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WO2024030499A1 - Système de diagnostic moléculaire in vitro - Google Patents

Système de diagnostic moléculaire in vitro Download PDF

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Publication number
WO2024030499A1
WO2024030499A1 PCT/US2023/029331 US2023029331W WO2024030499A1 WO 2024030499 A1 WO2024030499 A1 WO 2024030499A1 US 2023029331 W US2023029331 W US 2023029331W WO 2024030499 A1 WO2024030499 A1 WO 2024030499A1
Authority
WO
WIPO (PCT)
Prior art keywords
test kit
diagnostic
information
kit
nfc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2023/029331
Other languages
English (en)
Inventor
Trevor Craig
Matthew Greenleaf
Abraham Oommen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Materials And Machines Corp Of America
Original Assignee
Materials And Machines Corp Of America
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Materials And Machines Corp Of America filed Critical Materials And Machines Corp Of America
Publication of WO2024030499A1 publication Critical patent/WO2024030499A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G16H10/40—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for data related to laboratory analysis, e.g. patient specimen analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • G01N35/00732—Identification of carriers, materials or components in automatic analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • G01N35/00732—Identification of carriers, materials or components in automatic analysers
    • G01N2035/00742—Type of codes
    • G01N2035/00782—Type of codes reprogrammmable code
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00722—Communications; Identification
    • G01N35/00732—Identification of carriers, materials or components in automatic analysers
    • G01N2035/00821—Identification of carriers, materials or components in automatic analysers nature of coded information
    • G01N2035/00851—Identification of carriers, materials or components in automatic analysers nature of coded information process control parameters

