Blood sample collection
23 Jan 2026
CapillaryHome
- Collector
- Nurse
- Device type
- TAP Micro Select
- Analytes
- 4
Overview
Key participant information
Participant code
COMFORT-010
Enrollment date
16 Jan 2026
Clinical site
Karolinska Hospital
Enrollment place
Hospital
Enrolled part
B
Status
Completed
Study Population Cohort
Elderly
QUESTIONNAIRE
Complete
Study Visits
Details of participatnt visits in Part A and/or Part B
| Date | Part | Type of visit | Place | Status | Comments |
|---|---|---|---|---|---|
| 16 Jan 2026 | B | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 23 Jan 2026 | B | 1st Visit | Not applicable (N/A) | Completed | Follow-up visit completed. Capillary microsampling at home. |
| 13 Feb 2026 | B | 2nd Visit | Not applicable (N/A) | Completed | Ad-hoc follow-up visit. |
Collections
Blood microsampling and venipuncture collections with associated analyte results
B
Blood sample collection
13 Feb 2026
CapillaryHome
- Collector
- Caregiver
- Device type
- Capitainer B
- Analytes
- 3
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 2026-02-24
| 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 | Not answered | — |
| A. Previous Experience with Microsampling | A3 | Number of previous uses | 0 | — |
| A. Previous Experience with Microsampling | A4 | Ease of previous use | Not answered | — |
| A. Previous Experience with Microsampling | A5 | Previous difficulties experienced | Pain, Insufficient sample | — |
| B. Study Information and Visit Experience | B1 | Study information was easy to understand | Strongly agree | — |
| B. Study Information and Visit Experience | B2 | I felt comfortable asking questions about the study | Neutral | — |
| B. Study Information and Visit Experience | B3 | Satisfaction with study visit organisation | Dissatisfied | — |
| B. Study Information and Visit Experience | B4 | Convenience of visit scheduling | Satisfied | — |
| B. Study Information and Visit Experience | B5 | Study staff treated me respectfully | Neutral | — |
| 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 | Dissatisfied | — |
| B. Study Information and Visit Experience | B8 | Visit duration was acceptable | Agree | — |
| B. Study Information and Visit Experience | B9 | Impact on daily life was acceptable | Disagree | — |
| B. Study Information and Visit Experience | B10 | I felt comfortable providing feedback on sampling preferences | Disagree | — |
| C. Conventional Sampling vs Microsampling Experience | C1 | Pain rating for conventional venous blood sampling (0-10) | 8 | — |
| 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 | Microsampling | Microsampling felt much less invasive. |
| C. Conventional Sampling vs Microsampling Experience | C4 | Why did you choose this preferred method? | Both methods felt similar to me; convenience matters more. | — |
| 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 | Strongly disagree | — |
| D. Microsampling Device Experience | D3 | I could use the device at home | Strongly agree | — |
| D. Microsampling Device Experience | D4 | Confidence that microsampling could replace conventional blood sampling | Strongly agree | — |
| D. Microsampling Device Experience | D5 | Problems experienced with the device | None | — |
| E. Home / Self-Collection Experience | E1 | Did you take part in Part A (home self-collection)? | No | — |
| E. Home / Self-Collection Experience | E2 | Satisfaction with microsampling equipment and materials | Neutral | — |
| E. Home / Self-Collection Experience | E3 | Helpfulness of training materials | Very unhelpful | — |
| E. Home / Self-Collection Experience | E4 | Confidence using microsampling for self-collection | Agree | — |
| 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 | Agree | — |
| E. Home / Self-Collection Experience | E7 | I had access to support during self-collection | Strongly disagree | — |
| E. Home / Self-Collection Experience | E8 | Time required for collecting and returning samples was acceptable | Neutral | — |
| E. Home / Self-Collection Experience | E9 | Microsampling fitted into my usual routine | Strongly agree | — |
| 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 | Dissatisfied | — |
| F. Training and Support | F1 | Which support types were helpful? | Telephone/online support, Printed instructions, Other | — |
| F. Training and Support | F2 | Which factors would build your confidence in using microsampling? | Tutorial videos, 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 | No | — |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Concerned about correctly handling the sample at home. | — |
Legal
Consent and withdrawal information
Date of consent
13 Jan 2026
Date of withdrawal
—
Withdraw reason
—