Inclusion Criteria:  Subject eligibility is determined according to the following criteria prior to entry into the study:  In the investigator's opinion, the subject can understand and sign the Informed Consent Form and comply with all protocol requirements. The subject is a healthy male or female adult who is 18 to 55 years of age, inclusive at the time of ICF. Subject weighs at least 45 kg (99 lbs) and has a BMI between 18.0 and 32.0 kg/m2, inclusive at Screening.  A male subject who is nonsterilized* and sexually active with a female partner of childbearing potential* agrees to use adequate contraception* from signing the ICF throughout the study and for 12 weeks after the last dose.  *Definitions and acceptable methods of contraception are defined in Section 9.1.9 Contraception and Pregnancy Avoidance Procedure, and reporting responsibilities are defined in Section 9.1.10 Pregnancy.  A female subject of childbearing potential who complies with contraception requirements* or a female with no childbearing potential, defined as the subject has been surgically sterilized (hysterectomy, bilateral oophorectomy, or tubal ligation) or who are postmenopausal (defined as continuous amenorrhea of at least 2 years and FSH>40 IU/L).  Exclusion Criteria:Any subject who meets any of the following criteria will not qualify for entry into the study:  Subject has received any investigational compound within 30 days prior to the first dose of study medication or within 5 half-lives, whichever is greater. Subject is a study site employee or an immediate family member of a study site employee. Subject has evidence of CS neurologic, cardiovascular, pulmonary, hepatic, hematopoietic disease, renal, metabolic, gastrointestinal, urologic, immunologic, endocrine disease, serious allergy, full-body allergic skin rash (including hives), psychiatric disorder, or other abnormality that may impact the ability of the subject to participate or potentially confound the study results. There is any finding in the subject's medical history, physical examination, or safety laboratory tests giving reasonable suspicion of a disease that would contraindicate taking CVN766 or a similar drug in the same class or that might interfere with the conduct of the study Subject has a known hypersensitivity to any component of the formulation of CVN766. Subject has a positive urine result for drugs of abuse at Screening or Inpatient Check-in (Day -1). Subject has a history of drug abuse or a history of alcohol abuse (more than 14 units/week) within 1 year prior to the Screening Visit or is unwilling to agree to abstain from alcohol and drugs throughout the study. Subject has taken any excluded medication, supplements, or food products listed in the Excluded Medications and Dietary Products table as listed in Table 3: Excluded Medications and Dietary Products. Male subjects who do not agree to all the following rules: when sexually active with a female partner(s) of childbearing potential during the study, and for 12 weeks after the last dose of study drug: a) must use an acceptable method of birth control (condom or surgical sterilization) and b) refrain from sexual activity with female partners who do not use an acceptable method of birth control. Barrier contraception (condom) must be used by all-male subjects who were not surgically sterilized at least 90 days prior to screening. Male subjects must also agree to refrain from sperm donation during the study and until 12 weeks after the last dose of study drug.  Female subjects who are pregnant or breastfeeding or plan to become pregnant or donate ova during the study or 30 days after the last dose of the study drug. Women of childbearing potential must agree to practice an acceptable method of birth control (e.g., oral or parenteral contraceptives, intrauterine device, barrier, abstinence).  *Definitions and acceptable methods of contraception are defined in Section 9.1.9, Contraception and Pregnancy Avoidance Procedure, and reporting responsibilities are defined in Section 9.1.10, Pregnancy.  Subject has previously had a seizure or convulsion (lifetime, with the exception of febrile seizures), including absence seizure. Subject has current o recent (within 6 months) gastrointestinal disease that would be expected to influence the absorption of drugs (i.e., a history of malabsorption, any surgical intervention known to impact absorption [e.g., bariatric surgery or bowel resection], esophageal reflux, peptic ulcer disease, erosive esophagitis, or frequent [i.e., more than once per week] occurrence of heartburn). Subject has a history of cancer or other malignancy, except for basal cell carcinoma or squamous cell carcinoma that has been in remission for at least 3 years prior to Day 1. Subject has a positive test result for hepatitis B surface antigen (HBsAg), hepatitis C virus (HCV) antibody, or a human immunodeficiency virus infection at Screening. Subject who regularly use nicotine-containing products (including but not limited to cigarettes, electronic cigarettes, pipes, cigars, chewing tobacco, nicotine patch, or nicotine gum). Casual user may participate but must agree to refrain from the time of Screening for the duration of the study or a positive urine cotinine test at Inpatient Check-in (Day 1). Subject has poor peripheral venous access (defined as more than three failed attempts to cannulate. Subject has donated or lost 450 mL or more of their blood volume (including plasmapheresis) or had a transfusion of any blood product within 45 days prior to Day 1. Subject has an abnormal (CS) ECG at Screening or Inpatient Check-in (Day -1). Entry of any subject with an abnormal (NCS) ECG must be approved and documented by signature by the Investigator or medically qualified sub-investigator. Subject has a supine blood pressure outside the ranges of 90 to 140 mm Hg for systolic and 40 to 90 mm Hg for diastolic, confirmed with repeat per PI discretion, at the Screening Visit or Inpatient Check-in (Day -1). Subject has a resting heart rate outside the range of 40 to 100 bpm, confirmed with repeat per PI discretion, at the Screening Visit or Inpatient Check-in (Day -1). Subject has a QT interval with Fridericia's correction method (QTcF) >450 ms (males) or >470 ms (females) or PR outside the range of 120 to 220 ms, confirmed with one repeat testing at the Screening Visit or Inpatient Check-in (Day -1) Visit. Subject has abnormal Screening or Inpatient Check-in (Day -1) laboratory values that suggest a CS underlying disease or subject with the following lab abnormalities: ALT and/or AST >1.5 the ULN, confirmed with one repeat testing. Subject has a risk of suicide according to the investigator's clinical judgment or has made a suicide attempt in the previous 2 years.  7.3 Excluded Medications and Dietary Products  -