- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02487472
Burden of Herpes Zoster and Post-herpetic Neuralgia Among People ≥ 50 Years Old in France
Burden of Herpes Zoster and Post-herpetic Neuralgia Among People ≥ 50 Years Old in France: the POSTHER Study
Study Overview
Detailed Description
- An observational, prospective cohort study of patients ≥ 50 years old with a Herpes Zoster (HZ) diagnosis, carried out by a national random sample of community first line practitioners concerned by HZ diagnosis: general practitioners, dermatologists and ophthalmologists.
- All patients ≥ 50 years old with a HZ diagnosis (as the primary diagnoses and without history of previous HZ) during approximately 6 months inclusion period will be included in the HZ cohort, until total study target is achieved.
- All Patients of the HZ cohort presenting a Post-herpetic neuralgia (PHN) 3 months after onset of the HZ rash onset will be included secondarily in the PHN cohort
- Patients of the HZ cohort will be followed-up for 3 months (i.e. 1 and 3 months after HZ rash onset) and patients of the PHN cohort will be followed-up for additional 6 months (i.e., 6 and 9 months after HZ rash onset) using phone interviews with a nurse.
- 250 cases of HZ and 40 cases of PHN are expected, with the hypothesis of 16% of PHN 3 months after HZ rash onset.
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
For HZ cohort
- Patient with a first visit for a diagnosis of HZ and who attend the clinic within two week of the HZ start of symptoms,
- Without history of previous HZ,
- ≥ 50 years old,
- Who agree to participate and signed informed consent,
- Able to understand the study, to complete self-administered questionnaires and to answer phone interviews.
For PHN cohort
- All Patients of the HZ cohort presenting PHN 3 months after onset of the HZ rash onset will be included in the PHN cohort. PHN will be defined as the presence of HZ-associated severe pains: ≥ 3 of the ZBPI item "worst pain".
Exclusion Criteria:
- None
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
HZ cohort
All patients ≥ 50 years old with a HZ diagnosis (as the primary diagnoses and no earlier case of HZ) during approximately 6 months inclusion period will be included in the HZ cohort, until total study target is achieved.
|
Data sheet, ZBPI questionnaire and EQ-5D 5L Health state questionnaire
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of Herpes Zoster (HZ) and Postherpetic Neuralgia (PHN) Related Direct Medical Costs by Drugs Prescribed.
Time Frame: Before inclusion and at inclusion (Month 0)
|
Evaluation of HZ and PHN related direct medical costs were done by the drugs prescribed before and at inclusion.
The drugs prescribed were defined as a direct cost.
|
Before inclusion and at inclusion (Month 0)
|
Evaluation of HZ and PHN Related Direct and Indirect Medical Costs by Sick Leave Prescription and Medical Visit
Time Frame: At Inclusion (Month 0)
|
Evaluation of HZ and PHN related indirect costs, estimated by direct medical costs were done by the sick leave prescription and medical visit at inclusion.
Sick leave prescriptions were defined as an indirect medical cost and medical visits were defined as a direct medical cost.
|
At Inclusion (Month 0)
|
Evaluation of HZ and PHN Related Direct and Indirect Medical Costs by Drugs Prescribed, Sick Leave Prescription and Medical Visits
Time Frame: Cumulatively up to Month 3
|
Evaluation of HZ and PHN related direct medical costs were done by drugs prescribed, sick leaves prescribed, medical visits to a specialist and patient reference to a hospital.
