Methods for medicinal dosage determination and diagnosis
First Claim
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1. A method for determining quantitative pharmacodynamic parameters for a pharmacologically active agent in a biological organism, the method comprising:
- a) administering to a biological organism a plurality of doses of the pharmacologically active agent, over a sufficiently brief time interval, wherein the response of the biological organism to the pharmacologically active agent does not return to baseline between doses;
b) collecting biological imaging data comprising the biological organism'"'"'s response to the plurality of doses of the pharmacologically active agent administered in a), in a single imaging session, over the sufficiently brief time interval; and
c) fitting predetermined pharmacokinetic-pharmacodynamic models to said imaging data to determine the quantitative pharmacodynamic parameters for said pharmacologically active agent comprising;
i) setting up fit parameters and choosing a fit method;
ii) computing best-fit parameters and their goodness of fit to the biological data using the selected fit method;
iii) computing the statistical significance of the best-fit parameters; and
iv) generating an output.
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Abstract
The present invention is directed to systems and methods for diagnosing tissue abnormality or diseases, determining effective drug dosages, and monitoring therapeutic drug treatments. The methods and systems described utilize tissue imaging in situ and computer modeling.
13 Citations
17 Claims
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1. A method for determining quantitative pharmacodynamic parameters for a pharmacologically active agent in a biological organism, the method comprising:
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a) administering to a biological organism a plurality of doses of the pharmacologically active agent, over a sufficiently brief time interval, wherein the response of the biological organism to the pharmacologically active agent does not return to baseline between doses; b) collecting biological imaging data comprising the biological organism'"'"'s response to the plurality of doses of the pharmacologically active agent administered in a), in a single imaging session, over the sufficiently brief time interval; and c) fitting predetermined pharmacokinetic-pharmacodynamic models to said imaging data to determine the quantitative pharmacodynamic parameters for said pharmacologically active agent comprising; i) setting up fit parameters and choosing a fit method; ii) computing best-fit parameters and their goodness of fit to the biological data using the selected fit method; iii) computing the statistical significance of the best-fit parameters; and iv) generating an output. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17)
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10. A method for quantitatively characterizing an organ'"'"'s response to a pharmaceutically active agent, comprising:
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a) administering to a biological organism a plurality of doses of a pharmacologically active agent, over a sufficiently brief time interval, wherein the response of the biological organism to the pharmacologically active agent does not return to baseline between doses, b) collecting non-stable quantitative biological imaging data comprising a response of the organ to the plurality of doses of the pharmacologically active agent administered in a), in a single imaging session, over the sufficiently brief time interval and, determining quantitative pharmacodynamics parameters for the pharmacologically active agent by fitting predetermined pharmacokinetic-pharmacodynamic models to the nonquantitative biological imaging data comprising; i) setting up fit parameters and choosing a fit method; ii) computing best-fit parameters and their goodness of fit to the biological data using the selected fit method; iii) computing the statistical significance of the best-fit parameters; and iv) generating an output. - View Dependent Claims (11)
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Specification