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Model explorer

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The time machine's minimal compartmental model with cited physiological parameters, ported to run in the browser. Pick a compound, a predefined virtual population and a dose and schedule within the model's fixed bounds; the result is the spread of plasma concentrations over hundreds of virtual individuals.

Virtual population, for research. Not about any person and not a dose recommendation.

In silico and exploratory: a model output for teaching and research. It describes a simulated group, never someone's own body, and it says nothing about what anyone should take.

Inputs

Compound
Virtual population

The cited parameters from 12 young healthy volunteers (Faulkner 1986) with the cited spreads; the clearance spread is a judgement that already covers the older-versus-younger difference.

Simulated time: 48 hours.

There is no entry for body weight, age, kidney function or any other personal detail: the model describes a virtual population only.

How well the model matched published data for amlodipine

Borderline

Model peak 2.37-fold lower than published; area under the curve 1.39-fold lower.

Checked against one 10 mg dose in healthy volunteers (Soria-Chacartegui 2023); other doses and schedules are not checked.

Between 2- and 3-fold: read the shape and the spread, not the absolute numbers.

Result

amlodipine, Young healthy adults (Faulkner 1986): 500 virtual individuals.
Plasma concentration over time in the virtual population (ng/mL)
02.95.79012243648

Line: median of the virtual individuals. Shaded band: 5th to 95th percentile. There is no curve for any single person.

Show the numbers as a table
Plasma concentration over time in the virtual population (ng/mL)
HourP5MedianP95
0000
10.6381.483.27
21.372.714.78
31.873.285.35
42.123.595.67
52.283.715.65
62.393.765.78
72.443.755.75
82.413.715.66
92.413.665.61
102.43.65.47
112.373.555.32
122.363.485.25
132.333.415.12
142.283.334.96
152.233.264.8
162.193.24.71
172.143.134.6
182.13.074.52
192.073.014.47
202.032.954.34
211.992.884.23
221.942.824.14
231.882.774.05
241.822.713.98
251.82.663.89
261.742.63.8
271.692.553.72
281.652.53.64
291.622.453.57
301.592.383.51
311.552.333.44
321.512.293.38
331.482.253.31
341.432.23.25
351.392.163.22
361.332.113.18
371.32.073.15
381.272.033.08
391.2423.01
401.191.962.97
411.131.922.91
421.071.882.85
431.031.842.81
4411.82.78
450.9681.772.73
460.9351.742.7
470.9041.712.67
480.8741.672.64
  • Highest concentration in the simulated time: median 3.86 ng/mL, 90% of virtual individuals between 2.47 and 5.87 ng/mL.
  • Area under the curve of one dose: median 218 ng·h/mL, 90% of virtual individuals between 129 and 381 ng·h/mL.

No calibrated interval: the bands show the spread of the virtual population, not the model's error. Concentrations, peaks and areas are not validated against measured data beyond the one study above.

Virtual population, for research. Not about any person and not a dose recommendation.

In silico and exploratory: a model output for teaching and research. It describes a simulated group, never someone's own body, and it says nothing about what anyone should take.