Definitions

  • NFC Near-field communication
  • RFID radio frequency identification
  • This technology works within a limited distance, typically 4.0 inches or less. Because of this, it is considered as a relatively secure communication tool. Therefore, industries like banking, finance, and healthcare use this technology in various ways. For example, many smart phones and credit cards use this technology. From tapping a credit card at a gas station to purchasing clothes in a dress store, NFC technology may play a role (see, Karpischek, S., Michahelles, F., Resatsch, F , & Fleisch, E. (2009).
  • Mobile sales assistant An NFC-based product information system for retailers.
  • NFC tags are passive devices (i.e. NFC tags do not have a power source).
  • NFC tags can be embedded in labels, packaging, logo, and the like with the appropriate information depending on the application. As passive devices, NFC tags draw power from the NFC reader device. When the NFC reader device is positioned close to a tag, the NFC reader device energizes the NFC tag by magnetic induction.
  • NFC tags Type 1 to Type 5
  • the difference in the types refer to various levels of storage capacity, read/write speeds and data transfer capabilities.
  • the use of NFC communications in biomedical applications is increasing as described in Dr. Shyman Thangaraju (2013), Near Field Communication in Medical Devices, White Paper HCL Technologies, (April 2013).
  • a system for in vitro molecular diagnostic of an analyte including a test kit, the test kit comprising a near field communication (NFC) tag, wherein the NFC tag includes kit information, the kit information including a diagnostic protocol information configured for analyzing the analyte with a diagnostic device; a container configured for receiving testing components; and the testing components, configured for preparation of a biological sample to analyze the presence or absence of the analyte via in vitro molecular diagnostic using the diagnostic device; the diagnostic device for analyzing the analyte using the diagnostic protocol instructions, wherein the diagnostic device has an embedded NFC reader.
  • NFC near field communication
  • test kit further includes instructions for collection of the biological sample.
  • testing components include a biological sample collection swab for collection of the biological sample; a sample collection tube for receiving the biological sample collection swab, the sample collection tube includes a buffer analyzing the biological sample; one or more tubes for receiving the biological sample, where the one or more tubes includes reagents configured for conducting the molecular diagnostic.
  • the embedded NFC tag of the container further includes test kit information, the test kit information comprising a name of the test kit, a test kit id, a date of test kit manufacture, a test kit serial number, and a result reporting format.
  • kit information further comprises a test kit batch number, and a test kit expiry date.
  • the diagnostic device is athermal cycler for polymerase chain reaction (PCR) molecular diagnostic.
  • PCR polymerase chain reaction
  • the diagnostic protocol information is cycling conditions for PCR molecular diagnostic.
  • a method of use of a system for in vitro molecular diagnostic of an analyte tire method including activating a diagnostic device of the system, where the activation comprises bringing a near field communication (NFC) tag of a test kit within proximity of a NFC reader of the diagnostic device, wherein the NFC reader receives a molecular diagnostic protocol information from the NFC tag; initiating a molecular diagnostic protocol of the received molecular diagnostic protocol information on a collected biological sample prepared in accordance with instructions of the test kit; reporting an analysis of the molecular diagnostic protocol to determine the presence or absence of the analyte.
  • NFC near field communication
  • the diagnostic device is athermal cycler for polymerase chain reaction (PCR) molecular diagnostic.
  • PCR polymerase chain reaction
  • the molecular diagnostic protocol information comprises cycling conditions for PCR molecular diagnostic.
  • the system of paragraph [0013], wherein in activating the NFC reader further receives kit information from the NFC tag, the kit information comprising a name of the test kit, a test kit id, a date of test kit manufacture, a test kit serial number, and a result reporting format.
  • kit information further comprises a test kit batch number, and a test kit expiry date.
  • Fig. 1 represents a system for in vitro molecular diagnostic of an analyte.
  • Fig. 2 represents a NFC tag of the test kit.
  • Fig. 3 represents a schematic of the operating system for the diagnostic device.
  • Fig. 4 represents a method of using the system for in vitro molecular diagnostic of an analyte.
  • a system for in vitro molecular diagnostic of an analyte includes a test kit and a diagnostic device.
  • the system provides automatic conveyance of kit information to the diagnostic device, including diagnostic protocols, simultaneous with the conveyance of other information regarding the test (i.e. information about the test kit (test kit information) that may include the name of the test kit, the test kit id number, date of manufacture of the test kit, batch number of the test kit, and / or serial number of the test kit).
  • the system can sequentially run different molecular diagnostics without programming the diagnostic device between diagnostics because of the information received by the diagnostic device from the test kit.
  • a COVID-19 molecular diagnostic may be run on the diagnostic device according to the method described herein, and immediately thereafter an influenza A molecular diagnostic may be run on the diagnostic device according to the method described herein.
  • This system allows these different molecular diagnostics to be run without connection to the internet and a remote server.
  • biological samples may be a nasal swab, nasopharyngeal swab, buccal swab, throat swab, or urogenital or anal swab that are collected using a cotton tipped swab or flocked nylon swab.
  • the collected biological sample may be a biological sample in a viral transport media (VTM) or universal transport media (UTM) to prevent degradation of the nucleic acids when detection will not occur simultaneous to collection.