|
Cumulatively up to Month 3
|
Evaluation of HZ and PHN Related Direct and Indirect Medical Costs by Drugs Prescribed, Sick Leave Prescription and Medical Visits
Time Frame: From Month 3 to Month 6
|
Evaluation of HZ and PHN related direct and indirect medical costs were done by the drugs prescribed, sick leaves prescribed and medical visits from month 3 to month 6 for the PHN cohort
|
From Month 3 to Month 6
|
Evaluation of HZ and PHN Related Direct and Indirect Medical Costs by Drugs Prescribed, Sick Leave Prescription and Medical Visits
Time Frame: From Month 6 to Month 9
|
Evaluation of HZ and PHN related direct and indirect medical costs were done by the drugs prescribed, sick leaves prescribed and medical visits from month 6 to month 9 for the PHN cohort
|
From Month 6 to Month 9
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluation of HZ and PHN Severity for Last 24 Hour Worst Pain From the ZBPI Questionnaire
Time Frame: At inclusion (Month 0), Month 1 and Month 3
|
HZ and PHN severity was evaluated using 3 categories- mild pain (0<pain<3), moderate pain (3 ≤ pain < 7) and severe pain (7 ≤ pain) for the last 24 hour worst pain. The Zoster Brief Pain Inventory (ZBPI) questionnaire is a self-administered form to assess HZ pain and burden associated with HZ pain using scales from:
|
At inclusion (Month 0), Month 1 and Month 3
|
Evaluation of HZ and PHN Severity for Last 24 Hour Worst Pain From the ZBPI Questionnaire
Time Frame: At inclusion (Month 0), Month 1, 3, 6 and 9
|
HZ and PHN severity was evaluated using 3 categories- mild pain (0<pain<3), moderate pain (3 ≤ pain < 7) and severe pain (7 ≤ pain) for the last 24 hour worst pain.
|
At inclusion (Month 0), Month 1, 3, 6 and 9
|
Evaluation of Impact of HZ and PHN on Quality of Life (QOL) and Utilities Using EQ-5D-5L Questionnarie
Time Frame: At inclusion (Month 0)
|
Impact of HZ & PHN on QOL was evaluated using EQ-5D-5L questionnaire,which has 2 parts: EQ-5D-5L descriptive system & EQ Visual analogue scale(EQ-VAS). EQ-5D-5L descriptive system comprises of 5 dimensions-mobility,self-care,usual activities,pain/discomfort & anxiety/depression.Each dimension has 5 levels:not at all(level 1),mild(level 2),moderate(level 3),severe(level 4),extreme/leading to incapacity(level 5),with highest level corresponding to worst outcome.Subjects had to indicate their health state by choosing the appropriate level from each dimension.The 5 digit health states thus obtained for each dimension were then converted into a single mean index value using the EQ-5D-5L crosswalk index value calculator as recommended by EuroQol group.In the EQ-VAS,subjects had to record their health state on a scale ranging from 0(worst imaginable health state) to 100(best imaginable health state).A mean of this health state was recorded for subjects analyzed in this outcome measure |
At inclusion (Month 0)
|
Evaluation of Impact of HZ and PHN on Quality of Life and Utilities Using EQ-5D-5L for PHN Cohort
Time Frame: At inclusion (Month 0), Month 1, 3, 6 and 9
|
Impact of HZ & PHN on QOL was evaluated using EQ-5D-5L questionnaire,which has 2 parts: EQ-5D-5L descriptive system & EQ Visual analogue scale(EQ-VAS). EQ-5D-5L descriptive system comprises of 5 dimensions-mobility,self-care,usual activities,pain/discomfort & anxiety/depression.Each dimension has 5 levels:not at all(level 1),mild(level 2),moderate(level 3),severe(level 4),extreme/leading to incapacity(level 5),with highest level corresponding to worst outcome.Subjects had to indicate their health state by choosing the appropriate level from each dimension.The 5 digit health states thus obtained for each dimension were then converted into a single median index value using the EQ-5D-5L crosswalk index value calculator as recommended by EuroQol group.In the EQ-VAS,subjects had to record their health state on a scale ranging from 0(worst imaginable health state) to 100(best imaginable health state).A median of this health state was recorded for subjects analyzed in this outcome measure |
At inclusion (Month 0), Month 1, 3, 6 and 9
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Nervous System Diseases
- Skin Diseases
- Virus Diseases
- Infections
- Pain
- Neurologic Manifestations
- Neuromuscular Diseases
- Peripheral Nervous System Diseases
- DNA Virus Infections
- Skin Diseases, Infectious
- Skin Diseases, Viral
- Herpesviridae Infections
- Varicella Zoster Virus Infection
- Neuralgia
- Herpes Zoster
- Herpes Simplex
- Neuralgia, Postherpetic
Other Study ID Numbers
- 201926
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