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Food intake does not significantly affect the absorption of ACP-204, a 5-HT2A receptor antagonist. This investigational drug was found to be safe and well-tolerated in healthy participants, regardless of meal consumption.

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Area of Science:

  • Pharmacology
  • Drug Development
  • Clinical Trials

Background:

  • ACP-204 is an investigational drug targeting 5-HT2A receptors.
  • Food-drug interactions can significantly impact drug pharmacokinetics (PK) and pharmacodynamics.
  • Evaluating food effects on ACP-204 PK and safety is crucial for its therapeutic application.

Purpose of the Study:

  • To assess the impact of food intake on the PK of ACP-204.
  • To evaluate the safety and tolerability of ACP-204 under fed and fasted conditions.
  • To determine bioequivalence of ACP-204 when administered with or without a high-fat meal.

Main Methods:

  • A phase 1, randomized, open-label, crossover study in healthy participants.
  • Administration of a single 60-mg oral dose of ACP-204 under fasted and high-fat meal conditions.
  • PK parameters (AUC, Cmax) analyzed using mixed effects models; safety assessed via adverse events and clinical monitoring.

Main Results:

  • The 90% CIs for AUC and Cmax ratios (fed/fasted) fell within bioequivalence limits (80%-125%).
  • Food intake had no significant effect on the extent of ACP-204 absorption but slightly delayed Tmax by ~3 hours.
  • ACP-204 was safe and well-tolerated; no serious adverse events were reported, and no safety differences were observed between fed and fasted states.

Conclusions:

  • ACP-204 demonstrates bioequivalence under fed and fasted conditions, indicating no meaningful food effect on absorption rate or extent.
  • A single 60-mg dose of ACP-204 is safe and generally well-tolerated in healthy individuals.
  • These findings support flexible dosing of ACP-204 with or without food.