E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Postmenopausal female subjects with inadequate levels or deficit of 25(OH)D3 |
Donne in postmenopausa con inadeguato livello o deficit di 25(oh)d3 |
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E.1.1.1 | Medical condition in easily understood language |
Postmenopausal female subjects with inadequate levels or deficit of 25(OH)D3 |
Donne in postmenopausa con inadeguato livello o deficit di 25(oh)d3 |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nutritional and Metabolic Diseases [C18] |
MedDRA Classification |
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 compare the effects on the increase of circulating levels of 25(OH)D3 of three different therapeutic regimens of Calcidiol (Didrogyl) |
Comparare gli effetti dell’incremento dei livelli circolanti di 25(OH)D3 in 3 differenti regimi terapeutici di calcifediolo (Didrogyl) |
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E.2.2 | Secondary objectives of the trial |
To compare the effects of three different therapeutic regimens of Calcidiol (Didrogyl) on changes of serum and the urinary levels of mineral and bone biomarkers compared to baseline. |
Comparare gli effetti di tre differenti regimi terapeutici di Calcidiolo (Didrogyl) sulle variazioni rispetto al basale dei livelli sierici e urinari dei marcatori minerali e ossei. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Demographic characteristics
1. Caucasian
2. Aged >55 years
3. Postmenopausal status for female subjects (>2 years after last menstruation)
Medical and therapeutic criteria
4. Ambulatory (ability to walk independently)
5. BMI <30 kg/sq.m
6. Capable of understanding the purpose and risks of the study, fully informed and having given written informed consent (signed Informed Consent has been obtained).
7. Life expectancy sufficient to participate in the entire course of study
8. Vitamin D status as follows:
a. All subjects should have 25(OH)D3 serum concentrations <30 ng/ml
9. Intake of 1000 mg/day of calcium
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Caratteristiche demografiche:
1. Pazienti caucasici
2. Età >55 anni
3. Stato di postmenopausa (>2 anni dall’ultima mestruazione)
Criteri medici:
4. In grado di camminare autonomamente
5. BMI <30 kg/sq.m
6. Capacità di comprensione dello scopo e dei rischi dello studio, totalmente informato e consenso allo studio (firma del modulo di consenso informato ).
7. Aspettativa di vita sufficiente a partecipare all’intera durata dello studio
8. Valori della Vitamina D:
a. Tutti I soggetti dovrebbero avere una concentrazione sierica di 25(OH)D3 <30 ng/ml
9. Assunzione di 1000 mg/die di calcio
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E.4 | Principal exclusion criteria |
General criteria
1. Unlikely to co-operate in the study and to comply with the visits scheduled in the protocol
2. Simultaneously participating or having participated in another clinical trial with an investigational drug within 3 months previous to the admission in this study
3. Subjects belonging to any of the following categories: incarcerated persons, subjects in an emergency situation, subject with severe mental disorders, patients legally incapacitated.
Medical and therapeutic criteria
4. Progressive major illness (CVD, HIV, diabetes, active hepatitis B or C)
5. Planned hospitalization longer than 2 weeks during the course of the study (3- months)
6. Severe malabsorption syndrome
7. Severe renal insufficiency (Creatinine clearance <30 ml/min for males and 0.85 times this value for females)
8. Paget’s disease of bone
9. Hyper- or hypo-parathyroidism
10. Hypercalcemia
11. Sarcoidosis
12. Documented hypercalciuria without any calcium supplementation (>300 mg/24 hours), especially in case of history of renal lithiasis
13. History of intolerance, allergy or hypersensitivity to Didrogyl
14. Treatments interfering with bone and mineral metabolism:
- Vitamin D treatment >400 IU/day in the previous month before selection or doses >10000 IU within the previous 3 months or doses >50000 IU within the previous 12 months
- Calcitriol and alfacalcidol (above 0.25 µg/day) during the previous 6 months
- Lithium, thiazides
- Glucocorticoids:
Oral long-term treatment: more than 5 mg/day equivalent prednisolone for more than 8 months during the previous year or more than 2 g equivalent prednisolone in the previous year
Inhaled long-term treatment steroids: more than 1000 microgram/day for more than 6-months in the previous year.
