Evaluating the Effects of Omeprazole on the Pharmacokinetics of XS004 (Dasatinib) Tablets in Healthy Adult Subjects Under Fasting Conditions

Inclusion Criteria: * Age: 18-60 years * Sex: Healthy adult males (sterile or using contraception) and females of non-childbearing potential * Clinical laboratory values should be within the laboratory's stated normal range. If not within this range, they must be without clinical significance, as determined by the Investigator * No clinically significant diseases captured in the medical history or evidence of clinically significant findings on the physical examination (including vital signs) and/or ECG, as determined by the Investigator * Any abnormalities/deviations from the acceptable range of medical history, laboratory values, ECG, and vital signs that might be considered clinically relevant by the study physician or Investigator will be evaluated as individual cases * Able to comply with study procedures, in the opinion of the Investigator(s) * Willing to give written consent, pregnancy outcome consent, and adhere to all the requirements of this protocol Exclusion Criteria: * Any major illness in the last three months or any significant ongoing chronic medical illness * Does not agree to consume the provided meals * Participation in any clinical trial 30 days prior to dosing * Positive results for drugs of abuse or alcohol breath analysis prior to dosing * Positive screening results to HIV Ag/Ab Combo, Hepatitis B surface Antigen, Hepatitis C Virus, or anti-HBc tests * Females currently breastfeeding, demonstrating a positive pregnancy screen, or using hormone replacement therapy within three months prior to dosing