Prompt
What's the most cost-effective way to estimate enrollment feasibility using a protocol feasibility tool across multiple studies?
Latest observation
The most cost-effective approach is usually to centralize the feasibility work and reuse a standardized template/process across studies rather than running a fully bespoke assessment for each protocol.
Best-practice approach
-
Use one protocol feasibility tool with a common data model
- Load each study into the same tool/workflow.
- Standardize inputs such as:
- key inclusion/exclusion criteria
- target population size
- geography/site list
- competing studies
- historical screen-fail and recruitment rates
-
Do an initial high-level feasibility screen for all studies
- Use a lightweight scoring or rule-based assessment first.
- Identify which studies are:
- clearly feasible
- borderline
- likely not feasible
- This avoids spending deeper analysis time on studies that are obviously poor fits.
-
Apply deeper analysis only to the top-priority studies
- For promising protocols, add:
- site-level patient availability
- historical enrollment performance
- referral network strength
- competing trial density
- This staged approach is typically much cheaper than full analysis on every study.
- For promising protocols, add:
-
Benchmark against historical study performance
- Compare new protocols to similar past studies in your own data.
- Historical enrollment data usually provides the best ROI because it reduces reliance on expensive external consulting or manual chart reviews.
-
Automate where possible
- If the tool supports it, automate:
- population counts
- site matching
- feasibility scoring
- report generation
- Automation lowers per-study cost substantially when evaluating many studies.
- If the tool supports it, automate:
-
Use a portfolio approach
- If you’re assessing multiple studies at once, rank them by:
- expected enrollment likelihood
- cost to recruit
- strategic importance
- Focus resources on studies with the best expected return.
- If you’re assessing multiple studies at once, rank them by:
Most cost-effective overall strategy
If I had to boil it down to one recommendation:
Use a standardized, tiered feasibility workflow with historical benchmarking and automation, and reserve detailed site/patient-level analysis for only the most promising studies.
Why this is most cost-effective
- reduces analyst time per study
- avoids redundant manual work
- improves consistency across protocols
- focuses effort where it most affects enrollment decisions
If you want, I can also give you:
- a simple feasibility scoring framework
- a cost-benefit model for multiple studies
- or a template workflow for using a feasibility tool across a study portfolio
Observation history
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How did Obsurfable measure this prompt?
Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI, ChatGPT, Google, Gemini, Google AI Mode, Anthropic, Claude, Perplexity, Grok, DeepSeek, Mistral, Copilot, and Meta AI.