- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02608866
Single Versus Multiple Fractionated SSRS for Spinal Metastases
A Prospective Randomized Clinical Trial of Single Versus Multiple Fractionated Stereotactic Spine Radiosurgery for Patients With Spinal Metastases
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Although conventionally fractionated radiation therapy has been utilized for decades, the rates of complete pain relief and local control for complex tumors are sub-optimal. The management of patients with spine metastasis has undergone a great deal of change in the past 5 years. Improvements in neuroimaging, computer-assisted treatment planning, and radiation therapy techniques have led to the development of extracranial radiosurgery.
SSRS is rapidly being adopted in the clinic as preliminary applications of SSRS appears promising. However, the role of SSRS remains in its infancy and lacked high-quality evidence about the treatment schedule and lacked a solid understanding of the adverse events. The Radiation Therapy Oncology Group (RTOG) 0631 phase 2/3 study was initiated to determine whether a more intensive radiation dose delivered by image guided 16-Gy dose single fraction SRS could improve pain control and quality of life as compared with conventional external-beam radiotherapy in patients with localized spine metastases . While other group used treatment schedule in a total dose of 27-30 Gy in three fractions.
Serious adverse events such as vertebral compression fracture (VCF) is a fairly low-risk adverse event after conventional radiotherapy, nevertheless, the crude risk estimates for VCF after spinal stereotactic body radiation therapy is relative more frequent. Previous reports has raised the caution about the given dose and predictive factors, however; whether these two most widely used SSRS schedule (ie. single fraction versus three fractions) provide equivalent pain control and minimal side effects remained to be answered.
There was no randomized trials to assess the SSRS treatment response and SSRS induced grade 3 or higher adverse events between the two most widely adopted scheme. Thus, the investigators proposed the randomized study to determine the feasibility of delivering a single 16-Gy SRS dose versus 3 fractions 24-Gy SRS dose and tried to evaluate the toxicity profile and gain robust data as well as predictive factors regarding the risk of complications after SSRS, including VCF. The investigators will incorporate the recently developed and reported reliable Spinal Instability Neoplastic Scoring (SINS) system and well-designed patient reported outcome measures (PROMs) into the protocol to predict the adverse event and quality of life of each participant. The researchers also tried to investigate the possible associations of the potential bone biomarkers for the risk assessment of SSRS-related adverse bone events.
Since the patients were randomized for treatment arms, the effectiveness of SSRS treatment scheme and adverse profile can be investigated more properly in the present study.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
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Taipei, Taiwan, 100
- National Taiwan University Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria
To be eligible for inclusion, patients must fulfill the following criteria:
- Patients with a histologic diagnosis of non-hematopoietic malignancy
- Radiographic evidence of localized spine metastases without leptomeningeal involvement or intramedullary lesion
- Maximum three separate sites with a maximal involvement of two continuous vertebral levels
- Patients do not have prior radiotherapy to the index spine(s)
- Patients with metastatic epidural spinal cord compression (≥ grade 2) at the index spine(s) who will not be treated with spine surgery after evaluation by neurosurgeon or orthopedic doctor
- Age ≥ 20 years
- Karnofsky performance status (KPS) ≥ 60%.
- Life expectancy of ≥ 4 month.
