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Melperone
Melperone (Bunil ( PT), Buronil ( AT, BE, CZ, DK, FI†, NL†, NO†, SE), Eunerpan ( DE)) is an atypical antipsychotic of the butyrophenone chemical class, making it structurally related to the typical antipsychotic haloperidol. It first entered clinical use in 1960s. Marketing and indications It has been tried in treatment-resistant cases of schizophrenia with some (albeit limited) success. It has also been reported effective in the treatment of L-DOPA and other forms of psychosis in Parkinson's disease (although a multicentre, double-blind, placebo-controlled study conducted in 2012 failed to support these findings). It is also known to possess anxiolytic properties. It is marketed in the following countries: * Austria * Czech Republic * Denmark * Estonia * Finland * Germany * Iceland * Lithuania * Latvia * Portugal * Sweden Adverse effects Melperone is reported to produce significantly less weight gain than clozapine and approximately as much weight gain as typical ...
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Atypical Antipsychotic
The atypical antipsychotics (AAP), also known as second generation antipsychotics (SGAs) and serotonin–dopamine antagonists (SDAs), are a group of antipsychotic drugs (antipsychotic drugs in general are also known as tranquilizers and neuroleptics, although the latter is usually reserved for the '' typical antipsychotics'') largely introduced after the 1970s and used to treat psychiatric conditions. Some atypical antipsychotics have received regulatory approval (e.g. by the FDA of the US, the TGA of Australia, the MHRA of the UK) for schizophrenia, bipolar disorder, irritability in autism, and as an adjunct in major depressive disorder. Both generations of medication tend to block receptors in the brain's dopamine pathways. Atypicals are less likely than haloperidol—the most widely used typical antipsychotic—to cause extrapyramidal motor control disabilities in patients such as unsteady Parkinson's disease–type movements, body rigidity, and involuntary ...
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Butyrophenone
Butyrophenone is an organic compound with the formula C6H5C(O)C3H7. It is a colorless liquid. The butyrophenone structure—a ketone flanked by a phenyl ring and a butyl chain—forms the basis for many other chemicals containing various substituents. Some of these butyrophenones are used to treat various psychiatric disorders such as schizophrenia, as well as acting as antiemetics. Examples of butyrophenone-derived pharmaceuticals include: * Benperidol‡‡ denotes drugs that are no longer (or were never to begin with) marketed in the United States. Some antipsychotics are not firmly placed in either first-generation or second-generation classes. (200 times more potent than chlorpromazine) * Bromperidol†† indicates drugs that are no longer (or were never) marketed in English-speaking countries. * Droperidol‡, Antiemetic for postoperative nausea and vomiting * Haloperidol, the most widely used classical antipsychotic drug in this class * Lumateperone, an atypical ant ...
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Intramuscular Injection
Intramuscular injection, often abbreviated IM, is the medical injection, injection of a substance into a muscle. In medicine, it is one of several methods for parenteral, parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous tissue, leading to faster absorption than subcutaneous injection, subcutaneous or intradermal injections. Medication administered via intramuscular injection is not subject to the first-pass metabolism effect which affects oral medications. Common sites for intramuscular injections include the deltoid muscle of the upper arm and the gluteal muscle of the buttock. In infants, the vastus lateralis muscle of the thigh is commonly used. The injection site must be cleaned before administering the injection, and the injection is then administered in a fast, darting motion to decrease the discomfort to the individual. The volume to be injected in the muscle is ...
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Parkinson's Disease
Parkinson's disease (PD), or simply Parkinson's, is a neurodegenerative disease primarily of the central nervous system, affecting both motor system, motor and non-motor systems. Symptoms typically develop gradually and non-motor issues become more prevalent as the disease progresses. The motor symptoms are collectively called parkinsonism and include tremors, bradykinesia, spasticity, rigidity as well as postural instability (i.e., difficulty maintaining balance). Non-motor symptoms develop later in the disease and include behavior change (individual), behavioral changes or mental disorder, neuropsychiatric problems such as sleep abnormalities, psychosis, anosmia, and mood swings. Most Parkinson's disease cases are idiopathic disease, idiopathic, though contributing factors have been identified. Pathophysiology involves progressive nerve cell death, degeneration of nerve cells in the substantia nigra, a midbrain region that provides dopamine to the basal ganglia, a system invo ...
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Dystonia
Dystonia is a neurology, neurological Hyperkinesia, hyperkinetic Movement disorders, movement disorder in which sustained or repetitive muscle contractions occur involuntarily, resulting in twisting and repetitive movements or abnormal fixed postures. The movements may resemble a tremor. Dystonia is often intensified or exacerbated by physical activity, and symptoms may progress into adjacent muscles. The disorder may be Heredity, hereditary or caused by other factors such as birth trauma (physical), birth-related or other Injury, physical trauma, infection, poisoning (e.g., lead poisoning) or reaction to Medication, pharmaceutical drugs, particularly Antipsychotic, neuroleptics, or stress. Treatment must be highly customized to the needs of the individual and may include oral medications, chemodenervation Botulinum toxin, botulinum neurotoxin injections, physical therapy, or other supportive therapies, and surgical procedures such as deep brain stimulation. Classification The ...
