DEVICES AND METHODS FOR PHARMACOKINETIC-BASED CELL CULTURE SYSTEM

• US 20080064088A1
• Filed: 09/08/2006
• Published: 03/13/2008
• Est. Priority Date: 09/08/2006
• Status: Abandoned Application

• Current Assignee: Cornell Research Foundation Incorporated (Cornell University)
• Original Assignee: Cornell Research Foundation Incorporated (Cornell University)
• Inventors: Harrison, Andrew, Shuler, Michael, Meyers, Scott, Baxter, Gregory T., Sin, Aaron
• Application Number:
  US11/530,363
• Publication Number:
  US 20080064088A1
• Time in Patent Office: Days
• US Class Current: 435/293.1
• CPC Class Codes: C12M 21/08 for producing artificial tissue or for ex-vivo cultivation of tissue prostheses A61F2/00, grafts A61L27/00
• CPC Class Codes: C12M 23/16 Microfluidic devices; Capillary tubes integrated microfluidic structures B01L3/5027; microreactors B01J19/0093
• CPC Class Codes: C12M 23/44 Multiple separable units; Modules

Abstract

Devices, in vitro cell cultures, systems, and methods are provided for microscale cell culture analogous (CCA) device.

Claims

1. A pharmacokinetic-based microscale culture device, comprising:

a first microscale chamber dimensioned to maintain biological material in a three-dimensional configuration under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter obtained in vivo, wherein the first microscale chamber comprises a first inlet and a first outlet for flow of fluid;

a second microscale chamber dimensioned to maintain biological material in a three-dimensional configuration under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter obtained in vivo, wherein the second microscale chamber comprises a second inlet and a second outlet for flow of fluid; and

a microfluidic channel interconnecting the first and second microscale chambers wherein the microfluidic channel is dimensioned to transport fluid.

2. A device comprising at least one microscale feature dimensioned to maintain biological material in a three-dimensional configuration under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter value found in vivo.

3. The device of claim 2 wherein the microscale feature provides for three-dimensional growth of biological material.

4. The device of claim 2 wherein the microscale feature comprises at least one of the group consisting of a chamber, a channel, a tube, a well, a scaffold, an inlet, an outlet, a valve, a membrane, a diaphragm, or a compartment.

5. The device of claim 2 wherein the microscale feature is formed in, contained in, or inserted, assembled, made, or constituted into the device.

6. The device of claim 2 further comprising at least one microfluidic channel connected to the microscale feature.

7. The device of claim 2 wherein the flow of fluid through, or in proximity to, the microscale feature provides the at least one pharmacokinetic parameter value.

8. The device of claim 7 wherein the characteristics of the fluid flow are based on a mathematical model.

9. The device of claim 2 wherein the geometry of the microscale feature, the device, or any part of the device is based on a mathematical model or wherein the geometry of interconnection of one or more microscale features or the device in whole or in part is based on a mathematical model.

10. The device of claim 8 wherein the mathematical model is a physiologically-based pharmacokinetic (“

PBPK”

) model.

11. The device of claim 2 further comprising at least a second microscale feature dimensioned to maintain at least a second three-dimensional configuration of biological material under conditions that provide a value of at least a second pharmacokinetic parameter in vitro comparable to a value of at least a second pharmacokinetic parameter obtained in vivo.

12. The device of claim 2 wherein the biological material comprises at least one of the group consisting of healthy tissue, diseased tissue, a portion of a tissue biopsy, a portion of tissue, a portion of an artery, a portion of a vein, a portion of a gastrointestinal tract, a portion of an esophagus, a portion of a colon, a portion of an organ, a portion of a heart, a portion of a brain, a portion of a kidney, a portion of a lung, a portion of a muscle, a cell culture, an eukaryotic cell, a plant cell, an animal cell, a mammalian cell, a prokaryotic cell, a primary cell, a tumor cell, a stem cell, a genetically altered cell, a transformed cell, and an immortalized cell.

13. The device of claim 2 wherein the microscale feature contains a three-dimensional configuration of circulating, immobilized, or adherent biological material.

14. The device of claim 2 further comprising an array of devices wherein the devices operate separately from and in parallel with one another.

15. The device of claim 2 further comprising a fluidically coupled series of devices wherein a fluidic outlet from a first device is connected directly or indirectly to at least one fluidic inlet to one or more second devices.

16. The device of claim 15 wherein the fluidically coupled series of devices further comprises fluidic outlets from the one or more second devices to at least one fluidic inlet of one or more additional devices.

17. The device of claim 2 wherein the at least one pharmacokinetic parameter comprises at least one of the group consisting of tissue size ratio, tissue to blood volume ratio, drug residence time, measurement of interactions between cells, liquid residence time, liquid to cell ratios, metabolism by cells, shear stress, flow rate, geometry, the number of cells in the culture device, circulatory transit time, and liquid distribution.

