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Tools, Technologies and Techniques in Clinical Data Standardization
Pankaj Bhardwaj (Lead - Statistical Programmer)
CONFIDENTIAL- 2 -
Agenda
•Why Data Standardization?•Clinical Data Standardization Tools and Approaches•Building own Clinical Data Standardization Framework- Techniques•Building own Clinical Data Standardization Framework- Technologies•Metadata Set Up•SAS – Java Connectivity•Clinical Data Standardization Tool – Ready•CDM Practices for standardizing the Future Trials•Q & A
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Why Data Standardization?
Data Standardization
Productivity
Cost Efficient
Accuracy
Streamlines Study set up
Data Reusability
Fewer redundant datasets and flows
Efficient Clinical Database
Efficient exchangeof data withsuppliers, partnersand customers
High Data Quality
Quality Regulatory Response
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Clinical Data Standardization Tools and Approaches
Base SAS and Macros
SAS Drug Development
SAS Integration Studio and Web Report Studio
SAS Clinical DATA integration Tool
Oracle LSH
Data Transformation in Informatica and Reporting in BO
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1. Metadata Set Up (Clinical Data Standard Specific Metadata, Control Terminology)considering appropriate technologies and Operating Systems.
2. Customization of Target Data Standards provision.
3. Provision for Pre and Post processing of Data into the staging area and reusingmapping definitions across trials.
4. Dictionary Coding.
5. Automatic Generation of Data transformation programs.
6. Data Integrity Checks.(Dataset Checks, Cross Datasets Checks, Metadata ComplianceChecks).
7. Creation of Analysis Datasets, Patient Profiles, Define.xml and Reporting onStandardized Data using generalized Algorithms across trials.
8. After having all the above functionalities, the GUI can be built on top of it.
Building own Clinical Data Standardization Framework- Techniques
CONFIDENTIAL
Target Standard Metadata (CDISC / Sponsor compliant)
CODELIST METADATA
MedDRA WHO Drug
DICTIONARY METADATA
Metadata Set Up
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Metadata Integration with Source Data
Integrator Code for:1. Metadata and
Source Data Integration
2. Target Datasets Generation
Target Standardized
Data:DMAE
Source Data(Oracle Data, SAS Datasets,
Transport Files and others)
Tool Metadata
INTEGRATION
CONFIDENTIAL
Unix or Windows Environment
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Building own Clinical Data Standardization Framework- Technologies
SAS A/F
. Net and SAS
JAVA and SAS
Note : The Analysis Tool can be Non-SAS as well
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SAS – Java Connectivity
SAS
JAVA
Updating SAS Configuration File with the Class Path Variable and Using the Objects Through SAS Programs
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JDBC Connectivity
Closing Database Connection
Getting Results
Executing Statements
Establishing Connection
Loading Drivers Class.forName(driver).newInstance()
con = DriverManager.getConnection()
ResultSet res = st.executeQuery()
System.out.println( employeeName )
con.close()
SAS Connect
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Clinical Data Standardization Tool - Ready
Source DataVariable Label Length Type
Subj Subject 30 Char
Race Race 35 Char
Ht Height 8 Num
Country Country Name
50 Char
Smk Smoke 2 Char
Wt Weight 8 Num
Target DataVariable Label Length Type Codelist
Country Country 50 Char Cnt
Race Race 20 Char Rc
Height Height 8 Num
Weight Weight 8 Num
Smoke Smoke 1 Char Y/N
Subject Subject 20 Char
MAP
Select Study Select Target Standard Import Source Data Process Data
Generate Target Data Validation Reporting Export Target Data
Patient Profiles Define.xml Analysis Datasets
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CDM Practices for standardizing the Future Trials
Revisiting non - Standardized Clinical Data Management (CDM) approach
Standard and Therapeutic area oriented CRFs
Clinical Data Acquisition Standards Harmonization” (CDASH) guidelines
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Q & A
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Thank-You