E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
HYPERTENSION AND HYPOVITAMINOSIS D |
IPERTENSIONE ARTERIOSA ED IPOVITAMINOSI D |
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E.1.1.1 | Medical condition in easily understood language |
HIGH BLOOD PRESSURE LEVELS AND LOW VITAMIN D LEVELS |
ELEVATI VALORI DI PRESSIONE ARTERIOSA E BASSI LIVELLI DI VITAMINA D |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cardiovascular Diseases [C14] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10015488 |
E.1.2 | Term | Essential hypertension |
E.1.2 | System Organ Class | 10047065 - Vascular disorders |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10047626 |
E.1.2 | Term | Vitamin D deficiency |
E.1.2 | System Organ Class | 10027433 - Metabolism and nutrition disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To evaluate the efficacy of cholecalciferol supplementation on blood pressure control and clinical and subclinical organ damage in patients with essential hypertension, stable drug therapy, and documented vitamin D deficiency |
Valutare l’efficacia della supplementazione con colecalciferolo sul controllo pressorio e sulla progressione del danno d’organo subclinico e clinico in pazienti con ipertensione arteriosa essenziale, trattamento farmacologico stabile e documentato deficit di vitamina D |
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E.2.2 | Secondary objectives of the trial |
To evaluate the influence of vitamin D receptor (VDR) allelic variants on pharmacological response to oral cholecalciferol therapy |
Valutare l'influenza delle varianti alleliche del recettore della vitamina D (VDR) sulla risposta farmacologica alla supplementazione per os con colecalciferolo |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
PHARMACOGENOMIC: Vers:01 Date:2012/07/25 Title:Pharmacogenomic of cholecalciferol supplementation Objectives:To evaluate the effects of vitamin D receptor allelic variants on response to cholecalciferol supplementation in patients with hypovitaminosis D
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FARMACOGENOMICA: Vers:01 Data:2012/07/25 Titolo:Farmacogenomica della supplementazione con colecalciferolo Obiettivi:Valutare gli effetti che le varianti alleliche del gene del recettore della vitamina D (VDR) possono avere sulla risposta farmacologica alla supplementazione con colecalciferolo nei soggetti con ipovitaminosi D
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E.3 | Principal inclusion criteria |
Patients of both sexes with essential hypertension, systolic and diastolic blood pressure lower than 140 mmHg and 90 mmHg respectively during stable drug's treatment, and serum levels of 25OHD3 lower than 20 ng/ml |
Pazienti ambosessi con ipertensione arteriosa essenziale, valori di pressione arteriosa sistolica e diastolica stabilmente inferiori a 140 mmHg e 90 mmHg in corso di terapia farmacologica e livelli serici di 25OHD3 inferiori a 20 ng/ml |
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E.4 | Principal exclusion criteria |
- Age <35 yrs. or >75 yrs. - Body Mass Index <20 Kg/m2 or >35 Kg/m2 - Secondary hypertension - Personal and/or family history of rickets and osteomalacia - Serum levels of total calcium and/or intact PTH beyond the upper limit of laboratory reference range - Primary or secondary hyperparathiroidism - Fasting blood glucose >126 mg/dL. - Glomerular filtrate ratio <60 ml/min/1,73 m2 - Renal tubular acidosis - TSH serum levels <0.5 mUI/ml or >4.5 mUI/ml - Alteration in nutritional status - Personal history positive for sarcoidosis, type I and II diabetes mellitus, nephrolithiasis, atrial fibrillation, atrial flutter, atrial or ventricular extrasystoles Lown class II or higher. - Electrocardiographic evidence of non-normal sinus rhythm or atrial/ventricular extrasystoles. - Positive history for assumption of antiarrhythmic agents, digoxin, warfarin, anticonvulsant or barbituric drugs, systemic glucocorticoids, antacid drugs containing aluminum, magnesium, cholestiramine or colestipol, orlistat, rifampicin, antiresorptive drugs, vitamin D. |
- Età <35 anni e >75 anni - Indice di massa corporea <20 Kg/m2 e >35 Kg/m2 - Forme secondarie di ipertensione arteriosa - Anamnesi personale e familiare positiva per rachitismo e osteomalacia - Livelli serici di calcemia serica totale e/o PTH intatto superiori al limite massimo di riferimento - Ipoparatiroidismo primitivo o secondario - Glicemia a digiuno >126 mg/dL - Filtrato glomerulare stimato <60 ml/min/1,73 m2 - Acidosi tubulare renale - Livelli serici di TSH <0.5 mUI/ml o >4.5 mUI/ml - Alterazione dello stato nutrizionale ed assorbitivo - Anamnesi personale positiva per sarcoidosi, diabete mellito di tipo I e II, nefrolitiasi, fibrillazione atriale, flutter atriale, extrasistolia atriale o ventricolare di classe Lown II o superiore. - Evidenza elettrocardiografica di ritmo cardiaco differente dal ritmo sinusale o extrasistolia atriale/ventricolare - Anamnesi farmacologia positiva per l’assunzione di farmaci antiaritmici, digossina e/o digitale, warfarin, anticonvulsivanti o barbiturici, glucocorticoidi sistemici, antiacidi contenenti alluminio, integratori contenenti magnesio, colestiramina o colestipolo, orlistat, rifampicina, antiriassorbitivi e/o vitamina D. |
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E.5 End points |
E.5.1 | Primary end point(s) |
- Comparative evaluation between the two groups of overall drugs consumption for maintenance of blood pressure control during the study - A composite endopoint linked to the evaluation of organ damage(considered reached after achieving at least one secondary endpoint) |
- Valutazione comparativa tra i due gruppi del consumo globale di farmaci necessario per il mantenimento del controllo pressorio nel corso dello studio - Un endpoint composito collegato alla valutazione della progressione del danno d’organo nei due gruppi di studio (ritenuto raggiunto in caso di raggiungimento di almeno un endpoint secondario) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Twelve-months |
Dodici mesi |
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E.5.2 | Secondary end point(s) |
- Left ventricular massreduction ≥7 g/m2.7 - Pulse wave velocity reduction ≥ 0.9 m/s - Albuminuria reduction ≥ 45 mg/24h - Reduction in circulating levels of atrial natriuretic peptide ≥600 fmol/ml |
- Riduzione della massa ventricolare sinistra ≥7 g/m2.7 - Riduzione della velocità dell’onda di polso ≥0.9 m/s - Riduzione dell’albuminuria ≥45 mg/24h - Riduzione dei livelli circolanti di peptide natriuretico atriale ≥600 fmol/ml |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Twelve months |
Dodici mesi |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | No |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 16 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 24 |
E.8.9.1 | In the Member State concerned days | 0 |