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Clinical Trial Summary

This study is a prospective single arm trial designed to study the safety and effectiveness of a medical device, NovoTTF-200A, used with stereotactic radiosurgery (SRS) in subjects with brain metastases from small cell lung cancer (SCLC).


Clinical Trial Description

Tumor Treating Fields (TTFields) are low intensity alternating electric fields, which are tuned to interfere with the division process of cancer cells. TTFields are delivered to the region of cancer using an investigational device, called the NovoTTF-200A system. The device is portable, light weighted, battery operated device designed to deliver TTFields to brain metastases from small cell lung cancer (SCLC). TTFields are a novel, non-invasive regional anti-mitotic treatment modality. Pre-clinical studies and clinical data in glioblastoma multiforme (GBM) have demonstrated a favorable safety profile and clinical superiority when treating the brain with TTFields. In addition, durable response have been demonstrated with 200kHz TTFields monotherapy for supratentorial tumors of the brain. The development of brain metastases is devastating for SCLC patients and their families. Treatment options in this setting are limited to SRS or WBRT or a combination thereof. Few clinicians treat SCLC brain metastases with SRS alone because intracranial recurrence is high due to the fact that the entire brain is not treated. WBRT treats the entire brain and improves intracranial control, but at the risk of neurocognitive complications. Thus, new therapeutic options are needed, particularly ones that allow for greater intracranial control while minimizing the risk of neurocognitive adverse events. As such, TTFields following SRS may allow for sufficient regional treatment of the brain to eliminate any remaining tumor cells following radiosurgery as well as micro-metastases that remain untreated, and ultimately prolong intracranial control. Due to the favorable safety profile seen in phase III recurrent and newly diagnosed glioblastoma trials and in which the patients reported improved neurocognitive and emotional functioning, NovoTTF-200A is not expected to have neuro-toxic effects seen with WBRT. Thus, the investigators hypothesize that the use of NovoTTF-200A applied to the brain following SRS for SCLC brain metastases will have cerebral control comparable to WBRT with less neurocognitive effects. The patient will undergo stereotactic radiosurgery (SRS). Radiosurgery is a single treatment and will be done as an outpatient procedure. Stereotactic Radiosurgery (SRS) will be followed by continuous TTFields treatment using the NovoTTF-200A. The patient will start using the NovoTTF-200A device within 7 days of SRS. The NovoTTF-200A treatment will be started by the device support specialist (DSS), trained by NovoCure, or by your study doctor. The patient will be educated and trained on how to properly use the device in the clinic or by a separately scheduled home visit. During this visit, the patient will be told how to operate the device, replace depleted batteries, recharge them, and connect to an external power supply. All patients will be required to shave their head, so the transducer arrays can be placed. Patients will wear 4 electronically insulated transducer arrays (sticky pads) on the top of the patient's head (based on the patient's tumor location) for the time the patient is using the device. After this visit, the patient will continue treatment at home where participants can maintain regular daily routine. The patient must use the device for at least 18 hours a day per day on average. Breaks are allowed for personal needs (e.g. showering/bathing, array exchange). Patients will be instructed to replace the Transducer arrays 2-3 times a week with help of a caregiver. Patients will be instructed to use the device for a minimum of 4 weeks from the time of initiation. The NovoTTF-200A device will be inspected, either by the study doctor, research nurse, or by a Novocure representative, on a monthly basis to assess the patient's compliance with treatment. Each course of using the device will consist of continuous NovoTTF-200A use for one month. Multiple courses will be offered as long as the patient's tumor(s) in the brain have not come back. If the patient's tumor(s) do come back, the patient will need to terminate use of NovoTTF-200A. If tumors do not return in the patient's brain, the patient will be able to stay on NovoTTF-200A for up to 1 year. Patients will be asked to visit the study doctor for follow-up care at several monthly intervals (1, 3, 6, 9, an 12 months after completion of stereotactic radiosurgery), or until the tumor(s) in the patient's brain return. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03488472
Study type Interventional
Source University of Alabama at Birmingham
Contact
Status Terminated
Phase N/A
Start date August 9, 2019
Completion date February 15, 2022

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