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Intentional re-challenge and the clinical data
management of Drug Related problems
MOHAMED SALIH ASLAM
B.PHARM
Student ID -188/092023
10/18/2022
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CONTENTS
• INTRODUCTION
• STRATEGIES
• IMPORTANCE OF INTENTIONAL RE-CHALLENGE
• CLINICAL DATA MANAGEMENT
• TOOLS FOR CDM
• CDM PROCESS
• LIST OF CDM ACTIVITIES
• CONCLUSION
• REFERENCES
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INTRODUCTION
Intentional Re-challenge:
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Rechallenge refers to the re-administration of a medication suspected of causing an
adverse reaction, considering the benefit/risk balance of the medication and
alternative treatments.
Clinical data management involves meticulously gathering, documenting, and analyzing
patient medical history, adverse events, and re-challenges to make informed decisions
about drug safety and patient response, a crucial step in evaluating and managing drug-
related issues.
Clinical data management of Drug Related problems
STRATEGIES
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‘Type A’:
Drug interactions are a subtype of Type A adverse reactions, requiring a rechallenge test
based on pharmacological criteria, involving low dose within therapeutic range or high doses
if therapeutic failure occurs.
‘Type B’:
Hypersensitivity reactions require a rechallenge test, often based on immunological or
metabolic criteria, with low doses. Rechallenge is potentially dangerous. The underlying
mechanism is uncertain, and cross hypersensitivity may occur.
‘Type C’:
These reactions often have no suggestive time course and may follow neither
pharmacological nor immunological principles. For example, increased risk of acquiring a
‘natural’ disease (e.g. myocardial infarction, pulmonary embolism), or increased frequency of
a recurrent but transient event (e.g. more frequent migraine or convulsions)
IMPORTANCE OF INTENTIONAL RE-CHALLANGE
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Causality
Confirmation
Pharmacov
igilance
Treatment
Decision
Patient
safety
Avoiding
Misdiagnosis
IMPORTANCE
OF
INTENTIONAL
RE-
CHALLANGE
CLINICAL DATA MANAGEMENT
Definition
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The process of collecting, scrubbing, and managing subject data in accordance with regulatory
requirements is known as CDM. The primary objective of CDM processes is to provide high-
quality data by keeping the number of errors and missing data as low as possible and gather
maximum data for analysis.
Purpose of CDM
❑ Clinical data management's (CDM) goal is to produce accurate, trustworthy, and
statistically sound data from clinical trials.
❑ CDM ensures the collection, integration, and availability of data at appropriate quality
and cost.
❑ CDM plays an essential role in the data collection phase of clinical research.
TOOLS FOR CDM
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✓ Many software tools are available for data management, and these are called
Clinical Data Management Systems (CDMS).
✓ Commonly used CDM tools are
❖ ORACLE CLINICAL
❖ CLINTRIAL
❖ MACRO
❖ RAVE and
❖ eClinical Suite
THE CDM PROCESS
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❖ The CDM process is designed to deliver an error-free, valid, and statistically sound database.
To meet this objective, the CDM process starts early, even before the finalization of the study
protocol.
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Review and finalization of study documents
➢ The protocol is reviewed for clarity and consistency, with the CDM team designing a
Case Report Form (CRF) to translate protocol-specific activities into data.
➢ The CRF should be concise, self-explanatory, and user-friendly, with clear data fields
and units.
➢ Filling instructions (CRF Completion Guidelines) should be provided for error-free
data acquisition.
LIST OF CDM ACTIVITIES
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Database locking
Medical coding
Discrepancy management
Data validation
Data entry
CRF tracking
Data collection
Database designing
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CRF tracking
Logistic way if it is paper based study. EDC-electronic data capture if it is e-CRF
Data entry
Data entry is a process of entering /transferring data from case report form to clinical data
management system (CDMS)
Database set up and testing
Database setup and testing are always performed in a secure, non -study data environment.
