Although torsade de pointes has not been observed in association with the use of ziprasidone in premarketing studies and experience is too limited to rule out an increased risk, there have been rare post-marketing reports (in the presence of multiple confounding factors) [see Adverse Reactions (6.2)]. Ziprasidone at a dose of 20 mg twice daily did not affect the pharmacokinetics of concomitantly administered oral contraceptives, ethinyl estradiol (0.03 mg) and levonorgestrel (0.15 mg). After a 3-day single-blind placebo run-in, subjects were randomized to one of 3 fixed doses of ziprasidone (20 mg, 40 mg, or 80 mg twice daily) or placebo and observed for relapse. Intravenous access should be established, and gastric lavage (after intubation, if patient is unconscious) and administration of activated charcoal together with a laxative should be considered. In clinical trials with oral ziprasidone, the electrocardiograms of 2/2988 (0.06%) patients who received GEODON and 1/440 (0.23%) patients who received placebo revealed QTc intervals exceeding the potentially clinically relevant threshold of 500 msec. Schizophrenia and bipolar I disorder are associated with increased adverse perinatal outcomes, including preterm birth. Patients with risk factors for diabetes mellitus (e.g., obesity, family history of diabetes) who are starting treatment with atypical antipsychotics should undergo fasting blood glucose testing at the beginning of treatment and periodically during treatment. Cardiovascular monitoring should commence immediately and should include continuous electrocardiographic monitoring to detect possible arrhythmias. A total of 584 subjects were treated in the open-label stabilization period. In addition, the Scale for Assessing Negative Symptoms (SANS) was employed for assessing negative symptoms in one trial. The results of the intramuscular ziprasidone trials follow: GEODON for Injection should be stored at 25C (77F); excursions permitted to 15C to 30C (59F to 86F) [see USP Controlled Room Temperature] in dry form. COMPATIBILITY OF DRUGS COMBINED IN A SYRINGE. In many cases this would lead to the conclusion that other drugs should be tried first. Pooled data from short-term, placebo-controlled studies in schizophrenia and bipolar disorder are presented in Tables 14. Undesirable alterations in lipids have been observed in patients treated with atypical antipsychotics. In the double-blind randomized phase, patients continued treatment with lithium or valproic acid and were randomized to receive either ziprasidone (administered twice daily totaling 80 mg to 160 mg per day) or placebo. When taking any two medications, consider this in addition to the fact that they have different mechanisms of action. A reaction was considered treatment emergent if it occurred for the first time or worsened while receiving therapy following baseline evaluation. Metabolism and Elimination: Ziprasidone is extensively metabolized after oral administration with only a small amount excreted in the urine (<1%) or feces (<4%) as unchanged drug. Dystonic symptoms include: spasm of the neck muscles, sometimes progressing to tightness of the throat, swallowing difficulty, difficulty breathing, and/or protrusion of the tongue. Patients who are started on diuretics during Ziprasidone therapy need periodic monitoring of serum potassium and magnesium. Ziprasidone was tested in the Ames bacterial mutation assay, the in vitro mammalian cell gene mutation mouse lymphoma assay, the in vitro chromosomal aberration assay in human lymphocytes, and the in vivo chromosomal aberration assay in mouse bone marrow. Common interactions include weight increased among females and dyspnoea among males. Atypical antipsychotic drugs have been associated with metabolic changes that may increase cardiovascular/cerebrovascular risk. Rare adverse reactions occurring in fewer than 1/1000 patients (<0.1% of patients). Ziprasidone is a medication that works in the brain to treat schizophrenia. Two meds that are Y site compatible may not necessarily be compatible mixed in an IM syringe. These patients include: (1) 4331 patients who participated in multiple-dose trials, predominantly in schizophrenia, representing approximately 1698 patient-years of exposure as of February 5, 2000; and (2) 472 patients who participated in bipolar mania trials representing approximately 133 patient-years of exposure. Some neonates recovered within hours or days without specific treatment; others required prolonged hospitalization. Dizziness which includes the adverse reaction terms dizziness and lightheadedness. A retrospective cohort study from a Medicaid database of 9258 women exposed to antipsychotics during pregnancy did not indicate