Archive for August, 2008

Modeling using Dissolution Data

Not only pharmacokineticists get to have fun in the modeling sandbox.  Chemists and formulators get to have their fun synthesizing data.  Let’s use an example of how dissolution data can be used for modeling.  The example is taken from a project to develop a oral modified release drug where the RLD is an immediate release [...]

Pk Modeling, not just any pretty face

We recently changed the navigation and look of our website (http://www.camargopharma.com/) to show that we are a full-service drug development company.  505(b)(2) drug development is so much more than just regulatory submissions!  I was asked to explain what the chart is on the pharmacokinetics services ‘page’:

The chart is a result of pharmacokinetic modeling.  Note the [...]

Residual Solvents - New FDA Draft Guidance

The USP established a new test requirement for control of residual solvents in finished dosage forms. The new test is in the General Chapter <467> “Residual Solvents”  [Sorry no link - password protected].  The test became official July 1, 2008.  In turn, on August 5, 2008 the FDA issued a draft guidance stating that all NDA and [...]

KV’s DESI Guaifenesin Trumped by Adam’s 505(b)(2) Product

Last week (7/30/2008) , FDA announced that it seized timed-release guaifenesin products from KV Pharmaceutical.  In 2002 the FDA determined this DESI product to be a safety hazard to children.  The manufacturers, including KV Pharmaceutical (Warning Letters: see page 23)  were told to stop manufacturing by November 2003 unless they received NDA approval.  Adams Respiratory Therapeutics obtained NDA [...]

$1,247,200 PDUFA Fees for FY 2009

FDA announced on August 1, 2008 the user fees for fiscal year 2009 (the U.S. government 2009 fiscal year start on October 1, 2008).  The fees are based on PDUFA IV approved last year.  The application fee for an application requiring clinical data is $1,247,200, for an application not requiring clinical data or a supplement [...]