Only when a database has been reviewed and fully tested, will it be set in ‘production’, a
separate environment where only study data will be entered.
Data collection process
Gathering of data in the course of trail from patient medical history, initial adverse event
details, monitoring during re-challenge, and documentation of outcomes
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Discrepancy management
Discrepancy management is a process of cleaning subject data in the
clinical data management system (CDMS), it includes manual checks
and programmed checks.
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Database lock
The database lock for a study is done to ensure no manipulation of study data
during the final analysis
Quality control
Quality should be maintained for overall study by performing quality
checks at intervals for all data points prior to database lock.
Medical coding involves identifying and classifying medical
terminologies in clinical trials using online medical dictionaries.
Knowledge of medical terminology, disease entities, drugs, and
pathological processes is required. Customized dictionaries are also
used by pharmaceutical companies.
Medical coding
CONCLUSION
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Intentional re-challenge confirms if a drug caused an adverse
reaction. Following careful steps and data collection ensures
safety and reliable results. This helps diagnose accurately and
decide treatments better. Alongside good data management,
intentional re-challenge guides healthcare professionals by
telling apart real drug reactions from coincidences. This
makes treatment plans personal and boosts patient safety.
REFERENCES
▪ Meyboom, R. Intentional Rechallenge and the Clinical Management of
Drug-Related Problems. Drug Saf 36, 163–165 (2013).
▪ https://doi.org/10.1007/s40264-013-0023-0
▪ https://www.clinion.com/insight/clinical-data-management-whatare-
the-key-challenges/
▪ Stephens M. "Deliberate Drug Rechallenge." Human Toxicology.
1983;2(4):573-577. doi:10.1177/096032718300200401
▪ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3326906/
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Thank You!
www.clinosol.com
(India | Canada)
9121151622/623/624
info@clinosol.com
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@clinosolresearch
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Intentional re-challenge and the clinical data management of Drug Related problems

  • 1. Welcome Intentional re-challenge and the clinical data management of Drug Related problems MOHAMED SALIH ASLAM B.PHARM Student ID -188/092023 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 1
  • 2. CONTENTS • INTRODUCTION • STRATEGIES • IMPORTANCE OF INTENTIONAL RE-CHALLENGE • CLINICAL DATA MANAGEMENT • TOOLS FOR CDM • CDM PROCESS • LIST OF CDM ACTIVITIES • CONCLUSION • REFERENCES 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 2
  • 3. INTRODUCTION Intentional Re-challenge: 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 3 Rechallenge refers to the re-administration of a medication suspected of causing an adverse reaction, considering the benefit/risk balance of the medication and alternative treatments. Clinical data management involves meticulously gathering, documenting, and analyzing patient medical history, adverse events, and re-challenges to make informed decisions about drug safety and patient response, a crucial step in evaluating and managing drug- related issues. Clinical data management of Drug Related problems
  • 4. STRATEGIES 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 4 ‘Type A’: Drug interactions are a subtype of Type A adverse reactions, requiring a rechallenge test based on pharmacological criteria, involving low dose within therapeutic range or high doses if therapeutic failure occurs. ‘Type B’: Hypersensitivity reactions require a rechallenge test, often based on immunological or metabolic criteria, with low doses. Rechallenge is potentially dangerous. The underlying mechanism is uncertain, and cross hypersensitivity may occur. ‘Type C’: These reactions often have no suggestive time course and may follow neither pharmacological nor immunological principles. For example, increased risk of acquiring a ‘natural’ disease (e.g. myocardial infarction, pulmonary embolism), or increased frequency of a recurrent but transient event (e.g. more frequent migraine or convulsions)
  • 5. IMPORTANCE OF INTENTIONAL RE-CHALLANGE 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 5 Causality Confirmation Pharmacov igilance Treatment Decision Patient safety Avoiding Misdiagnosis IMPORTANCE OF INTENTIONAL RE- CHALLANGE
  • 6. CLINICAL DATA MANAGEMENT Definition 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 6 The process of collecting, scrubbing, and managing subject data in accordance with regulatory requirements is known as CDM. The primary objective of CDM processes is to provide high- quality data by keeping the number of errors and missing data as low as possible and gather maximum data for analysis. Purpose of CDM ❑ Clinical data management's (CDM) goal is to produce accurate, trustworthy, and statistically sound data from clinical trials. ❑ CDM ensures the collection, integration, and availability of data at appropriate quality and cost. ❑ CDM plays an essential role in the data collection phase of clinical research.
