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Query: UMLS:C0153690 (bone metastases)
 6,382 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

28 consecutive patients with multiple osteolytic bone metastases due to various types of cancer were treated with 300 mg/day of sodium clodronate given intravenously as a 3-hour infusion, 16 patients were treated for 10 days and 12 for 20 days. Our findings showed that clodronate administration causes an increase in serum osteocalcin (sBGP) in the group of patients treated for 20 days (p less than 0.05), a reduction in serum Ca in both groups of patients (p less than 0.01), an increase in serum alkaline phosphatase (p less than 0.05 and p less than 0.01), a reduction in urinary Ca (p less than 0.01) and a reduction in uOHP (p less than 0.05). The raise in sBGP may be attributed to the reduction of sCa and to the consequent secondary hyperparathyroidism. The increase in sBGP can be considered as the expression of osteoblasts stimulation following an adequate period of therapy with sodium clodronate.
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PMID:Clodronate treatment increases serum osteocalcin in normocalcemic osteolytic bone metastases. 182 99

We report a retrospective study of 15 patients with prostate carcinoma and diffuse bone metastases treated with sodium 32P for palliation of pain at Downstate Medical Center and Kings County Hospital from 1973 to 1978. The response rates, duration of response, and toxicities are compared with those of other series of patients treated with 32P and with sequential hemibody irradiation. The response rates and duration of response are similar with both modalities ranging from 58 to 95% with a duration of 3.3 to 6 months with 32P and from 75 to 86% with a median duration of 5.5 months with hemibody irradiation. There are significant differences in the patterns of response and in the toxicities of the two treatment methods. Both methods cause significant bone marrow depression. Acute radiation syndrome, radiation pneumonitis, and alopecia are seen with sequential hemibody irradiation and not with 32P, but their incidence can be reduced by careful treatment planning. Hemibody irradiation can provide pain relief within 24 to 48 h, while 32P may produce an initial exacerbation of pain. Lower hemibody irradiation alone is less toxic than either upper hemibody irradiation or 32P treatment.
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PMID:Comparison of 32P therapy and sequential hemibody irradiation (HBI) for bony metastases as methods of whole body irradiation. 242 17

Thirty (3.8%) of 780 patients with differentiated thyroid cancer seen between 1970 and 1987 had bone metastases. The primary tumor was follicular in 26 patients and papillary in four. Mean age at diagnosis was 61 years. The manifestation of bone metastases was the presenting symptom in 18 patients (60%). Treatment included total thyroidectomy, levothyroxine sodium therapy, and radioactive iodine treatments. Twenty-seven patients had bone metastases from the initial observation, with 44 sites involved. Of the sites, 27 (61%) were shown both on iodine 131 whole-body scan (WBS) and on x-ray film, 11 (25%) only on WBS, and six (14%) only on x-ray film. Multiple involvement was observed in 11 patients. The radiologic appearance was invariably osteolytic. Serum thyroglobulin was elevated in all patients. After radioactive iodine, no WBS+/X-ray+ metastases showed a complete response, although a sclerotic border was noted in several cases, whereas six WBS+/X-ray- lesions were no longer detectable by WBS. Treatment with radioactive iodine and bone surgery resulted in a complete cure in three patients and in a reduction of tumor mass in three. Twenty-one (70%) of the patients died of thyroid cancer after a mean survival of 86 months. Of the nine patients still alive, two are free of disease, three have a good quality of life, and four have severe disability.
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PMID:Clinical and biologic behavior of bone metastases from differentiated thyroid carcinoma. 258 23

