Integrated insulin delivery system with continuous glucose sensor
Systems and methods for integrating a continuous glucose sensor 12 , including a receiver 14 , a medicament delivery device 16 , a controller module, and optionally a single point glucose monitor 18 are provided. Integration may be manual, semi-automated and/or fully automated.
1. A method for determining insulin therapy for a patient, the method comprising:
receiving, by a user interface of a receiver device that comprises the user interface, a display, and one or more processor modules, input from a user, wherein the input from the user programs a selectable glucose target;
receiving, by the one or more processor modules of the receiver device, at least a first glucose concentration, wherein the first glucose concentration is measured in a bodily fluid of the patient by a continuous glucose sensor;
generating a predicted glucose concentration, wherein the predicted glucose concentration comprises a prediction of a second glucose concentration at a time subsequent to the first glucose concentration, wherein the prediction is generated based at least in part on an algorithm;
deriving, by the one or more processor modules of the receiver device, internal data,
wherein the internal data comprises one or more of:
an insulin sensitivity of the patient,
a change in insulin sensitivity of the patient,
a metabolic response of the patient to insulin therapy,
an amount of insulin delivered to the patient,
a time of insulin delivery to the patient, and/or
an insulin on board of the patient;
calculating, by the one or more processor modules of the receiver device, an insulin therapy instruction by evaluating at least the first glucose concentration, the internal data, and the selectable glucose target,
wherein the insulin therapy instruction is calculated at least in part by evaluating a relationship between the predicted glucose concentration and the selectable glucose target,
wherein a subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor following administration of insulin in accordance with the insulin therapy instruction has a desired relationship to the selectable glucose target,
wherein the desired relationship comprises one or more of:
the subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor is at or within the selectable glucose target, and/or
a euglycemic relationship between the subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor and the selectable glucose target; and
transmitting the insulin therapy instruction for use by an insulin delivery device.
2. The method of claim 1 , wherein the selectable glucose target is a single glucose concentration.
3. The method of claim 1 , wherein the selectable glucose target is a range of glucose concentrations.
4. The method of claim 1 , wherein the selectable glucose target is selected from a predefined list of selectable glucose target options.
5. The method of claim 1 , wherein calculating an insulin therapy instruction is based solely on evaluating the first glucose concentration, the internal data, and the selectable glucose target.
6. The method of claim 1 , wherein the selectable glucose target is programmed for a first specified time period.
7. The method of claim 6 , wherein a second selectable glucose target is programmed for a second specified time period that is different from the first specified time period.
8. The method of claim 6 , wherein calculating an insulin therapy instruction is based on evaluating the first glucose concentration, the internal data, the selectable glucose target, and an additional data, wherein the additional data comprises a current time and/or an external input associated with an activity level of the patient.
9. The method of claim 1 , wherein the selectable glucose target is adaptively re-programmed based on evaluation of the internal data and/or an external input.
10. The method of claim 9 , wherein the internal data comprises data associated with a metabolic response of the patient to insulin therapy.
11. The method of claim 9 , wherein the external input is associated with an activity level of the patient.
12. The method of claim 1 , wherein the first glucose concentration and an indication of the second glucose concentration are displayed by the display of the receiver device.
13. The method of claim 1 , wherein the selectable glucose target is displayed by the display of the receiver device.
14. The method of claim 1 , wherein information associated with the insulin therapy instruction is displayed by the display of the receiver device.
15. The method of claim 1 , wherein the receiver device is integrally formed with the insulin delivery device.
16. The method of claim 15 , wherein the insulin delivery device is an infusion pump.
17. The method of claim 1 , wherein the user is the patient.
18. The method of claim 1 , wherein the user is not the patient.
19. A method for determining insulin therapy for a patient, the method comprising:
receiving, by a user interface of a receiver device that comprises the user interface, a display, and one or more processor modules, input from a user, wherein the input from the user programs a glucose target comprising:
a first glucose target associated with a first time period, and
a second glucose target associated with a second time period,
wherein the second glucose target is different from the first glucose target, and
wherein the second time period is different from the first time period; and
performing a plurality of first steps during a first time window associated with the first time period, and/or performing a plurality of second steps during a second time window associated with the second time period;
wherein performing the plurality of first steps comprises at least:
receiving, by the one or more processor modules of the receiver device, at least a first glucose concentration, wherein the first glucose concentration is measured in a bodily fluid of the patient by a continuous glucose sensor;
generating a first predicted glucose concentration, wherein the first predicted glucose concentration comprises a prediction of a glucose concentration at a time subsequent to the first glucose concentration;
deriving, by the one or more processor modules of the receiver device, internal data;
calculating, by the one or more processor modules of the receiver device, a first insulin therapy instruction by evaluating at least the first glucose concentration, the internal data, and the first glucose target, wherein the first insulin therapy instruction is calculated at least in part by evaluating a relationship between the first predicted glucose concentration and the first glucose target; and
transmitting the first insulin therapy instruction for use by an insulin delivery device; and
wherein performing the plurality of second steps comprises at least:
receiving, by the one or more processor modules of the receiver device, at least a second glucose concentration, wherein the second glucose concentration is measured in a bodily fluid of the patient by the continuous glucose sensor;
generating a second predicted glucose concentration, wherein the second predicted glucose concentration comprises a prediction of a glucose concentration at a time subsequent to the second glucose concentration;
deriving, by the one or more processor modules of the receiver device, internal data;
calculating, by the one or more processor modules of the receiver device, a second insulin therapy instruction by evaluating at least the second glucose concentration, the internal data, and the second glucose target, wherein the second insulin therapy instruction is calculated at least in part by evaluating a relationship between the second predicted glucose concentration and the second glucose target; and
transmitting the second insulin therapy instruction for use by an insulin delivery device.
