Publications by authors named "L A J Powell"

Background: Brain-gut behaviour therapies (BGBT) have gained widespread acceptance as therapeutic modalities for the management of disorders of gut-brain interaction (DGBI). However, existing treatment evaluation methods in the medical field fail to capture the specific elements of scientific rigour unique to behavioural trial evaluation.

Aims: To offer the first consensus on the development and testing of BGBT in DGBI.

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Objective: This study investigated whether the behavior profiles of cats with inflammatory gastrointestinal or skin diseases differ from those of healthy cats.

Methods: We identified adult cats within the patient database at the University of Pennsylvania's veterinary hospital that had been diagnosed with inflammatory gastrointestinal (n = 22) or skin disorders (17) and a control group of healthy cats (58). We collected data via owner completion of the Feline Behavioral Assessment & Research Questionnaire from March to May 2023 and conducted an observational study comparing the Feline Behavioral Assessment & Research Questionnaire scores between groups.

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Introduction: The Friedreich Ataxia Rating Scale-Activities of Daily Living (FARS-ADL) is a valid, highly utilized measure for assessing ADL impacts in patients with Friedreich ataxia. We provide evidence of the psychometric validity of the FARS-ADL in two cohorts of patients with spinocerebellar ataxia (SCA).

Methods: Using data from a cohort of real-world subjects with SCA (recruited at Massachusetts General Hospital [MGH]; n = 33) and a phase 3 trial of troriluzole in adults with SCA (NCT03701399 [Study 206]; n = 217), comprising a subset of patients with the SCA3 genotype (n = 89), the psychometric measurement properties and minimal change thresholds of the FARS-ADL were examined.

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Objectives: The objective of this study was to characterize the demographic, social, economic, and clinical factors of trauma surgery patients leaving against medical advice (AMA).

Methods: Data were retroactively obtained from a level-one trauma center in a medium-sized metropolitan area from January 2017 to December 2021. The sample population consisted of patients admitted or treated by the trauma surgical service.

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Background: Migraine is a disabling disorder that impacts 40 million people in the US. Zavegepant is the first calcitonin gene-related peptide (CGRP) receptor antagonist nasal-spray approved for the acute treatment of migraine with or without aura in adults. This study aimed to evaluate the proportion of patients in various pain and functional disability states over 48-h, for patients treated with zavegepant 10 mg nasal-spray versus placebo.

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