- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01166321
Carbon Ion Radiotherapy for Atypical Meningiomas (MARCIE)
Treatment of Patients With Atypical Meningiomas Simpson Grade 4 and 5 With a Carbon Ion Boost in Combination With Postoperative Photon Radiotherapy: A Phase II Trial
Treatment standard for patients with atypical or anaplastic meningioma is neurosurgical resection. With this approach, local control ranges between 50 and 70%, depending on resection status. A series or smaller studies has shown that postoperative radiotherapy in this patient population can increase progression-free survival, which translates into increased overall survival. However, meningiomas are known to be radioresistant tumors, and radiation doses of 60 Gy or higher have been shown to be necessary for tumor control.
Carbon ions offer physical and biological characteristics. Due to their inverted dose profile and the high local dose deposition within the Bragg peak precise dose application and sparing of normal tissue is possible. Moreover, in comparison to photons, carbon ions offer an increased relative biological effectiveness (RBE), which can be calculated between 2 and 5 depending on the cell line as well as the endpoint analyzed.
First data obtained within the Phase I/II trial performed at GSI in Darmstadt on carbon ion radiotherapy for patients with high-risk meningiomas has shown safety, and treatment results are promising.
Therefore, in the current Phase II-MARCIE-Study a carbon ion boost will be applied to the macroscopic tumor (gross tumor volume, GTV) in conjunction with photon radiotherapy to the clinical target volume (CTV) in patients with atypical meningiomas after incomplete resection or biopsy.
Primary endpoint is progression-free survival rate, secondary endpoints are overall survival, safety and toxicity.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
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Heidelberg, Germany, 69120
- University Hopsital Heidelberg
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- histologically confirmed atypical meningioma
- macroscopic tumor after biopsy or subtotal resection
- Simpson Grade 4 or 5
- prior photon radiotherapy to the clinical target volume (CTV) of 48-52 Gy
- beginning of study treatment no later than 12 weeks after surgery
- age ≥ 18 years of age
- Karnofsky Performance Score ≥ 60
- For women with childbearing potential, adequate contraception
- Ability of subject to understand character and individual consequences of the clinical trial
- Written informed consent (must be available before enrolment in the trial)
Exclusion Criteria:
- refusal of the patients to take part in the study
- previous radiotherapy of the brain
- optic nerve sheath meningioma (ONSM)
- time interval of > 12 weeks after primary diagnosis (neurosurgical intervention) and beginning of study treatment
- Patients who have not yet recovered from acute toxicities of prior therapies
- Known carcinoma < 5 years ago (excluding Carcinoma in situ of the cervix, basal cell carcinoma, squamous cell carcinoma of the skin) requiring immediate treatment interfering with study therapy
- Pregnant or lactating women
- Participation in another clinical study or observation period of competing trials, respectively
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Carbon Ion Radiotherapy Boost
Carbon Ion Boost to the Macroscopic Tumor visible on contrast-enhanced MR-Imaging
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Carbon Ion Boost 18 Gy E in single Fractions of 3 Gy E
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Progression-free survival
Time Frame: Progression-free survival at 3 years
|
Progression-free survival at 3 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Overall Survival
Time Frame: Overall Survival at 3 years
|
Overall Survival at 3 years
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- MARCIE
- 2009-016683-36 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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