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ABSTRACTBackgroundMetabolic and bariatric surgery (MBS) is the most effective and durable approach to treating obesity, yet recurrent weight gain occurs in a subset of patients. Primary care often serves as a routine point of contact for patients following MBS and is a potential gateway for addressing and/or preventing recurrent weight gain.MethodsAlthough guidelines for the management of recurrent weight gain after MBS exist, this narrative review was undertaken to clarify the role of the primary care providers in enhancing long‐term outcomes and preventing weight gain after MBS.FindingsRegular follow‐up in primary care provides an opportunity to identify challenges related to weight management and overall health outcomes, which may include concerns related to nutrition, mental or physical well‐being, body image, motivation, and behavior change, for example. The availability of multidisciplinary providers within primary care settings, including behavioral health specialists, dietitians, and physical therapists, is an important strength of this setting in addressing potential post‐MBS concerns such as recurrent weight gain.ConclusionThis review outlines clinical considerations for managing recurrent weight gain post‐MBS in primary care and includes recommendations for both primary care providers and specialty clinicians working in primary care to deliver care effectively and mitigate weight stigma post‐MBS.

Abstract Background Loperamide is a µ-opioid receptor agonist that reduces intestinal peristalsis and is used to treat diarrhea. We previously described significant cross-reactivity of loperamide with 2 fentanyl immunoassays. Since then, new fentanyl immunoassays, including a CLIA-waived point-of-care device, have been approved for clinical use. Methods We evaluated new fentanyl immunoassays for cross-reactivity to loperamide and its major metabolites, N-desmethyl loperamide (dLop) and N-didesmethyl loperamide (ddLop). Previously characterized assays were tested for cross-reactivity to ddLop, which recently became commercially available. Loperamide, dLop, and ddLop were spiked in drug-free urine for analysis by 5 enzyme immunoassays run on automated chemistry analyzers and one lateral flow assay for the detection of fentanyl. Results Loperamide and its metabolites produced positive results in 3 fentanyl immunoassays. The Immunalysis HEIA was previously determined to be reactive to both loperamide and dLop, but it was not reactive to ddLop. The Immunalysis SEFRIA was reactive to loperamide, dLop, and ddLop at minimum concentrations of 14.7 mg/L, 13.1 mg/L, and 17.0 mg/L. The Thermo Fisher DRI was previously determined to be reactive to loperamide and dLop, and it was reactive to ddLop at a minimum concentration of 33.1 mg/L. The Abbott iCassette, ARK Fentanyl II, and Lin-Zhi LZI II fentanyl assays showed no cross-reactivity to loperamide or its metabolites. Conclusions The cross-reactivity of loperamide, dLop, and ddLop in several fentanyl immunoassays has the potential to cause false-positive results during urine drug screening.

Introduction In moderate to high-risk surgical procedures, 15–25% of patients develop a postoperative surgical site infection. Intraoperative incisional wound irrigation has the potential to reduce surgical site infections, and additional randomised controlled trials are required to provide evidence of effectiveness. Methods and analysis This protocol describes a pragmatic, adaptive, participant and adjudicator-blinded trial at 13 sites in Canada in up to 2500 participants. Participants planned for surgery with an abdominal or groin incision, who are eligible and provide verbal consent through an integrated consent model, are randomised to receive intraoperative incisional wound irrigation with povidone-iodine, saline or no irrigation. The primary outcome is surgical site infection within 30 days postoperatively. Secondary outcomes include quality of life measured 30 days postoperatively and morbidity, mortality and healthcare utilisation within 90 days postoperatively. Ethics and dissemination This trial has been approved by the research ethics board at the participating centres and stopped enrolling participants on May 23, 2025. All participants will provide verbal consent. Results will be disseminated via presentation at conferences, publication and posted on clinicaltrials.gov. Trial registration number The study is registered with http://clinicaltrial.gov ( NCT04548661 ; 14 September 2020).

ABSTRACTIntroduction/AimsMuscle cramps are a common symptom in amyotrophic lateral sclerosis (ALS). Ameliorating muscle cramps may improve quality of life in devastating diseases like ALS. A traditional Japanese medicine (Kampo, TJ‐68) is widely prescribed in Japan for muscle cramps. However, it is not available in the USA. This study evaluated the safety, tolerability, and efficacy of TJ‐68 in ALS.MethodsThis study was a double‐blind, randomized, placebo‐controlled crossover trial, consisting of four periods, conducted at three centers in the USA. Safety was evaluated using multiple measures. The primary efficacy outcome was the Visual Analog Scale for Muscle Cramps Affecting Overall Daily Activity (item #5 of the Muscle Cramp Scale (MCS)). The secondary outcomes included the remaining items of the MCS and the Clinical Global Impression of Changes (CGIC), among others. The study was planned to enroll 22 participants with ALS within 2 years.ResultsThe enrollment was slow and was completed with 11 participants. There were no serious safety issues and TJ‐68 was well tolerated. Although the primary outcome measure did not reach statistical significance (p = 0.35), several secondary measures showed significant results: MCS #1 triggering of cramps (p = 0.01), MCS #2 cramp frequency (p = 0.03), MCS Additional 1 change of motor behaviors (p = 0.02), and CGIC assessed by the evaluator (p = 0.009). Other outcome measures did not reach statistical significance.DiscussionThe study revealed that N‐of‐1 trial design can detect changes in a small sample size, and TJ‐68 appeared to be safe. Larger studies are needed to confirm the efficacy of TJ‐68.

This international multicenter study seeks to determine the frequency and characteristics of meningitis in myelin oligodendrocyte glycoprotein antibody (MOGAD)–associated disease and highlight its pathology.