A Multicenter, Randomized, Double-blind, Placebo-controlled Clinical Trial to Evaluate the Safety, Tolerability, Preliminary Efficacy and Pharmacokinetic Characteristics of Multiple Doses of LPM3770164 Sustained-release Tablets in Patients With Tardive Dyskinesia
This is a multicenter, randomized, double-blind, placebo-controlled parallel-group trial to evaluate the safety, tolerability, preliminary efficacy and PK characteristics of multiple doses of LPM3770164 sustained-release tablets in TD patients.
• Subject who voluntarily participate in and sign the informed consent form;
• Male or female subjects aged ≥ 18 years and \< 65 years;
• Body mass index (BMI) 18.5 \
⁃ 0 kg/m2 (including boundary value);
• Subjects with a past diagnosis of schizophrenia, schizoaffective disorder, bipolar and related disorders, depressive disorders based on medical history, and stable for at least 1 month;
• Subjects who have been diagnosed with medication-induced TD, and whose symptoms have lasted for at least 3 months according to the DSM-5; and TD is assessed as moderate or severe (AIMS Item 8 score ≥3);
• Medications for schizophrenia, schizoaffective disorder, bipolar and related disorders, depressive disorders and extrapyramidal reactions should be kept dose stable for at least 1 month (benzodiazepines should stable at least 14 days, Long-acting injection should stable for at least 3 months);
• Females of childbearing potential have a negative pregnancy test. Male and female patients of childbearing potential and their spouses/partners agree to not plan to become pregnant (including the plan for sperm and egg donation) and to use effective contraceptive measures throughout the study and for at least 1 month after the last dose of the study drug.