The Effective Statistician - in association with PSI

The Effective Statistician - in association with PSI

The Effective Statistician - in association with PSI

How to communicate results from adaptive studies simple, but still correct

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Why You Should Listen:

✔ You need clear, defensible language for papers, conferences, and labels when your study had interims and stopping rules.

✔ You’ll learn practical rules-of-thumb for when “naïve” estimates are okay—and when to adjust.

✔ You’ll hear what regulators typically focus on vs. what patients and clinicians actually want to know.

Episode Highlights:

02:00 – Why communicating adaptive results is hard (and how simple can still be correct)

04:14 – What bias are we actually interested in? Conditional vs. unconditional

07:20 – Consequences for point estimates and confidence intervals

09:15 – Ordering the sample space across stages; stage-wise ordering and p-values

12:23 – Median-unbiased estimation: what it is and when to use it

13:38 – Secondary endpoints, safety, and multiplicity strategies

16:13 – Estimation efficiency vs. unbiasedness: what should we optimize?

17:40 – Communicating to scientific vs. lay audiences

18:36 – Should we publish p-values for secondary endpoints in adaptive trials?

20:20 – No one-size-fits-all template—and why fairness matters across programs

20:30 – Pre-planning or bust: why post-hoc “fixes” don’t carry the properties we need

21:49 – Trust, reproducibility, and credible decision-making

23:16 – ICHE20: read it, comment, improve it

Links:

🔗 ICHE20 (Adaptive Clinical Trials) – draft guidance: worth reading for its perspective on estimation and communication.

🔗 The Effective Statistician Academy – I offer free and premium resources to help you become a more effective statistician.

🔗 Medical Data Leaders Community – Join my network of statisticians and data leaders to enhance your influencing skills.

🔗 My New Book: How to Be an Effective Statistician - Volume 1 – It’s packed with insights to help statisticians, data scientists, and quantitative professionals excel as leaders, collaborators, and change-makers in healthcare and medicine.

🔗 PSI (Statistical Community in Healthcare) – Access webinars, training, and networking opportunities.

Join the Conversation:
Did you find this episode helpful? Share it with your colleagues and let me know your thoughts! Connect with me on LinkedIn and be part of the discussion.

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About this podcast

The podcast from statisticians for statisticians to have a bigger impact at work. This podcast is set up in association with PSI - Promoting Statistical Insight. This podcast helps you to grow your leadership skills, learn about ongoing discussions in the scientific community, build you knowledge about the health sector and be more efficient at work. This podcast helps statisticians at all levels with and without management experience. It is targeted towards the health, but lots of topics will be important for the wider data scientists community.

by Alexander Schacht and Benjamin Piske, biometricians, statisticians and leaders in the pharma industry

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