E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
type 2 diabetes mellitus |
diabetici tipo 2 Diabete Mellito |
|
E.1.1.1 | Medical condition in easily understood language |
type 2 diabetes mellitus |
diabetici tipo 2 Diabete Mellito |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Hormonal diseases [C19] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10012614 |
E.1.2 | Term | Diabetes mellitus NOS |
E.1.2 | System Organ Class | 100000004861 |
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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 effect of DPP-IV inhibitor Vildagliptin vs. Glibenclamide on circulating EPCs. |
Valutare l’effetto dell’inibitore della DPP-IV Vildagliptin nella mobilitazione delle EPCs circolanti confrontato con Glibenclamide. |
|
E.2.2 | Secondary objectives of the trial |
Absolute and relative change in HbA1C at visit V2, V3, V4. |
Cambiamento assoluto e percentuale dei valori di HbA1c alla V2, V3, V4 rispetto alla visita di randomizzazione |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Age equal or above 35 years;
2. Diagnosis of type 2 diabetes mellitus as defined by the American Diabetes Association , with at least one year of disease duration at the time of the screening visit;
3. Blood glucose lowering treatment with Metformin alone (monotherapy) at a stable dose of at least 1.5 g/day (or maximum tolerated dose) in the 3 months prior to the screening visit;
4. Insufficient metabolic control as defined by recent (last six months) HbA1c ≥ 7% in any peripheral laboratory and confirmed at the time of the screening;
5. Absence of a recent clinically-relevant progression of micro- and macro-vascular complications (see exclusion criteria);
6. Written informed consent to participate to the study. |
1. Età ≥ 35 anni;
2. Diagnosi di diabete mellito di tipo 2 secondo la definizione dell’American Diabetes Association [Diabetes Care. 2006;29 Suppl 1:S4-42] da almeno un anno;
3. Terapia ipoglicemizzante con sola Metformina a dose stabile di almeno 1.5 gr/d o massimo tollerato nei 3 mesi precedenti lo screening;
4. HbA1c ≥ 7%;
5. Assenza di progressione clinicamente rilevante di micro- o macro-angiopatia nei 6 mesi precedenti lo screening;
6. Consenso informato scritto a partecipare allo studio. |
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E.4 | Principal exclusion criteria |
1. Age below 35 years
2. Type 1 diabetes or other causes of diabetes (pancreatectomy, gestational diabetes, etc.)
3. HbA1c < 7% or ≥ 9% at the screening visit
4. Treatment with any blood glucose lowering treatment other than Metformin in the six months before screening visit
5. BMI < 20 or ≥ 40 kg/m2, or current/ past history of clinically-relevant eating disorders (including -but no limited to- nervous anorexia, bulimia, binge-eating disorders, etc.)
6. Significant progression of diabetic macro-angiopathy or cardiovascular disease in the six months prior to study visit, including:
- Acute myocardial infarction or acute coronary syndrome requiring hospitalization;
- Acute cerebro-vascular event requiring hospitalization;
- Acute limb ischemia or new onset of clinically-relevant peripheral artery disease (as defined by claudication + positive ABI test);
- New limb ulceration of suspected vascular origin or new onset of a diabetic foot or significant progression of pre-existing lesions;
- Any revascularization procedure (by-pass, stenting, angioplasty, trombo-endarterectomy, etc.) in any arterial district;
7. Significant progression of diabetic micro-angiopathy in the six months prior to study visit, including:
- Proliferative retinopathy, or progression of severity of more than one step, or new macular edema likely to be laser-treated. Steps of diabetic retinopathy: absent, background, mild non-proliferative, moderate-to-severe non-proliferative, proliferative;
- Increase of at least 0.5 mg/dL of plasma creatinine or progression to macro-proteinuria;
- Onset of clinically-relevant neuropathy
- Onset of erectile dysfunction
8. Organ failure or other severe diseases limiting life expectancy;
9. Beginning, in the three months before screening visit, of any kind of drug which can modify glicemic levels (beta-blockers, diuretics…), or acute disease (acute infection, urinary tract infection…) in three months before screening visit
10. History of inflammatory/infective/autoimmune chronic disease
11. History of unexplained pancreatitis, chronic pancreatitis, pancreatectomy, gastric surgery, inflammatory bowel disease;
12. Any clinically significant abnormality identified on physical examination, laboratory tests, ECG or vital signs at screening that in the judgment of the investigator would preclude safe completion of the study;
13. Uncontrolled or inadequately controlled hypertension at screening (SBP>190 or DBP >100 mmHg)
14. Ongoing pregnancy or absence of effective contraception in women with childbearing potential
15. Contraindications to the maintenance of the background therapy (Metformin), including –but not limited to- chronic kidney failure or plasma creatinine concentrations > 1.5 mg/dL, severe respiratory failure, etc.;
16. Contraindications to the use of a Sulfonylurea;
17. Contraindications to the use of a DPP-IV Inhibitor;
18. Laboratory findings, or other disease conditions, at the screening visit that might interfere with study measurements:
- Hemoglobinopathy known to affect HbA1c assays;
- Known chronic liver diseases, including HBV and HCV infection;
- Liver makers (AST, ALT, ALP, GGT, bilirubin) above 2 times the upper normal limit;
