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Stereotactic Radiosurgery With Sunitinib for Brain Metastases

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00981890
Recruitment Status : Active, not recruiting
First Posted : September 22, 2009
Last Update Posted : October 6, 2021
Information provided by (Responsible Party):
University Health Network, Toronto

Brief Summary:

The purpose of this study is to determine the maximum dose of sunitinib that can be tolerated when treatment is combined with radiotherapy. Patients who decide to take part in the study will start taking sunitinib alone for 7 days. On the seventh day of taking sunitinib, patients will be given stereotactic radiosurgery (SRS).

The dose of radiation that patients will receive when they are given SRS is a standard dose used to help shrink brain metastases. The dose of radiation and the way it is delivered is not experimental.

Patients will then continue to take sunitinib seven days per week after SRS, and depending on how far along the study is when they join, they may continue taking the drug for up to 13 weeks after SRS. Patients will undergo weekly assessment during study treatment.

Condition or disease Intervention/treatment Phase
Brain Metastases Drug: Sunitinib Phase 1

Detailed Description:

Brain metastases occur in 20% to 40% of all patients with cancer, with an incidence 10 times higher than that of primary malignant brain tumours. The reported median survival of patients with brain metastases is only 1-2 months with corticosteroids and 5-7 months with whole brain radiotherapy (WBRT). But with improvements in neuroimaging, brain metastases are being diagnosed more frequently and with a lower burden of disease, such that approximately 50-60% of patients have 1 to 4 brain metastases at diagnosis. In these patients, stereotactic radiosurgery (SRS), a single high dose of radiation delivered with high precision to the target lesion, is being used increasingly as an alternative to surgical resection or as an adjunct to WBRT. The addition of SRS to WBRT has provided improvements in local control and functional autonomy for patients with oligometastatic brain disease, supporting the hypothesis that SRS increases efficacy against tumours resistant to the significantly lower doses used in WBRT.

SRS can accomplish destruction of a defined intracranial target through precise targeting of a high dose of radiation with a sharp dose fall off at the target boundaries and minimal damage to surrounding tissue. Brain metastases are well suited for SRS as they are often small, radiographically well-circumscribed, pseudo-spherical tumors that are non-infiltrative, and they are often located at the gray-white junction, where toxicity to critical structures is minimal. SRS toxicity is low (<5%).

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 22 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase I Study of Stereotactic Radiosurgery Concurrent With Sunitinib in Patients With Brain Metastases
Study Start Date : July 2009
Actual Primary Completion Date : July 2014
Estimated Study Completion Date : June 2022

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Sunitinib Drug: Sunitinib
Sunitinib is a tablet that is taken by mouth every day. Patients will be treated with Sunitinib alone for 7 days. On the seventh day of taking the drug they will be given SRS. Sunitinib will continue for seven days per week after SRS, and depending on how far along the study is when patients join, they may continue taking the drug for up to 13 weeks after SRS.

Primary Outcome Measures :
  1. Determine the safety and maximum tolerated dose of Sunitinib when combined concurrently with SRS in patients with 1-3 brain metastases [ Time Frame: 2 years ]

Secondary Outcome Measures :
  1. Assess: late toxicities/Tx effect on cognitive function/potential prognostic factors/time to Intracranial Local & Distant Progression/brain Progression-free Survival/alterations in tumour perfusion parameters & effects in normal brain tissue [ Time Frame: 2 years ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Biopsy proven malignancy (original biopsy is adequate as long as the brain imaging is consistent with brain metastases).
  • Patients age 18 years of age or older, as the effects of Sunitinib at the recommended therapeutic dose are unknown in children.
  • A contrast-enhanced MRI demonstrating the presence of 1-3 brain metastases performed within four weeks prior to registration.
  • The dominant contrast-enhancing intraparenchymal brain metastases must be well-circumscribed and must have a maximal diameter of ≤ 4.0 cm in any direction on the enhanced scan. If multiple lesions are present and one lesion is at the maximum diameter, the other(s) must not exceed 3.0cm in maximum diameter.
  • Life expectancy > 3 months
  • RPA Class 1 and RPA Class 2 patients with stable primary disease
  • No systemic anti-cancer therapy within 30 days of starting or completing study treatment
  • Patients must have normal organ and marrow function as defined in the protocol.
  • Effects of Sunitinib on the developing human fetus at the recommended therapeutic dose are unknown. Women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately.
  • Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria:

