clinical trial date calculator

Timeline estimator

Clinical Trial Date Calculator

Choose the expected first planning or study start date.
Site setup, approvals, contracts, and preparation time.

Timeline Summary

Estimated final completion date —
Total estimated duration —

Milestone dates

Start-up complete —
Recruitment complete —
Treatment complete —
Follow-up complete —
Analysis and reporting complete —

Selected inputs

Start date —
Entered phase lengths —

This calculator gives an educational planning estimate only. Actual trial timelines can change because of approvals, enrollment speed, protocol amendments, site readiness, data cleaning, and regulatory review.