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Long Bone Fracture clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT01170572 Completed - Vitamin D Clinical Trials

Longitudinal Study of Patients Following Long Bone Fracture

Start date: March 2010
Phase: N/A
Study type: Observational

Studies in chickens show that blood levels of a particular form of vitamin D (called 24,25-dihydroxvitamin D) increase after bone fracture. Laboratory studies show that this form of vitamin D helps the bone healing process in chickens. The investigators want to find out whether blood levels of this form of vitamin D increase after bone fracture in humans. Previous research studies have not addressed this question. The results of this research could eventually lead to the development of new treatments to help bone healing after fracture. Patients will be asked to take part in this study if they are aged 16 years or older and come to the Royal London Hospital with a broken bone in the arm or leg or collar bone (clavicle). They will be asked to give a 20ml (about 4 teaspoons) blood sample on three occasions: at the start of the study, at 5-14 days after the fracture; and at 4-10 weeks after the fracture. The rest of their normal care would not be affected. Follow-up blood samples will be timed to coincide with routine clinic visits which are scheduled as part of normal clinical care. Patients' vitamin D level will be measured as part of the study, and those who have a low vitamin D level will be informed about this, and advised about appropriate vitamin D supplementation. The investigators will let the patient or their GP know if any blood tests are abnormal