Blood sample collection
03 Sep 2025
CapillaryClinic
- Collector
- Phlebotomist
- Device type
- Tasso mini
- Analytes
- 3
Overview
Key participant information
Participant code
COMFORT-029
Enrollment date
27 Aug 2025
Clinical site
Palacký Olomouc
Enrollment place
Hospital
Enrolled part
AB
Status
Completed
Study Population Cohort
Pediatrics
QUESTIONNAIRE
Incomplete
Study Visits
Details of participatnt visits in Part A and/or Part B
| Date | Part | Type of visit | Place | Status | Comments |
|---|---|---|---|---|---|
| 27 Aug 2025 | A | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 03 Sep 2025 | A | 1st Visit | Hospital | Completed | Baseline visit completed. Sample collection performed at clinical site. |
| 24 Sep 2025 | A | 2nd Visit | Hospital | Completed | Ad-hoc follow-up visit. |
| 15 Oct 2025 | B | 1st Visit | Not applicable (N/A) | Completed | Follow-up visit completed. Capillary microsampling at home. |
| 05 Nov 2025 | B | 2nd Visit | Hospital | Completed | Ad-hoc follow-up visit. |
| 26 Nov 2025 | B | 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
24 Sep 2025
CapillaryClinic
- Collector
- Phlebotomist
- Device type
- Hemaspot SE
- Analytes
- 7
Blood sample collection
15 Oct 2025
CapillaryHome
- Collector
- Nurse
- Device type
- Tasso mini
- Analytes
- 5
Blood sample collection
05 Nov 2025
VenousClinic
- Collector
- Caregiver
- Device type
- —
- Analytes
- 4
Blood sample collection
26 Nov 2025
VenousClinic
- Collector
- Participant
- Device type
- —
- Analytes
- 4
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 03 Sep 2025 | Capillary | Clinic | Phlebotomist | Tasso mini | A | 3 | Open |
Blood sample collection Details 24 Sep 2025 | Capillary | Clinic | Phlebotomist | Hemaspot SE | A | 7 | Open |
Blood sample collection Details 15 Oct 2025 | Capillary | Home | Nurse | Tasso mini | B | 5 | Open |
Blood sample collection Details 05 Nov 2025 | Venous | Clinic | Caregiver | — | B | 4 | Open |
Blood sample collection Details 26 Nov 2025 | Venous | Clinic | Participant | — | B | 4 | Open |
Adverse Events
Reported adverse events during the study
| Date | Part | Visit | Severity | Device related | Action |
|---|---|---|---|---|---|
| 12 Oct 2025 | B | Visit 3 | Mild | Possible |
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 2025-10-15
| SECTION | Q # | Question | Answer | Comments / Free-text |
|---|---|---|---|---|
| A. Previous Experience with Microsampling | A1 | Had you heard about blood microsampling before this study? | Not answered | — |
| 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 | Very difficult | — |
| A. Previous Experience with Microsampling | A5 | Previous difficulties experienced | Pain | Mild pain only. |
| 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 | Disagree | — |
| B. Study Information and Visit Experience | B3 | Satisfaction with study visit organisation | Not answered | — |
| B. Study Information and Visit Experience | B4 | Convenience of visit scheduling | Not answered | — |
| B. Study Information and Visit Experience | B5 | Study staff treated me respectfully | Not answered | — |
| B. Study Information and Visit Experience | B6 | I felt comfortable asking questions during the visit | Strongly 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 disagree | — |
| B. Study Information and Visit Experience | B9 | Impact on daily life was acceptable | Strongly disagree | — |
| B. Study Information and Visit Experience | B10 | I felt comfortable providing feedback on sampling preferences | Strongly disagree | — |
| C. Conventional Sampling vs Microsampling Experience | C1 | Pain rating for conventional venous blood sampling (0-10) | Not answered | — |
| 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 | 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 | Not answered | — |
| 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 | Not answered | — |
| D. Microsampling Device Experience | D4 | Confidence that microsampling could replace conventional blood sampling | Agree | — |
| D. Microsampling Device Experience | D5 | Problems experienced with the device | Not answered | — |
| 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 | 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 | Agree | — |
| E. Home / Self-Collection Experience | E5 | Self-collection instructions were clear | Disagree | — |
| E. Home / Self-Collection Experience | E6 | I was able to complete sample collection without help | Not answered | — |
| 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 | Not answered | — |
| E. Home / Self-Collection Experience | E9 | Microsampling fitted into my usual routine | Neutral | — |
| E. Home / Self-Collection Experience | E10 | I felt safe and confident during self-collection | Strongly agree | — |
| E. Home / Self-Collection Experience | E11 | Satisfaction with shipping samples back to the lab | Not answered | — |
| F. Training and Support | F1 | Which support types were helpful? | Other, Printed instructions, Telephone/online support | Nurse walked me through the steps. |
| F. Training and Support | F2 | Which factors would build your confidence in using microsampling? | Tutorial videos, Doctor recommendation | — |
| G. Future Preferences | G1 | Preferred future blood collection location | At a pharmacy | — |
| G. Future Preferences | G2 | Willingness to use a microsampling device at home for regular health-related blood sampling | Not answered | — |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Not answered | — |
Legal
Consent and withdrawal information
Date of consent
24 Aug 2025
Date of withdrawal
—
Withdraw reason
—