an overall increased risk for major birth defects. Pooled data from short-term, placebo-controlled studies in schizophrenia and bipolar disorder are presented in Tables 58. Patients who develop symptoms of hyperglycemia during treatment with atypical antipsychotics should undergo fasting blood glucose testing. In a 4-week, placebo-controlled trial (n=139) comparing 2 fixed doses of ziprasidone (20 and 60 mg twice daily) with placebo, only the 60 mg dose was superior to placebo on the BPRS total score and the CGI severity score. The management of NMS should include: (1) immediate discontinuation of antipsychotic drugs and other drugs not essential to concurrent therapy; (2) intensive symptomatic treatment and medical monitoring; and (3) treatment of any concomitant serious medical problems for which specific treatments are available. Distributed by Drugs in Syringe Compatibility Y-Site Injection Compatibility (1:1 Mixture) Additionally, in some cases one brand of product may be compatible but another brand of drug is not. While the clinical trials did not reveal any tendency for drug-seeking behavior, these observations were not systematic and it is not possible to predict on the basis of this limited experience the extent to which ziprasidone will be misused, diverted, and/or abused once marketed. GEODON for Injection (ziprasidone mesylate) should only be administered by intramuscular injection and should not be administered intravenously. These medications may be given alone or in combination. Geodon and Benadryl can interact with each other, which can cause serious side effects. There is no known treatment for established cases of tardive dyskinesia, although the syndrome may remit, partially or completely, if antipsychotic treatment is withdrawn. Instruct patients to report the onset of any conditions that put them at risk for significant electrolyte disturbances, hypokalemia in particular, including but not limited to the initiation of diuretic therapy or prolonged diarrhea. Geodon Aspiration pneumonia is a common cause of morbidity and mortality in elderly patients, in particular those with advanced Alzheimer's dementia. The developmental no effect dose was 10 mg/kg/day (equivalent to the MRHD based on a mg/m2 body surface area). In male mice, there was no increase in incidence of tumors relative to controls. In the first phase of the study, the mean change in QTc from baseline was calculated for each drug, using a sample-based correction that removes the effect of heart rate on the QT interval. Distribution: Ziprasidone has a mean apparent volume of distribution of 1.5 L/kg. There is little potential for drug interactions with ziprasidone due to displacement [see Clinical Pharmacology (12.3)]. The estimated background risk of major birth defects and miscarriage for the indicated populations is unknown. In vitro studies using human liver microsomes and recombinant enzymes indicate that CYP3A4 is the major CYP contributing to the oxidative metabolism of ziprasidone. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. Additionally, population pharmacokinetic evaluation of patients in controlled trials has revealed no evidence of clinically significant age or gender-related differences in the pharmacokinetics of ziprasidone. Adverse reactions during exposure were obtained by collecting voluntarily reported adverse experiences, as well as results of physical examinations, vital signs, weights, laboratory analyses, ECGs, and results of ophthalmologic examinations. Prescriptions for ziprasidone should be written for the smallest quantity of capsules consistent with good patient management in order to reduce the risk of overdose. Consistent with in vitro results, a study in normal healthy volunteers showed that ziprasidone did not alter the metabolism of dextromethorphan, a CYP2D6 model substrate, to its major metabolite, dextrorphan. Each mL of ziprasidone mesylate for injection (when reconstituted) affords a colorless to pale pink solution that contains 20 mg of ziprasidone and 4.7 mg of methanesulfonic acid solubilized by 294 mg of sulfobutylether -cyclodextrin sodium (SBECD). In a 6-week, placebo-controlled trial (n=419) comparing 3 fixed doses of ziprasidone (20, 60, and 100 mg twice daily) with placebo, all three dose groups were superior to placebo on the PANSS total score, the BPRS total score, the BPRS psychosis cluster, and the CGI severity score. As ziprasidone is cleared substantially by the liver, the presence of hepatic impairment would be expected to increase the AUC of ziprasidone; a multiple-dose study at 20 mg twice daily for 5 days in subjects (n=13) with clinically significant (Childs-Pugh Class A and B) cirrhosis revealed an increase in AUC 