  • 7. TOOLS FOR CDM 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 7 ✓ Many software tools are available for data management, and these are called Clinical Data Management Systems (CDMS). ✓ Commonly used CDM tools are ❖ ORACLE CLINICAL ❖ CLINTRIAL ❖ MACRO ❖ RAVE and ❖ eClinical Suite
  • 8. THE CDM PROCESS 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 8 ❖ The CDM process is designed to deliver an error-free, valid, and statistically sound database. To meet this objective, the CDM process starts early, even before the finalization of the study protocol.
  • 9. 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 9 Review and finalization of study documents ➢ The protocol is reviewed for clarity and consistency, with the CDM team designing a Case Report Form (CRF) to translate protocol-specific activities into data. ➢ The CRF should be concise, self-explanatory, and user-friendly, with clear data fields and units. ➢ Filling instructions (CRF Completion Guidelines) should be provided for error-free data acquisition.
  • 10. LIST OF CDM ACTIVITIES 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 10 Database locking Medical coding Discrepancy management Data validation Data entry CRF tracking Data collection Database designing
  • 11. 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 11 CRF tracking Logistic way if it is paper based study. EDC-electronic data capture if it is e-CRF Data entry Data entry is a process of entering /transferring data from case report form to clinical data management system (CDMS) Database set up and testing Database setup and testing are always performed in a secure, non -study data environment. Only when a database has been reviewed and fully tested, will it be set in ‘production’, a separate environment where only study data will be entered. Data collection process Gathering of data in the course of trail from patient medical history, initial adverse event details, monitoring during re-challenge, and documentation of outcomes
  • 12. 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 12 Discrepancy management Discrepancy management is a process of cleaning subject data in the clinical data management system (CDMS), it includes manual checks and programmed checks.
  • 13. 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 13 Database lock The database lock for a study is done to ensure no manipulation of study data during the final analysis Quality control Quality should be maintained for overall study by performing quality checks at intervals for all data points prior to database lock. Medical coding involves identifying and classifying medical terminologies in clinical trials using online medical dictionaries. Knowledge of medical terminology, disease entities, drugs, and pathological processes is required. Customized dictionaries are also used by pharmaceutical companies. Medical coding
  • 14. CONCLUSION 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 14 Intentional re-challenge confirms if a drug caused an adverse reaction. Following careful steps and data collection ensures safety and reliable results. This helps diagnose accurately and decide treatments better. Alongside good data management, intentional re-challenge guides healthcare professionals by telling apart real drug reactions from coincidences. This makes treatment plans personal and boosts patient safety.
  • 15. REFERENCES ▪ Meyboom, R. Intentional Rechallenge and the Clinical Management of Drug-Related Problems. Drug Saf 36, 163–165 (2013). ▪ https://doi.org/10.1007/s40264-013-0023-0 ▪ https://www.clinion.com/insight/clinical-data-management-whatare- the-key-challenges/ ▪ Stephens M. "Deliberate Drug Rechallenge." Human Toxicology. 1983;2(4):573-577. doi:10.1177/096032718300200401 ▪ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3326906/ 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 15
  • 16. Thank You! www.clinosol.com (India | Canada) 9121151622/623/624 info@clinosol.com 10/18/2022 www.clinosol.com | follow us on social media @clinosolresearch 16