patient registry
Pharmacy dispensing records
11. Scope of the study
What is the scope of the study?
Risk assessment
Drug utilisation study
Primary scope : Drug utilisation study
12. Main objective(s)
What is the main objective of the study?
This study will address the research question,
"What was the effect of the EU label changes
and the revised pregnancy prevention programme (2018) on utilization of oral retinoids and to what extent did prescribers and patients comply with
recommendations?".
Are there primary outcomes?Yes
- retinoid use (dispensing/prescription) (objective 1)
- pregnancy test (objective 2)
- contraceptive use (objective 2)
- pregnancy (objective 3)
- use of alternative medicines (objective 4)
Are there secondary outcomes?Yes
- reason for discontinuation of retinoids (objective 1)
13. Study design
What is the design of the study?
Cohort study
Drug utilisation study
14. Follow-up of patients
Will patients be followed up?Not applicable/no follow-up
15. Data analysis plan
Please provide a brief summary of the analysis method
1. Descriptive and hypothesis testing (objectives 1 through 4)
- Incidence rates and quarter-year prevalences of outcomes will be calculated.
- Interrupted time series analysis will be performed to test changes in outcomes before vs.
after implementation of PRAC intervention.
2. Overall evaluation (objective 5)
- The results of objectives 1-4 will be summarized qualitatively.
16. ENCePP seal
Are you requesting the ENCePP seal for this study?
Yes
17. Full protocol
18. Study Results
Please list the 5 most relevant publications using data from your study
ReferenceLink to web-publication
None
19. Other relevant documents
Other documents
DescriptionDocumentLatest version
Signed Code of
Conduct Checklist
Submitted
Signed Code of Conduct Declaration
Submitted
Signed Checklist for Study
Protocols
Submitted
