- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04572568
Registry of Multimodality Treatment for Brain Arteriovenous Malformation in Mainland China (MATCH)
This study is a multi-center, prospective, registry study. This research was supported by the National Key Research and Development Program. They were divided into experimental group and control group according to whether the treatment plan was formulated by a multidisciplinary team. Patients of experimental group is strictly in accordance with standardized multi-disciplinary treatment protocols and meet the following criteria: 1. A multi-disciplinary conference discussion; 2. Detailed preoperative evaluation based on CT, MRI, fMRI and DSA. 3. Treatment modalities meet the following treatment criteria(craniotomy, embolization and stereotactic radiosurgery). The control group was patients who had not been treated according to a multi-disciplinary treatment protocol.
Patient baseline data, AVM angioarchitectural features, imaging DICOM data, surgical information, and follow-up information were registered. All patients were evaluated for neurofunction at baseline, 3 months, 12 months, and 3 years after treatment. Main observation endpoints: 1. Modified Rankin Scale; 2. Obliteration rate; 3. Subsequent hemorrhage; 4. Complication rate (such as morbidity rate, new-onset neurological dysfunction, and radiation-related complications). Secondary observation endpoint: improvement of clinical symptoms (epilepsy, headache, neurological dysfunction) at 3 months, 12 months, and 3 years after treatment.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study is a multi-center, prospective registry study led by Beijing Tiantan Hospital, and a number of comprehensive hospitals in mainland China, aiming to uncover the long-term outcomes of AVM in Real-World in China and to discover a standardized diagnosis and treatment process for the comprehensive treatment of brain AVMs. This study is an observational study that will last for 20 years. All patients were enrolled prospectively, and the study will not influence the choice of treatment modalities.
The study cohort of this study was AVM patients aged 1-80 years. The inclusion criteria were as follows: 1. The diagnosis of AVM was confirmed with digital subtraction angiography (DSA) and/or magnetic resonance imaging(MRI); 2.Patients with complete clinical and imaging data; 3. Patient or patient's legal representative agreed to collection of information for this study and signed informed consent. The exclusion criteria were as follows: 1. Received other treatment (surgery, embolization or SRS)before inclusion; 2. Expected survival time is less than 6 months; 3. Spinal AVMs; 4. Patients missing critical baseline and imaging data.
Patients will be divided into two groups: experimental group and control group. Experimental group: Patients who had received a multidisciplinary assessment to develop a treatment plan were included in the experimental group. The details were as follows: Ruptured AVMs: 1. AVMs not involved vital eloquent areas, or more than 5 mm away from functional fiber bundles, microsurgery or hybrid surgery can be performed; 2. Targeted embolization for hemorrhagic predictors could be considered as a monotherapy; embolization can be used as an adjunctive strategy to reduce flow or volume before microsurgery or stereotactic radiosurgery (SRS); 3. SRS for patients with a volume less than 10ml and not in the acute phase(< 3months) of hemorrhage. Volume-stage or dose-stage can be used for giant AVMs involving important eloquent areas; 4.Conservation can be used for AVMs that are prone to severe disability due to intervention. Unruptured AVMs: Interventions are recommended if unruptured AVMs are assessed as being at high rupture risk, or have refractory epilepsy or acceptable postoperative neurological deficits, otherwise conservative treatment is recommended. The choice of intervention strategy was the same as for ruptured AVM. Control group: Patients who had not received a multidisciplinary assessment to develop a treatment plan were included in the control group. It should be noted that the multidisciplinary team for AVM was formed in June 2018, so the prospective AVM cohort from August 2011 to June 2018 and the AVM cohort after June 2018 without comprehensive evaluation of treatment regimens by the multidisciplinary team served as the control group.
An electronic data capture system (EDC) was developed and used for data collection. All the clinical baseline data and imaging data were stored through a cloud server to facilitate the input work at different locations and at different times. Follow-up was conducted at the first 3-6 months and annually after surgery by clinical visit and telephone interview. The evaluation of mRS score was conducted by neurosurgeons who have at least 5 years' experience of clinical practice and all the images were interpreted by at least 2 radiologists independently who are with at least 5 years of clinical experience in radiology center of our institute. Researchers who performed follow-up assessments were blinded to treatment modalities.
The primary outcomes were as follows: modified Rankin Scale, obliteration rate, subsequent hemorrhage, complication rate (such as morbidity rate, new-onset neurological dysfunction, and radiation-related complications) at 3 months, 12 months, and 3 years after treatment. The secondary outcomes were as follows: improvement of clinical symptoms (epilepsy, headache, neurological dysfunction) at 3 months, 12 months, and 3 years after treatment.
