So What Club

Pharma, biotech and medical devices

What are the odds for a drug entering trials?

Chance of moving to the next phase, all drugs, 2011 to 2020(percent)

Bar chart: Chance of moving to the next phase, all drugs, 2011 to 2020. Values in percent. Phase I to Phase II: 52; Phase II to Phase III: 28.9; Phase III to filing for approval: 57.8; Filing to approval: 90.6.

Source: BIO, Informa Pharma Intelligence and QLS Advisors, Clinical Development Success Rates 2011 to 2020. Rates differ a lot by disease area.

The prompt

Using the phase success rates in the chart above, what is the chance that a drug entering Phase I is approved, and the chance for a drug entering Phase II?

Before you reveal anything, plan your own structure and first move on paper. Then reveal one part at a time and compare.

Clarifying questions, with the interviewer's answers

Next case

Read the next worked case the same way: plan your own answer first, then reveal one part at a time.

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