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Objectives: Inflammatory arthritis causes significant work disability. Studies regarding this frequently fail to report important contextual information such as employment type. Our objective was to explore work participation, by gender and occupation type, in early inflammatory arthritis., Methods: Data are from the National Early Inflammatory Arthritis Audit for 2018-2020. At diagnosis, clinicians collected information on demographics, inflammatory arthritis disease activity, and working status. Participants completed patient-reported outcomes at baseline, 3 months and 12 months, including occupation and Work Productivity and Activity Impairment (WPAI). Descriptive analyses of work participation and WPAI scores by occupational class at all time points were performed. Regression models were used to examine associations between WPAI score and occupation., Results: In all, 12 473 people received a diagnosis of inflammatory arthritis and reported employment status, among whom 5999 (47%) were in paid work for at least 20 hours/week. At diagnosis, the working cohort had statistically significant lower measures of disease activity (P < 0.001). Occupational data were available for 3694 individuals. At diagnosis, 2793 completed a WPAI; 200 (7.2%) had stopped work and 344 (12.3%) changed jobs because of inflammatory arthritis symptoms. There was a high burden of absenteeism (30%) and presenteeism (40%). Compared with managerial or professional workers, the burden of work disability was greater among those in routine (manual) occupations. During follow-up, 9.4% of WPAI completers stopped work and 14.6% changed roles. Work drop-out occurred almost entirely among people doing routine jobs., Conclusion: It is easier to retain work in certain employment sectors. Participation in routine jobs is more affected, which may widen health inequalities., (© The Author(s) 2023. Published by Oxford University Press on behalf of the British Society for Rheumatology.)