  • VTM viral transport media
  • UDM universal transport media
  • the collected biological sample may be blood collected on a glass rod.
  • analyte means a nucleic acid, such as DNA or RNA, for detection to determine the presence or absence of the nucleic acid, which may be used to diagnose a condition of interest, such as a viral or bacterial infection, cancer, or a genetic mutation.
  • a condition of interest such as a viral or bacterial infection, cancer, or a genetic mutation.
  • Fig. 1 represents the system 100 for in vitro molecular diagnostic of an analyte, where the system includes a test kit 400 and a diagnostic device 200.
  • the test kit of the system includes the components required to obtain a biological sample for an analyte of interest.
  • the test kit may be for obtaining a biological sample to detect the presence or absence of deoxyribose nucleic acid (DNA) or ribonucleic acid (RNA) of COVID-19.
  • the test kit includes a container 402, an NFC tag 403, test components 404, and instructions 405.
  • the test kit of the system may include a label 401.
  • the container 402 of the system is configured for containing the test components 404 and instructions 405 and for having the NFC tag 403 and label 401 attached to it.
  • the NFC tag 403 of the system is a passive tag and is encoded with the kit information.
  • the kit information includes the diagnostic protocol for the diagnostic device to detect the presence or absence of the analyte from the collected biological sample.
  • the kit information may further include information on the test kit, such as the name of the sample collection kit, the kit id number, date of manufacture of the kit, batch number of the kit, and / or serial number of the kit.
  • the NFC tag 403 is attached to the container 402, such as on the front of the container 402.
  • the NFC tag 403 is attached to the container underneath the label 401 (as shown in Fig. 1), such that the NFC tag 403 is not visible to users of the kit.
  • the NFC tag is thin enough (0.2 to 0.8 mm range) and therefore fits under the label 401.
  • the NFC tag 403 can be attached to any of the test components 404 if the size of the test components 404 permits such attachment.
  • the test components 404 of the test kit are configured for obtaining a biological sample that may be directly used in the diagnostic device.
  • the test components 404 may include a swab for collection of the biological sample from the nose or mouth, a sample collection tube containing buffers configured for carrying out the molecular diagnostic in a volume from 0.5 to 2.0 milliliters (mL), reagents for carrying out the molecular diagnostic analysis for the analyte, and one or more tubes configured for carrying out the molecular diagnostic (e.g. polymerase chain reaction (PCR) tubes), where preferably the reagents are in the one or more tubes.
  • the test components 404 are outside the container 402 (e g. the test components are ready to use), however, the test components 404 reside in the container for storage prior to and after use.
  • the test components 404 include the following: reagents specific for PCR, where the reagents are lyophilized.
  • the lyophilized reagents are found in two colored standard 0.2 mL PCR tubes configured for use with the diagnostic device.
  • the first tube is a first color and contains all the PCR reagents necessary to amplify a region of the human Cox-1 gene. This can be considered as the internal positive control of the reaction. If the sample presented to the tube is a human sample, say from a nasal swab, this reaction has to work for the test to be considered functional (i.e. PCR was successfully run on the biological sample).
  • the second tube of a second color has all the PCR reagents necessary to amplify a region of the RdRp gene of the Coronavirus, if present in the sample introduced to the tube.
  • the probe designed to detect Cox-1 is labeled with the Cy5 dye.
  • the probe designed to detect the RdRp gene in the second tube is labeled with the 6- FAM dye.
  • probes are conventional probes and described as TaqMan probes for wide use, such as those use for (detection of specific polymerase chain reaction product by utilizing the 5'— —3' exonuclease activity of Thermus aquaticus DNA polymerase (see, P M Holland, R D Abramson, R Watson, and D H Gelfand in Proc Natl Acad Sci U S A. 88(16): 7276-7280 (1991).
  • test kit 400 for detection of CO VID-19 will also have a sample collection tube in the test components 404.
  • This sample collection tube will have have a swab provided that can be used to collect nasal samples following the instructions provided to the user.
  • the label 404 of the test kit 400 is configured to cover the NFC tag 403, such as a printed paper label or the like.
  • the label 404 may contain writing that includes the name of the test kit.
  • the instructions 405 of the test kit 400 include instructions for collecting the biological sample for analysis of the analyte that is the subject of the test kit 400 and for operating the diagnostic device 200 to conduct the molecular diagnostic analysis for the presence or absence of the analyte. As shown in Fig. 4, the instructions 405 are outside the container 402 (e.g. the test components are ready to use), however, the instructions 405 reside in the container for storage prior to and after use.
  • the diagnostic device 200 of the system 100 is configured for conducting molecular diagnostics on the biological sample collected via the test kit 400.
  • the diagnostic device includes an NFC reader 205.
  • the diagnostic device may be the device of the LIMITED WELL THERMAL CYCLING DEVICE PCT/US21/64256, where the device further includes the NFC reader 205.
  • the NFC reader 205 is a conventional NFC reader that can read any corresponding NFC tag, where the operational software of the diagnostic device is programmed to respond to the NFC reader 205 commands.
  • the NFC reader 205 is connected to the controlling board of the diagnostic device 200 as shown in Fig. 3.
  • the NFC reader 205 creates a 13.56 MHz RF field with an antenna 204.
  • the antenna 204 is attached the diagnostic device.
  • Fig. 2 represents the NFC tag 403.
  • the NFC tag 403 is a conventional NFC tag.
