PANTHEON: reconstructed Kaplan–Meier curves
Sequential therapy of refractory metastatic pancreatic cancer with 5-FU/LV/irinotecan (FOLFIRI) vs. 5-FU/LV/oxaliplatin (OFF). The PANTHEON trial (AIO PAK 0116). Curves rebuilt as patient-level data (Guyot 2012) and checked against the statistics printed on the figure.
| Publication | J Cancer Res Clin Oncol. 2024 Jul 1;150(7):332. doi: 10.1007/s00432-024-05827-x |
|---|---|
| DOI | 10.1007/s00432-024-05827-x |
| Registry | — |
| Phase | — |
| Conditions | — |
| Interventions | — |
| Sponsor | — |
| Enrolment | — |
| Source licence | Figure published under CC BY 4.0 |
Progression-free survival of second-line therapy (primary endpoint) — Full analysis set
From figure panel a · validated against the values printed on the figure · curve source: vision model
Reconstructed from the published curve. Median: FOLFIRI 2.5 months; OFF 2.4 months. Survival at 6 months: FOLFIRI 16%; OFF 10%. Hazard ratio FOLFIRI vs OFF 0.83 (95% CI 0.47–1.48).
| Arm | N | Events | Median (Months) |
|---|---|---|---|
| FOLFIRI | 37 | 37 | 2.5 |
| OFF | 23 | 18 | 2.4 |
- FOLFIRI vs OFF: reconstructed HR 0.83 (95% CI 0.47–1.48)
Landmark survival (reconstructed)
| Time | FOLFIRI | OFF |
|---|---|---|
| 3 mo | 32.4% | 15.6% |
| 6 mo | 16.2% | 10.4% |
| 9 mo | 5.4% | — |
| 12 mo | 2.7% | — |
Checks against the published figure
- FOLFIRI median: printed 2.4, reconstructed 2.45 pass
- OFF median: printed 2.4, reconstructed 2.42 pass
- FOLFIRI events: printed 37, reconstructed 37 pass
- FOLFIRI n: printed 37, reconstructed 37 pass
- OFF events: printed 18, reconstructed 18 pass
- OFF n: printed 23, reconstructed 23 pass
- hazard ratio (direction inferred): printed 0.8, reconstructed 0.83 pass
Progression-free survival of third-line therapy — Full analysis set (patients receiving third-line therapy)
From figure panel b · validated against the values printed on the figure · curve source: pixel measurement confirmed by vision model
Reconstructed from the published curve. Median: OFF(after FOLFIRI) 2.0 months; FOLFIRI (after OFF) 2.0 months. Survival at 2 months: OFF(after FOLFIRI) 50%; FOLFIRI (after OFF) 50%. Hazard ratio OFF(after FOLFIRI) vs FOLFIRI (after OFF) 0.71 (95% CI 0.32–1.58).
| Arm | N | Events | Median (Months) |
|---|---|---|---|
| OFF(after FOLFIRI) | 18 | 17 | 2.0 |
| FOLFIRI (after OFF) | 10 | 10 | 2.0 |
- OFF(after FOLFIRI) vs FOLFIRI (after OFF): reconstructed HR 0.71 (95% CI 0.32–1.58)
Landmark survival (reconstructed)
| Time | OFF(after FOLFIRI) | FOLFIRI (after OFF) |
|---|---|---|
| 2 mo | 50.0% | 50.0% |
| 4 mo | 11.1% | 10.0% |
| 6 mo | 5.6% | — |
Checks against the published figure
- OFF(after FOLFIRI) median: printed 2, reconstructed 1.97 pass
- FOLFIRI (after OFF) median: printed 2, reconstructed 1.97 pass
- OFF(after FOLFIRI) events: printed 18, reconstructed 17 pass
- OFF(after FOLFIRI) n: printed 18, reconstructed 18 pass
- FOLFIRI (after OFF) events: printed 10, reconstructed 10 pass
- FOLFIRI (after OFF) n: printed 10, reconstructed 10 pass
- hazard ratio (direction inferred): printed 0.71, reconstructed 0.711 pass
Time to failure of strategy — Full analysis set
From figure panel c · validated against the values printed on the figure · curve source: pixel measurement confirmed by vision model
Reconstructed from the published curve. Median: FOLFIRI 4.5 months; OFF 4.1 months. Survival at 6 months: FOLFIRI 27%; OFF 17%. Hazard ratio FOLFIRI vs OFF 0.74 (95% CI 0.43–1.27).
