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In the latest of a series of warning letters to India-based API manufacturers, FDA issued a warning letter to Aspen for deviations in CGMP in the production of APIs.
FDA’s Center for Drug Evaluation and Research (CDER) issued a warning letter to India-based Aspen Biopharma Labs (Aspen) in March 2025 following its inspection of the company’s facility in Malakpet Village, Rangareddy, in Hyderabad, India. The inspection took place Sept. 16–21, 2024. According to the warning letter, FDA inspectors found significant deviations from current good manufacturing practice (CGMP) in the production of APIs (1).
“Because your methods, facilities, or controls for manufacturing, processing, packing, or holding do not conform to CGMP, your API are adulterated within the meaning of section 501(a)(2)(B) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. 351(a)(2)(B),” FDA stated in its March 5, 2025 letter (1).
Deviations found during the inspection include, but are not limited to:
FDA’s warning to Aspen is the latest in a series of warning letters the agency has issued this year to India-based API manufacturers. In February 2025, the agency separately issued warning letters to Jagsonpal Pharmaceuticals (Jagsonpal) and Tyche Industries (Tyche) regarding deviations from CGMP for APIs (2,3).
In the warning letter to Jagsonpal, FDA based its observations on an inspection conducted on March 20, March 27, and April 3, 2024 at the company’s facility in Bhiwadi Dist., Alwar, in Rajasthan, India. During its inspection, the agency observed a failure of the company’s quality unit to exercise its responsibility to ensure compliance with CGMP in the manufacture of the API produced at the company’s contract facility. In addition, the inspector was denied entry by persons present at the site upon arrival on March 15, 2024, only to be granted entry on March 20, 2024; however, during inspection, access to requested documents was limited. Finally, a (b)(4) drug was manufactured at an unregistered facility and was not listed by the company as required under Code of Federal Regulations (CFR)Title 21, Part 207.41(a) (4), which caused the (b)(4) drug to be misbranded under section 502(o) of the FD&C Act, 21 U.S.C. 352(o).
“[F]ailure to provide current listing information in accordance with 510(j) of the FD&C Act is prohibited under section 301(p) of the FD&C Act, 21 U.S.C. 331(p),” FDA stated in the letter (2).
Meanwhile, the warning letter to Tyche was based on an inspection conducted at this company’s Sarpavaram, Kakinada, India, manufacturing plant on Aug. 12–16, 2024. In this letter, the FDA inspector observed several deviations, including but not limited to:
1. FDA. Warning Letter: Aspen Biopharma Labs Private Limited. fda.gov, March 5, 2025 (accessed March 27, 2025).
2. FDA. Warning Letter: Jagsonpal Pharmaceuticals Limited. fda.gov, Feb. 5, 2025.
3. FDA. Warning Letter: Tyche Industries Ltd. fda.gov, Feb. 6, 2025.
4. CFR Title 21, 207.41(a) (Government Printing Office, Washington, DC), https://www.ecfr.gov/current/title-21/chapter-I/subchapter-C/part-207/subpart-D/section-207.41.