6. Good compliance with the treatment requirements formulated for the study.
7. informed consent from the subject.
You may not be if
1. Patients who are prepped for or have undergone renal transplantation or parathyroidectomy.
2. taking vitamin D, active vitamin D or analogues and other drugs that may affect 25(OH)D levels within 3 months prior to enrolment
3. Treatment affecting PTH results (e.g. cenacaser, etc.) within 3 months prior to enrolment
4. Serum calcium \> 2.55 mmol/L
5. Patients who are pregnant or likely to become pregnant, breastfeeding or planning to become pregnant during the study period
6. known prior or concomitant serious illness or medical condition such as malignancy, human immunodeficiency virus, severe gastrointestinal or liver disease, intestinal malabsorptive disease, hepatitis or cardiovascular events that may worsen or shorten life expectancy and/or interfere with participation in the study
7. History of neurological/psychiatric disease, including psychosis or dementia, or any other reason that is unlikely to result in adherence to treatment or follow-up plans.
8. Known or suspected allergy to any component of the study drug.
9. Ongoing participation in other clinical studies.
Clareo Health | A Study on Prevention Strategies for CKD-SHPT and Related Complications Based on General Vitamin D Supplementation