Sporadic Acoustic Neuromas clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT02055859 Active, not recruiting - Useful Hearing Clinical Trials

Cyberknife Radiosurgery for Patients With Neurinomas

ACOUNEU

Start date: March 15, 2011
Phase: N/A
Study type: Interventional

Most vestibular schwannomas are benign and slow-growing. Based on that fact, conservative management with serial imaging is a viable alternative. For patients who undergo treatment because of tumor growth, progressive symptoms, or personal preference, options include serial observation, microsurgical resection, fractionated stereotactic radiotherapy, and stereotactic single-session radiosurgery. Despite improved radiosurgical techniques and lower marginal doses, a recent report has shown a somewhat disappointing 10-year actuarial hearing preservation rate of 44.5%, with hearing loss developing as much as 6 years after. Fractionation of the prescribed dose may takes some advantages from radiobiologic principles to reduce toxicity and maintain tumor control. Staged frame-based radiotherapy using a 12-hour interfraction interval was successfully used at Stanford university and has shown a hearing preservation rate of 77% at 2 years of follow-up. The aim of the present protocol is to evaluate the hearing preservation, the local control and toxicity after single-session (sSRS) or multi-session (3 fractions) radiosurgery (mSRS) by using the frameless robotic CyberKnife® system (Accuray Incorporated, Sunnyvale, CA, USA). In order to investigate about this a randomised controlled double harm (sSRS vs mSRS) trial was designed.