- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01637766
Intra-arterial Chemotherapy for Spinal Metastases (SIAC)
Selective Intra-arterial Chemotherapy in the Treatment Strategy of Metastatic Spinal Disease
Metastatic malignant tumors comprise the vast majority of spinal tumors in adults. The most devastating complication of spinal metastatic disease (SMD) is invasion of the spinal canal and compression of the spinal cord or the nerve roots of the cauda equina, resulting in a clinical entity known as cord compression that manifests with progressive loss of motor function and sensation in the legs, as well as bladder and bowel incontinence.
The treatment of spinal metastases is mostly palliative with the goals of improving or maintaining neurologic function, achieving local tumor control, and spinal stability. Most patients with spinal metastatic disease are currently treated effectively with radiation therapy and/or surgery with good results. There are however certain limitations in the current treatment of SMD. Radiation therapy has two important limitations: 1) if the targeted SMD is in close proximity the spinal cord, delivery of high radiation doses is contraindicated as it may cause radiation-induced damage to the spinal cord (myelopathy, and 2) there is limit on the cumulative amount of radiation dose, which means that recurrent tumors may not be amenable to repeat radiation therapy. As far spinal surgery is concerned, the main limitation is that some patients are not fit for surgery because of medical co-morbidities.
This phase I clinical research trial will test the hypothesis that a new minimally invasive treatment called spinal intra-arterial chemotherapy (SIAC) can be safely applied in patients with SMD.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
To date, there is no effective systemic therapy for spinal metastases, and the goal of treatment is to achieve local control of the tumor. Despite advances in radiation therapy, there is still a subgroup of patients that cannot be effectively treated with radiation because of close proximity of the tumor to the spinal cord. In addition, in cases of recurrent tumors, some patients cannot be re-treated because they reached the maximum allowed radiation dose. Surgery is the alternative treatment for these patients, but some tumors do recur after surgery while some patients have comorbidities that make surgery a high-risk procedure.
Based on our prior experience with selective IA chemotherapy for the treatment of ocular retinoblastoma and the high local control rates achieved with selective IA injection of chemotherapy in recurrent limb melanoma (limb infusion and limb perfusion) we expect that spinal intra-arterial chemotherapy with selective injection of Melphalan in the arteries feeding the metastatic disease is feasible and safe and may prove beneficial in achieving local control of the spinal tumor, preventing neurological compromise from cord compression. This minimally invasive approach can be used in patients in whom radiation therapy and surgery are contra-indicated and essentially have no other treatment options.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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New York
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New York, New York, United States, 10065
- Weill Cornell Medical College Department of Neurological Surgery
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with metastatic diseases to the spine causing cord compression grades 1, and 2 who are not candidates for the standard treatment of radiation therapy or surgery.
- Patients older than 18 years old.
- Patients able to give informed consent.
Exclusion Criteria:
- MRI findings of grade 3 epidural cord compression.
- Rapidly worsening neurological symptoms.
- The vascular supply to the spinal cord (anterior and/or posterior spinal arteries) originates from the same segmental arteries (intercostal or lumbar arteries) supplying the tumor.
- Life expectancy less than 3 months.
- Pregnant or lactating patients.
- Female patients with inadequate contraception.
- History of severe allergy to contrast media.
- Renal insufficiency (Creatinine >1.5mg/dL)
- WBC < 3000 cells/ mm3
- Platelets < 75000 cells/ mm3
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Selective intra-arterial chemotherapy
Subjects recruited to this study will receive intra-arterial injections of chemotherapy (melphalan) in the branches of the arteries feeding the metastatic spinal tumor.
Subjects will receive general anesthesia or conscious sedation.
A catheter will be guided using X-ray from the femoral artery at the top of the leg to the arteries of the spine.
A dye will be injected through the catheter to show the arteries in greater detail.
The chemotherapy is then injected into the tumor.
We will inject the maximum systemic dose adjusted to white blood count and platelet count.
Subjects will undergo three cycles of chemotherapy three to six weeks apart.
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Patients will undergo a minimally invasive procedure called spinal angiography. This procedure will identify the arteries feeding the tumor causing cord compression and will determine whether chemotherapy can be safely infused. The chemotherapy will be infused via a tiny soft plastic tube (called "microcatheter") at the tumor site over approximately 30 minutes. The drug of choice is melphalan (trade name Alkeran) at a maximum dose of 16mg/m2, adjusted for white cell count, platelet count and renal function. We will perform up to three intra-arterial chemotherapy treatments in 3-6 week intervals, based on the results of complete blood counts.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Percentage of patients in whom intra-arterial chemotherapy is performed without severe complication.
Time Frame: 30 days
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30 days
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change in spinal epidural tumor size as depicted on the MRI scans after treatment.
Time Frame: 12 months
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12 months
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Collaborators and Investigators
Investigators
- Principal Investigator: Athos Patsalides, Weill Cornell
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
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
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Central Nervous System Diseases
- Nervous System Diseases
- Neoplasms
- Neoplasms by Site
- Musculoskeletal Diseases
- Neoplastic Processes
- Spinal Cord Diseases
- Central Nervous System Neoplasms
- Nervous System Neoplasms
- Bone Diseases
- Bone Neoplasms
- Neoplasm Metastasis
- Spinal Diseases
- Spinal Cord Neoplasms
- Spinal Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Melphalan
Other Study ID Numbers
- 0807009906
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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