Blood sample collection
29 Jan 2026
CapillaryHome
- Collector
- Phlebotomist
- Device type
- Capitainer B
- Analytes
- 7
Overview
Key participant information
Participant code
COMFORT-031
Enrollment date
22 Jan 2026
Clinical site
Dundee University
Enrollment place
Hospital
Enrolled part
AB
Status
Completed
Study Population Cohort
Prostate cancer
QUESTIONNAIRE
Incomplete
Study Visits
Details of participatnt visits in Part A and/or Part B
| Date | Part | Type of visit | Place | Status | Comments |
|---|---|---|---|---|---|
| 22 Jan 2026 | A | Screening | Hospital | Completed | Screening visit completed. Eligibility confirmed. |
| 29 Jan 2026 | A | 1st Visit | Hospital | Completed | Baseline visit completed. Sample collection performed at clinical site. |
| 19 Feb 2026 | A | 2nd Visit | Hospital | Completed | Ad-hoc follow-up visit. |
| 12 Mar 2026 | B | 1st Visit | Not applicable (N/A) | Completed | Follow-up visit completed. Capillary microsampling at home. |
| 02 Apr 2026 | B | 2nd Visit | Not applicable (N/A) | Completed | Ad-hoc follow-up visit. |
| 23 Apr 2026 | 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
19 Feb 2026
CapillaryClinic
- Collector
- Phlebotomist
- Device type
- Capitainer B
- Analytes
- 7
Blood sample collection
12 Mar 2026
CapillaryHome
- Collector
- Participant
- Device type
- Tasso mini
- Analytes
- 7
Blood sample collection
02 Apr 2026
VenousClinic
- Collector
- Caregiver
- Device type
- —
- Analytes
- 4
Blood sample collection
23 Apr 2026
VenousClinic
- Collector
- Caregiver
- Device type
- —
- Analytes
- 4
| Collection | Collection type | Collection place | Collector | Device type | Part | Analytes | Action |
|---|---|---|---|---|---|---|---|
Blood sample collection Details 29 Jan 2026 | Capillary | Home | Phlebotomist | Capitainer B | A | 7 | Open |
Blood sample collection Details 19 Feb 2026 | Capillary | Clinic | Phlebotomist | Capitainer B | A | 7 | Open |
Blood sample collection Details 12 Mar 2026 | Capillary | Home | Participant | Tasso mini | B | 7 | Open |
Blood sample collection Details 02 Apr 2026 | Venous | Clinic | Caregiver | — | B | 4 | Open |
Blood sample collection Details 23 Apr 2026 | Venous | Clinic | Caregiver | — | B | 4 | 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 2026-03-08
| 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 | — | — |
| A. Previous Experience with Microsampling | A3 | Number of previous uses | 0 | — |
| A. Previous Experience with Microsampling | A4 | Ease of previous use | Not answered | — |
| A. Previous Experience with Microsampling | A5 | Previous difficulties experienced | Other, Insufficient sample | — |
| B. Study Information and Visit Experience | B1 | Study information was easy to understand | Not answered | — |
| 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 | Neutral | — |
| B. Study Information and Visit Experience | B4 | Convenience of visit scheduling | Neutral | — |
| 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 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 | Not answered | — |
| B. Study Information and Visit Experience | B9 | Impact on daily life was acceptable | Not answered | — |
| B. Study Information and Visit Experience | B10 | I felt comfortable providing feedback on sampling preferences | Not answered | — |
| C. Conventional Sampling vs Microsampling Experience | C1 | Pain rating for conventional venous blood sampling (0-10) | 0 (no pain) | — |
| C. Conventional Sampling vs Microsampling Experience | C2 | Pain rating for microsampling device collection (0-10) | 10 (worst pain) | — |
| C. Conventional Sampling vs Microsampling Experience | C3 | Preferred blood collection method if given a choice | Microsampling | Used to venous draws, more comfortable. |
| C. Conventional Sampling vs Microsampling Experience | C4 | Why did you choose this preferred method? | Both methods felt similar to me; convenience matters more. | — |
| D. Microsampling Device Experience | D1 | The device seemed easy to use | Agree | — |
| D. Microsampling Device Experience | D2 | The device caused little or no pain | 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 | Strongly 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)? | Not answered | — |
| 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 | Not answered | — |
| 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 | Neutral | — |
| 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 | 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? | Not answered | — |
| 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 a pharmacy | — |
| G. Future Preferences | G2 | Willingness to use a microsampling device at home for regular health-related blood sampling | No | Would prefer if I had ongoing support. |
| G. Future Preferences | G3 | If you answered Maybe or No, please explain | Concerned about correctly handling the sample at home. | — |
Legal
Consent and withdrawal information
Date of consent
19 Jan 2026
Date of withdrawal
—
Withdraw reason
—