Dyslipidemias Clinical Trial
— INNOVAOfficial title:
Study of Adherence to Antihypertensive Drugs and Statins in the Population of Subjects With Hypertension Followed at SIIA Centers, Using an Innovative Monitoring Based on Hair Analysis
The problem of adherence to long-term therapies has been known for years and occurs substantially in all countries, although with greater severity in developing countries. The investigators designed a prospective open study in which 200 patients followed for hypertension at the centers of the Italian Society of Hypertension (SIIA) adhering to the project will be evaluated on the basis of their clinical characteristics, the presence of comorbidities and the therapeutic scheme in place and will be subjected to hair sampling for the analysis of drugs of interest and their possible metabolites in this matrix. The use of the prescribed drugs is recorded along with the relevant clinical parameters and preliminarily evaluated by application of a questionnaire. At the first visit, patients who have been prescribed continuously in the 3 months preceding the study the same active ingredients will be invited to participate in the study, which involves a hair sampling. They will then be prescribed the same active ingredients according to the same scheme if the blood pressure values are within the recommended limits. When more than one antihypertensive drug is present in the therapeutic scheme, they will be prescribed in a single pill, as recommended. For patients with uncontrolled blood pressure, the therapeutic scheme will be modified with the inclusion of other active ingredients and using drug combinations when possible. Patients treated with statins will continue the treatment according to clinical indication using associations with antihypertensive drugs. Patients will be examined and re-tested 3-4 months after the first visit. The use of prescribed medications will be recorded along with clinical parameters of interest and preliminarily evaluated by application of questionnaires. At each of the two visits, the investigating physician will measure blood pressure using a semi-automatic device The 24-hour blood pressure monitoring will be used. Hair extraction ad UHPLC-QQQ/MS analysis will be performed. Concentrations of active ingredient and any metabolites in the keratin matrix are expressed in ng or fractions of ng/mg.
Status | Not yet recruiting |
Enrollment | 200 |
Est. completion date | July 31, 2023 |
Est. primary completion date | December 30, 2022 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 99 Years |
Eligibility | Inclusion Criteria: - All patients older than 18 years of both sexes with a diagnosis of hypertension undergoing treatment for at least 3 months with antihypertensive drugs and also statins. - Diagnosis of secondary forms of hypertension excluded. - Subjects who express their willingness to participate in the study by signing the consent form having understood the content of the written and verbal information provided about the purpose and mode of execution of the study. Exclusion Criteria: - Subjects unable to express voluntary adherence to the study. - Renal insufficiency with estimated glomerular filtrate less than 50 mL/minute- - Heart failure with functional class equal to or greater than II. - Chronic inflammatory disease. - Neoplastic disease. - Any chronic diseases requiring continuous treatment with drugs known to interact pharmacokinetically with the antihypertensive drugs being monitored. |
Country | Name | City | State |
---|---|---|---|
Italy | Azienda Ospedaliera Universitaria Integrata Verona | Verona |
Lead Sponsor | Collaborator |
---|---|
Azienda Ospedaliera Universitaria Integrata Verona | Societa Italiana dell'Ipertensione Arteriosa |
Italy,
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* Note: There are 17 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Determination of the concentration of antihypertensive drugs in hair samples collected at the first and second visits | Determination of drug concentration is used for the classification of patients as adherent or non-adherent to therapy or part of therapy based on the presence of quantifiable drugs in different segments of the hair sample representative of the time interval covered by the study | 3 months | |
Primary | Determination of the concentration of statins prescribed to patient in hair samples collected at the first and second visits | In patients who have had a prescription of statins in addition to antihypertensive drugs, their quantification in hair samples will be used to define the adherence to therapy. | 3 months | |
Secondary | Comparison the results of hair analysis performed at the first and second visits. | Comparison in adherence to therapy between hair analysis data performed at the first and second visits. | 3 months | |
Secondary | Comparison of adherence to therapy in the presence of change in therapy | Comparison of adherence to therapy in the presence of change in therapy with the evaluation of single compounds (both antihypertensives and statins) and comparison of adherence to therapy following the change from the use of single compounds or the same in polypill therapy (two or more active ingredients together) by comparison of hair analysis data performed at the first and second visits. | 3 months | |
Secondary | Analysis of the relationship between adherence to therapy and factors associated with the patient. | Analysis of the relationship between adherence to therapy and factors associated with the patient (age, demographic and anthropometric data, clinical conditions, prescription of other medications). | 3 months | |
Secondary | Assessment of the feasibility of hair analysis | Assessment of the feasibility of hair analysis involves comparison with data collected through questionnaires and a preliminary quantitative assessment of the analysis of prescribed medications in the hair. | 3 months |
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