Lumateperone Capsules, imported in 14 mg, 28 mg and 42 mg capsule form, is an antipsychotic drug that is indicated for the treatment of schizophrenia, bipolar disorder, depression, sleep and behavioral disturbance in dementia, autism and other neuropsychiatric disorders. In your letter, you stated clinical trials are ongoing for this product.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N306535