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To determine the safety and tolerability of ACP-104 after oral administration of single doses in comparison with placebo to schizophrenia or other psychotic disorders.
Full description
Thirty-six healthy patients with schizophrenia or psychotic disorders, each of whom will be drug-free at study initiation, will be admitted to the hospital and will each receive two doses of ACP-104, and one dose of placebo, orally every 3-5 days over a two-week period. The patients will be divided into six groups of up to six and minimum of 3 patients each. Group 1 will consist of six patients who will receive single 25mg and 50mg doses of ACP-104 and placebo in random, but rising dose, order over a two-week period. Data from group one will be collected to determine ACP-104's safety, tolerability, and pharmacokinetics. Group 2 will be enrolled in the study once study data from Group 1 has demonstrated the safety of ACP-104. Group 2 will receive a 25mg pre-conditioning dose of ACP-104. Following the pre-conditioning dose, 75mg and 100mg single doses of ACP-104 will be administered in random, but rising dose, order, over a two-week period. Group 3 will be enrolled in the study once study data from Group 2 has demonstrated the safety of ACP-104. Group 3 will receive a 25mg pre-conditioning dose of ACP-104. Following the pre-conditioning dose, 125mg and 150mg single doses of ACP-104 will be administered in random, but rising dose, order, over a two-week period. Group 4 will be enrolled in the study once study data from Group 3 has demonstrated the safety of ACP-104. Group 4 will receive a 25mg pre-conditioning dose of ACP-104. Following the pre-conditioning dose, 175mg and 200mg single doses of ACP-104 will be administered in random, but rising dose, order, over a two-week period. Group 5 will be enrolled in the study once study data from Group 4 has demonstrated the safety of ACP-104. Group 5 will receive a 25mg pre-conditioning dose of ACP-104. Following the pre-conditioning dose, 225mg and 250mg single doses of ACP-104 will be administered in random, but rising dose, order, over a two week period. Group 6 will be enrolled in the study once study data from Group 5 has demonstrated the safety of ACP-104. Group 6 will receive a 25mg pre-conditioning dose of ACP-104. Following the pre-conditioning dose, 275mg and 300mg single doses of ACP-104 will be administered in random, but rising dose, order, over a two-week period. Groups 1-6 will be monitored closely and safety procedures and evaluations will be performed on all medication days. Safety assessments will include: physical examinations, vital signs (3-positional blood pressure and pulse rate, respiration rate, and oral body temperature), clinical laboratory tests, ECGs (Electrocardiogram), coordination tests, questions about symptoms and side effects. Once all medication days have been completed, the condition of the patient will be assessed, and, at that time, it will be determined whether the patient's condition is suitable for release from the hospital or whether further monitoring of the patient's condition as an inpatient is needed.
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Inclusion criteria
Exclusion criteria
Any patient that has received clozapine within the last three months, or any depot antipsychotic within the last six months,
Likely allergy or insensitivity to ACP-104 or clozapine based on known allergies to drugs of the same class, or which in the opinion of the principle investigator, suggests an increased potential for an adverse hypersensitivity to ACP-104
Any prior history of drug-induced leukopenia or neutropenia,
Any prior history of neuroleptic malignant syndrome
History of seizure, epilepsy, severe head injury, multiple sclerosis, or other known neurological condition
Prior history of cardiovascular disease, including arrhythmia or myocarditis
Abnormal pre-admission vital signs or clinical laboratory evaluations
Any patient with a history, within the last three months, of alcohol and/or drug dependency or alcohol and/or drug abuse in the last month
History of hepatic or renal disease
Any patient scheduled to undergo any surgical procedure during the duration of the study,
Any patient taking any concurrent medications for a major medical illness
Any patient who has donated plasma or blood within 30 days before the first dose of study medication,
Any patient who has received any known hepatic or renal clearance altering agents (e.g., erythromycin, cimetidine, barbiturates, phenothiazines, etc.) for a period of 3 months before the first dose of study medication
Ingestion or use of any investigational medication or device within 3 months before the first dose of study medication
Acute illness within 5 days before the first dose of study medication
Mental capacity is limited to the extent that the patient cannot provide legal consent or understand information regarding the side effects or tolerance of the study drug
Any patient judged by the principal investigator to be inappropriate for the study.
45 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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