- Women of childbearing potential and male participants must practice adequate contraception
- Patients must be able to comply with the study protocol and follow-up schedules and provide study-specific informed consent
Exclusion criteria Patients fulfill any of the following criteria will be excluded from this trial
- Prior radiotherapy to the index spine(s)
- Serum creatinine > 2.0 mg/dL within 90 days prior registration
- Contraindication to MRI such as implanted metal devices or foreign bodies, severe claustrophobia
- Patients with leptomeningeal involvement or intramedullary metastasis
- Inability to tolerate treatment procedure
- Bony retropulsion causing neurologic abnormality
Severe, active comorbidities which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and adverse events of the protocol, or limit compliance with study requirements, defined as follows:
- Uncontrolled active infection requiring intravenous antibiotics at the time of registration
- Transmural myocardial infarction ≤ 6 months prior to registration
- Unstable angina or congestive heart failure requiring hospitalization ≤ 6 months prior to registration
- Life-threatening uncontrolled clinically significant cardiac arrhythmias
- Hepatic insufficiency resulting in clinical jaundice and/or coagulation defects
- Chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of registration
- Uncontrolled psychiatric disorder
- Will receive any other investigational agent or chemotherapy and/or target therapies during treatment
- Women of childbearing potential and male participants who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the radiation treatment involved in this study may be significantly teratogenic
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: SF-SSRS
Single-Fraction (SF) Stereotactic Spine Radiosurgery
|
Spine stereotactic radiosurgery/ablative radiotherapy (SSRS) with 16 Gy in single fraction to the defined target volume using intensity modulated radiotherapy or volumetric modulated arc therapy (VMAT or RapidArc).
|
EXPERIMENTAL: MF-SSRS
Multiple-Fraction (MF) Stereotactic Spine Radiosurgery
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SSRS with 24 Gy in three fractions to the defined target volume using intensity modulated radiotherapy or volumetric modulated arc therapy (VMAT or RapidArc).
Treatment should be given on every other day.
Treatment on the consecutive days to the same target volume is not allowed.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Common Toxicity Criteria for Adverse Events version 4 Grade 3 or higher adverse events related to spine radiosurgery
Time Frame: 16 weeks after SSRS
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The rate of 4-month Common Toxicity Criteria for Adverse Events version 4 grade 3 or higher adverse events definitely, probably or possibly related to treatment
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16 weeks after SSRS
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The pain response rate at the treated index site(s) at 4 months by the numerical rating pain scale
Time Frame: 16 weeks after Stereotactic Spine Radiosurgery
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16 weeks after Stereotactic Spine Radiosurgery
|
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Health-related quality of life for palliative cancer care patients
Time Frame: 1-, 2-, 4-, 6-, 9-, and 12-month after Stereotactic Spine Radiosurgery
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European Organization for Research and Treatment of Cancer Quality of Life-Core 30 questionnaire module and Quality of Life questionnaire for palliation
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1-, 2-, 4-, 6-, 9-, and 12-month after Stereotactic Spine Radiosurgery
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Local control rate at the treated index site(s)
Time Frame: From date of enrolment until the date of first documented local progression or date of death from any cause, whichever came first, assessed up to 60 months
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From date of enrolment until the date of first documented local progression or date of death from any cause, whichever came first, assessed up to 60 months
|
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Acute toxicity (Common Toxicity Criteria for Adverse Events version 4)
Time Frame: Within 90 days after Stereotactic Spine Radiosurgery
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Within 90 days after Stereotactic Spine Radiosurgery
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Late toxicity (Common Toxicity Criteria for Adverse Events version 4)
Time Frame: From 90 days after Stereotactic Spine Radiosurgery until the date of death from any cause, up to 60 months
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From 90 days after Stereotactic Spine Radiosurgery until the date of death from any cause, up to 60 months
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Changes of spinal cord function by Frankel's classification grading system for spine injury at 4 months
Time Frame: 16 weeks after Stereotactic Spine Radiosurgery
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16 weeks after Stereotactic Spine Radiosurgery
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Tumor-related spinal instability by the Spinal Instability Neoplastic Score (SINS) at 4 months.
Time Frame: 16 weeks after Stereotactic Spine Radiosurgery
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16 weeks after Stereotactic Spine Radiosurgery
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Osseous changes of the treated index site(s) on CT scan within 12 months
Time Frame: 2-, 4-, 6-, 9-, and 12-month after Stereotactic Spine Radiosurgery
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2-, 4-, 6-, 9-, and 12-month after Stereotactic Spine Radiosurgery
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Genomic risk of radiation induced vertebral compression fracture
Time Frame: At baseline
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Assessed by grading based on vertebral height loss
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At baseline
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 201509057RIND
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