The present disclosure provides for compositions for the treatment of neurodegenerative diseases comprising one or more isolated phosphate complexes of platinum and methods of uses thereof for treating neurodegenerative diseases including amyotrophic lateral sclerosis, Alzheimer's disease, stroke, epilepsy, Parkinsons, Huntington's disease and diabetes associated peripheral neuropathy The present disclosure is also directed towards an anti-angiogenic composition useful for inhibiting angiogenesis related to age-related macular degeneration, diabetic retinopathy and tumor-associated angiogenesis. An embodiment of the present disclosure is also directed towards a method for modulating the expression of Pigment Epithelial Derived Factor (PEDF) gene in an individual in need thereof. The present disclosure also provides for a method of reducing neurotoxicity associated with the administration of a cancer therapy in a subject in need thereof comprising administering to the individual in need thereof a therapeutically effective amount of at least one or more isolated monomeric phosphate complexes of platinum described herein.