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Flow metrics (CFD) templates

CFD — Clinical Trial Site Activation

Fourteen months of site activation for a multicentre phase III oncology trial, where identification outruns activation by 31 sites and the feasibility band widens for ten consecutive months.

Template previewFlow metrics (CFD)
Phase III oncology trial — site activation050100150cumulative sitesIdentified growingFeasibility growingContracting growing2025-03-012025-05-012025-07-012025-09-012025-11-012026-01-012026-03-012026-04-01Identified (queue)FeasibilityContracting (queue)Ethics approvedActivatedWIP46 sitescommitted at FeasibilityTHROUGHPUT1 / week0.15 sites/dayCYCLE TIME ≈314.1 daysLittle's Law: WIP ÷ throughputLEAD TIME ≈457.4 daysall 67 sites in systemFLOW EFFICIENCY76%35 active · 11 waitingDELIVERY TREND→ 7%steady · 60 doneStageTypeWIP (sites)LimitTime (days)Identifiedwaiting21—143.4Feasibilityactive27—184.3Contractingwaiting11—75.1Ethics approvedactive8—54.6Activateddone60——!Queue growth: Identified widened for 3 straight periods (2025-03-01 → 2025-06-01, +3 sites)!WIP growth: Feasibility widened for 10 straight periods (2025-06-01 → 2026-04-01, +13 sites)!Queue growth: Contracting widened for 5 straight periods (2025-03-01 → 2025-08-01, +6 sites)!WIP growth: Ethics approved widened for 3 straight periods (2025-03-01 → 2025-06-01, +3 sites)!Arrivals outran deliveries by 31 sites across the window

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title "Phase III oncology trial — site activation"
unit sites
stages: Identified*, Feasibility, Contracting*, Ethics approved, Activated
commit Feasibility

// Monthly snapshots. Feasibility is the commitment point: a site the study
// team has not accepted is a prospect, not work in progress.
2025-03-01 |  38,  22,  12,   6,   2
2025-04-01 |  47,  30,  18,  11,   6
2025-05-01 |  56,  38,  24,  16,  10
2025-06-01 |  64,  45,  31,  21,  14
2025-07-01 |  71,  52,  37,  26,  19
2025-08-01 |  79,  59,  43,  31,  23
2025-09-01 |  86,  66,  48,  36,  28
2025-10-01 |  93,  72,  53,  41,  33
2025-11-01 |  99,  78,  58,  46,  38
2025-12-01 | 104,  83,  62,  50,  42
2026-01-01 | 110,  89,  66,  55,  47
2026-02-01 | 116,  95,  70,  59,  51
2026-03-01 | 121, 100,  74,  63,  55
2026-04-01 | 127, 106,  79,  68,  60