Breast cancer patients with metastatic bone disease Cancer Breast cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Female patient aged>=18 years. Indication for the treatment of metastatic bone disease with bisphosphonates 2. ECOG performance status 0, 1 or 2. Histologically confirmed diagnosis of breast cancer 3. Radiological evidence of metastatic bone disease 4. Life expectancy of greater than 6 months 5. Normal renal function 6. Liver function tests within 2 times the upper limit of normal for the local laboratory 7. Calcium levels within normal range for local laboratory (no evidence of hypercalcaemia or hypocalcaemia) 8. Patient is not pregnant or lactating and is willing to use adequate contraception 9. Written informed consent in accordance with local requirements
Exclusion criteria
Exclusion criteria: 1. Bisphosphonate use within 6 months 2. Previous bisphosphonate hypersensitivity 3. Change in systemic anti-cancer treatment within 3 months preceeding trial entry 4. Administration of Strontium or Sumarium within 6 months of trial entry 5. Local radiotherapy within 2 weeks of study 6. Any other bone disease: Paget's disease of bone, metabolic bone disease 7. Psychiatric condition that would preclude obtaining informed consent 8. Bone active treatment within 3 months (i.e. HRT use) but Tamoxifen permitted 9. Concurrent vitamin D or retinoids 10. Active peptic ulcer 11. Acetylsalicylic acid sensitive asthma 12. Treatment with aminoglycosides
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary study end-point is the percentage reduction in S-CTX-1 from baseline by day 5 on study | — |
Secondary
| Measure | Time frame |
|---|---|
| The secondary study end-point is the percentage reduction in S-CTX-1 level from baseline at the end of weeks 1-8 averaged | — |
Countries
United Kingdom