012 of 13% and 34% in Childs-Pugh Class A and B, respectively, compared to a matched control group (n=14). An in vitro enzyme inhibition study utilizing human liver microsomes showed that ziprasidone had little inhibitory effect on CYP1A2, CYP2C9, CYP2C19, CYP2D6 and CYP3A4, and thus would not likely interfere with the metabolism of drugs primarily metabolized by these enzymes. All reported reactions are included except those already listed in Table 11 or elsewhere in labeling, those reaction terms that were so general as to be uninformative, reactions reported only once and that did not have a substantial probability of being acutely life-threatening, reactions that are part of the illness being treated or are otherwise common as background reactions, and reactions considered unlikely to be drug-related. Table 11 enumerates the incidence, rounded to the nearest percent, of treatment-emergent adverse reactions that occurred during acute therapy (up to 6 weeks) in predominantly patients with schizophrenia, including only those reactions that occurred in 2% or more of patients treated with ziprasidone and for which the incidence in patients treated with ziprasidone was greater than the incidence in placebo-treated patients. Anyone who finds an antipsychotic inadequate will most likely either never find any antipsychotic adequate or will find a different drug more helpful or more risk-effective tha. However, some patients may require treatment with ziprasidone despite the presence of the syndrome. Any patient treated with atypical antipsychotics should be monitored for symptoms of hyperglycemia including polydipsia, polyuria, polyphagia, and weakness. Infants exposed to GEODON should be monitored for excess sedation, irritability, poor feeding, and extrapyramidal symptoms (tremors and abnormal muscle movements). It is not recommended to mix benadryl and ativan in the same syringe as they are both central nervous system depressants. Clinical trials for intramuscular ziprasidone included 570 patients and/or normal subjects who received one or more injections of ziprasidone. dofetilide, sotalol, quinidine, other Class Ia and III anti-arrhythmics, mesoridazine, thioridazine, chlorpromazine, droperidol, pimozide, sparfloxacin, gatifloxacin, moxifloxacin, halofantrine, mefloquine, pentamidine, arsenic trioxide, levomethadyl acetate, dolasetron mesylate, probucol or tacrolimus. Reconstitution of vial: Using aseptic technique, add 1.2 mL of Sterile Water for Injection, USP to the single-dose vial and shake vigorously until all the drug is dissolved. But the LSD will likely not do anything on account of Geodon's high affinity blockade of the 5HT2a receptor. An additive effect of ziprasidone and other drugs that prolong the QT interval cannot be excluded. The efficacy of intramuscular ziprasidone in the management of agitated schizophrenic patients was established in two short-term, double-blind trials of schizophrenic subjects who were considered by the investigators to be "acutely agitated" and in need of IM antipsychotic medication. This possibility needs to be considered in deciding among alternative drug products [see Indications and Usage (1)]. Dosage form: injection, powder, lyophilized, for solution Geodon and Benadryl drug interactions - a phase IV clinical study of FDA data Summary: Drug interactions are reported among people who take Geodon and Benadryl. Dose Dependency of Adverse Reactions in Short-Term, Fixed-Dose, Placebo-Controlled Trials. The efficacy of ziprasidone as adjunctive therapy to lithium or valproate in the maintenance treatment of bipolar I disorder was established in a placebo-controlled trial in patients who met DSM-IV criteria for bipolar I disorder. Following reconstitution, GEODON for Injection can be stored, when protected from light, for up to 24 hours at 15C to 30C (59F to 86F) or up to 7 days refrigerated, 2C to 8C (36F to 46F). There is no general agreement about specific pharmacological treatment regimens for NMS. If signs and symptoms of tardive dyskinesia appear in a patient on ziprasidone, drug discontinuation should be considered. This effect may be greater when higher doses of carbamazepine are administered. While all of the drugs in the class have been shown to produce some metabolic changes, each drug has its own specific risk profile. The trial included patients whose most recent episode was manic or mixed, with or without psychotic features. Discontinue ziprasidone if DRESS is suspected. Four of the 5 trials were able to distinguish ziprasidone from placebo; one short-term study did not. Dosage modifications for age or gender are, therefore, not recommended. Hd\5@,T3!StR?~. 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