Through the final follow-up data, we could compare the short-term outcomes and long-term outcomes between experimental and control group. In addition, intra-group comparisons can be made among subgroups of different intervention strategies to explore the best individualized treatment strategies for different AVM patients.
Treatment criteria for craniotomy: 1. For patients with a history of rupture and bleeding: a. If the lesion is not located in the deep functional area, surgical treatment is recommended; b. If the lesion is multi-system blood supply or high blood flow, the volume is large, and with a deep blood supply, hybrid surgery (embolization + resection) can be performed; c. If the lesion is located in the deep functional area, craniotomy is not recommended. 2. For patients with unruptured hemorrhage: a. If the lesion is not located in the deep brain tissue, and is not located in an important functional area or the fiber bundle is more than 5mm away from the lesion, then surgery or combined surgery can be performed; b. If the lesion is located in the deep brain tissue, important functional areas or fiber bundles are less than 5mm away from the lesion, craniotomy is not recommended; c. If the lesion does not have the above characteristics, surgical resection alone can be performed.
Interventional embolization treatment standards: 1. Ruptured bAVM should be actively treated. If there is no need for craniotomy to clear the hematoma in the acute phase, DSA should be performed 2-6 weeks after hemorrhage, and individualized treatment plans should be developed and actively treated. 2. Unruptured bAVM, if there are bleeding-related risk factors (aneurysm or high-flow fistula), relevant risk factors should be actively treated; When stereotactic radiation is planned, when craniotomy or SRS was planned, preoperative embolization for flow reduction or volume reduction is recommended; 3. Unruptured bAVM, without the above risk factors, conservative treatment was suggested if symptoms could be well controlled.
Stereotactic radiosurgery standard treatment: 1. No history of bleeding: Patients with no indications for craniotomy and with appropriate volume for radiosurgery, and poor symptom controlled. Pre-treatment imaging assessment DSA (required) and enhanced MRI was required to clarify the structure of the malformation; 2. There is a history of bleeding: the period between bleeding time and the time of consultation is less than 3 months, it is recommended to wait head-enhanced MRI and DSA were performed after the hemorrhage was absorbed (3 months) to confirm the vascular architecture. 3.Volume-stage or dose-stage can be used for giant AVMs involving important eloquent areas.
Conservation standard treatment: 1. Ruptured AVMs: Patients prone to severe disability due to intervention; 2. Unruptured AVMs: Patients were assessed as having a low rupture risk, or without refractory epilepsy or with a high risk of postoperative neurological deficits.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Chen Yu, MD
- Phone Number: +8618801239327
- Email: chenyu_tiantan@126.com
Study Contact Backup
- Name: Chen Xiaolin, MD
- Phone Number: +8613810624845
- Email: xiaolinchen488@hotmail.com
Study Locations
-
-
Beijing
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Beijing, Beijing, China, 101100
- Recruiting
- Capital Medical University Affiliated Beijing Tiantan Hospital
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Contact:
- Chen Yu, MD
- Phone Number: +8618801239327
- Email: chenyu_tiantan@126.com
-
Contact:
- Jin Hengwei, MD
- Phone Number: +8615001189679
- Email: jinhengwei1987@163.com
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Principal Investigator:
- Meng Xiangyu, MD
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Principal Investigator:
- Chen Yu, MD
-
Principal Investigator:
- Li Ruinan, MD
-
Principal Investigator:
- Han Heze, MD
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Principal Investigator:
- Li Zhipeng, MD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- The diagnosis of AVM was confirmed with digital subtraction angiography (DSA) and/or magnetic resonance imaging(MRI).
- Patients with complete clinical and imaging data.
- Patient or patient's legal representative agreed to collection of information for this study and signed informed consent.
Exclusion Criteria:
- Received other treatment (surgery, embolization or SRS)before inclusion;
- Expected survival time is less than 6 months;
- Spinal AVMs;
- Patients missing critical baseline and imaging data.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
experimental group
Ruptured AVMs:
Unruptured AVMs: Interventions are recommended if unruptured AVMs are assessed as being at high rupture risk, or have refractory epilepsy or acceptable postoperative neurological deficits, otherwise conservative treatment is recommended. The choice of intervention strategy was the same as for ruptured AVM. |
|
control group
Patients who had not received a multidisciplinary assessment to develop a treatment plan were included in the control group.
