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Table 5 Integrating the PK modules and PD modules into QSP models

From: A quantitative systems pharmacology (QSP) model for Pneumocystis treatment in mice

Echinocandin effect on asci death

\( {\boldsymbol{v}}_{\boldsymbol{dAsci}}={\boldsymbol{k}}_{\boldsymbol{dAsci}}+{\boldsymbol{ME}}_{\boldsymbol{Echi}}\ast \frac{{\boldsymbol{Echi}}_{\boldsymbol{pla}}^{\boldsymbol{n}}}{{\boldsymbol{Echi}}_{\boldsymbol{pla}}^{\boldsymbol{n}}+\boldsymbol{Ec}{\mathbf{50}}_{\boldsymbol{Echi}}^{\boldsymbol{n}}} \)

Echinocandin effect on asci Formation

\( {\boldsymbol{v}}_{\boldsymbol{TA}}={\boldsymbol{k}}_{\boldsymbol{TA}}\ast \left(\mathbf{1}-\frac{{\boldsymbol{Echi}}_{\boldsymbol{pla}}^{\boldsymbol{n}}}{{\boldsymbol{Echi}}_{\boldsymbol{pla}}^{\boldsymbol{n}}+\boldsymbol{Ec}{\mathbf{50}}_{\boldsymbol{Echi}}^{\boldsymbol{n}}}\right) \)

Parameters

Echinocandin family member

Ec 50

ME

n

Anidulafungin

0.039 μg ∗ ml−1

0.42

1

Caspofungin

0.0007 μg ∗ ml−1

0.45

1

Micafungin

0.04 μg ∗ ml−1

0.1

1

TMP/SMX effect on asci death

\( {\boldsymbol{v}}_{\boldsymbol{dAsci}}={\boldsymbol{k}}_{\boldsymbol{dAsci}}+{\boldsymbol{ME}}_{\boldsymbol{Asci}}\ast \frac{{\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}}}{{\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}}+\boldsymbol{Ec}{\mathbf{50}}_{\boldsymbol{SMX}}^{\boldsymbol{n}}} \)

TMP/SMX effect on trophic proliferation

\( {\boldsymbol{v}}_{\boldsymbol{s}\boldsymbol{Tro}}={\boldsymbol{k}}_{\boldsymbol{s}}\ast \left(\mathbf{1}-\frac{{\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}}}{{\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}}+\boldsymbol{Ec}{\mathbf{50}}_{\boldsymbol{SMX}}^{\boldsymbol{n}}}\right) \)

TMP/SMX effect on trophic death

\( {\boldsymbol{v}}_{\boldsymbol{dTro}}={\boldsymbol{k}}_{\boldsymbol{dTro}}\ast \left(\mathbf{1}+{\boldsymbol{ME}}_{\boldsymbol{Tro}}\ast \frac{{\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}}}{{\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}}+\boldsymbol{Ec}{\mathbf{50}}_{\boldsymbol{SMX}}^{\boldsymbol{n}}}\right) \)

Delay in SMX effect

\( {\boldsymbol{SMX}}_{\boldsymbol{eff}}^{\boldsymbol{n}} \)= \( {\boldsymbol{SMX}}_{\boldsymbol{pla}}^{\boldsymbol{n}}\left(\boldsymbol{t}-\boldsymbol{\tau} \right) \)

Parameters

\( \boldsymbol{Ec}{\mathbf{50}}_{\boldsymbol{SMX}}^{\boldsymbol{n}} \)

MEAsci

METro

n

Ï„

0.2 μg ∗ ml−1

0.75

650

2

7 days