Bioavailability (BA) and Bioequivalence (BE) studies involve a sequence of highly structured, protocol-driven activities. From volunteer registration and screening to check-in, dosing, vital signs, meal administration, biological sample collection and study completion, every activity needs to be performed and documented accurately.

Traditionally, many BA/BE study centers and CROs have relied on paper forms, spreadsheets and multiple disconnected systems to manage these activities. While these approaches can support basic data collection, they can also increase manual work, make study monitoring more difficult and create additional effort during review and reconciliation.

An Electronic Case Report Form (eCRF) for BA/BE studies provides a controlled digital method for capturing study-related information and managing protocol-defined activities.

However, a BA/BE eCRF is more than simply converting a paper form into an electronic screen. A specialized BA/BE eCRF should support the actual workflow of a bioequivalence study, including subject screening, eligibility assessment, check-in, dosing, timepoint-based activities, sample collection, vital signs, meals and study completion.

This article explains what an eCRF is, why BA/BE studies need specialized electronic data capture, the key features to consider, and how a purpose-built BA/BE eCRF can help CROs and study centers improve study execution and data traceability.

An Electronic Case Report Form (eCRF) is a digital form used to capture study-related data electronically instead of relying on paper-based forms.

In a BA/BE study, an eCRF can be configured according to the study protocol and used to capture information associated with volunteers, study visits, assessments and study activities.

Depending on the study requirements, the eCRF may capture:

• Volunteer registration
• Demographic information
• Medical history
• Physical examination
• Vital signs
• ECG information
• Laboratory assessments
• Screening information
• Eligibility status
• Check-in and check-out
• Dosing information
• Meal information
• Blood sample collection
• Study timepoints
• Adverse events
• Protocol-related observations
• Study completion information

The objective is to provide a structured and controlled electronic record of BA/BE study activities.

A well-designed BA/BE eCRF can also incorporate validation rules, role-based access, audit trails, electronic signatures and workflow controls where applicable.

BA/BE studies have operational requirements that are different from simply collecting general patient information.

The study workflow can involve a large number of volunteers, predefined activities and tightly controlled timepoints.

For example, after dosing, biological samples may need to be collected at specific protocol-defined timepoints.

The study team therefore needs to know:

• Which volunteer is being handled?
• Which period is being executed?
• When was dosing performed?
• What is the next scheduled activity?
• When is the next sample due?
• Was the sample collected?
• Who performed the activity?
• When was the activity completed?
• Were there any deviations or exceptions?

Managing these activities manually can create unnecessary administrative work. A specialized BA/BE eCRF can bring these activities into a single protocol-driven electronic workflow.

Traditional paper-based processes may require information to be recorded on multiple forms and subsequently reviewed, reconciled or transferred into other systems.

An eCRF allows information to be captured electronically at the point of activity.

The objective of implementing an eCRF is not simply to eliminate paper. The larger objective is to create a more controlled and traceable BA/BE study execution process.

1. Volunteer Registration

The process can begin with electronic volunteer registration. Information may include volunteer identification, demographics, contact information, registration information and study-specific details.

2. Volunteer Screening

Screening is one of the important stages of a BA/BE study. An eCRF can support electronic capture of medical history, physical examination, vital signs, ECG, blood investigations, urine investigations, other protocol-required assessments, screening test results and eligibility information.

Instead of maintaining separate paper forms for different assessments, the information can be managed through a structured electronic workflow.

3. Screening Evaluation and Eligibility

Once screening activities are completed, the study team needs to determine whether the volunteer meets the study criteria.

An eCRF can help organize Screening → Evaluation → Review → Eligibility → Study Enrollment. This can improve visibility into the status of each volunteer and support appropriate review workflows and controlled status changes.

4. Check-In and Volunteer Verification

Volunteer identification is particularly important when managing multiple participants during a study period. A BA/BE eCRF can support controlled volunteer verification during check-in.

Depending on the system design, technologies such as barcode identification, biometric verification and unique volunteer identifiers can be used to reduce the risk of selecting the wrong volunteer.

5. Dosing Management

Dosing is a critical activity in a BA/BE study. The eCRF can capture volunteer, study period, treatment, dose, dosing date and time, study personnel and relevant observations.

A protocol-driven workflow can help ensure that dosing information is recorded consistently.

6. Protocol-Based Timepoint Management

One of the most useful capabilities of a BA/BE-specific eCRF is the ability to manage study activities based on protocol-defined timepoints.

For example, after dosing, a protocol may define specific sample collection timepoints. Instead of manually calculating each subsequent timepoint, the system can calculate scheduled activities based on the recorded dosing time.

This can help reduce manual calculation and improve operational consistency.

A timepoint-driven workflow can provide visibility into scheduled, actual, pending, completed and delayed activities.

7. Vital Signs and Clinical Assessments

BA/BE studies may require vital signs and other assessments at defined stages. The eCRF can provide structured fields for blood pressure, pulse rate, temperature, respiratory rate and other protocol-defined observations.

8. Meal Management

For studies involving controlled meals, meal administration can be an important part of the study workflow. An eCRF can record meal type, meal time, volunteer, study period, meal completion and relevant observations.

9. Biological Sample Collection

Sample collection is a major operational activity in BA/BE studies. The eCRF can support recording volunteer, sample type, collection timepoint, scheduled collection time, actual collection time, collection status, sample identification and relevant remarks.

When integrated with barcode-based identification, electronic workflows can also improve sample traceability.

10. Study Period and Treatment Management

BA/BE studies can involve multiple periods and treatments. The eCRF should therefore be capable of maintaining the relationship between:

Volunteer → Study → Period → Treatment → Dosing → Timepoints → Samples

Maintaining these relationships electronically can reduce the need for manual reconciliation.

