QSP

Neoadjuvant nivolumab tumor–immune dynamics

A reduced QSP model connecting nivolumab exposure and PD-1 checkpoint inhibition to effector and regulatory T-cell dynamics, tumor-cell burden, and tumor regression.

Explore and simulate
Therapeutic
Nivolumab
Target
PD-1 / PDCD1
Disease
Non-small cell lung cancer

Biological model

A reduced QSP model connecting nivolumab exposure and PD-1 checkpoint inhibition to effector and regulatory T-cell dynamics, tumor-cell burden, and tumor regression.

Biological schematic for Neoadjuvant nivolumab tumor–immune dynamics
Biology-first schematic of the model structure.

Model details

A reduced QSP model connecting nivolumab exposure and PD-1 checkpoint inhibition to effector and regulatory T-cell dynamics, tumor-cell burden, and tumor regression.

Modeled states

  • checkpoint complex moleculemolecule

    Modeled dynamic state for checkpoint complex molecule.

  • nivolumab central mgmg

    Modeled dynamic state for nivolumab central mg.

  • teff cellscell

    Modeled dynamic state for teff cells.

  • treg cellscell

    Modeled dynamic state for treg cells.

  • tumor cellscell

    Modeled dynamic state for tumor cells.

  • tumor diameter percentpercent

    Modeled dynamic state for tumor diameter percent.

  • tumor regression percentpercent

    Modeled dynamic state for tumor regression percent.

Key readouts

  • PD-1 blockadeunknown

    Model-derived readout for pd-1 blockade.

  • Effector T cellscell

    Model-derived readout for effector t cells.

  • Regulatory T cellscell

    Model-derived readout for regulatory t cells.

  • Tumor-cell burdencell

    Model-derived readout for tumor-cell burden.

  • Tumor diameter relative to baselineunknown

    Model-derived readout for tumor diameter relative to baseline.

Explore this model

Choose a starting point to view its result. Adjust key model inputs when you want to explore a different outcome.

Regimen-averaged neoadjuvant nivolumab input

Explore how a regimen-averaged nivolumab input rate changes PD-1 blockade, effector and regulatory T-cell balance, and tumor regression. The packaged equations use a continuous average input parameter; discrete infusion events are not executed by this reduced model. This is a mechanistic product exploration, not a paper-result reproduction.

Questions to explore

  • How does neoadjuvant PD-1 blockade propagate through T-cell balance to tumor regression?

Starting result

This result reflects the starting settings. Run your changes to update it.

This scenario result is temporarily unavailable.

Model inputs

Five scientist-facing controls at most.

Compare a parameter

How does one model input change the response?

How does neoadjuvant PD-1 blockade propagate through T-cell balance to tumor regression?

k elim nivo day

Model parameter controlling k elim nivo day.

Exploratory range around the default value.

5 evenly spaced values in 1/day. Other model inputs and the simulation window stay fixed.

Interpret with care

  • Interpret trajectories as deterministic model behavior, not as a patient-specific prediction or dosing recommendation.
  • Paper-result and exact-anchor checks remain in the private validation lane and are not part of this public scenario.

Review the server-confirmed fixed price before starting the comparison.

Comparative response

End-of-window response across the selected parameter values.

Choose an exploratory range around the default, review the fixed price, and run the comparison.

Scientific reference

Research-use model. Review assumptions and applicability before interpreting a run.

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UBI Biologics