| Arm | N | Events | Median (Months) |
|---|---|---|---|
| FOLFIRI | 37 | 36 | 4.5 |
| OFF | 23 | 22 | 4.1 |
- FOLFIRI vs OFF: reconstructed HR 0.74 (95% CI 0.43–1.27)
Landmark survival (reconstructed)
| Time | FOLFIRI | OFF |
|---|---|---|
| 3 mo | 62.2% | 56.5% |
| 6 mo | 27.0% | 17.4% |
| 9 mo | 18.9% | 4.3% |
| 12 mo | 2.7% | — |
Checks against the published figure
- FOLFIRI median: printed 4.5, reconstructed 4.51 pass
- OFF median: printed 4.1, reconstructed 4.05 pass
- FOLFIRI events: printed 37, reconstructed 36 pass
- FOLFIRI n: printed 37, reconstructed 37 pass
- OFF events: printed 23, reconstructed 22 pass
- OFF n: printed 23, reconstructed 23 pass
- hazard ratio (direction inferred): printed 0.7, reconstructed 0.736 pass
Overall survival from start of study — Full analysis set
From figure panel d · validated against the values printed on the figure · curve source: vision model
Reconstructed from the published curve. Median: FOLFIRI 5.9 months; OFF 6.2 months. Survival at 6 months: FOLFIRI 48%; OFF 50%. Hazard ratio FOLFIRI vs OFF 0.93 (95% CI 0.53–1.64).
| Arm | N | Events | Median (Months) |
|---|---|---|---|
| FOLFIRI | 37 | 33 | 5.9 |
| OFF | 23 | 20 | 6.2 |
- FOLFIRI vs OFF: reconstructed HR 0.93 (95% CI 0.53–1.64)
Landmark survival (reconstructed)
| Time | FOLFIRI | OFF |
|---|---|---|
| 6 mo | 48.1% | 50.2% |
| 12 mo | 21.0% | 10.4% |
| 18 mo | — | 5.2% |
Checks against the published figure
- FOLFIRI median: printed 5.9, reconstructed 5.86 pass
- OFF median: printed 5.9, reconstructed 6.18 pass
- FOLFIRI events: printed 33, reconstructed 33 pass
- FOLFIRI n: printed 37, reconstructed 37 pass
- OFF events: printed 20, reconstructed 20 pass
- OFF n: printed 23, reconstructed 23 pass
- hazard ratio (direction inferred): printed 0.95, reconstructed 0.935 pass
About these data
Pseudo-IPD reproduces the published curves and numbers at risk; the rows are not real patients. Cite the publication (DOI above) and TrialCurve. The source figure is © the authors (CC BY 4.0); the charts here are redrawn from the reconstruction.
Load these data in R or Python
# R
library(survival)
d <- read.csv("https://trialcurve.com/data/trials/pantheon-1.csv")
survfit(Surv(time, event) ~ arm, data = d)
coxph(Surv(time, event) ~ arm, data = d)
# Python
import pandas as pd
from lifelines import KaplanMeierFitter
d = pd.read_csv("https://trialcurve.com/data/trials/pantheon-1.csv")
for arm, g in d.groupby("arm"):
KaplanMeierFitter().fit(g.time, g.event, label=arm).plot_survival_function()
Suggested citation: J Cancer Res Clin Oncol. 2024 Jul 1;150(7):332. doi: 10.1007/s00432-024-05827-x doi:10.1007/s00432-024-05827-x. Reconstructed data: TrialCurve (2026), https://trialcurve.com/trials/pantheon
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