20. The method of claim 19 , wherein the internal data comprises one or more of:
an insulin sensitivity of the patient,
a change in insulin sensitivity of the patient,
a metabolic response of the patient to insulin therapy,
an amount of insulin delivered to the patient,
a time of insulin delivery to the patient, and/or
an insulin on board of the patient.
21. The method of claim 20 , wherein the internal data comprises two or more of:
an insulin sensitivity of the patient,
a change in insulin sensitivity of the patient,
a metabolic response of the patient to insulin therapy,
an amount of insulin delivered to the patient,
a time of insulin delivery to the patient, and/or
an insulin on board of the patient.
22. The method of claim 20 , wherein:
evaluating a relationship between the first predicted glucose concentration and the first glucose target further comprises evaluating a desired relationship between a subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor following administration of insulin in accordance with the first insulin therapy instruction and the first glucose target,
wherein the desired relationship comprises one or more of:
the subsequent glucose concentration is at or within the first glucose target, and/or
an euglycemic relationship between the subsequent glucose concentration and the first glucose target;
and
evaluating a relationship between the second predicted glucose concentration and the second glucose target further comprises evaluating a desired relationship between a subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor following administration of insulin in accordance with the second insulin therapy instruction and the second glucose target,
wherein the desired relationship comprises one or more of:
the subsequent glucose concentration is at or within the second glucose target, and/or
an euglycemic relationship between the subsequent glucose concentration and the second glucose target.
23. The method of claim 19 , wherein:
evaluating a relationship between the first predicted glucose concentration and the first glucose target further comprises evaluating a desired relationship between a subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor following administration of insulin in accordance with the first insulin therapy instruction and the first glucose target,
wherein the desired relationship comprises one or more of:
the subsequent glucose concentration is within the first glucose target, and/or
an euglycemic relationship between the subsequent glucose concentration and the first glucose target;
and
evaluating a relationship between the second predicted glucose concentration and the second glucose target further comprises evaluating a desired relationship between a subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor following administration of insulin in accordance with the second insulin therapy instruction and the second glucose target,
wherein the desired relationship comprises one or more of:
the subsequent glucose concentration is within the second glucose target, and/or
an euglycemic relationship between the subsequent glucose concentration and the second glucose target.
24. The method of claim 19 , wherein the glucose target is a single glucose concentration.
25. The method of claim 19 , further comprising performing both the plurality of first steps and the plurality of second steps.
26. The method of claim 25 , wherein the first glucose target is a first range, and the second glucose target is a second range, and further wherein the first range is broader than the second range.
27. The method of claim 25 , wherein the first glucose target is a first range, and the second glucose target is a second range, and further wherein a high end of the first range is higher than a high end of the second range.
28. A method for determining insulin therapy for a patient, the method comprising:
receiving, by a user interface of a receiver device that comprises the user interface, a display, and one or more processor modules, input from a user, wherein the input from the user programs a glucose target range comprising:
a first pre-programmable glucose target prior to a first use time, and
a second pre-programmable glucose target prior to a second use time;
receiving, by the one or more processor modules of the receiver device, at least a first glucose concentration, wherein the first glucose concentration is measured in a bodily fluid of the patient, by a continuous glucose sensor at a first measurement time;
generating a predicted glucose concentration, wherein the predicted glucose concentration comprises a prediction for a second glucose concentration that is to be measured at a second measurement time; and
issuing, by the receiver device, an insulin therapy instruction to an insulin delivery device,
wherein the insulin therapy instruction is calculated, by the one or more processor modules of the receiver device, by evaluating the first glucose concentration, at least one of the first measurement time and/or the second measurement time, and at least in part, by evaluating a relationship between the predicted glucose concentration and an elected pre-programmable glucose target,
wherein a subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor following administration of insulin in accordance with the insulin therapy instruction has a desired relationship to the elected pre-programmable glucose target,
wherein the desired relationship comprises one or more of:
the subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor is at or within the elected pre-programmable glucose target, and/or
a euglycemic relationship between the subsequent glucose concentration measured in a bodily fluid of the patient by the continuous glucose sensor and the elected pre-programmable glucose target, and
wherein the elected pre-programmable glucose target is elected based at least in part on derived internal data associated with a use time indicating that the second measurement time is within the first use time or the second use time,
wherein:
if the second measurement time is within the first use time, the first pre-programmable glucose target is elected, and
if the second measurement time is within the second use time, the second pre-programmable glucose target is elected.
29. The method of claim 28 , wherein the use time is a time period.
30. The method of claim 28 , wherein the elected pre-programmable glucose target is a single glucose concentration.