Participant-reported data

eDiary and ePRO Data Collection

Daily, weekly or visit-based diaries and patient-reported outcome questionnaires that participants complete on their own phone, tablet or computer, in the same database as the rest of your study.

Paper diaries are filled in late, from memory, and transcribed by hand. An electronic diary records each entry with its date and time, checks it as it is entered and makes it available to the study team straight away. ResearchGuru builds the diary, hosts it and supports your sites and participants throughout data collection.

Discuss your study

What participants see

Short, clear and usable on a small screen

Completion depends on how the diary feels to the person filling it in. We keep each entry short, show only the items that apply and test every page on a phone before activation.

Any device, nothing to install

Diaries open in the browser from a personal link. Layouts adapt to phone, tablet and desktop.

A personal access key

Each participant has a unique key, so entries go to the right record and one participant cannot see another's data.

Consent before the first page

An informed-consent page can be shown before the first form, with the consent date and version stored in a consent register.

Reminders and windows

Invitations and reminders are sent on your schedule, and each entry is checked against its visit or diary window.

More than one language

Approved translations are configured side by side, with the same item codes, so the data arrive in one dataset.

Safety notifications

Defined answers, such as a severe symptom score, can trigger an email to the study contacts you nominate.

Diary design

Designed around the instrument and the schedule

We configure the diary from your approved questionnaire/form and schedule of assessments: which items appear at which time point, what counts as on time, and what happens when an entry is missed.

Where you use a published instrument, items, wording and answer scales are reproduced exactly as supplied. Licences for copyrighted instruments remain the sponsor's responsibility.

A diary build can include

  • Daily, weekly or event-driven entries
  • Numeric rating scales and sliders
  • Symptom and adverse-event items
  • Medication and adherence items
  • Skip logic to keep entries short
  • Scores calculated automatically
  • Week or visit number recorded with each entry
  • Staff-entered visits in the same study

Where the signal drops

Offline collection with an Android app

For clinics and field sites without a reliable connection, ResearchGuru EDC Collect is an Android app that stores entries on the device and sends them when a connection returns.

Each entry carries its own identifier, so a repeated send cannot create a duplicate record. Entries arrive in the same project as browser entries and pass through the same checks and audit trail.

See dashboards and monitoring

Monitoring during the study

  • Completion by participant, site and week
  • Overdue and missed entries
  • Invitations and reminders sent
  • Queries raised by edit checks
  • Recruitment against target

Worked example (dummy data)

A 52-week diary study in three arms

Our demonstration eDiary project follows 150 dummy participants at two sites, randomised to three arms and completing a weekly diary from week 0 to week 52: 7,388 diary entries in all.

Its saved outputs include baseline tables by arm, mean symptom scores over time and a mixed model for repeated measures as the primary analysis, all produced inside the EDC. Every figure is dummy data, generated for demonstration.

Outputs are for study monitoring, exploration and reporting. For a regulatory submission, final analyses are reproduced in the validated statistical software named in the SAP.

Tables, figures and listings inside the EDC

Frequently asked questions

eDiary and ePRO: common questions

Something else? Get in touch and a senior researcher will answer.

No. The diary opens in the web browser from a personal link. The Android app is an option for settings where offline collection is needed.

By keeping entries short, showing only relevant items, sending reminders on an agreed schedule and giving the study team a live view of overdue entries, so sites can follow up while the window is still open.

That is a study decision, configured to your protocol. Where changes are allowed, the original value, the new value, the time and the reason are kept in the audit trail.

Yes. Notification rules and recipients are agreed before activation. Notifications support your safety procedures; they do not replace clinical monitoring or adverse-event reporting.

Yes, exactly as supplied, including wording, order and answer scales. You remain responsible for any licence the instrument's owner requires.

Tell us about your diary or ePRO study

Send us your questionnaire/form and schedule of assessments. We'll review the proposed structure and come back to you with:

Start your enquiry

Or email admin@edcstat.com · call +44 7484 816484

  • An initial database-build assessment
  • Any questions or recommendations
  • A proposed delivery schedule
  • A clear scope of work
  • A project quotation

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