catechol/vomiting

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Genetic Contribution of Catechol-O-methyltransferase Polymorphism in Patients with Migraine without Aura.

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BACKGROUND Recent genetic association studies have investigated the possible genetic role of the dopaminergic system in migraine. Catechol-O-methyltransferase (COMT) is an enzyme that plays a crucial role in the metabolism of dopamine and its genetic polymorphism is associated with three- to

Impact of serotonin transporter and catechol-O-methyl transferase genes polymorphism on gastrointestinal dysfunction in Swedish and Japanese familial amyloidotic polyneuropathy patients.

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BACKGROUND Differences in the gastrointestinal manifestations have emerged between Swedish and Japanese familial amyloidotic polyneuropathy amyloidogenic transthyretin Valine30Methionine (FAP ATTR Val30Met) patients. To elucidate the cause of the differences, we investigated the associations between

[M1-OPIOID RECEPTOR AND CATECHOL-O-METILTRANSFERASE GENES POLYMORPHISM EFFECTS ON PERIOPERATIVE PSYCHOLOGICAL CONDITION OF THE PATIENTS AND THE EFFECTIVENESS OF POSTOPERATIVE ANALGESIA WITH OPIOIDS].

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OBJECTIVE To evaluate the influence of µl-opioid receptor (OPRM1) 118A>G and catechol-O-methyltransferase (COMT) 1947G>A gene single nucleotide polymorphisms (SNP) combinations on postoperative opioid analgesia (POA) efficacy. METHODS In 100 consecutive patients scheduled for major urologic

Genotype frequencies for polymorphisms related to chemotherapy-induced nausea and vomiting in a Japanese population.

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BACKGROUND Genotype frequencies for chemotherapy-induced nausea and vomiting (CINV)-related polymorphisms have not yet been reported for Japanese subjects. METHODS We analyzed 10 genotype frequencies for following polymorphisms associated with the development of CINV: serotonin 5-HT3 receptors

An Analysis of Behavioral and Genetic Risk Factors for Chemotherapy-Induced Nausea and Vomiting in Japanese Subjects.

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There are individual differences in the frequency of chemotherapy-induced nausea and vomiting (CINV) in cancer patients. We investigated the individual variability in susceptibility to CINV with focus on both behavioral factors and genetic factors in Japanese cancer patients. We performed a

Catechol-o-methyltransferase polymorphisms predict opioid consumption in postoperative pain.

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BACKGROUND Previous studies have associated the catechol-O-methyltransferase (COMT) enzyme rs4680 polymorphism with opioid consumption in the treatment of chronic cancer pain. In this study, we evaluated the association between COMT rs4680 and rs4818 polymorphisms and opioid consumption in the acute

Exploring the multifactorial nature of postoperative nausea and vomiting in women following surgery for breast cancer.

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Postoperative nausea and vomiting (PONV) are two of the most frequent and distressing complications following surgical procedures, with as many as 80% of patients considered to be at risk. Despite recognition of well-established risk factors and the subsequent use of clinical guidelines, 20-30% of

Catechol-O-methyltransferase inhibitors for levodopa-induced complications in Parkinson's disease.

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BACKGROUND As Parkinson's disease progresses the control of motor symptoms often requires the addition of other drugs to levodopa. The principle aim of COMT inhibitor therapy is to increase the duration of effect of each levodopa dose and thus reduce the time patients spend in the relatively

The clinical toxicology of the designer "party pills" benzylpiperazine and trifluoromethylphenylpiperazine.

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BACKGROUND Benzylpiperazine (BZP) and trifluoromethylphenylpiperazine (TFMPP) are synthetic phenylpiperazine analogues. BZP was investigated as a potential antidepressant in the early 1970s but was found unsuitable for this purpose. More recently, BZP and TFMPP have been used as substitutes for

Biarylcarboxylic acids and -amides: inhibition of phosphodiesterase type IV versus [3H]rolipram binding activity and their relationship to emetic behavior in the ferret.

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In addition to having desirable inhibitory effects on inflammation, anaphylaxis, and smooth muscle contraction, PDE-IV inhibitors also produce undesirable side effects including nausea and vomiting. In general, compounds that inhibit PDE-IV also potently displace [3H]rolipram from a high-affinity

New insights into selective PDE4D inhibitors: 3-(Cyclopentyloxy)-4-methoxybenzaldehyde O-(2-(2,6-dimethylmorpholino)-2-oxoethyl) oxime (GEBR-7b) structural development and promising activities to restore memory impairment.

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Phosphodiesterase type 4D (PDE4D) has been indicated as a promising target for treating neurodegenerative pathologies such as Alzheimer's Disease (AD). By preventing cAMP hydrolysis, PDE4 inhibitors (PDE4Is) increase the cAMP response element-binding protein (CREB) phosphorylation, synaptic

Genetics and gastrointestinal symptoms.

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Gastrointestinal (GI) symptoms including nausea, vomiting, diarrhea, constipation, abdominal discomfort/pain, and heartburn are ubiquitous and as such are often the focus of nursing interventions. The etiologies of these symptoms include GI pathology (e.g., cancer, inflammation), dietary factors

COMT gene haplotypes are closely associated with postoperative fentanyl dose in patients.

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BACKGROUND Fentanyl's analgesic efficacy varies widely among individuals. The single-nucleotide polymorphisms (SNPs) of catechol-O-methyltransferase (COMT) modulate sensitivity to pain. It remains unclear, however, whether COMT genetic variability affects postoperative fentanyl analgesia in patients

Optimizing levodopa pharmacokinetics with multiple tolcapone doses in the elderly.

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OBJECTIVE The multiple-dose tolerability, pharmacokinetics, and pharmacodynamics of tolcapone, a novel catechol-O-methyltransferase (COMT) inhibitor, were assessed in healthy elderly volunteers receiving concomitant carbidopa and levodopa. METHODS Thirty-six volunteers from 55 to 75 years old

[Impact of genetic factors on severity of side effects of opioids in patients after major surgical interventions].

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The rate of the opioids side effects (SE) occurrence, as well as their mutual connection with possible variants of a single-nucleotide polymorphism (SNP) of genes of a μ1-opioid receptor (OPRM1) 118A>G and catechol-O-methyltranspherase (COMT) 1947G>A were studied in patients after surgical

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