A One-year Randomized Controlled Trial Evaluating the Impact of Pioglitazone Versus Linagliptin on Bone Turnover Markers
Osteoporosis, Diabetes Mellitus
About this trial
This is an interventional treatment trial for Osteoporosis focused on measuring Pioglitazone, Linagliptin, Diabetes mellitus, Diabetic macular edema, Kidney
Eligibility Criteria
Inclusion Criteria:
- 1. Males or females ≥ 40 years of age at Visit 1and females in postmenopause for one year
Documentation of type 2 diabetes mellitus as evidenced by one or more of the following criteria:
- With typical symptoms and random blood sugar ≥ 200 mg/dl
- 8-hour fasting blood sugar ≥ 126 mg/dl
- Oral glucose tolerance test ≥ 200 mg/dl
- HbA1c≥ 6.5%
- Only receiving oral anti-diabetic drugs (excluding TZDs or DPP-4 inhibitors) till visit 1 at least 3 months, and the HbA1c is between 7.0~8.5 % in recent 3 months.
- Written informed consent (and assent when applicable) obtained from subject or subject's legal representative and ability for subject to comply with the requirements of the study.
Exclusion Criteria:
- DM on oral anti-diabetic drugs less than 3 months.
- Receiving treatment of TZDs or DPP-4 inhibitors prior to this study.
- Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data.
- AST, ALT over 2.5 times of the upper limit.
- Chronic kidney disease, stage 4 and 5.
- Congestive heart failure, NYHA class III, IV
- History of osteoporosis.
- History of diseases known to affect bone metabolism:
Abnormal thyroid function or history of hyperthyroidism, Cushing's syndrome, hypogonadism, acromegaly, history of hypopituitarism or status post pituitary surgery and/or radiotherapy, hematopoietic disorders.
- History of moderate to severe Diabetic macular edema (DME)
- History of moderate to severe diabetic retinopathy.
- History of fracture over lumbar spine or hip joint or femoral head or forearm or any site of bone fracture undergoes treatment currently.
- Who had taken any of the following medications prior to screening:
Corticosteroid, heparin, anticonvulsants, aluminum-containing antacid, proton pump inhibitor, immunosuppressant user within 3 months. Bisphosphonate, systemic fluoride treatment, PHT analogue, calcitonin, Denosumab, Strontium ranelate, hormone replacement therapy (androgen/estrogen/progesterone, thyroxine, growth hormone), selective estrogen receptor modulator /SERM (Tamoxifene, Raloxifene), selective tissue estrogenic activity regulator /STEAR (Tibolone), aromatase inhibitors within 1 year.
- History of cancer.
- Bed-ridden patients.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Pioglitazone
Linagliptin
Pioglitazone 30 mg once daily will be administered orally for total 48 weeks.
Linagliptin 5 mg once daily will be administered orally for total 48 weeks.