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Justify Sample Size Hike in FDC Trial of Zibotentan-Dapagliflozin, CDSCO Panel Tells AstraZeneca

New Delhi: Reviewing the amendment protocol of the AstraZeneca's fixed dose combination (FDC) Zibotentan plus Dapagliflozin, the Subject Expert Committee (SEC) functional under the Central Drug Standard Control Organisation (CDSCO) opined that the firm should submit more detailed justification for Increase the number of sample size from 1500 to1800 for further review.
This came after the firm presented protocol amendment version 2.0 dated 14 Feb 2025 protocol no. D4325C00010.
Zibotentan is an orally available selective antagonist of the endothelin-A (ET-A) receptor with potential antineoplastic activity. Zibotentan binds selectively to the ET-A receptor, thereby inhibiting endothelin-mediated mechanisms that promote tumor cell proliferation.
Dapagliflozin is in a class of medications called sodium-glucose co-transporter 2 (SGLT2) inhibitors. It lowers blood sugar by causing the kidneys to get rid of more glucose in the urine.
Dapagliflozin is used together with proper diet and exercise to treat type 2 diabetes. It works in the kidneys to prevent absorption of glucose (blood sugar). This helps lower the blood sugar level. Dapagliflozin does not help patients who have insulin-dependent or type 1 diabetes.
At the recent SEC meeting for Renal held on 20th May 2025, the expert panel reviewed the protocol amendment version 2.0 dated 14 Feb 2025 protocol no. D4325C00010.
After detailed deliberation, the committee opined that the firm shall submit more detailed justification for Increase the number of sample size from 1500 to1800 for further review by the committee.
Also Read: CDSCO Panel Clears Sanofi's Updated Myozyme Insert, Seeks Revision on Administration Guidance
Doctor of Pharmacy
Dr. Divya Colin, a Doctor of Pharmacy Graduate with extensive experience in clinical and hospital settings and confidently equipped with diagnostic and therapeutic skills. She also has spread out exposure to Oncology Departments in Mysore Medical College and Research Institute as Oncology Pharmacist. Currently she is building a career in clinical research and clinical data management. She has been a part of Medical Dialogue since January 2022.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751