Background: Nonadherence to immune-modifying therapy is a complex behaviour which, before the COVID-19 pandemic, was shown to be associated with mental health disorders in people with immune-mediated diseases. The COVID-19 pandemic has led to a rise in the global prevalence of anxiety and depression, and limited data exist on the association between mental health and nonadherence to immune-modifying therapy during the pandemic., Objectives: To assess the extent of and reasons underlying nonadherence to systemic immune-modifying therapy during the COVID-19 pandemic in individuals with psoriasis, and the association between mental health and nonadherence., Methods: Online self-report surveys (PsoProtectMe), including validated screens for anxiety and depression, were completed globally during the first year of the pandemic. We assessed the association between anxiety or depression and nonadherence to systemic immune-modifying therapy using binomial logistic regression, adjusting for potential cofounders (age, sex, ethnicity, comorbidity) and country of residence., Results: Of 3980 participants from 77 countries, 1611 (40.5%) were prescribed a systemic immune-modifying therapy. Of these, 408 (25.3%) reported nonadherence during the pandemic, most commonly due to concerns about their immunity. In the unadjusted model, a positive anxiety screen was associated with nonadherence to systemic immune-modifying therapy [odds ratio (OR) 1.37, 95% confidence interval (CI) 1.07-1.76]. Specifically, anxiety was associated with nonadherence to targeted therapy (OR 1.41, 95% CI 1.01-1.96) but not standard systemic therapy (OR 1.16, 95% CI 0.81-1.67). In the adjusted model, although the directions of the effects remained, anxiety was not significantly associated with nonadherence to overall systemic (OR 1.20, 95% CI 0.92-1.56) or targeted (OR 1.33, 95% CI 0.94-1.89) immune-modifying therapy. A positive depression screen was not strongly associated with nonadherence to systemic immune-modifying therapy in the unadjusted (OR 1.22, 95% CI 0.94-1.57) or adjusted models (OR 1.14, 95% CI 0.87-1.49)., Conclusions: These data indicate substantial nonadherence to immune-modifying therapy in people with psoriasis during the pandemic, with attenuation of the association with mental health after adjusting for confounders. Future research in larger populations should further explore pandemic-specific drivers of treatment nonadherence. Clear communication of the reassuring findings from population-based research regarding immune-modifying therapy-associated adverse COVID-19 risks to people with psoriasis is essential, to optimize adherence and disease outcomes., Competing Interests: Conflict of interests J.W. has presented talks for Abbott, AbbVie, Bayer, Boehringer Ingelheim, Chiesi, Merck and Roche. K.J.M. reports personal fees from LEO Pharma and Novartis, outside the submitted work. H.M. reports grants from AbbVie, Almirall, Celgene, Dermal Laboratories, Eli Lilly, Janssen, LEO Pharma, T & R Derma and UCB, outside the submitted work. D.U. reports grants from AbbVie, Almirall, Amgen, Celgene, Dermal Laboratories, Eli Lilly, Janssen, LEO Pharma, T & R Derma and UCB, outside the submitted work. L.M. reports personal fees from AbbVie, Celgene, Janssen, LEO Pharma, Novartis and UCB, outside the submitted work. Additional disclosures from L.M. include Almirall, BMS and Lilly. H.B. reports personal fees from AbbVie, Almirall, Biocad, Boehringer-Ingelheim, Janssen, Kyowa Kirin, LEO Pharma, Novartis, Pfizer and UCB, outside the submitted work. F.C. reports consultancy fees from AnaptysBio, grants from Boehringer Ingelheim, outside the submitted work. C.D.l.C. reports personal fees from Boehringer Ingelheim and UCB Pharma; grants from Janssen, Pfizer, Sandoz, Sanofi; grants and personal fees from AbbVie, Novartis, outside the submitted work. P.D.M. reports grants and personal fees from UCB; personal fees from Janssen and Novartis, outside the submitted work. P.G. reports personal fees from AbbVie, Amgen, Eli Lilly, Janssen, Novartis, Pierre Fabre, Sandoz and UCB, outside the submitted work. D.J. reports personal fees and nonfinancial support from AbbVie, Celgene, Janssen-Cilag, Lilly, LEO Pharma, MEDAC and Novartis; and personal fees from Amgen, outside the submitted work. L.P. reports grants and personal fees from AbbVie, Almirall, Amgen, Boehringer Ingelheim, Janssen, Lilly, Novartis and UCB; and personal fees from Bristol Myers Squibb, Fresenius-Kabi, Mylan, Pfizer, Samsung-Bioepis, Sandoz, Sanofi, outside the submitted work. P.S. has done consultancies in the past for Sanofi 111017 and AbbVie 041217 (unpaid); has received departmental independent research grants for TREAT NL registry from pharma companies since December 2019; is involved in performing clinical trials with many pharmaceutical industries that manufacture drugs used for the treatment of diseases such as psoriasis and atopic dermatitis, for which financial compensation is paid to the department/hospital; and is chief investigator of the systemic and phototherapy atopic eczema registry (TREAT NL) for adults and children, as well as one of the main investigators of the SECURE-AD registry. T.T. reports grants and personal fees from AbbVie, Almirall, Amgen, Arena Pharmaceuticals, Biocad, Biogen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, Eli Lilly, Janssen, LEO Pharma, MSD, Novartis, Pfizer, Samsung-Bioepis and Sandoz, during the conduct of the study. R.B.W. reports grants from AbbVie, Almirall, Amgen, Celgene, Janssen, LEO, Lilly, Medac, Novartis, Pfizer and UCB. R.B.W. also reports consultancy fees from AbbVie, Almirall, Amgen, Arena, Astellas, Avillion, Biogen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, DiCE, GSK, Janssen, LEO, Lilly, Medac, Novartis, Pfizer, Sanofi, Sun Pharma, UCB and UNION. H.W. is on the Board of the International Federation of Psoriasis Associations who have received grants from AbbVie, Almirall, Amgen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, Eli Lilly, Janssen, LEO Pharma, Novartis, Pfizer, Sun Pharma and UCB, outside the submitted work. J.B.G. reports personal fees from AbbVie, Eli Lilly, Janssen, Novartis, Pfizer, Sanofi and UCB, outside the submitted work. C.E.M.G. reports grants and personal fees from AbbVie, Janssen, Lilly and Novartis and UCB Pharma; and grants from Almirall, Amgen, BMS, LEO and Pfizer, outside the submitted work. J.N.B. reports grants and personal fees from AbbVie, J&J, Lilly and Novartis during the conduct of the study. J.N.B. has attended advisory boards, and/or received consultancy fees, and/or spoken at sponsored symposia, and/or received grant funding from AbbVie, Almirall, Amgen, Boehringer Ingelheim, Bristol Meyers Squibb, Celgene, Janssen, LEO Pharma, Lilly, Novartis, Pfizer, Samsung, Sun Pharma and UCB. C.H.S. reports grants from AbbVie, Novartis, Pfizer and Sanofi; and through consortia with multiple academic partners (psort.org.uk, BIOMAP-IMI.eu), outside the submitted work. S.K.M. reports departmental income from AbbVie, Almirall, Eli Lilly, Janssen-Cilag, Novartis, Sanofi and UCB, outside the submitted work., (© The Author(s) 2022. Published by Oxford University Press on behalf of British Association of Dermatologists.)

PCO, a yeast extract, offsets at least in part the mitotic inhibitory effect of methotrexate and fluorouracil on bone marrow cells in vitro but increases the antimitotic activity of the drugs on ascites Krebs-2 carcinoma under similar conditions. In vivo, PCO enhances the action of methotrexate against the L-1210 lymphoid leukemia and does not interfere with the effectiveness of fluorouracil against the ascites Krebs-2 tumor.

A series of omega-aminoalkanesulfonic acids (1-5) and omega-guanidinoalkanesulfonic acids (6-9) has been tested for antistaphylococcal and antifibrinolytic activities. Most of the omega-aminoalkanesulfonic acids and 6 produced better protection against Staphylococcus aureus infections in mice than gamma-aminobutyryl-L-histidine. Compound 4 was the best antistaphylococcal agent among the omega-aminoalkanesulfonic acids and compound 6 among the omega-guanidinoalkanesulfonic acids. Most of the omega-aminoalkanesulfonic acids have antifibrinolytic activity, while none of the omega-guanidinoalkanesulfonic acids has significant antifibrinolytic activity. Compound 4 possessed the highest antifibrinolytic activity which was equal to or greater than that of epsilon-aminohexanoic acid.

