The European Medicines Agency approved lurasidone for the treatment of schizophrenia for people aged 13 years and older, but not for bipolar disorder. In the United States, it is used to treat schizophrenia for people aged 13 years and older, as well as depressive episodes of bipolar disorder age 10 and over as a monotherapy, and conjunction with lithium or valproate in adults.
In July 2013, lurasidone received approval for bipolar I depression.
Few available atypical antipsychotics are known to possess antidepressant efficacy in bipolar disorder (with the notable exceptions being quetiapine,olanzapine and possibly asenapine) as a monotherapy, even though the majority of atypical antipsychotics are known to possess significant antimanic activity, which is yet to be clearly demonstrated for lurasidone.
In the early post approval period lurasidone-treated patients with bipolar disorder were retrospectively found to have more complex clinical profiles, comorbidities, and prior treatment history compared to patients initiated with other atypical antipsychotics. The study authors suggest this may be due to "the overall clinical profile of lurasidone, the role perceived for lurasidone in the therapeutic armamentarium by practitioners, and the recent introduction of lurasidone into clinical practice during the study period."
Lurasidone is not approved by the Food and Drug Administration (FDA) for the treatment of behavior disorders in older adults with dementia.
As with other atypical neuroleptics, lurasidone should be used with caution in the elderly because it puts them at an increased risk for a stroke or transient ischemic attack; however, these risks are not likely to be greater than those associated with antipsychotics of other classes. Similarly, lurasidone should not be used to treat dementia-related psychosis, as evidence has shown increased mortality with antipsychotic use.
Weight gain is reported in up to 15 and 16 percent of users. Side effects are e frequent vomiting, akathisia, dystonia, parkinsonism, somnolence, dizziness, sedation and nausea.
The British National Formulary recommends a gradual withdrawal when discontinuing antipsychotics to avoid acute withdrawal syndrome or rapid relapse. Symptoms of withdrawal commonly include nausea, vomiting, and loss of appetite. Other symptoms may include restlessness, increased sweating, and trouble sleeping. Less commonly there may be a feeling of the world spinning, numbness, or muscle pains. Symptoms generally resolve after a short period of time.
There is tentative evidence that discontinuation of antipsychotics can result in psychosis. It may also result in reoccurrence of the condition that is being treated. Rarely tardive dyskinesia can occur when the medication is stopped.
Blood plasma concentrations may be increased when combined with CYP3A4 inhibitors (e.g. ketoconazole, clarithromycin, ritonavir, and voriconazole) possibly leading to more side effects. This has been clinically verified for ketoconazole, which increases lurasidone exposure by a factor of 9, and is also expected for other 3A4 inhibitors such as grapefruit juice. Co-administration of CYP3A4 inducers like rifampicin, carbamazepine or St. John's wort can reduce plasma levels of lurasidone and its active metabolite, and consequently decrease the effects of the drug. For rifampicin, the reduction was sixfold in a study.
The main inactivation step by oxidative N-dealkylation produces the metabolites ID-11614 and ID-20219.
Lurasidone is taken by mouth and has an estimated absorption rate of 9 to 19%. Studies have shown that when lurasidone is taken with food, absorption increases about twofold. Peak blood plasma concentrations are reached after one to three hours. About 99% of the circulating substance are bound to plasma proteins. Efficacy data for lurasidone have been evaluated for doses of 20 mg to 120 mg daily
Lurasidone is extensively metabolised by CYP3A4 leading to contraindication of both strong inhibitors as well as strong inducers of this enzyme, but has negligible affinity to other cytochrome P450 enzymes. It is transported by P-glycoprotein and ABCG2 and also inhibits these carrier proteins in vitro. It also inhibits the solute carrier protein SLC22A1, but no other relevant transporters.
Main metabolism pathways are oxidative N-dealkylation between the piperazine and cyclohexane rings, hydroxylation of the norbornane ring, and S-oxidation.:59 Other pathways are hydroxylation of the cyclohexane ring and reductive cleavage of the isothiazole ring followed by S-methylation. The two relevant active metabolites are the norbornane hydroxylation products called ID-14283 and ID-14326, the former reaching pharmacologically relevant blood plasma concentrations. The two major inactive metabolites are the N-dealkylation products (the carboxylic acid ID-20219 and the piperazine ID-11614), and a norbornane hydroxylated derivative of ID-20219 (ID-20220). Of lurasidone and its metabolites circulating in the blood, the native drug makes up 11%, the main active metabolite 4%, and the inactive carboxylic acids 24% and 11%, respectively. Several dozen metabolites have been identified altogether.:59–61
In the US, because a number of doses have the same price per tablet, pill splitting has been used to decrease costs. In 2019 generic versions were approved in the United States; however, they will not be available until 2023.
In India, this drug is available under the brand names of Atlura, Lurace, Lurafic, Luramax (Sun Pharma), Lurasid, Lurastar, Latuda, Lurata and additionally as Alsiva, Emsidon, Lurakem, Luratrend, Tablura, and Unison.
Lurasidone was approved in the United States for the treatment of schizophrenia in October 2010 and for the treatment of depressive episodes associated with bipolar I disorder in June 2013. It received regulatory approval in the United Kingdom in September 2014. In October 2014, NHS Scotland advised use of lurasidone for schizophrenic adults who have not seen improvements with previous antipsychotics due to problems that arise from weight gain or changes in metabolic pathways when taking other medications. The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) issued a positive opinion for it in January 2014, and it was approved for medical use by the EMA in March 2014. It was launched in Canada for the treatment of schizophrenia in September 2012, Health Canada giving their Summary Basis of Decision (SBD) as favourable on 15 October 2012. European Commission has granted a marketing authorization for once-daily oral lurasidone for the treatment of schizophrenia in adults. It is approved for use in the EU.
Generic versions of lurasidone were approved for use in the United States in January 2019.
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