The Feasibility of Using Anesthesia and Suspended Ventilation to Immobilize Liver Tumors During Radiotherapy

Completed · Not applicable

Conditions studied: Liver Cancer

In brief

Liver tumors are hard to treat with radiation because the liver moves every time you breathe. The purpose of this study is to test a new and possibly more accurate way of treating liver tumors. When a person is asleep under anesthesia, it is safe to stop breathing motion for a while. The liver will stop moving and radiation can be given to a liver tumor. The study is being done to see if radiation can be given to liver tumors safely and accurately in this way.

Key facts

Study ID

NCT00774501

Run by

Memorial Sloan Kettering Cancer Center

People needed

10

Starts

2008-10-01

Expected to finish

2016-02-01

Last updated by the study team

2016-02-18

Who can join

Age: 21 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patient eligible to receive external beam intensity modulated radiotherapy for liver cancer
• Age:21<80
• KPS > or = to 80
• Able to tolerate immobilization cradle positioning
• Able to give informed consent
• Histologically confirmed diagnosis of solid tumor malignancy
• Liver metastases visualized on CT imaging (obtained within approximately 6 months from enrollment).
• Target lesion ≤ or = to 8 cm in maximal diameter
• In the case of multiple liver metastases, only one lesion will be targeted per treatment session. Typically the target lesion will be the lesion which is progressing or the cause of symptoms. The target lesion will be picked in consultation with the referring physician.

You may not qualify if…

• Lymphoid primary histology (lymphoma/leukemia)
• Single metastasis in an operable patient. Operable lesions will only be considered for enrollment in the protocol if the patient refuses resection of the metastasis.
• Target lesion > 8 cm in maximal diameter
• Cirrhosis of the liver (Child's C)
• Liver function enzymes (AST, ALT) > 3x normal , obtained within 1 month of treatment.
• < 500 cc uninvolved liver
• Unable to tolerate intravenous CT contrast
• Serum Hemoglobin < 9.0 (obtained within 1 month of treatment)
• Presence of untreated brain metastases
• Severe pulmonary disease (O2 dependent, unable to walk a flight of stairs)
• Unstable cardiac status
• Unstable angina
• Significant abnormal 12 lead EKG (non sinus arrhythmia or ischemia unsuitable for general anesthesia)
• Congestive Heart Failure
• Abnormal kidney function (serum creatinine > 1.5) obtained within 1 month of treatment
• Platelet count <70.000. (obtained within 1 month of treatment).
• INR > 2.0 (obtained within 1 month of treatment)
• Marker seed placement not possible
• Implanted defibrillator/pacemaker
• Evidence of increased intracranial pressure
• Significant ascites
• Morbid Obesity
• Pregnancy

Where it is running

• Memorial Sloan Kettering Cancer Center — New York, New York, United States

Full record on ClinicalTrials.gov

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