Navigation Links
New Critical Path Report Highlights Research Needed to Foster Generic Drug Development

The U.S. Food and Drug Administration (FDA) today issued the "Critical Path Opportunities for Generic Drugs" report identifying many of the unanswered scientific questions that impede the development of generic versions of commonly used drugs.

The report is part of FDA's Critical Path Initiative, established in 2004 to discern what challenges exist in moving a promising drug, biologic or device along the critical path from discovery, or proof of concept, to a marketable product. Solving these challenges will require the expertise and input of many groups, including scientists from universities, patient groups, government, industry, associations and other private organizations.

"This report pinpoints the barriers that are limiting the availability of additional generic drug options," said Gary Buehler, R.Ph., director, FDA's Office of Generic Drugs. "We hope these findings will encourage research collaboration, lower these barriers and accelerate access to safe and effective generic drugs."

Before they can be approved, generic drugs must have the same active ingredient, dosage form, strength, and conditions of use as the brand name drug. The drugs must also be absorbed at the same rate and in the same amount, a concept known as bioequivalence.

While straightforward tests of blood plasma levels are sufficient to demonstrate bioequivalence for most generic drug candidates, these common tests generally are not appropriate for certain drugs, including asthma inhalers, nasal sprays, and topical skin applications such as anti-fungal creams. As a result, few generic versions are available in these product categories, resulting in less competition and higher prices.

For example, generic drug products that contain the ozone-depleting substance chlorofluorocarbon will be withdrawn from the market after 2008. The new report will help ensure FDA has an adequate scientific basis to review inhaler applications tha t use an alternative, hydrofluoroalkane.

The report also calls for research on new bioequivalence methods tailor-made for each challenging drug class. These include lung function tests and molecular level imaging for inhalation drugs; particle size distribution tests for nasal sprays; and methods for direct measurement of drug delivered to the skin.

In addition, the report highlights possible research projects that might lead to new modeling and simulation tools for drug absorption, drug release and other drug development issues and to alternative methods for seeking waivers from clinical bioequivalence studies.

Last year FDA issued the Critical Path Opportunities Report listing 76 specific scientific projects that, if undertaken, would help modernize the Critical Path sciences. This companion document focuses more narrowly on the scientific challenges unique to the development of generic drugs.


Related medicine news :

1. Ultrasound Screening Could Improve The Outcome Of Critically ill Patients
2. Sleep Not Critical For Early Brain Development Of Baby Dolphins
3. Critically Ill Patients More At Risk Of Infection If Glucose Is Present In Their Lung Secretions
4. Dietary supplementation of Folic Acid Requires Critical Evaluation
5. Past President Narayanans Condition Still Critical
6. Critical Decisions Have To Be Taken By Mothers Of Premature Babies
7. Heart Transplant Twin Recovering, But Brother Critical
8. Australia In Search Of A Better Way to Handle Critically Ill Patients and Balance Elective Surgery
9. Yeast Genome Unravels Genes Critical For Maintaining DNA Integrity
10. Drug Trial Goes Foul, Six Volunteers Critically Ill
11. Sensory Input Necessary During "Critical Periods" Of Brain Development
Post Your Comments:

(Date:6/25/2016)... ... June 25, 2016 , ... On Friday, June 10, Van Mitchell, ... at Work award to iHire in recognition of their exemplary accomplishments in worksite health ... annual Maryland Workplace Health & Wellness Symposium at the BWI Marriott in Linthicum Heights. ...
(Date:6/24/2016)... ... June 24, 2016 , ... June 19, 2016 is World ... with chronic pain and the benefits of holistic treatments, Serenity Recovery Center ... with Sickle Cell Disease. , Sickle Cell Disease (SCD) is a disorder of the ...
(Date:6/24/2016)... , ... June 24, 2016 , ... ... offering micro-osteoperforation for accelerated orthodontic treatment. Dr. Cheng has extensive experience with all ... brackets , AcceleDent, and accelerated osteogenic orthodontics. , Micro-osteoperforation is a revolutionary ...
(Date:6/24/2016)... ... June 24, 2016 , ... EB Medicine presented ... in Emergency Medicine conference in Ponte Vedra Beach, FL. The awards honor the ... Emergency Medicine Practice and Pediatric Emergency Medicine Practice. , “With this award, ...
(Date:6/24/2016)... ... June 24, 2016 , ... National recruitment firm ... sciences executive with extensive sequencing and genomics experience, as Vice President of North American ... Hill will be responsible for leading the sales team in the commercialization of the ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... , June 24, 2016 The Academy ... of recommendations that would allow biopharmaceutical companies ... with entities that make formulary and coverage decisions, a ... "value" of new medicines. The recommendations address ... not appear on the drug label, a prohibition that ...
(Date:6/24/2016)... -- Research and Markets has announced the addition ... report to their offering. ... The World Market for Companion Diagnostics covers the world ... in the report includes the following: , ... by Region (N. America, EU, ROW), 2015-2020 , World ...
(Date:6/24/2016)... Belgium , June 24, 2016 ... the appointment of Dr. Edward Futcher ... Non-Executive Director, effective June 23, 2016.Dr. Futcher was ... Nominations and Governance Committees.  As a non-executive member ... independent expertise and strategic counsel to VolitionRx in ...
Breaking Medicine Technology: