A Phase 3 Study of Ranolazine in Subjects With Type 2 Diabetes Who Are Inadequately Controlled on Metformin Alone
Type 2 Diabetes Mellitus

About this trial
This is an interventional treatment trial for Type 2 Diabetes Mellitus
Eligibility Criteria
Inclusion Criteria:
- Documented history of T2DM
- Metformin therapy at a stable total daily dose ≥ 1500 mg and ≤ 2550 mg in addition to diet and exercise for ≥ 8 weeks prior to Screening
- Body mass index (BMI) 25 to 45 kg/m^2, inclusive, at Screening
- HbA1c within specified ranges at Screening and at the end of the Qualifying Period based on current metformin dose
- C-peptide ≥ 0.8 ng/mL at Screening
- Fasting serum glucose (FSG) ≥ 130 mg/dL (7.2 mmol/L) and ≤ 240 mg/dL (13.3 mmol/L) at Screening and at the end of the Qualifying Period
Exclusion Criteria:
- Type 1 diabetes mellitus
- History of diabetic ketoacidosis, ketosis-prone diabetes, or hyperosmolar hyperglycemic coma
- History of severe hypoglycemia
- Any clinically significant cardiovascular or cerebrovascular event ≤ 3 months prior to Screening
- History of congestive heart failure
- Corrected QT interval (QTc) > 500 msec by ECG at Screening, a personal or family history of QTc prolongation, congenital long QT syndrome, or individuals who are receiving drugs that prolong the QTc interval, such as Class Ia or Class III antiarrhythmic agents, erythromycin, and certain antipsychotics (eg, ziprasidone)
- Serum creatinine concentration ≥ 1.5 mg/dL for males or ≥ 1.4 mg/dL for females at Screening
- Active liver disease and/or significant abnormal liver function defined as aspartate aminotransferase (AST) > 3 x upper limit of the normal range (ULN) and/or alanine aminotransferase (ALT) > 3 x ULN and/or serum total bilirubin > 2.0 mg/dL
- Use of any non-insulin antihyperglycemic therapy (other than metformin) for more than 14 days (consecutive or not) during the 12 weeks (24 weeks for thiazolidinediones) prior to Screening and/or use of any antihyperglycemic therapy other than metformin, at any dose, at any time during the 4 weeks prior to randomization
- Treatment with chronic insulin within 24 weeks prior to Screening (except for one temporary period of daily insulin injections no longer than 7 days)
- Treatment with strong or moderate cytochrome P450 3A (CYP3A) inhibitors or P-glycoprotein (P-gp) inhibitors within 14 days prior to randomization
- Treatment with CYP3A inducers or P-gp inducers within 14 days prior to randomization
- Treatment with simvastatin or lovastatin at a dose > 20 mg or > 40 mg daily, respectively, within 14 days prior to randomization
Sites / Locations
- Fundamental Research LLC
- KLR Business Group DBA Arkansas Clinical Research
- Radiant Research, Inc.
- Central Phoenix Medical Clinic
- Clinical Research Advantage
- Desert Sun Clinical Research, LLC
- National Research Institute
- Ritchken and First MD's
- Clearview Medical Research, LLC
- Metabolic Institute of America
- University Clinical Investigators
- Infosphere Clinical Research
- Colorado Springs Health Partners
- Boca Raton Clinical Research Associates, Inc.
- MD Clinical Institute
- A G A Clinical Trials
- Baptist Diabetes Associates
- Florida Institute for Clinical Research LLC
- Medical Research Group of Central Florida
- Synergy Therapeutic Partners
- Perimeter Institute for Clinical Research
- Columbus Research Foundation
- Advanced Clinical Research
- Choose To Lose
- Cedar-Crosse Research Center
- Alexandria Cardiology Clinic
- Covington Medical Care
- Clinical Trials Management, LLC
- MD Medical Research
- Bellevue Family Practice
- Clinical Research Advantage
- Albuquerque Clinical Trials, Inc.
- University of New Mexico Health Sciences Center
- PhysiqueMed Clinical Trials
- Clinical Trials of America Inc
- University Medical Associates
- Northstate Clinical Research
- Carolina Research Center
- Lillestol Research
- Rapid Medical Research, Inc
- Columbus Clinical Research Inc.
- Hometown Urgent Care and Research
- Blair Medical Associates Inc.
- Safe Harbor Clinical Research
- Pharmacorp Clinical Trials, Inc.
- DeGarmo Institute of Medical Research
- Holston Medical Group, P.C.
- New Phase Research & Development
- Dallas Diabetes and Endocrine Center
- West Houston Clinical Research
- Juno Research, LLC
- Texas Center for Drug Development, Inc.
- Juno Research, LLC
- Northeast Clinical Research of San Antonio, LLC
- Progressive Clinical Research, LLC
- Highland Clinical Research
- Burke Internal Medicine, Inc.
- Manassas Clinical Research Center
- The Medical Arts Health Research Group
- Diabetes Research Clinic
- Joanne F. Liutkus Medicine Professional Corporation
- Source Unique Research
- Nemocnice s poliklinikou Havirov
- Restrial s.r.o.
