A Study to Assess the Relative Bioavailability of Oral Tavapadon in Healthy Adult Participants

A Phase 1, Two Part, Randomized, Single and Multiple Dose Crossover Study to Assess the Relative Bioavailability Between Tavapadon Clinical and Commercial Tablets

This study will assess the relative bioavailability of two different Oral formulations of tavapadon in healthy adult participants.

Inclusion Criteria:

• Body Mass Index (BMI) ≥ 18.0 to ≤ 32.0 kg/m^2 after rounding to the tenths decimal at the time of screening. BMI is calculated as weight in kg divided by the square of height measured in meters.

• A condition of general good health, based upon the results of a medical history, physical examination, vital signs, laboratory profile, and a 12-lead ECG

• Females, Non-Childbearing Potential due to meeting the following criteria:

  • Permanent sterility due to a hysterectomy, bilateral salpingectomy, bilateral oophorectomy.
  • Non-surgical permanent infertility due to Mullerian agenesis, androgen insensitivity, or gonadal dysgenesis; investigator discretion should be applied to determining study entry.
  • Postmenopausal female who is age ≤ 55 years with no menses for 12 or more months without an alternative medical cause AND a follicle-stimulating hormone (FSH) level ≥ 30 IU/L.

Exclusion Criteria:

• History of epilepsy, any clinically significant cardiac, respiratory (except mild asthma as a child), renal, hepatic, gastrointestinal, hematologic or psychiatric disease or disorder, or any uncontrolled medical illness.
• History of suicidal ideation within one year prior to study drug administration as evidenced by answering "yes" to questions 4 or 5 on the suicidal ideation portion of the Columbia-Suicide Severity rating scale (C-SSRS) completed at Screening, or any history of suicide attempts within the last two years.
• Use of tobacco- or nicotine-containing products within 90 days prior to the first dose of study treatment.