The pathophysiological mechanisms of hypercalcaemia were assessed in 50 rehydrated patients with cancer-associated hypercalcaemia. Surprisingly, renal tubular calcium reabsorption appeared to increase progressively as serum calcium rose, suggesting that the nomogram used for the calculation may have been inaccurate, in absolute terms, probably due to its failure to take account of the levels of urinary sodium excretion. There were significant differences in the mechanisms of hypercalcaemia in different patient subgroups, however, independent of differences in urinary sodium excretion. In those with few or no bone metastases, increased renal tubular calcium reabsorption was the principal cause of hypercalcaemia, often in association with increased bone resorption. These abnormalities were thought to reflect the renal and skeletal actions of a tumour-associated humoral mediator. The main cause of hypercalcaemia in those with extensive metastatic bone disease was increased bone resorption, with contributions from impairment of glomerular filtration rate and, to a minor extent, increased renal tubular calcium reabsorption. These abnormalities were thought to reflect a mainly local-osteolytic mechanism of hypercalcaemia with secondary impairment of GFR. Of all the biochemical variables assessed pre-treatment, the renal tubular component of hypercalcaemia correlated most strongly with post-treatment serum calcium values (r = 0.61, P less than 0.001). Because of their generally lower levels of renal tubular calcium reabsorption, patients with extensive skeletal metastases also had significantly lower post treatment calcium values than patients with few or no metastases (P less than 0.05). These data indicate that the pathophysiological mechanisms of hypercalcaemia are a major determinant of the calcium lowering response after antihypercalcaemic treatment. This should be taken into account during comparative studies of antihypercalcaemic therapy in patients with malignancy.
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PMID:Malignancy-associated hypercalcaemia: relationship between mechanisms of hypercalcaemia and response to antihypercalcaemic therapy. 297 9

There are a variety of water and electrolyte disorders in patients with cancer. These disorders occur during the growth of tumors, generally as a consequence of inadequate intake and absorption of electrolytes, renal failure secondary to tumor or rapid tumor destruction and production of metabolically active substances by the tumor. In this paper, the electrolyte abnormalities associated with cancer were reviewed. Hyponatremia is one of the most common clinical electrolyte abnormalities in advanced cancer. Some patients may have hyponatremia, in spite of increased total body sodium and absence of a defect in water diuresis. This status is designated as "sick cell syndrome" or "essential hyponatremia". In addition, the syndrome of inappropriate secretion of antidiuretic hormone (SIADH) in association with various tumors has been described. This syndrome is principally due to water retention, but can also be due to continuous urinary loss of sodium, and hypo-osmolality. Hypercalcemia is associated with coexistent primary hyperparathyroidism, prostaglandin (PGE2) or osteoclast-activating factor. It now seems likely that ectopic PTH is rarely the cause of hypercalcemia in nonparathyroid cancer. There are no data supporting the ectopic production of vitamin D-like substance as an important factor in the hypercalcemia of cancer. There are three general categories in which patients with hypercalcemia and cancer may be placed: those with bone metastases, those without bone metastases of solid tumors and those with hematologic malignancies. Hypokalemia is associated with ectopic ACTH- and insulin--producing tumors, and is often found in patients with mucin-secreting, potassium-losing adenocarcinoma of the colon.
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PMID:[Electrolyte abnormalities associated with cancer: a review]. 352 93

Gallium nitrate was recently found to be effective treatment for resistant cancer-related hypercalcemia. In vitro and in vivo experiments have suggested that the drug directly inhibits calcium resorption from bone; however, the overall effects of gallium nitrate on calcium balance were unknown. We have completed metabolic balance studies in four patients who received this drug by prolonged infusion. All patients were in positive calcium balance while receiving the drug. Each patient also showed a substantial decrease in urinary calcium excretion. Serum phosphorus decreased in all four patients. There was no change in phosphorus, sodium, chloride, or magnesium balance or in creatinine clearance. We conclude that prolonged infusions of gallium nitrate reduce urinary calcium excretion and that the hypocalcemic effect of this drug is primarily due to inhibition of calcium resorption from bone. Thus, the drug may prove useful in reducing accelerated bone resorption in patients with bone metastases or chronic cancer-related hypercalcemia.
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PMID:Metabolic effects of gallium nitrate administered by prolonged infusion. 401 69

The rationale for and efficacy of bisphosphonates for pain due to cancer that has metastasized to bone are reviewed. Typical strategies for controlling metastatic bone pain have consisted of opioids, nonsteroidal anti-inflammatory drugs, surgery to stabilize bone, cancer chemotherapy, radiation therapy, and radiopharmaceuticals. Cancer metastasis to bone can produce pain through the release of prostaglandins, bradykinin, substance P, and histamine; growth of tumor into surrounding tissue; stretching of the periosteum; and pathological fractures. It has been suggested that bisphosphonates can benefit these patients by decreasing the amount of pain or decreasing analgesic requirements. Bisphosphonates bind to hydroxyapatite crystals, making it more difficult for osteoclasts to recognize exposed unmineralized bone surfaces, and are directly toxic to osteoclasts. Etidronate disodium, pamidronate disodium, clodronate disodium, and alendronate sodium are bisphosphonates that have been studied in patients with painful bone metastases. Although each of these has shown at least some benefit, the most promising agent appears to be pamidronate, especially the i.v. formulation given monthly. Although oral formulations of this agent have been studied, poor bioavailability and adverse effects limit their usefulness. Adverse effects of bisphosphonates include GI reactions, impairment of renal function, anemia, and electrolyte abnormalities. Bisphosphonates are of some benefit in relieving metastatic bone pain, but the exact role, agent, route, and duration are issues that need further study.
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PMID:Bisphosphonates for controlling pain from metastatic bone disease. 886 2

