Clinical Studies and Case Reports

On this site you will find clinical studies with cannabis or single cannabinoids in different diseases and case reports on the use of cannabis by patients.
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TitleSpontaneous regression of septum pellucidum/forniceal pilocytic astrocytomas-possible role of Cannabis inhalation.
Author(s)Foroughi M, Hendson G, Sargent MA, Steinbok P.
Journal, Volume, IssueChilds Nerv Syst. 2011 Apr;27(4):671-9.
Major outcome(s)Spontaneous regression of benign brain tumour may have been associated with cannabis use.
IndicationCancerAbstract
MedicationCannabis

INTRODUCTION: Spontaneous regression of pilocytic astrocytoma after incomplete resection is well recognized, especially for cerebellar and optic pathway tumors, and tumors associated with Neurofibromatosis type-1 (NF1). The purpose of this report is to document spontaneous regression of pilocytic astrocytomas of the septum pellucidum and to discuss the possible role of cannabis in promoting regression. CASE REPORT: We report two children with septum pellucidum/forniceal pilocytic astrocytoma (PA) tumors in the absence of NF-1, who underwent craniotomy and subtotal excision, leaving behind a small residual in each case. During Magnetic Resonance Imaging (MRI) surveillance in the first three years, one case was dormant and the other showed slight increase in size, followed by clear regression of both residual tumors over the following 3-year period. Neither patient received any conventional adjuvant treatment. The tumors regressed over the same period of time that cannabis was consumed via inhalation, raising the possibility that the cannabis played a role in the tumor regression. CONCLUSION: We advise caution against instituting adjuvant therapy or further aggressive surgery for small residual PAs, especially in eloquent locations, even if there appears to be slight progression, since regression may occur later. Further research may be appropriate to elucidate the increasingly recognized effect of cannabis/cannabinoids on gliomas.

Route(s)Inhalation
Dose(s)
Duration (days)
Participants2 patients with pilocytic astrocytoma
DesignUncontrolled case report
Type of publicationMedical journal
Address of author(s)Division of Pediatric Neurosurgery, Department of Surgery, BC Children's Hospital, 4480 Oak Street, Vancouver, BC, Canada, V6H 3V4.
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