Method of administration of insulin
DCFirst Claim
1. A method of administering insulin to a human patient, comprising:
- determining a drug release point based on real time values of both a patient'"'"'s inspiratory flow rate and inspiratory volume;
releasing an aerosolized formulation of insulin into the patient'"'"'s inspiratory flow path when the inspiratory flow rate is in the range of from about 0.10 to 2.0 liters/second and the patient'"'"'s inspiratory volume is in the range of from about 0.15 to about 0.80 liters.
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Abstract
A method for treating a patient suffering from diabetes mellitus by delivering aerosolized insulin to the patient and a programmed, portable, hand-held device used in such treatment methodology is disclosed. Two basic types of drug delivery devices are disclosed for use in connection with the present invention. In accordance with the first type of device the insulin is contained within a low boiling point propellant which is held within a canister under pressure. In accordance with the second type of device the insulin is present within a container in solution and the solution is moved through a porous membrane to create an aerosolized formulation which is inhaled by the patient. In accordance with both devices a measured amount of insulin containing formulation is automatically released into the inspiratory flow path of a patient in response to information obtained from determining the inspiratory flow rate and inspiratory volume of a patient. The determination of values and release of drugs are carried out in real time. Reproducibly dosing of insulin to the patient is obtained by repeatedly providing for automatic release of insulin formulation at the same inspiratory flow rate and inspiratory volume. To maximize the efficiency of the delivery of the insulin formulation the formulation is released at an inspiratory flow rate in the range of from about 0.1 to about 2.0 liters/second and a measured inspiratory volume in the range of about 0.1 to about 0.8 liters.
200 Citations
20 Claims
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1. A method of administering insulin to a human patient, comprising:
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determining a drug release point based on real time values of both a patient'"'"'s inspiratory flow rate and inspiratory volume; releasing an aerosolized formulation of insulin into the patient'"'"'s inspiratory flow path when the inspiratory flow rate is in the range of from about 0.10 to 2.0 liters/second and the patient'"'"'s inspiratory volume is in the range of from about 0.15 to about 0.80 liters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of treating diabetes mellitus, comprising:
repeatedly administering to a patient a predetermined amount of aerosolized insulin formulation wherein the aerosolized insulin formulation is administered at substantially the same inspiratory flow rate and inspiratory volume so as to repeatedly administer substantially the same amount of insulin formulation to patient at each administration. - View Dependent Claims (18, 19)
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20. A disposable insulin formulation package, comprising:
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a first container having therein dry insulin the container comprising at least one wall which is collapsible by the application of a force causing a pressure of about 20 psi to 100 psi and further comprising a porous membrane with pores having a diameter of about 0.25 micron to about 6 microns; and a second container having a flowable liquid therein connected to and in fluid connection with the first container, the fluid connection being interrupted by a membrane which is ruptured by the application of pressure of about 50 psi or less.
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Specification