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Vildagliptin Compared to Gliclazide as Dual Therapy With Metformin in Muslim Patients With Type 2 Diabetes Fasting During Ramadan

Registration Number
NCT01758380
Lead Sponsor
Novartis Pharmaceuticals
Brief Summary

To evaluate vildagliptin as compared to gliclazide, given in combination with metformin in Muslim patients with type 2 diabetes fasting during Ramadan.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
557
Inclusion Criteria
  • Confirmed Type 2 Diabetes diagnosis
  • Plan to fast during Ramadan
  • Treated with a combination of metformin and an Sulfonylurea (SU) for at least 12 weeks and HbA1c ≤8.5% at Visit 1
  • Taking a sulfonylurea treatment for less than 3 years prior to Visit 1
  • Body mass index (BMI) ≥22 and ≤45 kg/m2 at Visit 1
Exclusion Criteria
  • Pregnant or nursing (lactating) women
  • History of hypersensitivity to any of the study drugs or to drugs of similar chemical classes.
  • Patients who are taking any other anti-diabetes drug (oral or injection) other than metformin and an SU component.
  • Inability to comply with the study procedures or medications.

"Other protocol-defined inclusion/exclusion criteria may apply"

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Vildagliptin + placebo to GliclazideVildagliptinVildagliptin tablets will be given at 50mg twice daily (bid). Placebo to Gliclazide capsules will be given at an equivalent dose to previous sulfonylurea in multiples of 80mg only (80-320 mg/day). Patients will continue their open-label metformin therapy at dosage between 1500-2500 mg daily.
Gliclazide + placebo to VildagliptinPlacebo to VildagliptinGliclazide capsules will be given in multiples of 80 mg (80-320 mg/day) at a dose equivalent to previous sulfonylurea dose, unless at the investigator's discretion it could be up-titrated to the next available dose (if HbA1c is higher than 7.5%). Placebo to Vildagliptin tablets will be given at 50mg twice daily (bid). Patients will continue their open-label metformin therapy at dosage between 1500-2500 mg daily.
Vildagliptin + placebo to GliclazidePlacebo to GliclazideVildagliptin tablets will be given at 50mg twice daily (bid). Placebo to Gliclazide capsules will be given at an equivalent dose to previous sulfonylurea in multiples of 80mg only (80-320 mg/day). Patients will continue their open-label metformin therapy at dosage between 1500-2500 mg daily.
Gliclazide + placebo to VildagliptinMetforminGliclazide capsules will be given in multiples of 80 mg (80-320 mg/day) at a dose equivalent to previous sulfonylurea dose, unless at the investigator's discretion it could be up-titrated to the next available dose (if HbA1c is higher than 7.5%). Placebo to Vildagliptin tablets will be given at 50mg twice daily (bid). Patients will continue their open-label metformin therapy at dosage between 1500-2500 mg daily.
Vildagliptin + placebo to GliclazideMetforminVildagliptin tablets will be given at 50mg twice daily (bid). Placebo to Gliclazide capsules will be given at an equivalent dose to previous sulfonylurea in multiples of 80mg only (80-320 mg/day). Patients will continue their open-label metformin therapy at dosage between 1500-2500 mg daily.
Gliclazide + placebo to VildagliptinGliclazideGliclazide capsules will be given in multiples of 80 mg (80-320 mg/day) at a dose equivalent to previous sulfonylurea dose, unless at the investigator's discretion it could be up-titrated to the next available dose (if HbA1c is higher than 7.5%). Placebo to Vildagliptin tablets will be given at 50mg twice daily (bid). Patients will continue their open-label metformin therapy at dosage between 1500-2500 mg daily.
Primary Outcome Measures
NameTimeMethod
Percentage of patients experiencing at least one Hypoglycaemic Event (HE) during the Ramadan fasting period to test superiority1 month
Secondary Outcome Measures
NameTimeMethod
Percentage of patients without an increase in HbA1c (≤ 0.3%) and with no Hypoglycaemic Events (HEs)visit 3 (anytime from week -4 to day -1 before start of Ramadan) to visit 4 (within 4 weeks post-Ramadan fasting period) (minimum 4.5 weeks to maximum 12 weeks) for HbA1c; and during 1 month (Ramadan) for HEs
Change from baseline to endpoint in glycosylated hemoglobin (HbA1c)baseline to visit 4 (within 4 weeks post-Ramadan fasting period) (minimum 12.5 weeks to maximum 30 weeks)

Endpoint is defined as the visit 4 (post-Ramadan) measurement or the last observation obtained during or after Ramadan, prior to or at initiation of rescue medication

Change from visit 3 (pre-Ramadan visit) to endpoint in glycosylated hemoglobin (HbA1c)visit 3 (anytime from week-4 to day-1 before start of Ramadan) to visit 4 (within 4 weeks post-Ramadan fasting period) (minimum 4.5 weeks to maximum 12 weeks)

Endpoint is defined as the visit 4 (post-Ramadan) measurement or the last observation obtained during or after Ramadan, prior to or at initiation of rescue medication

Proportion of patients experiencing severe hypoglycemic events during the Ramadan fasting period1 month
mean amplitude of glycemic excursions (MAGE) to measure glucose fluctuations during the day72 hours

assessed in a selected subgroup of patients

Treatment adherence during the Ramadan fasting period1 month
Change from visit 3 (pre-Ramadan visit) to endpoint in body weightFrom visit 3 (anytime from week-4 to day-1 before start of Ramadan) to visit 4 (within 4 weeks post-Ramadan fasting period) (minimum 4.5 weeks to maximum 12 weeks)

Endpoint is defined as the visit 4 (post-Ramadan) measurement or the last observation obtained during or after Ramadan, prior to or at initiation of rescue medication

Number of unscheduled visit to health care professionalFrom visit 3 (anytime from week-4 to day-1 before start of Ramadan) to visit 4 (within 4 weeks post-Ramadan fasting period) (minimum 4.5 weeks to maximum 12 weeks)
Number of days fasted during the Ramadan fasting period1 month
Number of patients with treatment emergent adverse events (AEs), serious AEs, discontinuation due to AEs, deaths or laboratory abnormalities as assessment of safety and tolerabilityBaseline to visit 4 (within 4 weeks post-Ramadan fasting period) (minimum 12.5 weeks to maximum 30 weeks)

Trial Locations

Locations (1)

Novartis Investigative Site

🇬🇧

Manchester, United Kingdom

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