- Amylase and/or lipase above 2 times the upper normal limit;
19. Chronic use of systemic and/or inhaled corticosteroids (only topical corticosteroids are allowed);
20. History of low compliance, clinically-relevant psychiatric disorders or any current/ historical finding suggesting the patient as inappropriate to follow the study procedures. |
1. Età < 35 anni;
2. Diabete tipo 1 o altro tipo diverso da diabete tipo 2 (LADA, gestazionale, post-pancreasectomia, ecc.);
3. HbA1c < 7% o ≥ 9% alla visita di screening;
4. Terapia con ipoglicemizzanti orali diversi da Metformina nei 6 mesi precedenti la visita di screening;
5. BMI < 20 o ≥ 40 kg/m2 (o precedente storia di disturbo del comportamento alimentare clinicamente rilevante);
6. Significativa progressione delle complicanze macro-angiopatiche o malattie cardiovascolari nei sei mesi precedenti l’inizio dello studio:
- Infarto miocardio acuto o sindrome coronarica acuta che ha richiesto l’ospedalizzazione
- Evento cerebrovascolare acuto che ha richiesto l’ospedalizzazione
- Ischemia acuta degli arti inferiori o arteriopatia obliterante periferica di nuova diagnosi (definita da presenza di claudicatio e positività del test ABI)
- Ulcerazioni agli arti inferiori di sospetta origine vascolare di nuova diagnosi o piede diabetico di nuova diagnosi o significativa progressione di lesioni preesistenti
- Interventi di rivascolarizzazione in qualsiasi distretto arterioso (by-pass, stenting, angioplastica, tromboendoarteriectomia, ecc.);
7. Significativa progressione delle complicanze micro-angiopatiche nei sei mesi precedenti l’inizio dello studio:
- Retinopatia proliferante, o progressione della severità della retinopatia superiore ad un singolo step, o edema maculare di nuova diagnosi che necessita di trattamento laser. Steps della retinopatia diabetica: assente, background, non proliferante lieve, non proliferante moderata-severa, proliferante.
- Incremento di almeno 0,5 mg/dL della creatinina plasmatica o progressione verso la macroalbuminuria;
- Insorgenza di neuropatia clinicamente rilevante;
- Insorgenza di disfunzione erettile;
8. Insufficienza d’organo o altre patologie di rilievo che limitino l’aspettativa di vita;
9. Assunzione di farmaci in grado di modificare i livelli glicemici (beta-bloccanti, diuretici...) o patologie acute (malattie infettive acute, infezione delle vie urinarie...) nei tre mesi precedenti la visita di screening;
10. Storia di malattie croniche di tipo infiammatorio/infettivo/autoimmune;
11. Storia di pancreatite ad eziologia sconosciuta, pancreatite cronica, pancreasectomia, chirurgia gastrica, malattie infiammatorie croniche intestinali;
12. Qualsiasi anomalia clinicamente significativa riscontrata durante la valutazione di esame obiettivo, esami di laboratorio, ECG o segni vitali alla visita di screening che a giudizio dello sperimentatore possa precludere la sicurezza del paziente durante tutta la durata dello studio;
13. Ipertensione non controllata o controllata in maniera inadeguata alla visita di screening (PAS >190 mmHg o PAD > 100 mmHg)
14. Gravidanza o assenza di contraccezione sicura nelle donne in età fertile;
15. Controindicazioni al mantenimento della terapia con Metformina, incluso insufficienza renale cronica o creatininemia >1,5 mg/dL, severa insufficienza respiratoria, ecc.;
16. Controindicazioni all’uso delle Sulfaniluree;
17. Controindicazioni all’uso degli inibitori della DPP-IV;
18. Condizioni individuate alla visita di screening che possano interferire con le misurazioni dello studio:
- Emoglobinopatie tali da alterare i valori di HbA1c;
- Patologie epatiche croniche, incluso infezione da HBV e HCV;
-Marcatori epatici (AST, ALT, ALP, GGT, bilirubina) superiore di 2 volte il limite massimo normale;
- Amilasi e/o lipasi superiore di 2 volte il limite massimo normale;
19. Terapia cronica con corticosteroidi per via sistemica o inalatoria (solamente i corticosteroidi topici sono ammessi);
20. Storia di ridotta compliance o patologia psichiatrica rilevante o qualsiasi altra condizione che renda il paziente inappropriato per lo studio |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Absolute and relative change in the EPC number at visit: V0 (randomization), V2 (month 4), V3 (month 8) and V4 (month 12). |
Cambiamento assoluto e percentuale del numero di EPC alla V0, V2 (mese 4), V3 (mese 8) e V4 (mese 12). |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
|
E.5.2 | Secondary end point(s) |
Absolute and relative change in HbA1C at visit V2, V3, V4. |
Cambiamento assoluto e percentuale dei valori di HbA1c alla V2, V3, V4 rispetto alla visita di randomizzazione |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
|
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 | Yes |
E.6.13.1 | Other scope of the trial description |
To evaluate the effect of DPP-IV inhibitor Vildagliptin vs. Glibenclamide on circulating EPCs |
Valutare l’effetto dell’inibitore della DPP-IV Vildagliptin nella mobilitazione delle EPC circolanti |
|
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) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
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) | Yes |
E.8.2.2 | Placebo | No |
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 | No |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
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
|
|
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 |
E.8.9.2 | In all countries concerned by the trial years | 0 |
E.8.9.2 | In all countries concerned by the trial months | 24 |
E.8.9.2 | In all countries concerned by the trial days | 0 |