Blood sample collection
24 Nov 2025
CapillaryHome
- Collector
- Participant
- Device type
- Tasso mini
- Analytes
- 7
Overview
Key participant information
Participant code
COMFORT-013
Enrollment date
17 Nov 2025
Clinical site
Vall d’Hebron
Enrollment place
Hospital
Enrolled part
B
Status
Completed
Study Population Cohort
Colorectal cancer
QUESTIONNAIRE
Complete
Study Visits
Details of participatnt visits in Part A and/or Part B
| Date | Part | Type of visit | Place | Status | Comments |
|---|---|---|---|---|---|
| 17 Nov 2025 | B | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 24 Nov 2025 | B | 1st Visit | Not applicable (N/A) | Completed | Follow-up visit completed. Capillary microsampling at home. |
| 15 Dec 2025 | B | 2nd Visit | Health Primary Care | Completed | Ad-hoc follow-up visit. |
| 05 Jan 2026 | B | 3rd Visit | Hospital | Completed | Ad-hoc follow-up visit. |
Collections
Blood microsampling and venipuncture collections with associated analyte results
B
Blood sample collection
15 Dec 2025
CapillaryClinic
- Collector
- Caregiver
- Device type
- Tasso+
- Analytes
- 6
Blood sample collection
05 Jan 2026
CapillaryHome
- Collector
- Participant
- Device type
- Capitainer B
- Analytes
- 6
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 24 Nov 2025 | Capillary | Home | Participant | Tasso mini | B | 7 | Open |
Blood sample collection Details 15 Dec 2025 | Capillary | Clinic | Caregiver | Tasso+ | B | 6 | Open |
Blood sample collection Details 05 Jan 2026 | Capillary | Home | Participant | Capitainer B | B | 6 | 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 2026-01-06
| 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 | Not answered | — |
| A. Previous Experience with Microsampling | A4 | Ease of previous use | Difficult | — |
| A. Previous Experience with Microsampling | A5 | Previous difficulties experienced | Difficulty applying, Bruising | — |
| B. Study Information and Visit Experience | B1 | Study information was easy to understand | Strongly disagree | — |
| 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 | Dissatisfied | — |
| B. Study Information and Visit Experience | B4 | Convenience of visit scheduling | Neutral | — |
| B. Study Information and Visit Experience | B5 | Study staff treated me respectfully | Strongly agree | — |
| 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 | 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 | Neutral | — |
| 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) | 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? | I am used to venous sampling and trust the technique 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 | Agree | — |
| 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 agree | — |
| D. Microsampling Device Experience | D5 | Problems experienced with the device | None, 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 | Very 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 | Neutral | — |
| 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 | Neutral | — |
| E. Home / Self-Collection Experience | E7 | I had access to support during self-collection | 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 | Strongly 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 satisfied | — |
| F. Training and Support | F1 | Which support types were helpful? | Video tutorial, Other, In-person explanation | — |
| F. Training and Support | F2 | Which factors would build your confidence in using microsampling? | Doctor recommendation, 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 | No | — |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Need to see clear evidence the results are reliable. | — |
Legal
Consent and withdrawal information
Date of consent
14 Nov 2025
Date of withdrawal
—
Withdraw reason
—