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2002 SEP 12 - (NewsRx.com & NewsRx.net) -- Cytogen Corp. (CYTO) reported that a new study shows that the use of bisphosphonates to treat breast cancer patients with bone metastasis does not adversely affect the skeletal uptake of Quadramet, a therapeutic radiopharmaceutical used for the treatment of pain in patients with metastatic bone lesions.
The results of the study were published in the journal Clinical Nuclear Medicine (2002;27:427-430).
Bisphosphonates are compounds commonly used to inhibit the destruction of bone in cancer patients with bone metastases. The authors of the study compared the skeletal uptake of Quadramet before and 1-4 days after bisphosphonate infusion in patients with metastatic breast cancer.
The study found that bisphosphonate infusion did not interfere with the skeletal uptake of Quadramet. In addition, no difference in skeletal uptake of Quadramet was reported up to 4 weeks later in two patients.
"Quadramet is an effective treatment option in helping to relieve the pain often experienced by patients with metastatic bone cancer. We are very encouraged by these early results that indicate Quadramet can be used in conjunction with commonly prescribed bisphosphonates," said H. Joseph Reiser, PhD, president and chief executive officer of Cytogen Corp.
Once tumors have metastasized to the skeleton, they continue to grow and cause destruction of the adjacent bone. This erosion of bone stimulates new bone formation, ...
Source: HighBeam Research, Study: Bisphosphonates don't impair skeletal uptake of Quadramet.