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Presentation: Evaluating risk minimisation effectiveness: Where are we now?

TGA presentation: ARCS Scientific Congress Sydney, 11-12 May 2016

30 May 2016

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Presentation

  • Presented by: Elspeth Kay, Director, RMP Evaluation Section, Pharmacovigilance and Special Access Branch
  • Presented at: ARCS Scientific Congress Sydney
  • Presentation date: 11-12 May 2016
  • Presentation summary: Challenges of risk minimization activities and strategies for overcoming them with reference to emerging published literature and real-life examples

Transcript

Evaluating risk minimisation effectiveness

Elspeth Kay
Director, RMP Evaluation Section
Pharmacovigilance and Special Access Branch

ARCS Congress 2016

Slide 1 - Overview

  • Why is risk minimisation evaluation important?
  • What does TGA look for?
  • What has been the experience in Australia?
  • Where would we like to be?

Slide 2 - Why is evaluation important?

Have the risk minimisation activities worked? If not, why not?

Input: sponsor, regulator, experts, HCPs, consumers → Risk minimisation activities → HCP and/or consumer knowledge → Minimal occurrence of ADR

Slide 3 - Risk management cycle

Risk management cycle

  • Data Collection
    • monitor effectiveness and collect new data
  • Identify & analyse
    • risk quantification and benefit assessment
  • Evaluate
    • benefit risk balance and opportunities to increase and/or characterise
  • Select & plan
    • risk characterisation /minimisation and benefit maximisation techniques
  • Implement
    • risk minimisation /characterisation and benefit maximisation

Slide 4 - What does TGA look for?

In the evaluation plan

  • Is the evaluation plan well described in RMP/ASA?
  • Which parts of the program going to be evaluated and why?
  • Are the measures and timeframes clearly defined and appropriate?
  • Is the methodology suitable and feasible?
  • Has consideration been given to how success will be defined?

In the evaluation reports

  • Was the evaluation carried out as intended?
  • Is there a conclusion about whether the risk minimisation activity should change, continue as is, or cease?
  • Is the conclusion well supported by the information presented?

Slide 5 - Resources

  • EMA Guidelines on good pharmacovigilance practices Module XVI
  • CIOMS IX report: practical approaches to risk minimisation for medicinal products

Slide 6 - Risk minimisation evaluation framework

flow-chart

CIOMS IX risk minimisation evaluation framework

  • 1. Programme (go to step 2 or 3)
  • 2. Outcome indicators to evaluate the programme success (safety related outcome of interest).
    • Morbidity/mortality EP
    • Composite EP
    • Surrogate EP
    • Biomarker EP
    • (go to step 4)
  • 3. Single or several interventions (go to step 6)
  • 4. Programme successful?
    • Yes : Continue programme (or provide justification to discontinue)
    • No : Improve interventions or programme design based on process indicator feedback (go to step 5 or 6)
  • 5. Potential moderators
    • Comprehensiveness of strategy description
    • Strategies to facilitate implementation
    • Quality of delivery
    • Participant responsiveness
    • (go to step 6)
  • 6. Process indicators to evaluate implementation fidelity of each intervention
    • Content
    • Coverage
    • Frequency
    • Duration
    • (go to step 2)

Note: EP = endpoint. The 'CIOMS IX risk minimisation evaluation framework' outlines elements to be considered for the evaluation of a risk minimisation programme (modified from Carroll (25).

Slide 7 - RMPs evaluated for Type A applications in 2015

light blue area - No additional risk minimisation (n=24). light green area -  Additional risk min with no effectiveness measure (n=7). dark blue area - Health professional survey (n=6). purple area - Routine pharmacovigilance (n=1). orange area Patient registry (n=1)

Slide 8 - Common challenges

  • Evaluation plans not developed before registration
  • Description of evaluation lacking necessary detail
  • Poor response rates to surveys
  • Uncertainty about how to evaluate consumer-directed activities
  • Use of process indicators without consideration of outcome indicators

Slide 9 - Where would we like to be?

  • Clear and comprehensive description of evaluation plan
  • Consideration of a number of measures, not just knowledge and awareness
  • Use of outcomes data
  • Evaluation of consumer-directed activities
  • Well-justified goal for success
  • Sharing experience through publication/dissemination

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