11. Study Completion and Check-Out

At the end of the study period, the eCRF can support controlled check-out activities and provide visibility into completed activities, pending activities, sample collection status, required assessments and study completion status.

Protocol-Driven Configuration

The system should allow workflows and data collection activities to be configured according to the study protocol.

Role-Based Access

Different users may have different responsibilities. Role-based access helps ensure that users have access appropriate to their responsibilities.

Audit Trail

Electronic records should maintain appropriate information about relevant actions and changes, including who performed an action, what was changed and when the action occurred.

Electronic Signatures

Where applicable, electronic signatures can support controlled review and approval workflows.

Validation Rules

Validation rules can help identify missing data, invalid values, incorrect formats and inconsistent information.

Barcode-Based Identification

Barcode-based identification can help connect volunteers, samples and study activities with the correct electronic records.

Automated Timepoint Calculation

A BA/BE-focused system can calculate timepoints based on protocol-defined schedules and the actual dosing time.

Study Status Tracking

Study teams should be able to understand the current status of volunteers and study activities.

Centralized Study Data

Keeping study information in a controlled electronic environment can simplify review and reporting.

Reduced Manual Data Entry

Electronic data capture reduces the need to repeatedly transfer information between paper forms, spreadsheets and databases.

Reduced Transcription Risk

Capturing information electronically at the point of activity can reduce unnecessary transcription between systems.

Faster Study Execution

Protocol-driven workflows can help users identify the next required activity without relying entirely on manual tracking.

Improved Data Traceability

Electronic records and audit trails can provide better visibility into study activities and changes.

Better Study Monitoring

Study teams can obtain a clearer view of participant and activity status.

Reduced Administrative Work

Automated calculations, structured workflows and electronic reporting can reduce repetitive manual activities.

Improved Data Review

Centralized electronic information makes it easier to review study data and identify incomplete or inconsistent records.

Data integrity is an important consideration when implementing electronic systems in regulated BA/BE environments.

The system should support appropriate controls around:

• User authentication
• Access control
• Audit trails
• Electronic records
• Electronic signatures where applicable
• Data modification
• Date and time recording
• Data retention
• Backup and recovery
• System security

The principles of ALCOA+ can also provide a useful framework when designing and evaluating electronic data processes.

Data should be appropriately:

• Attributable
• Legible
• Contemporaneous
• Original
• Accurate
• Complete
• Consistent
• Enduring
• Available

The software itself is only one component of a compliant process. Procedures, user roles, validation, infrastructure, training and organizational controls also contribute to the overall data integrity framework.

Where electronic records and electronic signatures fall within the scope of applicable FDA requirements, organizations should evaluate relevant 21 CFR Part 11 requirements.

A BA/BE eCRF may provide capabilities such as:

• Unique user identification
• Password-based authentication
• Role-based permissions
• Audit trails
• Electronic signatures
• Controlled record modification
• Date and time stamps

However, the presence of individual features alone does not automatically make a software system compliant.

The intended use, configuration, validation, procedures, security controls and organizational practices should all be considered when evaluating compliance.

A BA/BE CRO should evaluate an eCRF based on its actual study workflow rather than simply comparing generic feature lists.

Does it support BA/BE-specific workflows?

The system should support activities such as screening, check-in, dosing, meals, timepoints and sample collection.

Can it be configured according to the protocol?

Different BA/BE studies may have different schedules and requirements.

Can it calculate timepoints?

Automated timepoint calculation can reduce manual scheduling effort.

Does it provide subject verification?

The system should support appropriate mechanisms to ensure the correct volunteer is associated with each activity.

Can it track samples?

Sample collection and identification should remain traceable to the relevant volunteer and study activity.

Does it provide audit trails?

Electronic actions and relevant changes should be appropriately traceable.

Does it support controlled access?

Users should only have access to functions and data appropriate to their role.

Can it support study review?

The system should provide appropriate mechanisms for reviewing completed activities and identifying incomplete information.

BEeDC from Neopharmtech is designed specifically for Bioavailability and Bioequivalence (BA/BE) studies, rather than as a generic clinical trial EDC platform.

BEeDC supports the digital execution of BA/BE study workflows, from volunteer registration and screening through dosing, sample collection and study completion.

Key capabilities include:

• Volunteer registration
• Demographics
• Vital signs
• ECG capture and review workflows
• Medical examination
• Blood and urine sample collection
• Screening evaluation
• Eligibility management
• Eligible and master volunteer lists
• Check-in
• Volunteer verification
• Dosing workflows
• Meal tracking
• Protocol-driven timepoint calculations
• Sample collection tracking
• Study status management
• Barcode-based identification
• Biometric volunteer verification
• Electronic data capture
• Audit trail capabilities
• Role-based access

The focus is on providing a controlled, protocol-driven digital workflow for BA/BE study execution.

For organizations looking to replace paper-based BA/BE processes with a purpose-built electronic workflow, BEeDC can provide a platform for managing study activities within a centralized system.

Explore BEeDC – BA/BE Study Software

The objective of implementing an eCRF in a BA/BE environment is not simply to digitize paper forms.

The greater opportunity is to connect the activities that occur throughout the study.

Instead of:

Paper Form → Manual Calculation → Spreadsheet → Data Entry → Reconciliation → Review

a digital workflow can provide:

Study Protocol → Volunteer → Screening → Eligibility → Check-In → Dosing → Timepoints → Sample Collection → Review → Study Completion

This approach can help BA/BE organizations reduce repetitive work, improve visibility and strengthen traceability across study activities.