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Interview Questions and Answers
1. What is OpenClinica?
OpenClinica is an open-source clinical trial software platform for electronic data capture (EDC) in clinical research. It supports study design, data entry, management, and reporting, compliant with FDA 21 CFR Part 11 and CDISC standards.
2. What are the main components of OpenClinica?
Main components include Study Builder (for CRF design), Subject Management (enrollment and data entry), Query Management, Reporting & Analytics, and Admin tools for user and site management.
3. How does OpenClinica ensure data security and compliance?
It uses role-based access control, audit trails, electronic signatures, data encryption, and validation rules. Compliant with FDA 21 CFR Part 11, GDPR, and HIPAA for secure, traceable data handling.
4. What is a CRF in OpenClinica?
A Case Report Form (CRF) is a digital form for collecting study data per visit/event. Designed in Study Builder with items, groups, and sections, supporting skips and rules for dynamic data entry.
5. What is the difference between Events and Visits in OpenClinica?
Events are scheduled study activities (e.g., screening, treatment); Visits are instances of events for a subject. Events define the schedule; visits track actual occurrences and associated CRFs.
6. How do you create a new study in OpenClinica?
Log in as admin, go to Create > Study, enter identifier, name, sponsor, and metadata. Define study parameters, OID, and then build CRFs and events in Study Builder.
7. What is Subject Matrix in OpenClinica?
Subject Matrix is a dashboard view showing enrolled subjects, their event status, and CRF completion. It provides an overview for monitoring progress and identifying data gaps.
8. How does OpenClinica handle queries and discrepancies?
Queries are raised automatically or manually for out-of-range data. The system tracks query status (new, open, resolved), assigns to users, and logs all communications for resolution.
9. What are Rules in OpenClinica?
Rules are conditional logic expressions that automate actions like queries, skips, or calculations based on data values. Configured in Rule Designer using JavaScript-like syntax.
10. What is the role of OIDs in OpenClinica?
OIDs (Object Identifiers) are unique alphanumeric codes for studies, CRFs, items, and events, ensuring interoperability with CDISC standards and traceability in data exports.
11. How do you import data into OpenClinica?
Use the Import Data tool with ODM-XML formatted files. Supports bulk subject creation, event scheduling, and CRF population, with validation for errors before import.
12. What is Export functionality in OpenClinica?
Export generates datasets in formats like CSV, SAS, ODM-XML for analysis. Includes filtered views, audit logs, and discrepancy reports for regulatory submissions.
13. How does OpenClinica support multi-site studies?
Multi-site support via study sites configuration, site-specific users, and data partitioning. Central monitoring with role-based views for sponsors and CROs.
14. What is the difference between Initial Data Entry and Double Data Entry?
Initial Data Entry is first entry by site users; Double Data Entry is a second independent entry for verification, used in high-accuracy modes to minimize errors.
15. How do you manage users and roles in OpenClinica?
Admin > Users > Create User, assign roles like Study Director, Investigator, Data Entry Person. Roles control access to functions like data entry or monitoring.
16. What is the Study Calendar in OpenClinica?
Study Calendar displays scheduled events for subjects, showing due dates, status, and CRFs. Helps coordinators track timelines and ensure timely data collection.
17. How does OpenClinica integrate with other systems?
Integrates via APIs, web services, and ODM standard for EDC with CTMS, IVRS, or labs. Supports CDISC for data exchange with statistical software.
18. What are Discrepancy Notes?
Discrepancy Notes are annotations on data items for issues like queries or failed validations. They include descriptions, assignees, and resolution history for data cleaning.
19. How do you lock a CRF version in OpenClinica?
Admins lock CRF versions in Study Builder to prevent changes, ensuring data integrity. Unlocking requires admin privileges for revisions.
20. What are best practices for OpenClinica implementation?
Best practices include thorough UAT, user training, rule testing, regular backups, and audit reviews. Start with pilot studies for validation before full rollout.