RLS: Cholecalciferol Supplementation in Restless Leg Syndrome in Patients With Chronic Kidney Disease
Study Details
Study Description
Brief Summary
Restless leg syndrome (RLS) is sleep disorder characterized by an unpleasant feeling in the lower limbs, which can be accompanied by paresthesias, and need for urgent movement of the legs. Its diagnosis is clinical, based on an International Committee of the Study of RLS (International Restless Legs Syndrome Study) questionnaire. Its prevalence is about 5-15% in the general population, being twice as frequent in women and with a tendency to increase incidence with aging. In the chronic kidney disease (CKD) population, mainly in patients on dialysis, the prevalence increases by up to 70%. Vitamin D deficiency is associated with RLS and active vitamin D supplementation seems to improve RLS and severity. It is seems, studies on the role of vitamin D supplementation in CKD population are missing. The clinical-scientific hypothesis of this study is that replacement of vitamin D (cholecalciferol) will improve the symptoms of RLS. As parathyroidectomy can relieve RLS, the aim of researchers is to randomize patients with CKD on dialysis to receive cholecalciferol or placebo in 2 distinct groups: secondary hyperparathyroidism and adynamic bone disease.
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
|
Phase 4 |
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Placebo Comparator: Hyperparathyroidism_0 Chronic Kidney Disease patients with parathyroid hormone higher than 300pg/ml |
Drug: Placebo Oral Tablet
patients will receive placebo oral tablets
|
Active Comparator: Hyperparathyroidism_1 Chronic Kidney Disease patients with parathyroid hormone higher than 300pg/ml |
Drug: Vitamin D
patients will receive vitamin D supplementation according to guidelines
|
Placebo Comparator: Adynamic_0 Chronic Kidney Disease patients with parathyroid hormone lower than 150pg/ml |
Drug: Placebo Oral Tablet
patients will receive placebo oral tablets
|
Active Comparator: Adynamic_1 Chronic Kidney Disease patients with parathyroid hormone lower than 150pg/ml |
Drug: Vitamin D
patients will receive vitamin D supplementation according to guidelines
|
Outcome Measures
Primary Outcome Measures
- Improvement RLS severity [6 months]
Reduction of the disease's symptoms
Eligibility Criteria
Criteria
Inclusion Criteria
- adult patients with chronic kidney disease on dialysis, with vitamin D deficiency.
Exclusion Criteria
-
current treatment for restless leg syndrome
-
history of parathyroidectomy in the last 6 months
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Hospital das Clinicas | Sao Paulo | SP | Brazil | 05403-000 |
Sponsors and Collaborators
- University of Sao Paulo General Hospital
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- RLS vitamin D