18. A method of culturing biological material comprising:

maintaining a three-dimensional configuration of biological material within a first microscale chamber under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter obtained in vivo, wherein the first microscale chamber comprises a first inlet and a first outlet for flow of fluid;

maintaining a three-dimensional configuration of biological material within a second microscale chamber under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter obtained in vivo, wherein the second microscale chamber comprises a second inlet and a second outlet for flow of fluid; and

interconnecting the first and second microscale chambers with a microfluidic channel wherein the microfluidic channel is dimensioned to transport fluid.

19. A method comprising maintaining a three-dimensional configuration of biological material in at least one microscale feature under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter found in vivo.

20. The method of claim 19 further comprising growing the three-dimensional configuration of biological material in the microscale feature.

21. The method of claim 19 further comprising flowing a fluid through, or in proximity to the microscale feature.

22. The method of claim 21 wherein the flow of fluid through, or in proximity to, the microscale feature provides the at least one pharmacokinetic parameter value.

23. The method of claim 19 further comprising maintaining with a second microscale feature at least a second three-dimensional configuration of biological material under conditions that provide a value of a second pharmacokinetic parameter in vitro comparable to a value of a second pharmacokinetic parameter obtained in vivo.

24. The method of claim 19 further comprising an array of devices wherein one or more of the devices comprise at least one microscale feature and wherein the devices operate separately from and in parallel with one another.

25. The method of claim 19 further comprising fluidically connecting a series of devices wherein one or more of the devices comprise at least one microscale feature and wherein a fluidic outlet from a first device is connected directly or indirectly to at least one fluidic inlet to one or more second devices.

26. The method of claim 25 wherein the fluidically connected series of devices further comprises connecting directly or indirectly fluidic outlets from the one or more second devices to at least one fluidic inlet of one or more additional devices.

27. The method of claim 19 wherein the at least one pharmacokinetic parameter comprises at least one of the group consisting of tissue size ratio, tissue to blood volume ratio, drug residence time, measurement of interactions between cells, liquid residence time, liquid to cell ratios, metabolism by cells, shear stress, flow rate, geometry, the number of cells in the culture device, circulatory transit time, and liquid distribution.

28. A method comprising forming a microscale feature that is dimensioned to maintain biological material in a three-dimensional configuration under conditions that provide a value of at least one pharmacokinetic parameter in vitro that is comparable to a value of at least one pharmacokinetic parameter found in vivo.

29. The method of claim 28 wherein the microscale feature provides for three-dimensional growth of biological material.

30. The method of claim 28 wherein the microscale feature comprises at least one of the group consisting of a chamber, a channel, a tube, a well, a scaffold, an inlet, an outlet, a valve, a membrane, a diaphragm, or a compartment.

31. The method of claim 28 wherein the microscale feature further comprises at least one microfluidic channel connected to the microscale feature.

32. The method of claim 28 further comprising forming the microscale feature such that when fluid flows through, or in proximity to, the microscale feature, the fluid flow provides the at least one pharmacokinetic parameter value.

33. The method of claim 32 wherein the characteristics of the fluid flow are based on a mathematical model.

34. The method of claim 28 further comprising forming, inserting, containing, assembling, making, or constituting the microscale feature within a device.

35. The method of claim 34 wherein the geometry of the microscale feature or the device in whole or in part is based on a mathematical model or wherein the geometry of interconnection of one or more microscale features or the device in whole or in part is based on a mathematical model.

36. The method of claim 33 wherein the mathematical model is a physiologically-based pharmacokinetic (“

PBPK”

) model.

37. The method of claim 28 further comprising forming at least one second microscale feature dimensioned to contain at least a second three-dimensional configuration of biological material under conditions that provide a value of a second pharmacokinetic parameter in vitro comparable to a value of a second pharmacokinetic parameter obtained in vivo.

38. The method of claim 28 further comprising forming an array of devices wherein one or more of the devices comprise at least one microscale feature and wherein the devices operate separately from and in parallel with one another.

39. The method of claim 28 further comprising fluidically connecting a series of devices wherein one or more of the devices comprise at least one microscale feature such that a fluidic outlet from a first device is connected directly or indirectly to at least one fluidic inlet to one or more second devices.

40. The method of claim 39 wherein connecting the series of devices further comprises connecting fluidic outlets from the one or more second devices to at least one fluidic inlet of one or more additional devices.

41. The method of claim 28 wherein the at least one pharmacokinetic parameter is selected from at least one of the group consisting of tissue size ratio, tissue to blood volume ratio, drug residence time, measurement of interactions between cells, liquid residence time, liquid to cell ratios, metabolism by cells, shear stress, flow rate, geometry, the number of cells in the culture device, circulatory transit time, and liquid distribution.

42. A device comprising:

a microscale chamber comprising a chamber geometry and a biological material and a geometry simulating parts of a living body, wherein the microscale chamber is configured to maintain the biological material in a three dimensional configuration and substantially mimic at least one measurable condition in vivo.