Pentoxifylline for Vascular Calcification in Kidney Disease

Oral tablet, 400 mg, administered twice daily with food for 6 months. To be taken in addition to conventional medications for chronic kidney disease.

This arm receives conventional medical management for chronic kidney disease (CKD). This includes medications and treatments as deemed necessary and appropriate by the participant's treating physician, according to established clinical guidelines for CKD. These may include, but are not limited to, medications for blood pressure control, management of diabetes, anemia treatment, mineral and bone disorder management, and fluid and electrolyte balance management. The specific medications and treatments are individualized and not dictated by the study protocol, but follow standard clinical practice for CKD.