Bone Resorption and Skeletal Complications in Metastatic Bone Disease
Author Information
Author(s): Brown J E, Thomson C S, Ellis S P, Gutcher S A, Purohit O P, Coleman R E
Primary Institution: Cancer Research Centre, Weston Park Hospital, Sheffield, UK
Hypothesis
This study seeks to determine if there is a relationship between Ntx levels and subsequent skeletal complications in patients with metastatic bone disease.
Conclusion
The study found a strong correlation between bone resorption rates measured by Ntx and the frequency of skeletal complications in patients with metastatic bone disease.
Supporting Evidence
- Ntx levels were significantly correlated with the occurrence of skeletal complications.
- Patients with Ntx levels above 100 nmol/mmol creatinine were much more likely to experience complications.
- The study correctly predicted 84% of patients who would experience a skeletal complication based on baseline Ntx.
Takeaway
Doctors can use a test to measure a substance in urine to help predict if cancer patients will have problems with their bones.
Methodology
121 patients with bone metastases were studied, measuring urinary Ntx levels and recording skeletal complications over time.
Limitations
The study was limited by the decreasing number of patients available for follow-up over time due to disease progression.
Participant Demographics
Patients included 91 with breast cancer, 26 with prostate cancer, and 4 with other types of cancer, with a median age of 56 years.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI 7.55, 50.22
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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