Blood sample collection
18 Dec 2025
VenousClinic
- Collector
- Nurse
- Device type
- —
- Analytes
- 3
Overview
Key participant information
Participant code
COMFORT-033
Enrollment date
11 Dec 2025
Clinical site
Dundee University
Enrollment place
Hospital
Enrolled part
AB
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 |
|---|---|---|---|---|---|
| 11 Dec 2025 | A | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 18 Dec 2025 | A | 1st Visit | Hospital | Completed | Baseline visit completed. Sample collection performed at clinical site. |
| 08 Jan 2026 | B | 1st Visit | Not applicable (N/A) | Completed | Follow-up visit completed. Capillary microsampling at home. |
| 29 Jan 2026 | B | 2nd Visit | Health Primary Care | Completed | Ad-hoc follow-up visit. |
Collections
Blood microsampling and venipuncture collections with associated analyte results
A
Blood sample collection
08 Jan 2026
CapillaryHome
- Collector
- Nurse
- Device type
- Whatman 903 PSC
- Analytes
- 4
Blood sample collection
29 Jan 2026
CapillaryClinic
- Collector
- Participant
- Device type
- Tasso mini
- Analytes
- 6
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 18 Dec 2025 | Venous | Clinic | Nurse | — | A | 3 | Open |
Blood sample collection Details 08 Jan 2026 | Capillary | Home | Nurse | Whatman 903 PSC | B | 4 | Open |
Blood sample collection Details 29 Jan 2026 | Capillary | Clinic | Participant | Tasso mini | 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 2026-01-23
| 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 disagree | — |
| B. Study Information and Visit Experience | B3 | Satisfaction with study visit organisation | Satisfied | — |
| B. Study Information and Visit Experience | B4 | Convenience of visit scheduling | Very satisfied | — |
| 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 | Not answered | — |
| B. Study Information and Visit Experience | B7 | Satisfaction with answers received | Neutral | — |
| 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 | Neutral | — |
| 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) | 5 | — |
| 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 | Conventional blood sampling | 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 | 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 | Agree | — |
| D. Microsampling Device Experience | D4 | Confidence that microsampling could replace conventional blood sampling | Neutral | — |
| D. Microsampling Device Experience | D5 | Problems experienced with the device | Device error, Insufficient blood | — |
| 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 | Satisfied | — |
| E. Home / Self-Collection Experience | E3 | Helpfulness of training materials | Neutral | — |
| E. Home / Self-Collection Experience | E4 | Confidence using microsampling for self-collection | Strongly 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 | Strongly 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 | Agree | — |
| 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 | Satisfied | — |
| F. Training and Support | F1 | Which support types were helpful? | 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? | Trying the device first with a healthcare professional | — |
| 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 | Happy to do it if instructions remain clear. |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Not answered | — |
Legal
Consent and withdrawal information
Date of consent
08 Dec 2025
Date of withdrawal
—
Withdraw reason
—