Linaclotide capsules are “minimally absorbed with negligible systemic availability following oral administration. Concentrations of linaclotide and its active metabolite in plasma are below the limit of quantitation after oral doses of 145 mcg or 290 mcg were administered. Therefore, standard pharmacokinetic parameters such as area under the curve (AUC), maximum concentration (Cmax), and half-life (t½) cannot be calculated.” Its site of action is locally in the bowel and intestines.
To all of our readers – Have a happy holiday season and a very happy, healthy, and prosperous New Year. The Lachman blog will be taking a break over the holiday starting Friday, December 21st (unless something extremely urgent occurs) and I hope that all of you will rejoin me in the New Year as we follow the ever-changing landscape of FDA regulatory science,
The Office of Generic Drugs has issued a guidance titled “Post-Complete Response Letter Meetings Between FDA and ANDA Applicants Under GDUFA” (here) that addresses OGD expectations, procedures for obtaining such meetings, and timeline for scheduling and having the meetings. As the FDA notes in the guidance: “FDA will only grant post-CRL meeting requests that pose questions to clarify identified deficiencies.
The FDA has updated and finalized its guidance “ANDA Submissions – Content and Format” (here). The 38-page document goes into even more detail than the previous drafts and provides expanded explanations for certain sections and requirements for documents.
There is advice for each eCTD section and even an expanded Cover Sheet format suggested in Appendix A of the document.