- Synexus Hungary Ltd
- Selye János Kórház és Rendel?intézet, Belgyógyászati Szakrendelés
- Kanizsai Dorottya Hospital
- Medifarma 98
- Borbanya Praxis Kft., Outpatient Clinic
- Diabetomics India
- DHL Research Centre, 2nd Floor
- Dia Care- A Complete Diabetes Care Center
- Baroda Medical College and SSG Hospital
- Banker's Heart Institute
- Endocrinology & Diabetes Research Centre
- Manipal Hospital
- Endocrinology Diabetes Centre
- Bangalore Diabetes Hospital
- The Bangalore Diabetes Hospital
- Jnana Sanjeevani Medical Center
- Vinaya Hospital and Research Centre
- Seth G. S. Medical College and KEM Hospital
- Institue of Clinical Endocrinology (I.C.E) and Diabetes Care Unit (D.C.U),
- Getwell Hospital and Research Institute
- Diabetes Care and Research Centre
- KEM Hospital Research Center
- Fortis City Centre
- Diabetes and Heart Centre
- Swamy Diabetes Centre
- Madras Diabetes Research Foundation
- Kovai Diabetes Speciality Centre & Hospital
- Soroka University Medical Center
- Edith Wolfson Medical Center
- Ziv Medical Center Safed-Israel
- Instituto Jalisciense de Investigación en Diabetes y Obesidad
- Centrum Terapii Wspolczesnej J.M. Jasnorzewska Sp. Komandytowo - Akcyjna
- LANDA - Specjalistyczne Gabinety Lekarskie
- Niepubliczy Zaklad Opieki Zdrowotnej (NZOZ) Specjalistyczny Osrodek Internistyczno - Diabetologiczny
- NZOZ "Esculap" S.C.
- GOU VPO "Chita State Medical Academy" of Minzdravsocrazvitie RF
- Clinic of New Medical Technology Company Limited
- Kemerovo Regional Clinical Hospital
- State Institution of Public Health of Moscow City Endocrinology Dispensary
- Novosibirsk State Medical University
- Reafan, LLC
- Rostov State Medical University
- Ryazan State Medical University
- Center "Diabetes", LLC
- Smolensk State Medical Academy, Sanatorium-Preventorium
- Medinet, LLC
- North-Western State Medical Unversity n.a. I.I.Mechnikov
- Saint-Petersburg City Outpatient Clinic#37
- Military Medical Academy named after S.M. Kirov
- City Diabetology Center #4, "City Polyclinic #77"
- Alexanders City Hospital
- Clinical Hospital #122 n.a. Sokolov of FMBA
- ANO Medical Centre XXI Century
- City Hospital #38 named after N. A. Semashko
- Krestovsky Island Medical Institute, LLC
- Federal Centre of Heart, Blood and Endocrinology named after V.A. Almazov
- Federal State Budget Military Educational Institution Medical Military Academy n. a. S. M. Kirov
- SPb GBUZ Diagnostic Center #85
- City Hospital named after N.A.Semashko
- Yaroslavl Regional Clinical Hospital
- Centre for Diabetes and Endocrinology Suite 1
- Vawda Z Private Practice
- Newkwa Medical Centre
- Drs. Naiker and Naicker Inc.
- Synexus Clinical Research SA (Pty) Ltd
- East Rand Research Trading as Worthwhile Clinical Trials
- Charlotte Maxeke Johannesburg Academic Hospital
- Aliwal Shoal Medical & Clinical Trial Centre
- Netcare Umhlanga Medical Centre
- Helderberg Clinical Trials Centre
- Educational Scientific Medical Centre, Donetsk National Medical University
- State Institution "Institute of Problems of Endocrine Pathology n.a. V.Y. Danylevsky of NAMS of Ukra
- Ukrainian Scientific-and-Practical Center of Endocrine Surgery, Transplantation of Endocrine Organs
- Department of Endocrinology of Railway Clinical Hospital #2 of station "Kyiv" of South East Railroad
- Administration of Medical Service and Rehabilitation of "ARTEM" State Holding Company
- National Medical University n.a. O.O. Bogomolets, Chair of Family Medicine based on Outpatient Clini
- V. P. Komissarenko Institute of Endocrinology and Metabolism of AMS of Ukraine
- Odessa State Medical University
- Odessa City Policlinic #20
- Vinnytsya Regional Clinical Endocrinology Dispensary
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Ranolazine+metformin
Placebo+metformin
Qualifying Period: Participants will receive metformin 1000 mg + placebo to match ranolazine twice daily for either 2 or 8 weeks (dependent on metformin dose and HbA1c level at Screening). Treatment Period: Participants will receive ranolazine 500 mg + metformin 500 mg + placebo to match metformin twice daily on Days 1 through 7, followed by ranolazine 1000 mg + metformin 500 mg + placebo to match metformin twice daily from Day 8 through Week 24. Participants are required to maintain their diet and exercise regimen.
Qualifying Period: Participants will receive metformin 1000 mg + placebo to match ranolazine twice daily for either 2 or 8 weeks (dependent on metformin dose and HbA1c level at Screening). Treatment Period: Participants will receive metformin 1000 mg + placebo to match ranolazine twice daily through Week 24. Participants are required to maintain their diet and exercise regimen.