Treatments and Outcomes of Untreated Cerebral Cavernous Malformations in CHina.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

2000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-01-01

Study Completion Date

2023-03-31

Brief Summary

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This nationwide multicenter prospective cohort study will collect the treatment information and outcomes of the patients with previously untreated cavernous malformations (U-CMs) in China (at least 2000 patients from 20 centers). The investigators aim to determine the effect of different treatments on long-term outcomes in patients with untreated cerebral cavernous malformations.

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Detailed Description

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Despite the availability of microsurgical excision and stereotactic radiosurgery for cavernoma treatment and known genetic causes of most familial forms of cavernoma, uncertainties remain about cause, diagnosis, prognosis, treatment, and care. According to the recently published CM treatment guideline, surgical and conservative treatments are both first-line therapeutic options in previously untreated CMs (U-CMs). However, given current data, neurosurgeons are still unable to counsel patients on which would be the best option. To address the absence of high level evidence to support cerebral CM treatment decisions, there is a need for a large sample size study of cerebral CM treatment with a prospective concurrent group. China has the largest population in the world and may have the most extensive and valuable clinical resources of U-CMs. But, till now, the current treatment and outcome situation of the disease in China is not well known. Thus, the investigators are conducting a nationwide multicenter prospective registry study in China to determine the effect of different treatments on long-term outcomes in patients with untreated cerebral cavernous malformations.At least 2000 patients with untreated cerebral cavernous malformation will be enrolled from 20 Grade Ⅲ A level hospitals distributed all over China. Clinical data and laboratory data are prospectively collected by electric case report form (CRF) and uploaded online by each neurosurgery center to form the prospective clinical database in First Affiliated Hospital of Fujian Medical University. This is a cohort follow-up study across a 5-year period with a 2 years interval of enrollment and 3 years follow up for each patient.

Conditions

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Cerebral Cavernous Malformations

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Surgically treated group

Surgical removal of intracerebral CMs by craniotomy with or without following stereotactic radiosurgery.

Surgery

Intervention Type PROCEDURE

For patient in surgically treated group, surgical removal of intracerebral CMs by craniotomy is performed according to the principles as follows: less transgression of normal brain tissue; identification and protection of eloquent brain tissue; sparing associated developmental venous anomaly; hemosiderin rim resection for non-eloquent and superficial CMs and sparing yellowish tissue for eloquent and deep ones; Extended resections (mesial resection, standard temporal lobe resection) are recommend for epileptogenic CMs based on intra-operative EEG.

Conservatively treated group

Observation with the best medicine administration and supportive treatment are performed.

Observation

Intervention Type PROCEDURE

Observation is performed in conservatively treated patients with best medicine and supportive treatment, such as antiepileptic drugs, analgesic drugs and neurotrophic drugs. For patients with underlying diseases such as hypertension, hyperlipidemia or diabetes mellitus, after consulting with the relevant experts, the patients can be treated accordingly.

Interventions

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Surgery

For patient in surgically treated group, surgical removal of intracerebral CMs by craniotomy is performed according to the principles as follows: less transgression of normal brain tissue; identification and protection of eloquent brain tissue; sparing associated developmental venous anomaly; hemosiderin rim resection for non-eloquent and superficial CMs and sparing yellowish tissue for eloquent and deep ones; Extended resections (mesial resection, standard temporal lobe resection) are recommend for epileptogenic CMs based on intra-operative EEG.

Intervention Type PROCEDURE

Observation

Observation is performed in conservatively treated patients with best medicine and supportive treatment, such as antiepileptic drugs, analgesic drugs and neurotrophic drugs. For patients with underlying diseases such as hypertension, hyperlipidemia or diabetes mellitus, after consulting with the relevant experts, the patients can be treated accordingly.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Definite diagnosis of cerebral CM on the basis of brain MRI or pathologic examination;
* Patients without any surgical intervention (microsurgery, radiosurgery, or multimodality treatment) before enrolment;
* Informed consent, and willing to accept long-term follow-up.

Exclusion Criteria

* Patients receiving emergency surgery due to acute intracranial hematoma and resultant brain hernia;
* Patients with other never system diseases, such as aneurysms, tumors or other vascular malformations except venous development anomaly;
* Patients with severe underlying disease, which affects the patient's functional status and life expectancy;
* Patients with severe mental or psychologic disease.

Eligible Sex

ALL

Accepts Healthy Volunteers

No