  • Patients with leptomeningeal metastases documented by MRI or CSF evaluation
  • Evidence of intratumoural or peritumoural hemorrhage deemed significant by the treating physician
  • Patients with metastases within 5 mm of the optic chiasm or optic nerve
  • Patients with metastases in the brainstem (midbrain, pons, or medulla).
  • < 4 weeks since any major surgery. (Previous brain surgery, including craniotomy for tumour resection [except cerebral metastases] or biopsy is permissible.)
  • Prior resection of cerebral metastasis
  • Previous cranial radiation. Patients may have had radiation therapy to other anatomical sites, but must have recovered from acute toxic effects prior to registration. At least 2 weeks must have elapsed since last dose of radiation before registration.
  • Treatment with a non-approved or investigational drug concurrently or within 30 days before Day 0 of study treatment or within 30 days after the last day of study treatment.
  • Treatment with sunitinib or other inhibitors of the VEGF signalling axis within 30 days before Day ) of study treatment or within 30 days after last day of study treatment.
  • Bleeding disorders.
  • Thrombolytic therapy within 4 weeks
  • Concurrent use of anticoagulant or antiplatelet drugs
  • Concurrent use of enzyme-inducing anti-epileptic drugs
  • Patients with any condition that impairs their ability to swallow Sunitinib (e.g. gastrointestinal tract disease resulting in an inability to take oral medication or a requirement for IV alimentation, prior surgical procedures affecting absorption, or active peptic ulcer disease).
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection or psychiatric illness/social situations that would limit compliance with study requirements.
  • Patients with poorly controlled hypertension (systolic blood pressure of 150 mmHg or higher, or diastolic blood pressure of 100 mmHg or higher) are ineligible
  • New York Heart Association (NYHA) Class III or IV disease
  • NYHA class II disease controlled with treatment and monitoring allowed
  • HIV-positive patients on combination antiretroviral therapy are ineligible because of the potential for pharmacokinetic interactions with Sunitinib. In addition, these patients are at increased risk of lethal infections when treated with marrow-suppressive therapy. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated.
  • Pregnant women. These patients are excluded because there is an unknown but potential risk for adverse events in the fetus. Because there is also an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with Sunitinib. Breastfeeding should be discontinued if the mother is treated with Sunitinib.
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to Sunitinib.
  • Individuals with MRI non-compatible metal in the body, or unable to undergo MRI procedures.
  • Allergy to gadolinium
  • Allergy to Iodine Contrast Agent
  • Glomerular Filtration Rate of less than 30ml.min/1.73m2 as measured by creatinine clearance through the Cockcroft-Gault formula [(140-age) X Mass in kg / 72 X plasma creatinine (mg/dl)]
  • Primary germ cell tumor, small cell carcinoma, or lymphoma

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00981890

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Canada, Ontario
University Health Network, Princess Margaret Hospital
Toronto, Ontario, Canada, M5G 2M9
Sponsors and Collaborators
University Health Network, Toronto
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Principal Investigator: Caroline Chung, MD University Health Network, Princess Margaret Hospital
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Responsible Party: University Health Network, Toronto Identifier: NCT00981890    
Other Study ID Numbers: UHN REB 09-0115-C
First Posted: September 22, 2009    Key Record Dates
Last Update Posted: October 6, 2021
Last Verified: October 2021
Keywords provided by University Health Network, Toronto:
Brain Metastases
Stereotactic radiosurgery
Patients with Brain Metastases
Additional relevant MeSH terms:
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Neoplasm Metastasis
Neoplasms, Second Primary
Brain Neoplasms
Neoplastic Processes
Pathologic Processes
Central Nervous System Neoplasms
Nervous System Neoplasms
Neoplasms by Site
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Antineoplastic Agents
Angiogenesis Inhibitors
Angiogenesis Modulating Agents
Growth Substances
Physiological Effects of Drugs
Growth Inhibitors
Protein Kinase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action