  • the NFC tag 403 may be 1.5 inches in length and 0.75 inches wide and is 0.2 mm thick.
  • the NFC tag 403 includes an integrated circuit (chip and antenna) 101 that is encoded with the kit information, including the diagnostic protocol information and may be encoded with the test kit information.
  • the back side of the tag is typically covered with a removable paper 102, which when removed will expose an adhesive allowing the tag to be attached to a suitable location.
  • the following protocol may be used to encode the NFC tag 403 with the data needed for the operating system of the diagnostic device to conduct in vitro molecular diagnostic of an analyte the following protocol may be used.
  • the diagnostic device is conventionally programmed with the diagnostic protocol information using a user interface. Once the molecular diagnostic protocol information and kit information is programmed, the NFC tag is energized with the NFC reader (in writer mode) and the memory blocks are then written to the NFC tag 403 to program the NFC tag 403 with the particular molecular diagnostic protocol and kit information. This is a conventional procedure, but where the specific diagnostic protocol information is recognized only by the diagnostic device having the corresponding operating system configured for reading and executing the information from the NFC tag 403.
  • the type of NFC tag used has 2528 bits of memory with NXP ICODE SLIX2 IC and supports the ISO 15693 and ISO 18000-3 Mode 1 protocols.
  • the tag form factor is a wet inlay on printable PET (Polyethylene Terephthalate) with permanent pressure sensitive adhesive for the attachment of the NFC tag 403 to the container 402, for example.
  • Fig. 3 represents a schematic of the operating system 350 for the diagnostic device 200.
  • the operating system of the diagnostic device includes the NFC antenna 204, such as a conventional ferrite backed NFC antenna, a printed circuit board (PCB) 300, a resistive heating element 310, and a power supply 312, where the operating system 350 is configured to operate the diagnostic device based on the diagnostic protocol and kit information from the NFC tag.
  • the NFC antenna 204 such as a conventional ferrite backed NFC antenna
  • PCB printed circuit board
  • resistive heating element 310 such as a resistive heating element
  • a power supply 312 where the operating system 350 is configured to operate the diagnostic device based on the diagnostic protocol and kit information from the NFC tag.
  • the PCB 300 includes an NFC reader 205, such as a 13.56 Mega Hertz (MHz) RFID reader, an oscillator 302, such as a 27.12 MHz oscillator, a crystal 304, such as a 25.00 MHz crystal, a microcontroller 306 (where the microcontroller has a central processing unit and storage medium (such as electrically erasable programmable read-only memory (EEPROM)), such as an ARM 32-bit microcontroller, and an analog to digital converter (ADC) 308, such as an 8 channel 16 bit ADC.
  • the power supply 312 is a shielded power supply that converts alternating current to direct current from wall power 120 or 240 volt alternating current (represented by 314).
  • Fig. 4 represents a method of detecting the presence or absence of an analyte using the system 100.
  • a diagnostic device is activated.
  • the activation includes bringing the NFC tag 403 of the test kit 400 into proximity of the NFC reader 205 of the diagnostic device 200.
  • the NFC reader 205 reads the NFC tag 403 and the diagnostic device 200 activates, which may be indicated by a beeping of the diagnostic device 200 and flashing of a light on the diagnostic device.
  • the activation further includes the NFC reader 205 reading the kit information, including the diagnostic protocol information and the test kit information from the NFC tag 403.
  • the molecular diagnostic protocol is initiated on a collected and prepared biological sample.
  • the molecular diagnostic protocol is initiated, such as through pressing a "start" button on the diagnostic device 200.
  • the biological sample may be collected and prepared according to the procedure of SAMPLE EXTRACTION TUBE FOR METHOD FOR DETECTION OF RNA OR DNA U.S. Application No. 63/354,162.
  • the diagnostic device 200 is initiated, the molecular diagnostic protocol begins.
  • the molecular diagnostic protocol begins.
  • the molecular diagnostic protocol includes the following procedures of this paragraph.
  • the sample is heated for 3 minutes at 95 degrees Celsius (°C) in a sample well (represented by 203 in Fig. 1) after which the diagnostic device cools the heating block and beeps and flashes the light on the front of the diagnostic device 200.
  • the diagnostic device 200 will stop beeping, change the light color to white and the button color to green.
  • the user takes the next steps in sample preparation of providing aliquots of the heated sample to the two PCR tubes.
  • the START button of the diagnostic device is selected. Once the START button is selected, the color of the light changes and becomes violet, the block inside is heated to 42°C for 10 minutes followed by 95°C for 5 minutes.
  • reporting the analysis include the diagnostic device 200 indicating the presence or absence of the analyte of interest based on the data collected from the molecular diagnostic reaction and in accordance with kit information received from the NFC tag 403.
  • the operating system of the diagnostic device 200 compares the data from the control and the test reactions (wells represented by 201 and 202 in Figure 1) and determines an outcome according to the information received from the NFC tag 403. If the test well and the control well had signal above background, the operating system is programmed to turn the light to red and flash the light until the user presses the START button once. This means the sample tested was positive for the analyte (COVID-19). If the test well did not have signal above background and the control well had signal above background, then the operating system is programmed to turn the light to green and flash the light until the user presses the START button once.
  • the reporting may further include providing the analysis to a spreadsheet like format which can be obtained by the user connecting the diagnostic device 200 through a USB connection to a standard computer.

