Blood sample collection
12 Nov 2025
CapillaryHome
- Collector
- Participant
- Device type
- TAP Micro Select
- Analytes
- 5
Overview
Key participant information
Participant code
COMFORT-021
Enrollment date
05 Nov 2025
Clinical site
Palacký Olomouc
Enrollment place
Hospital
Enrolled part
AB
Status
Completed
Study Population Cohort
Breast cancer
QUESTIONNAIRE
Complete
Study Visits
Details of participatnt visits in Part A and/or Part B
| Date | Part | Type of visit | Place | Status | Comments |
|---|---|---|---|---|---|
| 05 Nov 2025 | A | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 12 Nov 2025 | A | 1st Visit | Hospital | Completed | Baseline visit completed. Sample collection performed at clinical site. |
| 03 Dec 2025 | A | 2nd Visit | Health Primary Care | Completed | Ad-hoc follow-up visit. |
| 24 Dec 2025 | A | 3rd Visit | Health Primary Care | Completed | Ad-hoc follow-up visit. |
| 14 Jan 2026 | 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
A
Blood sample collection
03 Dec 2025
CapillaryClinic
- Collector
- Nurse
- Device type
- Greiner MiniCollect EDTA
- Analytes
- 5
Blood sample collection
24 Dec 2025
CapillaryClinic
- Collector
- Nurse
- Device type
- Greiner MiniCollect EDTA
- Analytes
- 5
Blood sample collection
14 Jan 2026
CapillaryHome
- Collector
- Caregiver
- Device type
- TAP Micro Select
- Analytes
- 3
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 12 Nov 2025 | Capillary | Home | Participant | TAP Micro Select | A | 5 | Open |
Blood sample collection Details 03 Dec 2025 | Capillary | Clinic | Nurse | Greiner MiniCollect EDTA | A | 5 | Open |
Blood sample collection Details 24 Dec 2025 | Capillary | Clinic | Nurse | Greiner MiniCollect EDTA | A | 5 | Open |
Blood sample collection Details 14 Jan 2026 | Capillary | Home | Caregiver | TAP Micro Select | B | 3 | Open |
Adverse Events
Reported adverse events during the study
| Date | Part | Visit | Severity | Device related | Action |
|---|---|---|---|---|---|
| 23 Dec 2025 | A | Visit 2 | Moderate | No |
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 2025-12-22
| 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 | 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 | Neutral | — |
| 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 | Strongly agree | — |
| B. Study Information and Visit Experience | B7 | Satisfaction with answers received | Very dissatisfied | — |
| B. Study Information and Visit Experience | B8 | Visit duration was acceptable | Neutral | — |
| B. Study Information and Visit Experience | B9 | Impact on daily life was acceptable | Neutral | — |
| B. Study Information and Visit Experience | B10 | I felt comfortable providing feedback on sampling preferences | Strongly agree | — |
| C. Conventional Sampling vs Microsampling Experience | C1 | Pain rating for conventional venous blood sampling (0-10) | 3 | — |
| C. Conventional Sampling vs Microsampling Experience | C2 | Pain rating for microsampling device collection (0-10) | 8 | — |
| 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? | Microsampling caused noticeably less discomfort and was faster to perform. | — |
| D. Microsampling Device Experience | D1 | The device seemed easy to use | Disagree | — |
| 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 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 | Other | No issues noted. |
| 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 helpful | — |
| E. Home / Self-Collection Experience | E4 | Confidence using microsampling for self-collection | Neutral | — |
| 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 | 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 | Strongly disagree | — |
| 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 | Agree | — |
| E. Home / Self-Collection Experience | E11 | Satisfaction with shipping samples back to the lab | Neutral | — |
| F. Training and Support | F1 | Which support types were helpful? | Printed instructions, Other | — |
| F. Training and Support | F2 | Which factors would build your confidence in using microsampling? | Doctor recommendation, Clear printed/visual instructions, Online/telephone support | — |
| G. Future Preferences | G1 | Preferred future blood collection location | At the clinic | — |
| 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
02 Nov 2025
Date of withdrawal
—
Withdraw reason
—