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About Biomedical Basics
Biomedical Basics are AI-generated explanations prepared with access to the complete collection, human-reviewed prior to publication. Short and simple, covering biomedical and life sciences fundamentals.
Topics Covered
- Drug development attrition rates
- Causes of attrition
- Translational gap preclinical vs human
- Costs of drug attrition
- Strategies to improve success rates
- Advances in oncology therapies
- Regulatory challenges and safety
Talk Citation
(2026, August 31). Drug development attrition [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved August 31, 2026, from https://doi.org/10.69645/BUUR2848.Export Citation (RIS)
Publication History
- Published on August 31, 2026
Financial Disclosures
A selection of talks on Pharmaceutical Sciences
Transcript
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0:00
In this talk, the focus is
drug development attrition,
highlighting how high
failure rates across
pre clinical and clinical phases
impact productivity,
costs, and innovation.
We will examine key
reasons for attrition,
such as efficacy, safety,
commercial barriers, and
the translational gap
between preclinical models
and human outcomes.
Strategies for improving
success will be discussed,
including robust
target validation,
use of biomarkers, and
collaboration among stakeholders.
Finally, we will look
at recent advances
in oncology drug development and
the evolving approaches to
overcome new safety and
regulatory challenges
associated with
innovative therapies.
We will explore
the critical issue
of attrition in
drug development.
Attrition is the loss of
drug candidates
during discovery,
pre clinical research
and clinical trials,
a process that is both
inevitable and challenging.
A 5,000 to 10,000 candidate
molecules assessed early,
often only one is approved.
High failure rates
diminish productivity and
contribute to a crisis in
pharmaceutical research
and development,
impacting innovation and
burdening organizations,
teams, and patients.
Attrition is a persistent
challenge at every phase.
During the preclinical phase,
out of thousands of
compounds synthesized,
only about 250 might
progress to animal studies.
Of these, only five to ten
compounds reach human trials,
and typically just one
or two are approved.
In clinical phases, attrition
becomes more costly.