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  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medical Informatics (AREA)
  • Primary Health Care (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

L'invention concerne un système de diagnostic moléculaire in vitro d'un analyte. Le système comprend un kit de test et un dispositif de diagnostic. Le système assure un transfert automatique d'informations de kit au dispositif de diagnostic, y compris des protocoles de diagnostic, simultanément au transfert d'autres informations concernant le test. Le système peut exécuter séquentiellement différents diagnostics moléculaires sans programmer le dispositif de diagnostic entre des diagnostics en raison des informations reçues par le dispositif de diagnostic en provenance du kit de test. Ce système permet d'exécuter ces différents diagnostics moléculaires sans connexion à Internet et à un serveur distant.
PCT/US2023/029331 2022-08-03 2023-08-02 Système de diagnostic moléculaire in vitro Ceased WO2024030499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263394785P 2022-08-03 2022-08-03
US63/394,785 2022-08-03

Publications (1)

Publication Number Publication Date
WO2024030499A1 true WO2024030499A1 (fr) 2024-02-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060246598A1 (en) * 2005-04-30 2006-11-02 Jielin Dai Devices and methods for sample collection and analysis
US20160204833A1 (en) * 2015-01-13 2016-07-14 Dell Products L.P. Buffer-to-buffer credit utilization using cables with length data included therewith
US20180135102A1 (en) * 2011-04-15 2018-05-17 Becton, Dickinson And Company Scanning real-time microfluidic thermocycler and methods for synchronized thermocycling and scanning optical detection
US20210069718A1 (en) * 2014-03-10 2021-03-11 Visby Medical, Inc. Cartridge-based thermocycler
US20210263018A1 (en) * 2018-07-20 2021-08-26 Experiment X Ltd. Lateral flow test strip immunoassay in vitro diagnostic device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060246598A1 (en) * 2005-04-30 2006-11-02 Jielin Dai Devices and methods for sample collection and analysis
US20180135102A1 (en) * 2011-04-15 2018-05-17 Becton, Dickinson And Company Scanning real-time microfluidic thermocycler and methods for synchronized thermocycling and scanning optical detection
US20210069718A1 (en) * 2014-03-10 2021-03-11 Visby Medical, Inc. Cartridge-based thermocycler
US20160204833A1 (en) * 2015-01-13 2016-07-14 Dell Products L.P. Buffer-to-buffer credit utilization using cables with length data included therewith
US20210263018A1 (en) * 2018-07-20 2021-08-26 Experiment X Ltd. Lateral flow test strip immunoassay in vitro diagnostic device

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