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About
This study is an open label prospective trial of TheraSphere treatment for patients who have liver metastases who have failed or are intolerant to other systemic or liver directed therapies. Patients will be treated with TheraSphere at doses of 120 ± 10% Gy, and then followed for time to progression (TTP), safety, and overall survival.
Enrollment
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Inclusion and exclusion criteria
Inclusion Criteria
A patient is considered to have failed to other systemic or liver-directed therapies when, in the opinion of the referring physician, the patient has progression of disease after receiving standard approved therapies. Specifically, if a patient has failed first line chemotherapy (or the standard approved therapies for that particular solid tumor), in the time period designed to assess that particular regimen (at least 30 days), then they may be enrolled into this protocol.
A patient is intolerant to other systemic or liver-directed therapies when, in the opinion of the referring physician, for example, the patient is unable to tolerate appropriate chemotherapy, when the patient had residual toxicity from previous therapies (e.g. neuropathy from oxaliplatin), or when the patient's performance status is such that treatment with systemic therapies would result in excessive toxicity.
Liver metastases are unresectable
Target tumors should be measurable using standard imaging techniques
Tumor replacement ≤ 70% of total liver volume based on visual estimation by the Investigator
Tumors are hypervascular based on visual estimation by the Investigator
Eastern Cooperative Oncology Group (ECOG) Performance Status score of 0-2
At least one month has elapsed since most recent prior cancer therapy with the following exceptions
Patient is willing to participate in the study and has signed the study informed consent
Exclusion Criteria
At risk of hepatic or renal failure, as indicated by any of the following pre-treatment laboratory and clinical findings within 28 days of treatment:
Contraindications to angiography and selective visceral catheterization that may include, but are not limited to, the following:
Severe liver dysfunction or presentation of pulmonary insufficiency or a clinically evident history of chronic obstructive pulmonary disease
Cirrhosis or portal hypertension
Previous external beam radiation treatment to the liver
Any intervention for, or compromise of the Ampulla of Vater
Clinically evident ascites. (Note: A radiographic finding of trace ascites on imaging is acceptable).
Any continuing complications of prior cancer therapy that have not improved or resolved prior to 21 days before the first treatment with TheraSphere (if the investigator determines that the continuing complication will compromise the safety of the patient following treatment with TheraSphere).
In the judgment of the physician, significant life-threatening extrahepatic disease
Concurrent enrollment in another clinical study
Evidence on technetium-99m macroaggregated albumin (99mTc-MAA) scan that demonstrates lung shunting with a potential absorbed dose of radiation to the lungs >30 Gy. The 30 Gy limit is a cumulative limit over all infusions of TheraSphere.
Evidence on technetium-99m macroaggregated albumin (99mTc-MAA) scan that demonstrates a potential for the deposition of microspheres to the gastrointestinal tract that cannot be corrected by placement of the catheter distal to collateral vessels or using standard angiographic techniques, such as coil embolization.
A positive serum pregnancy test in women of childbearing potential
In the Investigator's judgment, any co-morbid disease or condition or event (e.g., recent myocardial infarction) that would place the patient at undue risk, and that would preclude safe use of TheraSphere
Primary purpose
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50 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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