It should be noted that the multidisciplinary team for AVM was formed in June 2018, so the prospective AVM cohort from August 2011 to June 2018 and the AVM cohort after June 2018 without comprehensive evaluation of treatment regimens by the multidisciplinary team served as the control group.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
modified Rankin Scale
Time Frame: 3 months, 1 year, and 3 years after treatment
|
The scale runs from 0-6, running from perfect health without symptoms to death.
0 - No symptoms.
1 - No significant disability.
Able to carry out all usual activities, despite some symptoms.
2 - Slight disability.
Able to look after own affairs without assistance, but unable to carry out all previous activities.
3 - Moderate disability.
Requires some help, but able to walk unassisted.
4 - Moderately severe disability.
Unable to attend to own bodily needs without assistance, and unable to walk unassisted.
5 - Severe disability.
Requires constant nursing care and attention, bedridden, incontinent.
6 - Dead.
|
3 months, 1 year, and 3 years after treatment
|
obliteration rate
Time Frame: 3 months, 1 year, and 3 years after treatment
|
Complete obliteration of the nidus was confirmed by DSA or MRA, then compare the obliteration rate between each group.
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3 months, 1 year, and 3 years after treatment
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subsequent hemorrhage
Time Frame: 3 months, 1 year, and 3 years after treatment
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Intracranial hemorrhage that could be attributed to AVMs, and can be confirmed by CT and other imaging.
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3 months, 1 year, and 3 years after treatment
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complication rate
Time Frame: 3 months, 1 year, and 3 years after treatment
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such as morbidity rate, new-onset neurological dysfunction, and radiation-related complications
|
3 months, 1 year, and 3 years after treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Improvement of epilepsy
Time Frame: 3 months, 1 year, and 3 years after treatment
|
Improvement of epilepsy at 3 months, 1 year, and 3 years after treatment The prognosis of epilepsy was assessed by Engle classification: Grade I, the seizures disappear completely or only with aura; Grade II, the seizures are very few (≤3 times/year); Grade III, the seizures are >3 times/year, but the seizures are reduced by ≥75%; Grade IV, the seizures are reduced <75 %.
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3 months, 1 year, and 3 years after treatment
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Improvement of headache
Time Frame: 3 months, 1 year, and 3 years after treatment
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Improvement of headache at 3 months, 1 year, and 3 years after treatment Headache was assessed by the WHO pain grading classification:Grade 0: No pain; Grade I: mild pain, intermittent pain, no medication; Grade II: moderate pain, continuous pain, affecting rest, need analgesics; level III: severe pain, continuous pain, need analgesics relieve pain; Grade IV: severe pain, continuous severe pain with changes in blood pressure and pulse.
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3 months, 1 year, and 3 years after treatment
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Improvement of neurological dysfunction
Time Frame: 3 months, 1 year, and 3 years after treatment
|
The modified Rankin score was used to evaluate neurological dysfunction: Grade 0, completely asymptomatic; Grade 1, able to complete all daily duties and activities despite symptoms, but without obvious dysfunction; Grade 2, mildly disabled, unable to complete all activities before illness, but does not need help, can take care of themself; Grade 3, moderately disabled, requires some help, but does not need help while walking; Grade 4, severely disabled, unable to walk independently, unable to meet their own needs without help from others; Grade 5, severely disabled, bedridden, incontinence, requiring continuous care And attention; Grade 6, death.
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3 months, 1 year, and 3 years after treatment
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Wang Shuo, MD, Beijing Tiantan Hospital
- Principal Investigator: Li Youxiang, MD, Beijing Neurosurgical Institute
- Principal Investigator: Liu Ali, MD, Beijing Neurosurgical Institute
- Principal Investigator: Zhao Yuanli, MD, Beijing Neurosurgical Institute
- Principal Investigator: Chen Xiaolin, MD, Beijing Neurosurgical Institute
Publications and helpful links
General Publications
- Chen Y, Li R, Ma L, Meng X, Yan D, Wang H, Ye X, Jin H, Li Y, Gao D, Sun S, Liu A, Wang S, Chen X, Zhao Y. Long-term outcomes of brainstem arteriovenous malformations after different management modalities: a single-centre experience. Stroke Vasc Neurol. 2021 Mar;6(1):65-73. doi: 10.1136/svn-2020-000407. Epub 2020 Sep 14.
- Chen Y, Li R, Ma L, Zhao Y, Yu T, Wang H, Ye X, Wang R, Chen X, Zhao Y. Single-Stage Combined Embolization and Resection for Spetzler-Martin Grade III/IV/V Arteriovenous Malformations: A Single-Center Experience and Literature Review. Front Neurol. 2020 Oct 29;11:570198. doi: 10.3389/fneur.2020.570198. eCollection 2020.
