| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
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| MedDRA Classification |
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 9.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10045242 |
| E.1.2 | Term | Type II diabetes mellitus |
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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 |
The objective of the current study is to investigate the safety and efficacy of BI 10773 10 mg and 25 mg once daily compared to Metformin 1000-2000 mg/day or to Sitagliptin 100 mg once daily given for 78 weeks in different modalities of treatment in patients with type 2 diabetes mellitus.
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| E.2.2 | Secondary objectives of the trial |
| An additional objective is to assess the efficacy of BI 10773 alone or as concomitant administration with Metformin in the treatment of diabetes mellitus type 2 compared to Metformin 1000-2000 mg/day or to Sitagliptin 100 mg once daily given for 78 weeks in different modalities of treatment. |
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| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
1. Patients completing the entire treatment period of the preceding double-blind trial 1245.9 or 1245.10. 2. Signed and dated written informed consent by date of Visit 1 in accordance with GCP and local legislation.
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| E.4 | Principal exclusion criteria |
1. Patients who meet one or more of the withdrawal criteria of the treatment period of the previous trial 1245.9 or 1245.10. 2. Impaired hepatic function, defined by serum levels of either ALT (SGPT), AST (SGOT), or alkaline phosphatase above 3 x upper limit of normal (ULN) based on the last available lab result received during the preceding trial. 3. Renal insufficiency or impaired renal function defined by creatinine clearance <50 mL/min (calculated) or serum creatinine levels in men ≥ 1.5 mg/dL; in women ≥1.4 mg/dL based on the last available lab result received during the preceding trial. 4. For Patients on Metformin therapy: additional contraindications to Metformin which started during trial participation in 1245.10 or 1245.9. 5. Pre-menopausal women (last menstruation less than 1 year prior to signing informed consent) who: are nursing or pregnant or are of child-bearing potential and are not practicing an acceptable method of birth control, or do not plan to continue using this method throughout the study and do not agree to submit to periodic pregnancy testing during participation in the trial. 6. Alcohol abuse within the 3 months prior to informed consent that would interfere with trial participation. 7. Drug abuse that in the opinion of the investigator would interfere with trial participation. 8. Any other clinical condition which, in the opinion of the investigator, would not allow safe completion of the protocol and safe administration of the trial medication. |
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| E.5 End points |
| E.5.1 | Primary end point(s) |
There is no primary efficacy endpoint in a statistical sense in this study. Safety and tolerability will be assessed in a descriptive analysis based on: Frequency of adverse events, Frequency of hypoglycaemic events, Changes in vital signs, Use of rescue therapy, Change body weight to week 78, Change in waist circumference to week 78, Changes in lipid parameters to week 78, Frequency of clinically significant changes from baseline in clinical laboratory. Secondary endpoints with regards to efficacy are the following: Change in HbA1c after 78 weeks of treatment and over time, Occurrence of a treat to target response, defined as an HbA1c after 78 weeks of <7.0%, Occurrence of a relative efficacy response (HbA1c lowered by >=0.5% after 78 weeks of treatment, Change from baseline in FPG after 78 weeks of treatment and over time.
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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 | Yes |
| E.6.8 | Bioequivalence | No |
| E.6.9 | Dose response | Yes |
| 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) | Yes |
| E.7.3 | Therapeutic confirmatory (Phase III) | No |
| 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 | Yes |
| E.8.1.7.1 | Other trial design description |
| Metformin open label arm is continued from preceding trial and not randomised |
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| 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.8.3 |
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 | Yes |
| E.8.5.1 | Number of sites anticipated in the EEA | 100 |
| E.8.6 Trial involving sites outside the EEA |
| E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
| E.8.6.2 | Trial being conducted completely outside of the EEA | Information not present in EudraCT |
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
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| E.8.7 | Trial has a data monitoring committee | Yes |
| 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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| Last visit (visit 9, 79weeks) of the last patient (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 | 2 |
| E.8.9.1 | In the Member State concerned months | 0 |
| E.8.9.1 | In the Member State concerned days | 0 |
| E.8.9.2 | In all countries concerned by the trial years | 2 |
| E.8.9.2 | In all countries concerned by the trial months | 2 |
| E.8.9.2 | In all countries concerned by the trial days | 0 |