# FDA Warning Letter: Anish S. Shah, M.D./Siyan Clinical Research
> 2023-12-26 · Center for Drug Evaluation and Research | CDER · `06b199daee7d8c26`
## Letter
- **Company:** Anish S. Shah, M.D./Siyan Clinical Research
- **Posted Date:** 2023-12-26
- **Letter Issue Date:** 2023-12-12
- **Issuing Office:** Center for Drug Evaluation and Research | CDER
## Subject
Clinical Investigator
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*