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Carbamazepine - Crossref

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Last Updated: 15 January 2023

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Maternal exposure to environmental levels of carbamazepine induces mild growth retardation in mouse embryos

Although CBZ's environmental conditions are relatively low, the risks of accidental exposure to CBZ are also significant. Environmental exposure to CBZ raises the question of whether maternal exposure to CBZ may also influence embryogenesis. After exposure to low CBZ levels, experiments in zebrafish and chick embryos or cell culture have shown negative results. Here, we used the mouse model to see if maternal exposure to CBZ in reproductive-relevant doses will have an effect on embryonic growth. This paper is the first report on the effects of environmental exposure of CBZ on the developmental kinetics of maternally-exposed mammalian embryos. Although the developmental delay was brief, the presence of pharmaceuticals in the environment on public health was found in a wide variety of biological replicates, as well as the recognized implication of developmental delay on post-natal health. While the developmental delay was relatively brief, there are calls for more in-depth risk analysis to reveal the effects of pharmaceuticals introduced to the environment on public health.

Source link: https://doi.org/10.1101/2023.01.12.523650


Effect of CYP3A5 Genotypes on the Pharmacokinetics of Carbamazepine when used as Monotherapy or Co-Administered with Phenytoin, Phenobarbital or Valproic Acid in Thai Patients

Purpose: When CBZ is used as monotherapy or co-administered with phenytoin, phenobarbital, or valproic acid, the aim is to determine the effects of CYP3A5 polymorphisms on carbamazepine pharmacokinetic parameters. When CBZ was used as monotherapy, CBZ clearance and dose-adjusted CBZ values did not significantly differ between patients with CYP3A5*1 and CYP3A5*3 alleles. Despite no scientific significance being established, patients using CBZ in combination with an enzyme-inducing antiepileptic drug were more likely to have elevated CBZ clearance and lower dose-adjusted CBZ levels when compared to those with the CYP3A5*3 allele and lower dose-adjusted CBZ genotype. However, it was also found that AEDs significantly raised CBZ clearance in patients with the active CYP3A5*1 allele. Conclusions: When CBZ was used in combination with enzyme-inducing AED, CYP3A5 expressers showed higher susceptibility to change in CBZ clearance and reduced dose-adjusted CBZ levels in comparison to CYP3A5 non-expressers.

Source link: https://doi.org/10.18433/j3q888


Formulation and Characterisation of Carbamazepine Orodispersible 3D-Printed Mini-Tablets for Paediatric Use

The PVP K30's 40% SSG and 5% of PVP K30 was selected and loaded with CBZ. The mean drug loading ratio of the tablets was 90. 6 percent, and the drug release rate in 0. 1 M HCl was 68. 3% at 45 min. Taste evaluation by an E-tongue was also conducted, where the drug did not show bitter taste signals at a low level in the taste test, and the sweetener also blocked bitterness signals in the tests. ODMTs were found to be potential candidates for child-appropriate dosage forms for CBZ delivery.

Source link: https://doi.org/10.3390/pharmaceutics15010250


Carbamazepine for Chronic Muscle Pain: A Retrospective Assessment of Indications, Side Effects, and Treatment Response

We retrospectively assessed the patient response, side effects, and reasons for carbamazepine discontinuation in 54 people receiving carbamazepine for muscle pain in 54 people. Muscle pain's underlying causes are diverse, ranging from metabolic and other hereditary disorders to acquired myopathies and myotonia syndromes. The reported treatment results did not appear to be influenced by the painDETECT questionnaire or quantitative sensory testing. Muscle pain is common in a number of myopathies, and it is exacerbated by dysfunctional A3b4-nerve fibers. While Carbamazepine may reduce pain levels, it comes with therapy-limiting side effects.

Source link: https://doi.org/10.3390/brainsci13010123


DRESS syndrome with carbamazepine and Epstein–Barr virus reactivation

We review the case of a young girl affected by DRESS syndrome with the reactivation of EBV in a young girl in whom the transition was favorable. The presence of IgM antibodies to anti-EBV early antigen and IgG antibodies to anti-EBV nuclear antigen demonstrate persistent EBV infection.