The case of an 18-year-old man with sigmoid volvulus and recurrent abdominal pain is presented. He was seen in the emergency department three times in a 4-month period, each time complaining of cramping left lower quadrant pain of one to two hours duration without vomiting or diarrhea. Physical examination on each occasion revealed left lower quadrant tenderness without mass, guarding, or rebound. Radiologic evaluation on the first visit revealed sigmoid volvulus, which was reduced by barium enema. Despite identical clinical presentation on two subsequent occasions, radiologic studies showed no evidence of recurrent volvulus. During the ensuing two years, the patient has had no further symptoms.

A series of C16,C18 and C20 fatty acids and their ethyl esters and alcohols were investigated as possible stationary phases in reversed-phase TLC for the correlation between structure and biological response (antistaphylococcal activity). Ten probiotics (omego-amino acids and their L-histidine dipeptides) were used as the biologically active compounds. The mobile phase was 70% acetone in water. The best correlations were obtained with hexadecanoic acid (palmitic acid) or cis9,cis-12,cis-15-octadecatrienoic acid, 1-hexadecanol or cis-9-octadeconol, and ethyl hexadecanoate for the fatty acids, their alcohols, and their ethyl esters, respectively. Among all compounds, the following relation was obtained: fatty acids = alcohols greater than ethyl esters greater than white paraffin oil.

The activity of delta-aminolaevulinic acid synthetase (E.C. 2.3.1.37) (ALA-S) was measured in rat liver after the simultaneous administration of various anesthetic agents and 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) in vivo. Flunitrazepam, Althesin and phenobarbitone caused a significant increase in the activity of the enzyme which was not observed with propanidid, etomidate and minaxolone. It is suggested that DDC-treated rat, which resembles latent human variegate porphyria, may be a more valid method of testing drugs for their ability to elicit acute porphyric phases in susceptible individuals. The anaesthetic agents which induced the activity of hepatic ALA-S in this model are not recommended in patients with genetic hepatic porphyria.

Prophylactic administration of the dipeptide homocarnosine induced a high degree of resistance to staphylococcal infections in Swiss albino mice. It expressed its antistaphylococcal properties 1 hr after administration, and this protection lasted for at least 1 month. Although 5 mg per animal (approximately 200 to 250 mg/kg) was routinely used in our studies, experiments showed that comparable results could be obtained with 1.5 mg per animal. Rechallenge experiments indicated that an active infection by itself may confer immunity up to 4 weeks, but an infection after treatment with homocarnosine gave complete immunity to reinfection for at least 2 months. Studies in vitro showed that homocarnosine had no effect on the growth or certain other characteristics (ability to ferment mannitol, liquefy gelatin, and to produce coagulase, deoxyribonuclease, and pigment) of S. aureus. It appears that resistance induced by this peptide is an indirect effect mediated by some nonimmunological host reaction. The possible involvement of homocarnosine, among other compounds, in the protective action of deproteinized beef extract against staphylococcal infections is suggested.

Homocarnosine and carnosine have been identified in bovine brain extracts which are effective in protecting mice against infections by Staphylococcus aureus. These peptides, as well as l-1-methylhistidine, beta-alanine, gamma-aminobutyric acid, delta-aminovaleric acid, epsilon-aminocaproic acid, 1-aminomethylcyclohexane-4-carboxylic acid, and anserine, were tested as prophylactic agents against S. aureus infections in C3H and Swiss mice. Histidine and methylhistidine were ineffective in preventing mortality in both mouse strains. Carnosine, anserine, and epsilon-aminocaproic acid were effective in C3H but not in Swiss mice. beta-Alanine and gamma-aminobutyric acid were weakly effective (C3H) or ineffective (Swiss). delta-Aminovaleric and 1-aminomethylcyclohexane-4-carboxylic acid (tested only in Swiss) were somewhat effective in early stages of the infection. Homocarnosine was the best compound and was highly effective in protecting both mouse strains against S. aureus infections by the testing procedure employed.

By a short-term combined prophylactic-therapeutic procedure, the following compounds were found to be active against staphylococcal infections in Swiss mice: gamma-aminobutyric acid, gamma-amino-beta-hydroxybutyric acid (GABOB), delta-amino-valeric acid (DAVA), epsilon-aminocaproic acid (EACA), trans-4-aminomethylcyclohexanecarboxylic acid (trans-AMCHA), taurine, and cysteic acid. Many of these compounds had displayed limited or no activity by a previously used prophylactic procedure. Although DAVA and GABOB were the most potent of the straight-chain omega-amino acids, trans-AMCHA displayed the greatest antistaphylococcic activity of the omega-amino acids thus far investigated. Homocarnosine (gamma-aminobutyrl histidine, which also was active by the prophylactic procedure) equalled trans-AMCHA in activity. Taurine was similar in potency to DAVA, and the activity of cysteic acid approximated that of EACA.