Blood sample collection
06 Aug 2025
CapillaryHome
- Collector
- Nurse
- Device type
- Capitainer B
- Analytes
- 7
Overview
Key participant information
Participant code
COMFORT-004
Enrollment date
30 Jul 2025
Clinical site
Karolinska Hospital
Enrollment place
Hospital
Enrolled part
B
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 |
|---|---|---|---|---|---|
| 30 Jul 2025 | B | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 06 Aug 2025 | B | 1st Visit | Not applicable (N/A) | Completed | Follow-up visit completed. Capillary microsampling at home. |
Collections
Blood microsampling and venipuncture collections with associated analyte results
B
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 06 Aug 2025 | Capillary | Home | Nurse | Capitainer B | B | 7 | 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 2025-08-21
| SECTION | Q # | Question | Answer | Comments / Free-text |
|---|---|---|---|---|
| A. Previous Experience with Microsampling | A1 | Had you heard about blood microsampling before this study? | No | — |
| 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 | Not answered | — |
| A. Previous Experience with Microsampling | A4 | Ease of previous use | Not answered | — |
| A. Previous Experience with Microsampling | A5 | Previous difficulties experienced | Not answered | — |
| 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 | Very 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 | Agree | — |
| B. Study Information and Visit Experience | B6 | I felt comfortable asking questions during the visit | Neutral | — |
| B. Study Information and Visit Experience | B7 | Satisfaction with answers received | Very satisfied | — |
| B. Study Information and Visit Experience | B8 | Visit duration was acceptable | Disagree | — |
| 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 | Disagree | — |
| 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) | 2 | — |
| C. Conventional Sampling vs Microsampling Experience | C3 | Preferred blood collection method if given a choice | No preference | Either option works for me. |
| C. Conventional Sampling vs Microsampling Experience | C4 | Why did you choose this preferred method? | Not answered | — |
| D. Microsampling Device Experience | D1 | The device seemed easy to use | 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 | Disagree | — |
| D. Microsampling Device Experience | D4 | Confidence that microsampling could replace conventional blood sampling | Neutral | — |
| D. Microsampling Device Experience | D5 | Problems experienced with the device | Leakage, Pain | — |
| 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 | Very satisfied | — |
| E. Home / Self-Collection Experience | E3 | Helpfulness of training materials | Very unhelpful | — |
| E. Home / Self-Collection Experience | E4 | Confidence using microsampling for self-collection | Strongly disagree | — |
| E. Home / Self-Collection Experience | E5 | Self-collection instructions were clear | Agree | — |
| E. Home / Self-Collection Experience | E6 | I was able to complete sample collection without help | Strongly disagree | — |
| E. Home / Self-Collection Experience | E7 | I had access to support during self-collection | Not answered | — |
| E. Home / Self-Collection Experience | E8 | Time required for collecting and returning samples was acceptable | Not answered | — |
| E. Home / Self-Collection Experience | E9 | Microsampling fitted into my usual routine | Disagree | — |
| E. Home / Self-Collection Experience | E10 | I felt safe and confident during self-collection | 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, Telephone/online support, Printed instructions | — |
| 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, Doctor recommendation | — |
| G. Future Preferences | G1 | Preferred future blood collection location | No preference | — |
| G. Future Preferences | G2 | Willingness to use a microsampling device at home for regular health-related blood sampling | Maybe | Would prefer if I had ongoing support. |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Not answered | — |
Legal
Consent and withdrawal information
Date of consent
27 Jul 2025
Date of withdrawal
—
Withdraw reason
—