Blood sample collection
07 Aug 2025
CapillaryClinic
- Collector
- Participant
- Device type
- TAP Micro Select
- Analytes
- 7
Overview
Key participant information
Participant code
COMFORT-012
Enrollment date
31 Jul 2025
Clinical site
Karolinska Hospital
Enrollment place
Hospital
Enrolled part
A
Status
Completed
Study Population Cohort
Cardiovascular disease
QUESTIONNAIRE
Complete
Study Visits
Details of participatnt visits in Part A and/or Part B
| Date | Part | Type of visit | Place | Status | Comments |
|---|---|---|---|---|---|
| 31 Jul 2025 | A | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 07 Aug 2025 | A | 1st Visit | Hospital | Completed | Baseline visit completed. Sample collection performed at clinical site. |
| 28 Aug 2025 | A | 2nd Visit | Hospital | Completed | Ad-hoc follow-up visit. |
| 18 Sep 2025 | A | 3rd Visit | Health Primary Care | Completed | Ad-hoc follow-up visit. |
Collections
Blood microsampling and venipuncture collections with associated analyte results
A
Blood sample collection
28 Aug 2025
CapillaryHome
- Collector
- Phlebotomist
- Device type
- Tasso+
- Analytes
- 4
Blood sample collection
18 Sep 2025
CapillaryClinic
- Collector
- Phlebotomist
- Device type
- Capitainer B
- Analytes
- 5
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 07 Aug 2025 | Capillary | Clinic | Participant | TAP Micro Select | A | 7 | Open |
Blood sample collection Details 28 Aug 2025 | Capillary | Home | Phlebotomist | Tasso+ | A | 4 | Open |
Blood sample collection Details 18 Sep 2025 | Capillary | Clinic | Phlebotomist | Capitainer B | A | 5 | Open |
Adverse Events
Reported adverse events during the study
No adverse events reported
This participant has no adverse events recorded during the study.
Medical profile
Past medical history and conditions
Coming soon
Past medical history, conditions, medications and allergies will appear here once the ETL feed is connected.
Usability Questionnaire
Participant responses — surveyed on 2025-08-31
| SECTION | Q # | Question | Answer | Comments / Free-text |
|---|---|---|---|---|
| A. Previous Experience with Microsampling | A1 | Had you heard about blood microsampling before this study? | Yes | — |
| A. Previous Experience with Microsampling | A2 | Name of the microsampling device previously known | — | — |
| A. Previous Experience with Microsampling | A3 | Number of previous uses | 1-2 | — |
| A. Previous Experience with Microsampling | A4 | Ease of previous use | Not answered | — |
| A. Previous Experience with Microsampling | A5 | Previous difficulties experienced | Difficulty applying, Other | — |
| B. Study Information and Visit Experience | B1 | Study information was easy to understand | Agree | — |
| B. Study Information and Visit Experience | B2 | I felt comfortable asking questions about the study | Strongly agree | — |
| B. Study Information and Visit Experience | B3 | Satisfaction with study visit organisation | Satisfied | — |
| B. Study Information and Visit Experience | B4 | Convenience of visit scheduling | Dissatisfied | — |
| B. Study Information and Visit Experience | B5 | Study staff treated me respectfully | Disagree | — |
| B. Study Information and Visit Experience | B6 | I felt comfortable asking questions during the visit | Disagree | — |
| B. Study Information and Visit Experience | B7 | Satisfaction with answers received | Satisfied | — |
| B. Study Information and Visit Experience | B8 | Visit duration was acceptable | Strongly agree | — |
| B. Study Information and Visit Experience | B9 | Impact on daily life was acceptable | Agree | — |
| B. Study Information and Visit Experience | B10 | I felt comfortable providing feedback on sampling preferences | Neutral | — |
| C. Conventional Sampling vs Microsampling Experience | C1 | Pain rating for conventional venous blood sampling (0-10) | 7 | — |
| C. Conventional Sampling vs Microsampling Experience | C2 | Pain rating for microsampling device collection (0-10) | 5 | — |
| C. Conventional Sampling vs Microsampling Experience | C3 | Preferred blood collection method if given a choice | Conventional blood sampling | — |
| C. Conventional Sampling vs Microsampling Experience | C4 | Why did you choose this preferred method? | Microsampling caused noticeably less discomfort and was faster to perform. | — |
| D. Microsampling Device Experience | D1 | The device seemed easy to use | Strongly agree | — |
| D. Microsampling Device Experience | D2 | The device caused little or no pain | Disagree | — |
| D. Microsampling Device Experience | D3 | I could use the device at home | Disagree | — |
| D. Microsampling Device Experience | D4 | Confidence that microsampling could replace conventional blood sampling | Strongly disagree | — |
| D. Microsampling Device Experience | D5 | Problems experienced with the device | None, Device error | — |
| E. Home / Self-Collection Experience | E1 | Did you take part in Part A (home self-collection)? | Yes | — |
| E. Home / Self-Collection Experience | E2 | Satisfaction with microsampling equipment and materials | Dissatisfied | — |
| E. Home / Self-Collection Experience | E3 | Helpfulness of training materials | Very unhelpful | — |
| E. Home / Self-Collection Experience | E4 | Confidence using microsampling for self-collection | Not answered | — |
| E. Home / Self-Collection Experience | E5 | Self-collection instructions were clear | Strongly agree | — |
| E. Home / Self-Collection Experience | E6 | I was able to complete sample collection without help | Disagree | — |
| E. Home / Self-Collection Experience | E7 | I had access to support during self-collection | Strongly agree | — |
| E. Home / Self-Collection Experience | E8 | Time required for collecting and returning samples was acceptable | Disagree | — |
| E. Home / Self-Collection Experience | E9 | Microsampling fitted into my usual routine | Not answered | — |
| E. Home / Self-Collection Experience | E10 | I felt safe and confident during self-collection | Strongly disagree | — |
| E. Home / Self-Collection Experience | E11 | Satisfaction with shipping samples back to the lab | Very dissatisfied | — |
| F. Training and Support | F1 | Which support types were helpful? | Other | — |
| F. Training and Support | F2 | Which factors would build your confidence in using microsampling? | Online/telephone support, Trying the device first with a healthcare professional | — |
| G. Future Preferences | G1 | Preferred future blood collection location | At home | — |
| G. Future Preferences | G2 | Willingness to use a microsampling device at home for regular health-related blood sampling | Yes | — |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Not answered | — |
Legal
Consent and withdrawal information
Date of consent
28 Jul 2025
Date of withdrawal
—
Withdraw reason
—