vTv Therapeutics (VTVT) announced that the United States Food and Drug Administration has lifted the clinical hold on the cadisegliatin clinical program, which includes the CATT1 Phase 3 trial in type 1 diabetes. Cadisegliatin is an oral, liver-selective glucokinase activator that has been generally well tolerated in over 500 subjects to date with up to six months of treatment. vTv Therapeutics expects to resume the trial following submission of a protocol amendment to reduce the overall duration of the CATT1 trial from 12 months to 6 months, which will help to expedite the initiation of required larger pivotal studies for future New Drug Application submission. The original primary endpoint of ascertaining level 2 and 3 hypoglycemia rates at 6 months will not change. The planned amendment will not include the additional 6-month period to collect safety data. By shortening the trial from 12 to 6 months, the Company will be able to obtain topline data from the study more quickly. On July 26, 2024, vTv Therapeutics announced a clinical hold on the CATT1 Phase 3 trial based on the discovery of a chromatographic signal in a human absorption, distribution, metabolism, and excretion study of cadisegliatin that could not be resolved by standard mass spectroscopy. No patient had been dosed in the CATT1 trial at the time of the clinical hold, and past clinical studies did not reveal any clinically concerning safety issues. The clinical hold was lifted as of March 14, 2025, following submission of a complete response letter by vTv Therapeutics which concluded that the chromatographic signal was an experimental artifact.
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