Methods and compositions for treating conditions of the central and peripheral nervous systems using non-synaptic mechanisms
First Claim
1. A method for treating a condition of the central nervous system in a mammalian subject in need thereof comprising delivering an effective amount of a treatment composition comprising a Na+K+Cl−
- cotransporter antagonist to the subject'"'"'s central nervous system, wherein the condition is selected from the group consisting of seizures, seizure disorders, epilepsy and status epilepticus, and wherein the treatment composition has higher activity as a glial cell ion-dependent cotransporter antagonist than as a neuronal cell ion-dependent cotransporter antagonist.
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Abstract
The present invention relates to methods and compositions for treating selected conditions of the central and peripheral nervous systems employing non-synaptic mechanisms. More specifically, one aspect of the present invention relates to methods and materials for treating seizure and seizure disorders, epilepsy, status epilepticus, migraine, spreading depression, intracranial hypertension; for treating the pathophysiological effects of head trauma, stroke, ischemia and hypoxia; for treating or protecting from the pathophysiological effects of neurotoxic agents such as ethanol; and for treating neurophsyciatric disorders and central nervous system edema by administering agents that modulate ionic concentrations and/or ionic gradients in the brain, particularly ion-dependent or cation-chloride cotransporter antagonists. Ion-dependent cotransport antagonists and combinations of such compositions with other agents for treating various conditions are disclosed. The present invention also relates to methods and compositions for treating pain by administering ion-dependent cotransporter antagonists. Methods and compositions for enhancing cortical function, for example, in centers of cognition, learning and memory, by administering ion-dependent cotransporter agonists are disclosed. Methods and systems for screening drug candidate compounds for desired activities using in vitro and in vivo systems are disclosed.
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Citations
6 Claims
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1. A method for treating a condition of the central nervous system in a mammalian subject in need thereof comprising delivering an effective amount of a treatment composition comprising a Na+K+Cl−
- cotransporter antagonist to the subject'"'"'s central nervous system, wherein the condition is selected from the group consisting of seizures, seizure disorders, epilepsy and status epilepticus, and wherein the treatment composition has higher activity as a glial cell ion-dependent cotransporter antagonist than as a neuronal cell ion-dependent cotransporter antagonist.
- View Dependent Claims (5)
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2. A method for treating a condition of the central nervous system selected from the group consisting of seizures, seizure disorders, epilepsy and status epilepticus in a mammalian subject in need thereof, consisting essentially of delivering an effective amount of a loop diuretic to the central nervous system, wherein the loop diuretic has higher activity in a central nervous system cell population than in a renal cell population.
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3. A method for treating a condition of the central nervous system selected from the group consisting of seizures, seizure disorders, epilepsy and status epilepticus in a mammalian subject in need thereof, consisting essentially of delivering an effective amount of a Na+K+Cl−
- antagonist to the central nervous system.
- 4. A method for treating a condition of the central nervous system in a mammalian subject in need thereof comprising delivering an effective amount of a treatment composition comprising a loop diuretic to the subject'"'"'s central nervous system, wherein the condition is selected from the group consisting of seizures, seizure disorders, epilepsy and stanza epilepticus, and wherein the treatment composition has higher activity as a glial cell iondependent cotransporter antagonist than as a neuronal cell ion-dependent cotransporter antagonist.
Specification