【Destiny Pharma-Product XF-73】Positive update from US FDA on XF-73 Phase 3

Partner News

19th July, 2022 – Destiny Pharma issued an announcement, which is summarized as follows: 

Destiny Pharma announces it has received positive feedback from the US Food and Drug Administration (FDA) on the proposed XF-73 Nasal US Phase 3 study design and development programme.

The key points from the FDA’s feedback are:

  • The FDA agreed to the proposed Phase 3 design comparing XF-73 Nasal gel to placebo on top of standard of care for the prevention of post-surgical staphylococcal infections following certain breast surgery operations. This type of surgery is being proposed as patients can experience a relatively high infection rate following the current standard of care and there is a clear unmet medical need.
  • The FDA is open to the collection of microbiological data during the proposed Phase 3 study that could lead to the development of a surrogate marker for clinical efficacy in other types of surgery.
  • Based on the favourable safety profile from the clinical development programme so far, the FDA has confirmed that no specialised nasal examinations are needed in the Phase 3 study. In line with the above, the FDA has also removed the previous requirement to clinically evaluate skin sensitisation.
  • The regulatory feedback will enable Destiny Pharma to simplify the Phase 3 study design and is expected to shorten the overall clinical development programme in the US.

Based on the FDA’s feedback, Destiny Pharma is now focused on finalising the US study design and biostatistical analysis to clarify the final patient numbers required and the related costings and timeline. The Company is also exploring the possibility of designing a global Phase 3 clinical programme, likely to consist of two studies, that meets the requirements of both the FDA and European Medicines Agency (EMA) and a further update on this will be made in due course.

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