- Meng X, Gao D, He H, Sun S, Liu A, Jin H, Li Y. A Machine Learning Model Predicts the Outcome of SRS for Residual Arteriovenous Malformations after Partial Embolization: A Real-World Clinical Obstacle. World Neurosurg. 2022 Jul;163:e73-e82. doi: 10.1016/j.wneu.2022.03.007. Epub 2022 Mar 9.
- Meng X, Gao D, Jin H, Wang K, Bao E, Liu A, Li Y, Sun S. Factors Affecting Volume Reduction Velocity for Arteriovenous Malformations After Treatment With Dose-Stage Stereotactic Radiosurgery. Front Oncol. 2021 Dec 20;11:769533. doi: 10.3389/fonc.2021.769533. eCollection 2021.
- Li Z, Chen Y, Chen P, Li R, Ma L, Yan D, Zhang H, Han H, Zhao Y, Zhang Y, Meng X, Jin H, Li Y, Chen X, Zhao Y. Quantitative evaluation of hemodynamics after partial embolization of brain arteriovenous malformations. J Neurointerv Surg. 2022 Nov;14(11):1112-1117. doi: 10.1136/neurintsurg-2021-018187. Epub 2021 Dec 6.
- Yan D, Chen Y, Li Z, Zhang H, Li R, Yuan K, Han H, Meng X, Jin H, Gao D, Li Y, Sun S, Liu A, Chen X, Zhao Y. Stereotactic Radiosurgery With vs. Without Prior Embolization for Brain Arteriovenous Malformations: A Propensity Score Matching Analysis. Front Neurol. 2021 Oct 12;12:752164. doi: 10.3389/fneur.2021.752164. eCollection 2021.
- Meng X, He H, Liu P, Gao D, Chen Y, Sun S, Liu A, Li Y, Jin H. Radiosurgery-Based AVM Scale Is Proposed for Combined Embolization and Gamma Knife Surgery for Brain Arteriovenous Malformations. Front Neurol. 2021 Mar 30;12:647167. doi: 10.3389/fneur.2021.647167. eCollection 2021.
- Chen Y, Meng X, Ma L, Zhao Y, Gu Y, Jin H, Gao D, Li Y, Sun S, Liu A, Zhao Y, Chen X, Wang S. Contemporary management of brain arteriovenous malformations in mainland China: a web-based nationwide questionnaire survey. Chin Neurosurg J. 2020 Sep 1;6:26. doi: 10.1186/s41016-020-00206-0. eCollection 2020.
- Chen Y, Yan D, Li Z, Ma L, Zhao Y, Wang H, Ye X, Meng X, Jin H, Li Y, Gao D, Sun S, Liu A, Wang S, Chen X, Zhao Y. Long-Term Outcomes of Elderly Brain Arteriovenous Malformations After Different Management Modalities: A Multicenter Retrospective Study. Front Aging Neurosci. 2021 Feb 18;13:609588. doi: 10.3389/fnagi.2021.609588. eCollection 2021.
- Deng Z, Chen Y, Ma L, Li R, Wang S, Zhang D, Zhao Y, Zhao J. Long-term outcomes and prognostic predictors of 111 pediatric hemorrhagic cerebral arteriovenous malformations after microsurgical resection: a single-center experience. Neurosurg Rev. 2021 Apr;44(2):915-923. doi: 10.1007/s10143-019-01210-4. Epub 2020 Feb 20.
- Chen Y, Han H, Ma L, Li R, Li Z, Yan D, Zhang H, Yuan K, Wang K, Zhao Y, Zhang Y, Jin W, Li R, Lin F, Meng X, Hao Q, Wang H, Ye X, Kang S, Jin H, Li Y, Gao D, Sun S, Liu A, Wang S, Chen X, Zhao Y. Multimodality treatment for brain arteriovenous malformation in Mainland China: design, rationale, and baseline patient characteristics of a nationwide multicenter prospective registry. Chin Neurosurg J. 2022 Oct 17;8(1):33. doi: 10.1186/s41016-022-00296-y.
- Li N, Yan D, Li Z, Chen Y, Ma L, Li R, Han H, Meng X, Jin H, Zhao Y, Chen X, Wang H, Zhao Y. Long-term outcomes of Spetzler-Martin grade IV and V arteriovenous malformations: a single-center experience. Neurosurg Focus. 2022 Jul;53(1):E12. doi: 10.3171/2022.4.FOCUS21648.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- KY 2020-003-01
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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