An PKPD Lab

Welcome to

Research in our lab centers on pharmacokinetics, pharmacodynamics, and pharmacometrics. We aim to utilize these quantitative tools to optimize dose regimens in clinical practice, and to facilitate trial design and dose selection during drug development.

To students who are interested in PK/PD research

I am a faculty in the Pharmaceutics Program in the Department of Pharmaceutical Sciences and Experimental Therapeutics (PSET) at the College of Pharmacy, U of Iowa.

If you are interested in joining An PKPD Lab as a graduate student, Please contact me at guohua-an@uiowa.edu

To readers of my PK textbooks

All my single-author books are self-published via Amazon’s print on demand (POD). I make modifications whenever I find errors/typos in my books. So, all my books are "living books", and all changes/corrections I made can be found from the book revision history.

Service - PK/PD Analysis and Modeling

We welcome contracts/subcontracts on PK/PD Analysis and Modeling. Please contact Dr. An (guohua-an@uiowa.edu) if you want to discuss the scope of work and get a price quote.

An's Blog

Essentials in Clinical Pharmacokinetics - Hardcover version has been released

Monday, September 29, 2025

Recently, I released a hardcover version of my basic PK textbook. I ordered an author copy of the hardcover, and it arrived last week. It has much better paper quality than the paperback. I am happy that the material finally gets the best of care it deserves. Read more here..

A letter to readers of my advanced PK/PD book

Wednesday, September 3, 2025

When I approached Jusko for interview earlier this year, I told him that the advanced PK/PD book that I plan to write will be a course note style, and I anticipated that the readership of this book would be low. My guess was wrong. Click to read more...

Essentials in Clinical Pharmacokinetics - Book Revision History

Sunday, August 24, 2025

Errors were identified on page 60 (error in problem 8), page 71 (mismatched legend of Figure 4-5), and page 161 (error in Figure 8-5 title); these errors have been corrected on Aug 24, 2025. In addition, I added An PKPD Lab logo on page 2 and page 6 of the front matter. Clink here for the revision history table.

A Squirrel Story

Clint the Squirrel was brought to life by 5 PharmD students in May 2023, and has become the PharmD PK class mascot and the symbol of An PKPD Lab since then.

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