Skip to content
flowss
Start freeChecking your session
Gantt & critical path templates

Clinical Trial — Elapsed-Day Waiting Periods

Regulatory clocks do not pause for the weekend. Every waiting period here is written in calendar days (`30cd`), and the engine converts each one to working days from wherever its predecessor actually lands — so a submission that finishes on a Friday waits the same thirty days as one that finishes on a Tuesday, and the bars differ accordingly. Reports clean.

Gantt & critical pathProject & PlanningGantt & critical path syntax docs
Template previewGantt & critical path
Phase II — site activation — Gantt chart with critical path11 tasks; from 2026-03-02 to 2026-06-15, 76 working days; 5 on the critical path; every check ran and found nothing.Phase II — site activationMo 2 Mar 2026 → Mo 15 Jun 2026 · 76 working days · 106 calendar dayscritical path: proto → ethics → ewait → init → fpishorten first: proto (up to 15d) · init (up to 12d) · ethics (up to 4d)Mar 2026Apr 2026May 2026Jun 2026Jul 2026Aug 2026Sep 2026Oct 2026Nov 2026Dec…216301327112582262031731142812269237RegulatorySitesSupply▲ Protocol final15d · shorten → 15d▲ Ethics submission5d · shorten → 4d▲ Ethics review clock44d · shorten → 4dCompetent authority submission4d · float 14dAuthority review clock31d · float 14dSite feasibility20d · float 4dSite contracts25d · float 4d▲ Initiation visits12d · shorten → 12dLabel and pack18d · float 36dShip to depots7d · float 36d▲ First patient in2026-06-15First patient in 2026-12-18critical — zero floatnear-criticalhas floattotal floatmilestonenon-working daybaselineEvery check ran, and none of them found anything.·Mo 2 Mar 2026 to Mo 15 Jun 2026 — 76 working days across 106 calendar days, on a Mo–Fr week·one critical path, through 5 tasks — shortening any one of them shortens the project, up to the point another path becomes binding·to finish sooner, shorten `proto` by up to 15 working days (the whole task); `init` by up to 12 working days (the whole task); `ethics` by up to 4 working days (then the next-longest path becomes binding).Anything beyond those figures moves nothing — the gain from taking δ days off a task is min(δ, the figure above), and it is zero for every critical task not listed here.✓the deadline of 2026-12-18 (First patient in) is met with 134 working days to spare

Make it your own.

title "Phase II — site activation"
start 2026-03-02
calendar mon-fri
deadline 2026-12-18 "First patient in"

section "Regulatory"
  task proto  "Protocol final" 15d
  task ethics "Ethics submission" 5d after proto
  task ewait  "Ethics review clock" 60cd after ethics
  task ca     "Competent authority submission" 4d after proto
  task cawait "Authority review clock" 45cd after ca

section "Sites"
  task feas   "Site feasibility" 20d after proto
  task contr  "Site contracts" 25d after feas
  task init   "Initiation visits" 12d after ewait, cawait, contr

section "Supply"
  task label  "Label and pack" 18d after proto
  task ship   "Ship to depots" 10cd after label
  milestone fpi "First patient in" after init, ship