- Immunosuppressants (cyclosporine, azathioprine) within the previous year
- Antiretroviral therapy
- Treatments interfering with vitamin D absorption or catabolism:
Olestra, mineral oils, orlistat, bile acid sequestrants (cholestyramine, Colestipol), cimetidine, Ketoconazol, in the previous 2 weeks.,
Vitamin A (excluding beta-carotene) in excess of 10000 IU/day in the previous last month
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Criteri generali:
1. Non acconsente a cooperare allo studio e a seguire le visite previste dal protocollo
2. Partecipazione simultanea o aver partecipato ad altro studio clinico nei tre mesi precedenti il reclutamento allo studio
3. Soggetti appartenenti alle seguenti categorie: persone detenute in carcere, persone in situazione d’emergenza, soggetti con disordini mentali, pazienti legalmente incapaci.
Criteri medici e terapeutici:
4. CVD, HIV, diabete, epatiti attive B o C
5. Ospedalizzazione programmata per più di due settimane nel corso dello studio (3-mesi)
6. Sindrome di malassorbimento acuta
7. Insufficienza renale severa (Clearance della creatinina <25,5 ml/min )
8. Sindrome di Paget
9. Iper e ipo paratiroidismo
10. ipercalcemia
11. Sarcoidosi
12. Documentata ipercalciuria senza alcun supplemento di calcio (>300 mg/24 ore), specialmente in caso di pazienti con una storia di litiasi renale
13. Intolleranza, allergia o ipersensibilità al Didrogyl
14. Trattamenti che interferiscono con il metabolismo osseo e minerale:
- Vitamina D >400 IU/die nel mese precedente la selezione o dose >10000 IU entro i tre mesi precedenti o >50000 IU entro i 12 mesi precedenti
- Calcitriolo e alfacalcidolo (sopra 0.25 µg/giorno) durante i precedenti 6 mesi.
- Litio, tiazide
- Glucocorticoidi:
Trattamento orale a lungo termine: più di 5 mg/die di prednisolone per più di 8 mesi durante l’anno precedente o più di 2 g di prednisolone nell’anno precedente
Trattamento inalatorio a lungo termine di steroidi: più di 1000 microgrammi/die per più di 6 mesi.
- Immunosoppressori (ciclosporine , azatioprine) nell’anno precedente
- Terapia antiretrovirale
- Trattamenti che interferiscono con l’assorbimento della vitamina D o il catabolismo:
Olestra, oli minerali, orlistat, seuqestranti degli acidi biliari (colesteramina, colestipolo), cimetidina, ketoconazolo, nelle precedenti 2 settimane
Vitamina A (escluso beta-carotene) in quantità superiore a 10000 IU/die nel mese precedente
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E.5 End points |
E.5.1 | Primary end point(s) |
Efficacy: Circulating values of 25(OH)D3 at 3 months of treatment |
Efficacia: Livelli circolanti di 25(OH)D3 a 3 mesi dal trattamento |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Efficacy
Serum calcium, phosphorus, creatinine, protein/albumin, ionized calcium, bone Alkaline Phosphatase (BAP), C-terminal telopeptides of type I collagen (CTX), Parathyroid Hormone (PTH), 1,25(OH)2D3, Fibroblast Growth Factor 23 (FGF 23), and vitamin D Binding Protein (D-BP) over 3 months of treatment
Urinary (24 hr) calcium, phosphorus, creatinine, and deoxypyridinoline (DPD) over 3 months of treatment
Safety:
- Incidence of AEs
- Laboratory parameters
- Laboratory parameters of particular interest : calcemia, protein/albumin, ionized calcium,. CTX and 25(OH)D3 and 24 hr urinary calcium, creatinine, and D-PD
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Efficacia
Calcio sierico, fosforo, creatinina, proteina/albumina, calcio ionizzato, fosfatasi alcalina ossea (BAP), C-terminal telopeptides of type I collagen (CTX), ormone paratiroide (PTH), 1,25(OH)2D3, Fibroblast Growth Factor 23 (FGF 23), e vitamin D Binding Protein (D-BP) dopo tre mesi di trattamento;
livello di calcio (24 hr) nelle urine, fosforo, creatinina, e deossipiridinolina (DPD) dopo 3 mesi di trattamento
Sicurezza:
- Incidenza di AEs
- Parametri di laboratorio
- Parametri di laboratorio di particolare interesse: calcemia, proteina/albumina, calcio ionizzato, CTX e 25(OH)D3 e calcio urinario (nelle 24h), creatinina, e D-PD
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | Yes |
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 | No |
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 | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
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 | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Stesso farmaco a dosaggi differenti |
Same IMP at different dosages |
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E.8.2.4 | Number of treatment arms in the trial | 3 |
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 | 2 |
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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LVLS |
Ultima visita dell'ultimo paziente |
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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 | 1 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 1 |