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Bone Disease clinical trials

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NCT ID: NCT01476501 Completed - Clinical trials for Diabetic Nephropathy

Vitamin D Supplementation in Diabetic Nephropathy

Start date: October 2011
Phase: Phase 2
Study type: Interventional

Diabetes is a life-long disease that is getting more common in Canada. One of the most common problems in people with kidney disease is diabetes and low bone mineral density (BMD). This can lead to a higher chance for broken bones, infection and life-long health problems. The most common reason for having low BMD is not getting enough vitamin D (Vit D) in your diet and not having enough sunlight. This is very common in Canada (especially in northern Alberta) because winter is very long. Most people also don't eat or drink enough foods that are high in Vit D (like milk) and so they don't have enough Vit D in their body to make healthy bones. This can mean the only way to get enough Vit D in your body for your bones when you have kidney disease is to take some extra vitamin D in a pill. Most people are not aware that they have poor bone health until they break a bone. Broken bones can really hurt and can prevent a person from being able to walk and take care of themselves. Right now, we are not sure exactly how much Vit D people with diabetes and kidney disease need to take to prevent them from having low BMD or how often they need to take it. Our plan is to study the effect of two ways to take Vit D pills (every day or once a month) on overall Vit D status and on bone health in adult patients with diabetes and chronic kidney disease and see how this influences their quality of life. Hypotheses: 1. Vitamin D supplementation (2,000 IU/day and 40,000 IU/month) for six months will result in significantly improved overall vitamin D status and improved markers of bone health in adult patients with diabetic nephropathy. 2. Monthly dosing of vitamin D (40,000 IU/month) over six months will result in improved patient adherence and satisfaction with vitamin D supplementation when compared to daily dosing of vitamin D (2000 IU/D). This will improve vitamin D status and bone health parameters, which will result in an increased quality of life and sense of well-being.

NCT ID: NCT01293487 Completed - Osteoporosis Clinical Trials

Safety And Tolerability Study Of RN564 In Women With Osteopenia And Healthy Men.

Start date: April 2011
Phase: Phase 1
Study type: Interventional

The purpose of this study is to determine the safety and tolerability of RN564 in women with osteopenia and healthy men.

NCT ID: NCT00913796 Completed - Metabolic Acidosis Clinical Trials

Metabolic Acidosis in Renal Transplant Patients

MART
Start date: December 2007
Phase: Phase 2
Study type: Interventional

Acidosis (accumulation of acid in the body) may be an underrecognized problem in patients after renal transplantation. It may have consequences on physical performance due to negative effects on bone and muscle metabolism. Therefore, the purpose of this study is 1. to determine the status of physical capacity and bone structure in renal transplant patients with metabolic acidosis 2. to study the effect of substituting base equivalents (citrate) on acid/base status of renal transplant patients with acidosis 3. to compare the status of physical capacity and bone structure in renal transplant patients with metabolic acidosis before and after substitution with citrate

NCT ID: NCT00698347 Terminated - Clinical trials for Rheumatoid Arthritis

A Clinical Investigation of the M2a-Magnumâ„¢ Hip System

Start date: November 2004
Phase: N/A
Study type: Observational

The purpose of this prospective clinical data collection is to document the performance and clinical outcomes of the M2a-Magnumâ„¢ Hip System

NCT ID: NCT00001391 Completed - Healthy Clinical Trials

Bone Regeneration Using Bone Marrow Stromal Cells

Start date: August 3, 1994
Phase: N/A
Study type: Observational

Deficient or inappropriate healing of bone impacts clinical decision-making and treatment options in orthopedics, oral and maxillofacial surgery, plastic surgery and periodontics. While a number of auto- and allografting techniques have been used to regenerate craniofacial defects caused by infective, neoplastic or trauma-induced bone loss, each method has significant limitations. Our research group in the Craniofacial and Skeletal Diseases Branch of NIDCR has developed methods to culture and expand cell populations derived from mouse bone marrow stroma. We believe that an important next step is to apply the information gained in animal studies to treat osseous defects in humans. We propose to examine the potential of cultured human bone marrow stromal cells to serve as an abundant source of osteoblastic progenitor cells. These cells will ultimately be used to graft craniofacial osseous defects. In the course of this study we will: (1) develop methods for the propagation and enrichment of osteoblastic progenitor cells from bone marrow stroma; (2) test various vehicles for the transfer of bone marrow stromal cells to osseous defects in recipient animals; (3) determine optimal culturing and transplantation conditions for the eventual transplantation of bone marrow stromal cells into human recipients. These studies will define the parameters of bone marrow stromal cell transplantation and will generate models for future therapeutic strategies.