Ketostix® and Keto-Diastix® Performance Study
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ClinicalTrials.gov Identifier: NCT06053593 |
Recruitment Status :
Enrolling by invitation
First Posted : September 25, 2023
Last Update Posted : September 25, 2023
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Condition or disease | Intervention/treatment | Phase |
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Urinalysis | Device: Testing of self collected urine Device: Labeling Evaluation Device: Urine Control testing | Not Applicable |
Persons with Diabetes (PWDs), at minimum of (n=120) will successfully collect their urine and test with two Ascensia strip products.
- Demonstrate that untrained PWDs can successfully read the Instructions for Use and use Ketostix and Keto-Diastix reagent strips for Urinalysis with no training. Urine samples from the PWDs will be collected and then tested by the PWD and will be compared to the reference assay results.
- Demonstrate Ease of Use by PWDs with a Labeling Evaluation Survey for Ketostix and Keto-Diastix reagent strips. Participants will respond to a survey using a 5 point Likert scale with 5= Strongly Agree, 4= Agree, 3=Neutral, 2=Disagree, 3=Strongly Disagree.
- Demonstrate that persons with diabetes (PWDs) can successfully test urinalysis control solutions.
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 120 participants |
Allocation: | Non-Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Supportive Care |
Official Title: | Ketostix® and Keto-Diastix® Performance Study |
Actual Study Start Date : | July 24, 2023 |
Estimated Primary Completion Date : | October 2023 |
Estimated Study Completion Date : | October 2023 |

Arm | Intervention/treatment |
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Experimental: Testing of Ketostix by Persons with Diabetes.
Each PWD will test Ketostix in their self-collected urine, complete a labeling evaluation, and test four urine control solutions.
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Device: Testing of self collected urine
Each PWD will test their self-collected urine. Device: Labeling Evaluation Each PWD will complete a labeling evaluation. Device: Urine Control testing Each PWD will test four urine control solutions. |
Experimental: Testing of Keto-Diastix by Persons with Diabetes.
Each PWD will test Keto-Diastix in their self-collected urine, complete a labeling evaluation, and test four urine control solutions.
|
Device: Testing of self collected urine
Each PWD will test their self-collected urine. Device: Labeling Evaluation Each PWD will complete a labeling evaluation. Device: Urine Control testing Each PWD will test four urine control solutions. |
- Testing of self collected urine [ Time Frame: Day 1 ]Number of Participants with results from self collected urine that are within one color block of reference analyzer
- Labeling evaluation [ Time Frame: Day 1 ]Number of Participants with Reponses that are a 3,4, or 5 on a 5 point Likert Scale.
- Testing of Urine controls [ Time Frame: Day 1 ]Number of Participants with Reponses that read within one color block.

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Males and females over 18 years of age.
- Diagnosed with Diabetes Mellitus (Type 1 or Type 2)
- Able to speak, read and understand English (subjects must demonstrate ability to read a paragraph from the first page of the package insert to qualify for the study).
- Willing to complete all study procedures.
Exclusion Criteria:
- Physical, visual, or neurological impairments that would make the person unable to perform urine collection and testing with the urine strips as determined by the PI.
- Intake of Vitamin C supplements (multi-vitamins are permitted)
- Prior experience testing glucose or ketones in urine with Ketostix and Keto-Diastix Reagent strips.
- Currently taking compounds such as mesna (Mesnex)
- Currently taking any medications containing azo dyes (e.g., Pyridium, Ganstrisin, Gantanol), nitrofurantinin (Macrodantin, Furadantin).
- Currently taking medications such as levodopa.
- Working for a medical laboratory, hospital or other clinical setting that involves training in the urinalysis lab or use of urinalysis test strips.
- Working for a competitive medical device company (Urine Strip manufacturer) or having an immediate family member or living with someone who works for such a company.
- A condition, which in the opinion of the investigator or designee, would put the person or study conduct at risk (reason for exclusion will be clearly documented by investigator or designee on the study form).

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT06053593
United States, Maryland | |
University of Maryland | |
Baltimore, Maryland, United States, 21201 |
Principal Investigator: | Robert H Christenson, PhD | University of Maryland |
Responsible Party: | Ascensia Diabetes Care |
ClinicalTrials.gov Identifier: | NCT06053593 |
Other Study ID Numbers: |
GCA-PRO-2022-002-01 |
First Posted: | September 25, 2023 Key Record Dates |
Last Update Posted: | September 25, 2023 |
Last Verified: | September 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | Yes |
Product Manufactured in and Exported from the U.S.: | Yes |