USING REDCAP TO SUPPORT
MULTI-SITE TRIALS AT WUSM
By
Kevan Essmyer
Special Thanks to Jack Baty
MULTI-SITE SUPPORT
 WUSM
REDCap Installation (Brief
Overview)
 Data
Access Groups
 Double

Data Entry
Standard and modified usage
 Sidedoor
 New
Secure Server (External Access)
features in the REDCap 4.8
NEED FOR DATA CAPTURE SOFTWARE

Convenient uniform data entry method
Stateless web-based
 Secure WUSM HIPAA compliant centralized data
store.


Easy to use multi-purpose clinical database


Not Excel, Not Access, Not 3-4 composition notebooks
somewhere on the top shelf
Reduce costly data “cleaning” effort during
analysis. (WUSM Best Practices Guidelines)
Public HTTPS
Access
Biostatistics Secure Domain
WEB
Server
File Server
Authenticated Access
Sync
MySQL Server
WUCON
Sidedoor
Server
Data Entry /Admin
WEB
Server
MySQL Slave Server
Host
Server
PROJECT CREATION FLOW CHART
Create Project
–Project Name, Longitudinal
or Cross-Sectional/ Survey
Excel
Spreadsheet
Or
Online Form
Designer
Data
Entry
Forms
Move Move
to Production
to
StatusProduction
on Production
Server
and
start
Data
Status
and
start
Data
Collection
Collection
Add Users
and
Set User
Rights
Define
Study Events
(Longitudinal)
add Schedule
(optional)
Study Calendar – Participant Scheduling
Participant Scheduling Module Optional
Visit-Level View Shows Status + CRFs (Longitudinal Model)
Audit Trails / Data Logging
Full Audit Logs – Data Changes and Page Views
DEVELOPMENT SERVER
“TRYING IT OUT”
http://www.biostat.wustl.edu/redcap
 REDCap User Request forms (Fax or email)

Sponsoring PI
 Username /password
 Open access to the Development server


Off-campus Access
Sidedoor security certificate
 Access from any “capable” Internet connection (world
wide)

PRODUCTION SERVER
“REAL DATA”
http://www.biostat.wustl.edu/redcap
 REDCap Project Request form (Fax or email)

Sponsoring PI
 IRB Approval or Waiver
 Only PI or Project Admin can create projects


Production “Status” on the Production Server

Data Dictionary
Changes saved
 Review of submitted changes to avoid unintended data
corruption
 Delete all records function disallowed

DATA ACCESS GROUPS




Partition data records among groups of users
Each group can only see the data associated with
the group they belong to.
Each user can only belong to one group
“Global” users can be created for cross site
management. (i.e. Any user not restricted to a
Group)
CREATING DATA ACCESS GROUPS
Add Group to Study
 Add User to Group
 Only one Group per user

DATA ACCESS GROUP DATA ENTRY
Users only have access to their groups data.
 !!!Users Not assigned to a group have access to
all records according to their “User Rights”!!!
 Multiple accounts available for Study Managers

USER PERMISSIONS “RIGHTS”
DOUBLE DATA ENTRY MODULE

Standard method
Supports only two data entry participants per
REDCap Project
 Option for those creating individual project for each
site


Modified usage
Create duplicate record with “comparison” or
prefix/postfix
 Use comparison tool to compare records.
 Any user with data entry rights can do DDE

Data Comparison Tools
Use Case: Double-Data Entry Studies
DDE MERGE TOOL
Public HTTPS
Access
Biostatistics Secure Domain
WEB
Server
File Server
Authenticated Access
Sync
MySQL Server
WUCON
Sidedoor
Server
Data Entry /Admin
WEB
Server
MySQL Slave Server
Host
Server
SIDEDOOR SECURE SERVER

Provides external access to the WUSM REDCap web
interface to certified users.

Required Supervisor approved request form.

Individual SSL certificates issue to each user.


Constitutes ½ of the required HIPAA keys for
accessing the REDCap data system. (Separate from
REDCap username and password)
Web based certificate, allows global access with
sufficiently capable internet connection.
SIDEDOOR SECURE SERVER
Provides access to both the Development and
Production servers.
 Certificates self-signed by WUSM Biostatics
Department

Require a security exception be added to web browser
(Simple click yes to approve option on webpage)
 May require IT tech support to get installed on
restricted systems.

Expiration Date
 Revocable
 Not to be shared among multiple users!!!!

NEW FEATURES IN THE REDCAP 4.8

Improved API functionality

Expanded Field validation types

Data Quality Module (data queries)

External Links functionality

REDCap Plugin capabilities

Data Search Tool
EXPANDED API FUNCTIONALITY
EXPANDED FIELD VALIDATION TYPES
DATA QUALITY MODULE (DATA QUERIES)
DATA QUALITY MODULE (DATA QUERIES)
EXTERNAL LINKS

Embed hyperlinks in the REDCap project menu.

Websites, Other REDCap Projects, web tools
DATA SEARCH TOOL
SUPPORTING MULTI-SITE
Data Access Group Partitions
 Double Data Entry


Standard and modified usage
Sidedoor Secure Server for External Campus
access
 Configurable Individual “User Rights”
 Multiple access levels

System Access –granted by the REDCap
Administrators
 Project Access –granted by Project Administrator
 User Rights –set by Project Administrator

“?!!?”
User
Rights
REDCAP LIFELINES
Built-in tutorial videos
 Built-in Frequently Asked Question (FAQ) guide
 Demonstration Databases (Some Online, more to
come)
 WUSM Biostat REDCap Email Help Queue

[redcap@rt.biostat.wustl.edu]
 Monitored by 4 to 5 Administrators

REDCAP EMAIL SUPPORT
redcap@rt.biostat.wustl.edu
QUESTIONS?