StatPearls notes that high-dose oral B has been shown effective for maintenance, but recommendations are to always use the parenteral route in severe neurological manifestations
1997 May-Oct;91(3-5):173-8
Abbreviations CMAP: Compound motor action potential CNS: Central nervous system ECM: Cone-extracellular matrix egr-1 gene : Early growth response-1 gene EMG: Electromyography FAK: Focal adhesion kinase GLP: Good laboratory practice HNE: 4-Hydroxynonenal HPLC: High-pressure liquid chromatography JAK-2: Janus kinase 2 LD1: Lethal dose 1 LTB4: Leukotriene B4 MPO: Myeloperoxidase MPTP: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine MUP: Motor unit potential naB2: Nerve growth factor 1-A binding protein-2 NSAIDs: Non-steroid anti-inflammatory drugs SCI: Spinal cord injury TXB2: Thromboxane B2 References Seiwerth S, Rucman R, Turkovic B, Sever M, Klicek R, Radic B, et al
Journal of Physics D: Applied Physics 46 , 435401, (2013)
Primate models of movement disorders of basal ganglia origin