Antipsychotics Flashcards
What are the first generation antipsychotics?
-Phenothiazines
-Thioxanthenes
-Butyrophenones
What are the first generation antipsychotics of the phenothiazines class?
-Promethezine
-Chlorpromazine (Thorazine)*
-Prochorperazine (Compazine)
-Fluphenazine (Prolixin)
-Trifluoperazine (Stelazine)
-Perphenazine (Trilafon)
-Acetophenazine (Tindal)
-Carphenazine (Proketazine)
-Trifulpromazine (Vesperin)
-Mesoridazine (Serentil)
-Thioridazine (Mellaril)
What are the first generation antipsychotics of the thiozanthenes class?
-Thiothixene (Navene)
-Chlorprothixene (Taractan)
-Clopenthixol (Sordinol)
-Flupenthixol (Depixol)
-Zuclopenthixol (Acuphase)
-Thioxanthenes are similar to phenothiazines, where they are D2 antagonists, but they also have 5-HT, NE, H effects as well
What are the side effects of butyrophenones?
-There is a high incidence of EPS, particularly PD-like symptoms, dystonia, tardive dyskinesia*
What is loxapine (Loxitane)
-It has a similar structure to clozapine and has a high affinity for D2 and 5-HT receptors
-There is an inhaled version (Adasuve) that was approved by the FDA in 2012*
What is molindone (Moban)?
-Molindone has a similar structure to 5-HT and has a similar treatment profile to phenothiazines
-It is induces weight loss, which is an important advantage of traditional antipsychotics*
What is pimozide (Orap)?
-Primozide is used more for Tourette’s Syndrome in the USA
What is clozapine (Clozaril)?
-Clozapine is the first second generation antipsychotic and is still the model for antipsychotics*
-It also induces agranulocytosis which is low white blood cell count but it is reversible with the discontinuation of the drug. It requires constant monitoring
What is olanzapine (Zyprexa)
-Olanzapine is a second generation antipsychotic that reduces positive symptoms and improves negative symptoms*
What is Sertindole (Serlect)?
-Sertindole is a 5-HT2 antagonist (highest affinity) and a D2 antagonist
-It does not bind to H receptors so there is no sedative effects*
What is quetiapine (Seroquel)?
-Quetiapine is a second generation antipsychotic that effectively reduces positive symptoms
-Although it is abused more frequently than other antipsychotics, primarily due to sedative and anxiolytics effects*
What is ziprasidone (Geodon)
-Ziprasidone is a 5-HT2, D2 antagonist, 5-HT 1A partial agonist; 5-HT, NE reuptake inhibitor
-It has anxiolytic and antidepressant actions*
-It also has low weight gain*
What is amisulpiride (Solian)?
-Amisulpiride is a highly selective D2/D3 antagonist but only in the limbic system
-It has low diabetogenic effects*
Which of the following is NOT a negative symptom of schizophrenia?
Disorganized behavior
Phenothiazines are in the class of antipsychotics known as
First generation antipsychotics