Project COMFORT

Overview

Key participant information

Participant code
COMFORT-025
Enrollment date
20 Jul 2025
Clinical site
Vall d’Hebron
Enrollment place
Hospital
Enrolled part
B
Status
Completed
Study Population Cohort
Pediatrics
QUESTIONNAIRE
Complete

Study Visits

Details of participatnt visits in Part A and/or Part B

4 visits
DatePartType of visitPlaceStatusComments
20 Jul 2025BScreeningHospitalCompletedScreening visit completed. Eligibility confirmed.
27 Jul 2025B1st VisitNot applicable (N/A)CompletedFollow-up visit completed. Capillary microsampling at home.
17 Aug 2025B2nd VisitNot applicable (N/A)CompletedAd-hoc follow-up visit.
07 Sep 2025B3rd VisitNot applicable (N/A)CompletedAd-hoc follow-up visit.

Collections

Blood microsampling and venipuncture collections with associated analyte results

Blood sample collection
27 Jul 2025
B
CapillaryHome
Collector
Participant
Device type
Tasso mini
Analytes
7
Blood sample collection
17 Aug 2025
B
VenousClinic
Collector
Nurse
Device type
—
Analytes
3
Blood sample collection
07 Sep 2025
B
CapillaryClinic
Collector
Phlebotomist
Device type
Greiner MiniCollect EDTA
Analytes
4

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 2025-08-13

Complete
SECTIONQ #QuestionAnswerComments / Free-text
A. Previous Experience with MicrosamplingA1Had you heard about blood microsampling before this study?Yes—
A. Previous Experience with MicrosamplingA2Name of the microsampling device previously knownNot answered—
A. Previous Experience with MicrosamplingA3Number of previous uses1-2—
A. Previous Experience with MicrosamplingA4Ease of previous useNot answered—
A. Previous Experience with MicrosamplingA5Previous difficulties experiencedDevice malfunction, Insufficient sample, Difficulty applying—
B. Study Information and Visit ExperienceB1Study information was easy to understandStrongly agree—
B. Study Information and Visit ExperienceB2I felt comfortable asking questions about the studyDisagree—
B. Study Information and Visit ExperienceB3Satisfaction with study visit organisationSatisfied—
B. Study Information and Visit ExperienceB4Convenience of visit schedulingVery dissatisfied—
B. Study Information and Visit ExperienceB5Study staff treated me respectfullyStrongly agree—
B. Study Information and Visit ExperienceB6I felt comfortable asking questions during the visitNeutral—
B. Study Information and Visit ExperienceB7Satisfaction with answers receivedVery dissatisfied—
B. Study Information and Visit ExperienceB8Visit duration was acceptableAgree—
B. Study Information and Visit ExperienceB9Impact on daily life was acceptableNeutral—
B. Study Information and Visit ExperienceB10I felt comfortable providing feedback on sampling preferencesNot answered—
C. Conventional Sampling vs Microsampling ExperienceC1Pain rating for conventional venous blood sampling (0-10)1—
C. Conventional Sampling vs Microsampling ExperienceC2Pain rating for microsampling device collection (0-10)7—
C. Conventional Sampling vs Microsampling ExperienceC3Preferred blood collection method if given a choiceMicrosampling—
C. Conventional Sampling vs Microsampling ExperienceC4Why did you choose this preferred method?I am used to venous sampling and trust the technique more.—
D. Microsampling Device ExperienceD1The device seemed easy to useAgree—
D. Microsampling Device ExperienceD2The device caused little or no painDisagree—
D. Microsampling Device ExperienceD3I could use the device at homeDisagree—
D. Microsampling Device ExperienceD4Confidence that microsampling could replace conventional blood samplingNot answered—
D. Microsampling Device ExperienceD5Problems experienced with the devicePainNo issues noted.
E. Home / Self-Collection ExperienceE1Did you take part in Part A (home self-collection)?Yes—
E. Home / Self-Collection ExperienceE2Satisfaction with microsampling equipment and materialsDissatisfied—
E. Home / Self-Collection ExperienceE3Helpfulness of training materialsNeutral—
E. Home / Self-Collection ExperienceE4Confidence using microsampling for self-collectionStrongly agree—
E. Home / Self-Collection ExperienceE5Self-collection instructions were clearNeutral—
E. Home / Self-Collection ExperienceE6I was able to complete sample collection without helpNeutral—
E. Home / Self-Collection ExperienceE7I had access to support during self-collectionAgree—
E. Home / Self-Collection ExperienceE8Time required for collecting and returning samples was acceptableNeutral—
E. Home / Self-Collection ExperienceE9Microsampling fitted into my usual routineStrongly disagree—
E. Home / Self-Collection ExperienceE10I felt safe and confident during self-collectionStrongly disagree—
E. Home / Self-Collection ExperienceE11Satisfaction with shipping samples back to the labDissatisfied—
F. Training and SupportF1Which support types were helpful?In-person explanation, Printed instructions, Other—
F. Training and SupportF2Which factors would build your confidence in using microsampling?Tutorial videos—
G. Future PreferencesG1Preferred future blood collection locationAt the clinic—
G. Future PreferencesG2Willingness to use a microsampling device at home for regular health-related blood samplingMaybeNeed to see results first.
G. Future PreferencesG3If you answered Maybe or No, please explainNot answered—