Efficacy of Radiotherapy in Combination With Zoledronic Acid in Bone Metastasis Patients With Gastrointestinal Tumors

Overview

Bone metastasis causes bone destruction and skeletal related events (SRE) including compression fracture, hypercalcemia, and spinal cord compression. Therefore, palliative treatments for pain control and local control have become important and multidisciplinary multimodality approach is needed for treatment of bone metastasis. The efficacy of radiotherapy (RT) for bone metastasis is well known. And the results that bisphosphonate decreases SRE in patients with solid tumor and multiple myeloma reported. In previous retrospective reports, the combination of local RT and systemic bisphosphonate was more effective than RT alone. Therefore, Investigators designed a phase II study to evaluate the efficacy of RT in combination with zoledronic acid on pain relief and the safety of RT in bone metastasis patients with gastrointestinal tumors.

Full Title of Study: “Phase II Study of Efficacy of Radiotherapy in Combination With Zoledronic Acid on Pain Relief in Bone Metastasis Patients With Gastrointestinal Tumors”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: N/A
    • Intervention Model: Single Group Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: February 28, 2017

Interventions

  • Drug: Zoledronic acid
    • Zoledronic acid: every 4 weeks, 6 times, 4.0 mg iv
  • Radiation: Radiotherapy
    • Radiotherapy: 5 days/ week, 3 Gy * 10-13 fractions or 4 Gy * 5 fractions,

Arms, Groups and Cohorts

  • Experimental: RT & Zoledronic acid
    • Radiotherapy: 5 days/ week, 3 Gy * 10-13 fractions or 4 Gy * 5 fractions, Zoleronic acid: every 4 weeks, 6 times, 4.0 mg iv

Clinical Trial Outcome Measures

Primary Measures

  • Pain relief rate
    • Time Frame: Change from baseline pain extent at 1,3,6 months

Secondary Measures

  • skeletal related events (fracture and spinal cord compression)
    • Time Frame: at 18months after the IRB approval
    • skeletal related events (SRE) (fracture, spinal cord compression due to metastasis requiring operation or radiotherapy. Occurence of pain is not regarded as SRE.) (SRE including fracture will be evaluated with plain X-ray at 1 month after completion of RT, and plain X-ray and MRI at 3 months after completion of RT. all imaging studies will be reviwed by clinician and radiologist.)
  • Overall survival
    • Time Frame: at 18months after the IRB approval

Participating in This Clinical Trial

Inclusion Criteria

  • Patients with radiologic detectable bone metastasis (spine or non-spine) – Patients with clinical diagnosis of gastrointestinal cancer: esophagus, stomach, colorectum, anus, liver, pancreas, gallbladder, biliary tract, etc. – Patients over 20 years of age of both genders – ECOG: 0 ~ 2 – Pain: worst pain score on BPI ≥3 Exclusion Criteria:

  • Undetectable bone metastasis on radiologic study – Patients who have previous surgery history at same site – Patients who are considered surgery first: pathologic fracture, neurological or radiological evidence of spinal cord compression, impending pathologic fracture – Patients who have hypersensitivity for zoledronic acid or other bisphosphonate – Patients who have treatment history with zoledronic acid or other bisphosphonate – Abnormal renal function or history of kidney transplantation – Patients with metabolic bone disease – Synchronous symptomatic brain metastasis – Women who are pregnant, breast-feeding, or possible pregnancy

Gender Eligibility: All

Minimum Age: 20 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Severance Hospital
  • Provider of Information About this Clinical Study
    • Principal Investigator: Jinsil Seong, Professor in Dept. of Radiation Oncology – Severance Hospital

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