Source link: https://doi.org/10.7241/ourd.20231.20


Carbamazepine-induced pellagra: Dermoscopic findings and response to oral nicotinamide

A deficiency of niacin or its precursor tryptophan is the cause of the disorder, which is mainly due to poor dietary intake of niacin and tryptophan or an elevated intake of leucine. We present the clinical and dermoscopic findings in a twenty-year-old male with seizure disorder presenting with carbamazepine-induced pellagrous dermatitis that has cleared after the administration of niacin.

Source link: https://doi.org/10.7241/ourd.20231.13


Influence of astemizole, an H1 receptor antagonist, on the locomotors activity of carbamazepine and valproate in mice

In the present study, we investigated the effect of the second generation H1 receptor antagonist, astemizole, co-administered with carbamazepine and valproate on mouse experimental and spontaneous behaviour. In mice, mice have no horizontal, total distance, or vertical stimulation. However, this H1 receptor antagonist dramatically increased horizontal and vertical activity of mice when they were co-administered with valproate or carbamazepine in experimental time. Patients with epilepsy who are epilepsy should be treated with caution, according to our findings. It should be noted that combined therapy of astemizole with carbamazepine or valproate may be medically harmful.

Source link: https://doi.org/10.12923/j.2084-980x/25.2/a.13


A Rapid Therapeutic Drug Monitoring Strategy of Carbamazepine in Serum by Using Coffee-Ring Effect Assisted Surface-Enhanced Raman Spectroscopy

This study aims to produce a CBZ detection in serum using coffee-ring effect enhanced surface-enhanced Raman spectroscopy. To remove the influence of impurities on the silicon wafer surface and the protein matrix, surface treatment optimization of the silicon wafers and the liquid extraction process was carried out. The new detection method allows for the rapid determination of CBZ in chemically spiked serum samples within a concentration range of 2. 5 u201340 u22121, which corresponds to the range of the drug concentrations in the serum after oral medications.

Source link: https://doi.org/10.3390/molecules28010128


Thyroid hormones in children with epilepsy during long-term administration of carbamazepine and valproate

Objectivities This report examines the effects of long-term carbamazepine and valproate acid therapy on thyroid function in epileptic children. Objective Design A prospective investigation was conducted in 32 newly diagnosed pediatric patients, which was divided into two groups: 18 patients were treated with CBZ and 14 patients were treated with VPA. In all epileptic patients at baseline and in the 3rd, 6th, and 12th month assessments, only baseline evaluation was conducted. serum T4 and fT 4 levels were significantly lower than baseline control and control subjects after 3 months. VPA monotherapy did not have an effect on serum T4 and fT 4 concentrations, which were unaffected by the drug T4 and fT 4 concentrations. Both CBZ-treated and VPA-treated patients had normal Serum T3 and fT 3 levels, which were normal. In all epileptic patients, the TRH test findings were normal. Conclusions VPA monotherapy does not influence thyroid hormones, according to our results.

Source link: https://doi.org/10.1530/eje-08-0325


THE INFLUENCE OF DIPHENYLHYDANTOIN AND CARBAMAZEPINE ON THE CIRCADIAN RHYTHM OF FREE URINARY CORTICOIDS AND ON THE SUPPRESSIBILITY OF THE BASAL AND THE "IMPULSIVE" ACTIVITY BY DEXAMETHASONE

ABSTRACT MARKET INTEN eight healthy volunteers The circadian rhythm of cortisol was established by the determination of free urinary corticoids in 2 h urine samples by the competitive protein binding process. In doses ranging from 50 to 400 bcg/h, dexamethasone was infused between 10 p. m. and 4 a m. for two days as a result of two control days. After pre-treatment with 800 mg carbamazepine/day, these experiments were repeated, both pre-treatment with 400 mg diphenylhydantion/day for a week and again after post-treatment with 800 mg carbamazepine/day. The 24 h excretion values, peak and nadir measurements, and the time of the morning peaks were not significantly different from those used days. Both with and without the use of the anti-convulsants, but under the influence of both these products, comparable results could only be achieved by 2 to 4 fold higher doses of dexamethasone.

Source link: https://doi.org/10.1530/acta.0.0720308

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions