Myeloproliferative Neoplasms: an In-depth Case-control Study
18 Years
N/A
Both
Polycythemia Vera, Essential Thrombocythemia, Primary Myelofibrosis
Trial Information
Myeloproliferative Neoplasms: an In-depth Case-control Study
Myeloproliferative neoplasm cases
Inclusion criteria:
- Clinical diagnosis of polycythemia vera, essential thrombocythaemia or primary
myelofibrosis based on the WHO diagnostic criteria.
- Aged 18 years or older.
Exclusion Criteria:
- younger than 18 years old.
- where the clinician/General Practitioner (GP) does not provide consent.
- incapable of giving informed consent.
- physically or cognitively incapable of completing the questionnaire.
- too ill to participate
General Practice Controls
Inclusion Criteria:
- Randomly selected, frequency matched to the distribution of cases by 5-year age band,
geographic location (Belfast and Southampton) and gender.
- Aged 18 years or older.
Exclusion Criteria:
- younger than 18 years old.
- where the clinician/GP does not provide consent.
- incapable of giving informed consent.
- physically or cognitively incapable of completing the questionnaire.
- too ill to participate.
Relative/Friend Controls
Inclusion Criteria:
- Non-blood relative/friend of a case participating in the study.
- Aged 18 years or older.
Exclusion Criteria:
- younger than 18 years old.
- where the clinician/GP does not provide consent.
- incapable of giving informed consent.
- physically or cognitively incapable of completing the questionnaire.
- too ill to participate.
Type of Study:
Observational
Study Design:
Observational Model: Case Control, Time Perspective: Retrospective
Outcome Measure:
Influence of pre- and post- incentives on participation rates.
Outcome Description:
Difference in participation rates in those receiving: vs. not receiving a pen at initial contact. vs. not receiving a trolley token at initial contact. vs. not receiving a monetary incentive at initial contact. a MOSAICC pen vs. a non-branded pen following second contact. vs. not receiving a trolley token following second contact. a MOSAICC branded Pen +/or trolley token alone vs no non-monetary incentive following a second invite. a MOSAICC branded Pen +/or trolley token alone vs no incentive following a second invite. a MOSAICC branded Pen +/or trolley token alone vs pen/no pen & money following a second invite. 0/1 of these incentives vs. receiving 2/3 incentives following a second invite. Difference in proportion of patients completing study elements comparing: 0/1 vs 2/3 incentives. those receiving pre vs post invitation incentives.
Outcome Time Frame:
average 2 weeks
Safety Issue:
No
Authority:
United Kingdom: Research Ethics Committee
Study ID:
B12/24
NCT ID:
NCT01831635
Start Date:
April 2013
Completion Date:
June 2015
Related Keywords:
- Polycythemia Vera
- Essential Thrombocythemia
- Primary Myelofibrosis
- Primary Myelofibrosis
- Myeloproliferative Disorders
- Polycythemia
- Polycythemia Vera
- Thrombocythemia, Essential
- Thrombocytosis
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