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Blog & Resources Camargo Blog May 23rd, 2018

505(b)(2) Strategy for Biotech Execs: Positioning Your Products for Success, Q&A Part 1

Earlier this month, Camargo President and Co-founder, Ken Phelps, held a webinar 505(b)(2) Strategy for Biotech Execs: Positioning Your Products for Success with Fierce Biotech. Because of the great questions asked by the many active participants, we are sharing the Q&A here with our brief answers, along with a link to access the recorded webinar, below.

505(b)(2) Strategy for Biotech Execs: Positioning Your Products for Success

Q&A: 505(b)(2) Strategy for Biotech Execs: Positioning Your Products for Success

  1. When is the right time to go for a pre-IND meeting? What is needed: an idea, some literature (non-clinical data from literature), and a proposed clinical development plan in place?

Before filing an IND, it is desirable (we counsel imperative) to have a pre-IND meeting with the FDA. The goal is to get the FDA’s concurrence with the proposed development plan and regulatory submission pathway. The steps for this meeting (known as a Type B meeting) can be found here, along with more information here.

  1. Could a 505(b)(2) also be a different dosage form?

Yes, definitely. There are numerous reasons why a Sponsor may wish to market a new dosage form of an approved product. Aside from the obvious financial benefits to the sponsor, providing a more convenient and/or faster-acting dosage form of a well-chosen drug provides significant benefits for patients.

More info: Improving NDA Approval Odds for New Dosage Forms of Approved Products

  1. What kind of published data does 505(b)(2) require? Is peer-reviewed research also possible to use in 505(b)(2)?

Peer-reviewed articles have a higher standard than anecdotal reports. Data sourced from the New England Journal of Medicine, etc., has a higher quality of data and is regarded as higher than more obscure journals which are not peer reviewed. The best source might be, with a new indication, 3 different articles by 3 different sets of authors, done at different times in different locations. When the data and results are similar in that situation, it makes for very strong data. Robustness is one thing the FDA views to make sure they come to the same conclusion.

  1. ****I want to pick up a drug dropped by a drug developer. Will I be liable for the accuracy of the drug’s public info the original drug developer generated?****

The word “liable” brings in a legal angle, and we are not legal experts, so I won’t address question of liability. If you are taking public info, there are ways to look at the veracity of that information. There are certain standards that we, and the FDA, use to look at for evaluation of that data. Yes, if you rely on that data, the FDA is also going to question the value of that data as well. Approval can be based on public information.

  1. Which studies are needed for a prodrug of a known active molecule? How can I make sure that my prodrug is a 505(b)(2)?

A more complete answer is on our website, link below. A prodrug of a currently approved drug depends on where the prodrug splits and activates. If the prodrug splits on the cell level, it becomes a 505(b)(1) program. If it splits in the stomach level, it becomes a 505(b)(2) and is a pharmacokinetic-based program.

More info: The Prodrug Benefit of Utilizing the 505(b)(2) Pathway

  1. Does Camargo provide manufacturer’s guidance/education on reimbursement considerations for a 505(b)(2) NDA vs innovator & current/potential ANDAs in the market?

Absolutely. Part of the considerations of our service is to look at the commercial, what is being developed for that therapeutic area, the current practice of medicine, the thought process of doctors and how the prescribing habits and disease states are changing, and the drugs given in conjunction with other drugs.

More info at this webinar: The Yin and Yang of Regulatory and Commercial Strategy for Execs: How Early Commercial Assessment Complements and Connects with Your 505(b)(2) Development

7. How many 505(b)(2) products has Camargo worked on? What is your experience with 505(b)(2)?

Great question. Camargo has worked on more than 1630 products in our 15 years (celebrated next month). We are very proud of our experience with 505(b)(2), especially with our teams always built of multidisciplinary experts for all aspects of drug development. We are very grateful for the opportunity to use our experience to help bring new needed medicines to patients in need with great partner-clients.

Next week’s blog will cover the remaining 10 questions from webinar 505(b)(2) Strategy for Biotech Execs: Positioning Your Products for Success, which ran live on May 9, 2018, with Fierce Biotech. Click here to gain direct access to the on-demand version of the hour-long webinar.

Further questions:

For questions about your specific product idea and / or 505(b)(2) drug development, or to schedule a meeting with us at BIO International Convention in Boston, June 4 – 7, please contact Camargo or email us.



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Camargo Pharmaceutical Services provides comprehensive drug development solutions, specializing in customized programs including the 505(b)(2) pathway.


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