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Extrapyramidal Side Effects
Extrapyramidal symptoms (EPS) are symptoms that are archetypically associated with the extrapyramidal system of the brain's cerebral cortex. When such symptoms are caused by medications or other drugs, they are also known as extrapyramidal side effects (EPSE). The symptoms can be acute (short-term) or chronic (long-term). They include movement dysfunction such as dystonia (continuous spasms and muscle contractions), akathisia (may manifest as motor restlessness), parkinsonism characteristic symptoms such as rigidity, bradykinesia (slowness of movement), tremor, and tardive dyskinesia (irregular, jerky movements). Extrapyramidal symptoms are a reason why subjects drop out of clinical trials of antipsychotics; of the 213 (14.6%) subjects that dropped out of one of the largest clinical trials of antipsychotics (the CATIE trial linical Antipsychotic Trials for Intervention Effectiveness which included 1460 randomized subjects), 58 (27.2%) of those discontinuations were due to EP ...
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Hypersalivation
Hypersalivation or hypersialosis is the excessive production of saliva. It has also been defined as increased amount of saliva in the mouth, which may also be caused by decreased clearance of saliva.Medscape > HypersalivationBy Erica Brownfield. Posted: 05/19/2004 Hypersalivation can contribute to drooling if there is an inability to keep the mouth closed or difficulty in swallowing (dysphagia) the excess saliva, which can lead to excessive spitting. Hypersalivation also often precedes emesis (vomiting), where it accompanies nausea (a feeling of needing to vomit). Causes Excessive production Conditions that can cause saliva overproduction include: *Rabies *Pellagra (niacin or vitamin B3 deficiency) *Gastroesophageal reflux disease, in such cases specifically called a water brash (a loosely defined lay term), and is characterized by a sour fluid or almost tasteless saliva in the mouth *Gastroparesis (main symptoms are nausea, vomiting, and reflux) *Pregnancy * Fluoride therapy ...
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Thiothixene
Tiotixene, or thiothixene is a typical antipsychotic agent currently sold under the brand name Navane which is predominantly utilised to treat acute and chronic schizophrenia. Beyond its primary Indication (medicine), indication, it can exhibit a variety of effects common to neuroleptic drugs including anxiolytic, anti-depressive, and anti-aggressive properties. The drug was first synthesized and marketed in 1967 under the pharmaceutical company Pfizer. While the usage of the drug has declined in recent decades, the drug continues to be manufactured and prescribed in the US and Canada. Being a member of the thioxanthene class, it is chemically related to other typical neuroleptic agents such as chlorprothixene, clopenthixol, Flupentixol, flupenthixol, and zuclopenthixol. Tiotixene also shares structural similarities with thioproperazine and pipotiazine, which are members of the phenothiazine class. Medical uses Tiotixene is a widely used drug for the treatment of various ps ...
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Typical Antipsychotics
Typical antipsychotics (also known as major tranquilizers, and first generation antipsychotics) are a class of antipsychotic drugs first developed in the 1950s and used to treat psychosis (in particular, schizophrenia). Typical antipsychotics may also be used for the treatment of acute mania, agitation, and other conditions. The first typical antipsychotics to come into medical use were the phenothiazines, namely chlorpromazine which was discovered serendipitously. Another prominent grouping of antipsychotics are the butyrophenones, an example of which is haloperidol. The newer, second-generation antipsychotics, also known as atypical antipsychotics, have largely supplanted the use of typical antipsychotics as first-line agents due to the higher risk of movement disorders with typical antipsychotics. Both generations of medication tend to block receptors in the brain's dopamine pathways, but atypicals at the time of marketing were claimed to differ from typical antipsychoti ...
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Extrapyramidal Symptom
Extrapyramidal symptoms (EPS) are symptoms that are archetypically associated with the extrapyramidal system of the brain's cerebral cortex. When such symptoms are caused by medications or other drugs, they are also known as extrapyramidal side effects (EPSE). The symptoms can be acute (short-term) or chronic (long-term). They include movement dysfunction such as dystonia (continuous spasms and muscle contractions), akathisia (may manifest as motor restlessness), parkinsonism characteristic symptoms such as rigidity, bradykinesia (slowness of movement), tremor, and tardive dyskinesia (irregular, jerky movements). Extrapyramidal symptoms are a reason why subjects drop out of clinical trial Clinical trials are prospective biomedical or behavioral research studies on human subject research, human participants designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel v ...s of antipsychotics; of the 213 (14. ...
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Typical Antipsychotics
Typical antipsychotics (also known as major tranquilizers, and first generation antipsychotics) are a class of antipsychotic drugs first developed in the 1950s and used to treat psychosis (in particular, schizophrenia). Typical antipsychotics may also be used for the treatment of acute mania, agitation, and other conditions. The first typical antipsychotics to come into medical use were the phenothiazines, namely chlorpromazine which was discovered serendipitously. Another prominent grouping of antipsychotics are the butyrophenones, an example of which is haloperidol. The newer, second-generation antipsychotics, also known as atypical antipsychotics, have largely supplanted the use of typical antipsychotics as first-line agents due to the higher risk of movement disorders with typical antipsychotics. Both generations of medication tend to block receptors in the brain's dopamine pathways, but atypicals at the time of marketing were claimed to differ from typical antipsychoti ...
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Clozapine
Clozapine, sold under the brand name Clozaril among others, is a psychiatric medication and was the first atypical antipsychotic to be discovered. It is used primarily to treat people with schizophrenia and schizoaffective disorder who have had an inadequate response to two other antipsychotics, or who have been unable to tolerate other drugs due to extrapyramidal side effects. In the US, clozapine is also approved for use in people with recurrent suicidal behavior in people with schizophrenia or schizoaffective disorder. It is also used for the treatment of psychosis in Parkinson's disease. Clozapine is recommended by multiple international treatment guidelines, after resistance to two other antipsychotic medications, and is the only treatment likely to result in improvement if two (or one) other antipsychotic has not had a satisfactory effect. Long term follow-up studies from Finland show significant improvements in terms of overall mortality including from suicide and all ...
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