Methods and devices for desmopressin drug delivery
First Claim
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1. A method of modulating urine production in a patient in need of such modulation comprising:
- (a) administering desmopressin, to or across the skin of the patient, at a first flux rate sufficient to establish a desmopressin concentration in the blood within the range of about 0.5 to 2 pg/ml and insufficient to establish a desmopressin concentration in the blood greater than about 2 pg/ml, thereby reducing urine production in the patient;
(b) continuing to administer desmopressin at a second, lower flux rate sufficient to maintain the desmopressin concentration in the blood within the range for a period of time; and
(c) terminating administration of the desmopressin, thereby restoring urine production within about two hours of termination.
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Abstract
Disclosed are devices for urine voiding postponement, and methods for treating conditions such as central diabetes insipidus, enuresis, nocturia, urinary frequency or incontinence. The devices deliver a desmopressin flux through the skin of a patient in a low dose amount just necessary to achieve a desired anti-diuretic effect without undesirable side effects such as hyponatremia. The devices are designed to permit a state of normal urinary production to return quickly after the desmopressin flux is terminated.
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Citations
18 Claims
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1. A method of modulating urine production in a patient in need of such modulation comprising:
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(a) administering desmopressin, to or across the skin of the patient, at a first flux rate sufficient to establish a desmopressin concentration in the blood within the range of about 0.5 to 2 pg/ml and insufficient to establish a desmopressin concentration in the blood greater than about 2 pg/ml, thereby reducing urine production in the patient; (b) continuing to administer desmopressin at a second, lower flux rate sufficient to maintain the desmopressin concentration in the blood within the range for a period of time; and (c) terminating administration of the desmopressin, thereby restoring urine production within about two hours of termination. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of modulating urine production in a patient in need of such modulation comprising:
administering a sustained-release desmopressin composition to or across the skin of the patient, wherein the desmopressin is released at an initial flux rate sufficient to establish a desmopressin concentration in the blood within the range of about 0.5 to 2 pg/ml and thereafter at a lower flux rate to maintain the blood concentration within said range for a period of time and insufficient to establish a desmopressin concentration in the blood greater than about 2 pg/ml, thereby reducing urine production in the patient, and wherein the flux rate further decreases, after the period of time, to a level insufficient to maintain the desmopressin concentration in the blood, thereby restoring urine production within about two hours. - View Dependent Claims (13, 14, 15, 16, 17, 18)
Specification