We report three cases of fixed drug eruption due to methaqualone. Eruptions from methaqualone have been rarely reported since the drug's introduction in 1963. Our discovery of these three cases during a two-year period suggests that dermatologic reactions from methaqualone may be much more common than has been appreciated. This may be related to the reluctance of the patient to admit to the use or abuse of methaqualone, and physicians' lack of recognition of the widespread abuse of this drug and its possible cutaneous complications.
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Ann Rheum Dis
January 2025
Rheumatology, Leiden University Medical Center, Leiden, The Netherlands; Rheumatology, Erasmus Medical Center, Rotterdam, The Netherlands.
Objectives: Rheumatoid arthritis (RA) has a considerable disease burden with life-long physical limitations, reduced work productivity and high societal costs. Trials on arthralgia at-risk for RA are therefore conducted, aiming to intercept evolving RA and reduce the disease burden. A 1-year course of methotrexate in patients with clinically suspect arthralgia (CSA) caused sustained improvements in subclinical joint inflammation and physical impairments.
View Article and Find Full Text PDFAnn Rheum Dis
January 2025
Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan. Electronic address:
Objectives: The usefulness of methotrexate-polyglutamates (MTX-PGs) concentration for management of rheumatoid arthritis has been debated. We aimed to clarify the association of MTX-PGs concentration with efficacy and safety in MTX-naïve patients initiating MTX in a prospective interventional clinical trial.
Methods: The MIRACLE trial enrolled 300 MTX-naïve patients.
Naunyn Schmiedebergs Arch Pharmacol
January 2025
Department of Biological Sciences, National University of Medical Science, Rawalpindi, Punjab, Pakistan.
Cyclosporine A is an immunosuppressive drug used in clinics to treat steroid-refractory ulcerative colitis (UC). However, due to its side effects, researchers are evaluating novel drug delivery-based treatment options. Nanoparticles-based cyclosporine (Nano-CSA) offers a promising option for the treatment of UC, and various in vivo studies on animals have been conducted.
View Article and Find Full Text PDFEur Clin Respir J
January 2025
Adult Cystic Fibrosis Centre, The Prince Charles Hospital, Brisbane, Queensland, Australia.
Therapeutic drug monitoring (TDM) of elexacaftor/tezacaftor/ivacaftor (ETI) remains challenging due to a lack of clarity around the parameters that govern ETI plasma concentrations, whilst the use of concomitant CYP3A inducers rifabutin and rifampicin is not recommended. We present the complexities of TDM for ETI performed in a person with cystic fibrosis and refractory pulmonary disease. Utilising National Association of Testing Authorities (NATA) accredited assays and target considerations published by the Therapeutic Goods Administration (TGA), Australia, ETI plasma concentration variability was monitored over the course of an acute admission with added complexity from an antibiotic regimen including rifabutin, a moderate cytochrome P450 3A (CYP3A) inducer, and clofazimine, a mild CYP3A inhibitor.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Mathematics, Dayalbagh Educational Institute, Agra, India.
The main objective of this work is to study the mathematical model that combines stem cell therapy and chemotherapy for cancer cells. We study the model using the fractal fractional derivative with the Mittag-Leffler kernel. In the analytical part, we study the existence of the solution and its uniqueness, which was studied based on the fixed point theory.
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