Between March 1990 and May 1993 seventy three patients with previously untreated breast cancer, Stage III or IV without osseal metastases were randomized to sodium clodronate 1600 mg daily p.o.(arm A = 37 patients) or placebo (arm B = 36 patients) over 2 years, additionally to standard therapy. Ten patients were not evaluable for response because of short duration of therapy (less than 2 months). Bone metastases developed in 30% of patients in arm A and 23% patients in arm B. Median time to appearance of bone metastases was 13 months in arm A and 28 months in arm B. Non-bone metastases appeared in 48% patients in arm A and in 48% patients in arm B. Time to development of non-bone metastases was 20 months in arm A and 16 months in arm B. Five-year survival was 41% in arm A and 39% in arm B. There were no significant differences between the treated and control arms.
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PMID:Adjuvant clodronate therapy in patients with locally advanced breast cancer--long term results of a double blind randomized trial. Slovak Clodronate Collaborative Group. 1104 42

Bone pain from metastatic disease is most common in cancers of the breast, prostate, and lung. Despite the World Health organization algorithm for treating such pain, the outcomes are not often satisfactory. In 2005, there will be 3 radiopharmaceuticals available in the United States that can reduce or relieve bone pain caused by osteoblastic metastases with apparently equal efficacy. Phosphorus-32 as sodium phosphate, strontium-89 ( 89Sr) as the chloride, and samarium-153 lexidronam may all be given intravenously (and 32P also orally) in patients where bone scintigraphy demonstrates a metastatic lesion causing the patient's bone pain. Side effects are usually mild and include pancytopenia with leukocyte and platelet nadirs at approximately 50% of baseline, and a mild-to-moderate, but brief, increase in pain ("flare") in approximately 10% of patients. At least 1 of these radiotracers, 89Sr, has the availability to reduce the incidence of new bone metastases as well, but, given alone, none prolong life. In a few studies in which 89Sr has been combined with chemotherapy, prolongation of patient survival has been demonstrated. Many questions remain as to the optimization of use of this group of radiopharmaceuticals, including whether combinations of radiopharmaceuticals with each other, with bisphosphonates or with chemotherapy can improve the therapeutic outcomes even more.
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PMID:Teletherapy and radiopharmaceutical therapy of painful bone metastases. 1576 78

According to the guidelines of WHO [WHO, 1999. Cancer Pain and Palliative Care Program. Cancer Pain Release, vol. 13], the term terminally ill patient refers to oncological patients whose life expectancy is lower than 90 days, and the index of their physical state (defined as the Karnofsky Index) is below 50. The terminally ill oncological patients are treatable with the palliative cures, representing a treatment system aimed at improving the quality of life (QOL) of both the patient and the family members, decreasing the physical and psychical sufferance of the patient. The present study followed 35 terminally ill oncological patients with bone metastases, at their homes, for the University of Catania. These patients had previously been followed by the Local Sanitary Unit (ASL 3) of Catania, and established a life expectancy not longer than 3 months. Independently from the basic neoplastic disease resulting in the bone metastases, all the patients were treated with sodium clodronate (SC) intravenously, 300 mg every second day, in order to decrease the bone pains. The visual analogue scale (VAS) for pain relief, the autonomy (IADL) and autosufficiency (ADL, Barthel Index) were evaluated after 1, 3, and 6 months of treatment. The results indicate an overall significant improvement both in the pain symptoms and the QOL. Also the compromised autonomy and autosufficiency of this population seemed to be improved, at least as compared to the predicted and expected results at the start of this trial, and also compared to the relevant literature. One can conclude that the i.v. application of 300 mg of SC every other day produced a significant pain reduction and improved the QOL, and helped in maintaining the actual autonomy and autosufficiency. On this basis we suggest the use of this compound in the given type of terminally ill patients.
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PMID:The use of bisphosphonates in palliative treatment of bone metastases in a terminally ill, oncological elderly population. 1632 38


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