And we can talk about​

High Quality RWE.

Deepening in the process:

01 - Viability study.

Description:

Ensure that the key variables selected for the study are in the EMRs.

Task involved:

  • Concept Sheet.
  • Technical/technological viability.
  • Viability Study report.

Objectives:

  • Fit-for-purpose study design.
  • Transparent protocol development.

Exemplar:

02 - Study definition.

Description:

Protocol and SAP/PAP (Statistical Analysis Plan) documentation preparation. 

Task involved:

  • Multidisciplinary study team created.
  • External and internal project kick off meeting.
  • Deep background literature review.
  • Study population and main clinical variables refined.
  • Observational, Predictive and Exploratory design and planning.
  • Protocol/SAP development.

Objectives:

  • Sites selection.
  • Data Science team and Clinical/Research team alignment.
  • Final SAP and PAP documentation.

03 - NLP Execution.

Description:

Evaluation of the quantity and quality of data for NLP development.

Task involved:

  • Internal validation.
  • Data-driven quality assessment and quality checks across the complete research study process.
  • Specific ML/NLP Models training and improvement.
  • NLP Processing of population documentation.

Objectives:

  • Determining ‘data quality’ of RWD.
  • Fit-for-purpose NLP.
  • Construction of study data base.

03.1 - Data-driven quality assessment:

Summary statistics for:

  • Population demographics.
  • Study key variables.

Objectives:

  • To guarantee data quality to answer objectives.
  • To adapt analysis strategy:
    • Missing values.
    • Data source heterogeneity.
    • Adjust population selection criteria.
  • To implement contingency strategies where needed.

03.2 - Fit-for-purpose NLP

Fit-for-purpose NLP models are built based on the objectives of the study.

Advanced NLP goes beyond codifying or one-time extraction of variables from text. It requires a deep clinical understanding of how EHRs are populated and what inferences need to be made to extract knowledge from each situation and for a given purpose.

 

This is unique to Savana's methodology.

This is unique to Savana's methodology.

Task involved

  • Data assessment by clinical experts.
  • Scientific inferences to build ad-hoc models.
  • Creating a structured database for each study
  • NLP model external validation.

Objectives

  • Developing ‘fit-for-purpose’ NLP models.
  • Evaluating ‘NLP models quality’.

04 - External evaluation.

Description:

Within the selected and approved sites, we evaluate them and SM4RS launch. 

Task involved:

  • All PIs and sites involved.
  • SM4RS Launched.
  • PIs annotation using SAVANA Evaluation Tool.

Objectives:

  • NLP models quality evaluation.

04.1 - External Evaluation Methodology:

04.2 - Evaluation of the NLP system:

05 - Data analysis.

Description:

Descriptive and predictive data analysis.

Task involved:

  • Definition of the study objectives.
  • Tailored clinical analysis.
  • Traditional and AI-based analytics
  • Complex variables definition.

Objectives:

  • Predictive, observational and exploratory models built.
  • Early results presented.

06 - Study report creation.

Description:

Results analysis evaluation.

Task involved:

  • Evaluation of study results.
  • Compare and contextualize study results with previous publish data.
  • Discuss study results with sponsor and study medical committee.

Objectives:

  • Final report writing.
  • Interpretation and results presented.

07 - Final report study.

Description:

Manuscripts development.

Exemplar:

Clinical characteristics and prognostic factors for ICU admission of patients with covid-19: Retrospective Study Using Machine Learning and Natural Language Processing.

Clinical Management of COPD in a Real-World Setting. A Big Data Analysis.

Generate deeper and more agile clinical evidence, thanks to the use of AI

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