Active clinical trials for "Bone Neoplasms"

Bone is the most common site of distant breast cancer recurrence, and 65-75% of women with advanced breast cancer will develop bone metastases during the course of their disease. The most pressing problem in management of bony metastases today, is the inability to reliably identify patients at high risk for skeletal related events (SREs) (such as bone fractures, surgery/radiotherapy for pain or prevention of fractures, high calcium levels, and spinal cord compression) despite the standard use of bone medication (bisphosphonates). Using the latest innovations both in imaging and blood tests, this novel pilot project will develop a risk model for predicting bone metastases, which will be able to identify patients who would most benefit from novel treatments, such as the multikinase inhibitor Zactima and the Src inhibitor, AZD0530. Given that approximately 1/3 of patients with metastatic breast cancer and bony disease will sustain an SRE despite use of a bisphosphonate, there is an urgent unmet need in this large population to introduce effective bone protective agents.

The main aim is to evaluate the long-term safety and bone healing in the operated area and to compare bioactive glass granules with autogenous bone as a filler material.

The effect of Bonefos on consumption of analgesics (drugs used for pain treatment) in patients with proven bone metastases.

The purpose of this study is to determine the ability of a cone beam CT to measure bone healing.

The purpose of this study is to determine if denosumab is non-inferior to zoledronic acid (Zometa®) in the treatment of bone metastases (lytic bone lesions from multiple myeloma) in subjects with advanced cancer and multiple myeloma (excluding breast and prostate cancer)

To assess survival outcome of pediatric patients with localized osteosarcoma of the extremities in Upper Egypt, identify factors of prognostic significance for survival, and to determine factors predictive of surgical methods employed in these patients, and developing a clinical model for risk prediction.

Patients with metastases to proximal femur, who are evaluated fr the risk of pathologic fracture in order to decide on preventive fixation vs follow-up constitute the study population. The patients will be randomized in two arms. First arm - the decision of treatment will rely on conventional decision algorithm including specialist judgement and Mirels' score. Second arm- the decision on treatment will be supported by CTFEA analysis of bone structure and quantitative simulation-based estimate of fracture risk, in addition to the conventional decision algorithm. Operation rates, pathologic fracture rates and additional secondary outcomes will be compared between the two study arms.

We hope to determine the importance of different genes (including B receptors) in anthracycline-induced cardiomyopathy. This has important benefits to patients exposed to anthracyclines, as this could help determine whether certain individuals have increased susceptibility to cardiac injury.

The investigators propose to investigate the performance of the image reconstruction software with resolution recovery correction for bone SPECT studies. The investigators estimate that in only 30 minutes, using this new technique of collimator de-blurring, one could perform a fully 3-dimensional SPECT whole-body bone study, essentially obviating the necessity for doing planar bone studies. In the scope of the proposed project, the investigators group aims to test the hypothesis that one can perform a Tc-99m whole-body SPECT study in the same time as a regular routine planar bone study, with greater localization accuracy, and greater lesion detection. To establish a "gold standard" necessary to assess the performance of the SPECT bone scans, the investigators will compare number of malignant lesions detected in patients who are proven to have metastatic skeletal bone lesions on PET F-18 whole-body scans, with whole-body Tc-99m SPECT lesions. The investigators also propose to compare the detection of SPECT scans with standard planar bone scans. This will allow for two major comparisons (a) the accuracy of SPECT bone studies compared to planar bone studies, and (b) the accuracy of SPECT bone scans compared to F-18 PET studies. Most prior studies purporting to show the superiority of F-18 bone scans to Tc-99 bone scans were done only against either planar scans or a combination of planar scans and partial SPECT studies over the spine. We anticipate that F-18 bone scans, due to the higher counting statistics of PET agents, will show more lesions than SPECT, but the exact increase in sensitivity has never been compared to whole-body SPECT scans.

Giant cell tumor of bone (GCTb) is a primary, osteolytic, benign tumor of the bone. Surgery is the commonly used treatment. Discovery of RANKL and its human monoclonal antibody, denosumab, led to use of denosumab for treatment of GCT. The aim of this study was to evaluate clinical and pathological results of treatment of relapsed or refractoriness GCT with denosumab and to assess adverse effect profile and recurrence rate.