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NotablePrimary and study completion dates: Dec 2014 to Dec 2015v17
MinorStudy sites: 1 to 2v16
MinorStudy sites: 2 to 1Primary completion date: Jul 2014 to Dec 2014 · Completion date: Aug 2014 to Dec 2014v15Show 2 more changesShow less
Primary completion date: Jul 2014 to Dec 2014
Completion date: Aug 2014 to Dec 2014
MinorSite contacts updated at 1 of 2 sitesv14
NotablePrimary endpoint revisedInterventions: ExAblate 4000 (Device) to ExAblate transcranial system (Device) · Eligibility criteria shortened, about 250 words · Study description shortened, about 9 wordsv13Show 3 more changesShow less
Interventions: ExAblate 4000 (Device) to ExAblate transcranial system (Device)
NotableTrial status: Not Yet Recruiting to RecruitingInterventions: ExAblate 3000 (Device) to ExAblate 4000 (Device) · Site details revised · Study arms: 0 to 1v10Show 3 more changesShow less
Interventions: ExAblate 3000 (Device) to ExAblate 4000 (Device)
Site details revised
Study arms: 0 to 1
NotablePrimary completion date: Jul 2013 to Jul 2014Completion date: Aug 2013 to Aug 2014 · Study site revisedv9Show 2 more changesShow less
NotableStart date: Aug 2006 to Aug 2012Trial status: Recruiting to Not Yet Recruitingv8Show 1 more changeShow less
Trial status: Recruiting to Not Yet Recruiting
NotableTrial status: Active, Not Recruiting to RecruitingPrimary completion date: Jul 2009 to Jul 2013 · Completion date: Aug 2009 to Aug 2013 · Site details revisedv7Show 3 more changesShow less
Primary completion date: Jul 2009 to Jul 2013
Completion date: Aug 2009 to Aug 2013
Site details revised
MinorRe-verified, no change to tracked fieldsv6
MinorTrial status: Recruiting to Active, Not RecruitingPrimary completion date: Jul 2009 · Completion date: Aug 2009 · Site details revisedv5Show 3 more changesShow less
Primary completion date: Jul 2009
Completion date: Aug 2009
Site details revised
NotableTrial status: Not Yet Recruiting to RecruitingSite details revisedv4Show 1 more changeShow less
Site details revised
NotableStart date: May 2006 to Aug 2006v3
MinorTrial status: Recruiting to Not Yet RecruitingStart date: May 2006 · Site details revised · Study title shortened, about 1 wordv2Show 3 more changesShow less
Stopped: an ongoing trial was terminated, suspended or withdrawn.
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The purpose of this study is to evaluate the safety of MRI-guided focused ultrasound thermal ablation of brain tumors performed through intact human skull using the ExAblate transcranial system. We will collect data to establish the basic safety of this type of treatment as the basis for later studies that will evaluate its clinical efficacy.