Publications by authors named "Matthew Ridd"

Recruitment and retention of participants remain critical challenges in clinical trials, often requiring innovative approaches to ensure sufficient enrolment and sustained engagement. Social media advertising offers the potential to reach target populations quickly by leveraging demographic, geographic and interest-based targeting. This mixed-methods observational study evaluates participant experiences and the effectiveness of various recruitment routes within a trial of a treatment for acne.

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Background: We surveyed primary and secondary care health professionals to describe the care and referral pathways for treatment, including surgical reconstruction (SR), for patients with a severe pressure ulcer (SPU).

Methods: We administered three online surveys comprising closed and open-ended questions (free text comment boxes) to healthcare professionals working in primary care, nurses who look after patients with severe PUs in any setting and surgeons (11, 30 and 22 questions, respectively). Participants were recruited through professional organisations, contacts of study team members and through social media.

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Background: Several population-based studies have reported an increased risk of serious skin conditions following COVID-19 vaccinations, but their population samples were not representative. Accurately estimating these risks is important for informing vaccine hesitancy and clinical practice.

Objectives: To compare the incidence rates (IRs) of bullous pemphigoid (BP), herpes zoster (HZ), and urticaria before and after the UK's COVID-19 vaccination programme started.

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Objectives: Rapid microbiological point-of-care tests (RM-POCTs) have the potential to reduce antimicrobial overuse for respiratory tract infections (RTIs). However, patient perspectives regarding RM-POCTs remain unclear. Therefore, this study aimed to explore patients' and parents' experiences using RM-POCTs for RTIs and their views on how RM-POCTs influence treatment decisions, symptom management and future consulting.

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Background: Hidradenitis suppurativa (HS) is a painful, chronic, inflammatory skin condition affecting the skin folds. It is frequently misdiagnosed, leading to delays in care and the progression of the disease to permanent scarring.

Aim: To understand the level of knowledge and confidence of HCPs in primary care managing patients with HS.

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Background: Eczema is a prevalent, chronic, itchy skin condition that often persists into adulthood and significantly affects the quality of life of patients and their families. With no cure available at present, effective management is crucial. Although important patient priorities related to eczema self-management have been identified, they are rarely the focus of large, high-quality randomized controlled trials (RCTs).

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Background: Post herpetic neuralgia (PHN) is the most common complication of herpes zoster, also known as shingles. Amitriptyline has been postulated to prevent PHN. The objective is to determine whether prophylactic low-dose amitriptyline prevents PHN in patients newly diagnosed with shingles.

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Background: Understanding whether symptoms suggestive of chronic kidney disease (CKD) are reported to primary care before diagnosis may provide opportunities for earlier detection, thus supporting strategies to prevent progression and improve long-term outcomes. Our aim was to determine whether symptoms/signs or consultation frequency recorded in primary care could predict a subsequent diagnosis of chronic kidney disease in children.

Methods: We undertook a case-control study within Clinical Practice Research Datalink.

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Background: A priority setting partnership for eczema (syn atopic eczema, atopic dermatitis) has identified that bathing frequency is a key area of patient interest. However, there are nolarge, high-quality randomised controlled trials (RCTs) investigating this.The Rapid Eczema Trials project is a novel programme of research that aims to deliver multiple online RCTs, using a citizen science approach.

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Introduction: Papilloedema can be the first sign of life-threatening disease, for example, brain tumours. Due to the potential seriousness of this clinical sign, the detection of papilloedema would normally prompt urgent hospital referral for further investigation. The problem is that many benign structural variations of optic nerve anatomy can be mistaken for papilloedema, so-called pseudopapilloedema.

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Background: Low-dose amitriptyline, a tricyclic antidepressant (TCA), was superior to placebo for irritable bowel syndrome (IBS) in the AmitripTyline at Low-dose ANd Titrated for Irritable bowel syndrome as Second-line treatment (ATLANTIS) trial.

Objective: To perform post hoc analyses of ATLANTIS for predictors of response to, and tolerability of, a TCA.

Design: ATLANTIS randomised 463 adults with IBS to amitriptyline (232) or placebo (231).

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Background: Rapid microbiological point-of-care tests (RM POCTs) present an opportunity to reduce antibiotic exposure and antimicrobial resistance (AMR). So far, there is limited understanding of how RM POCTs may support clinicians in primary care in the UK and how RM POCTs might be integrated into practice.

Aim: To investigate clinicians' views on how RM POCTs can influence clinical decisions and routine practice, and perspectives on how RM POCTs can impact the clinician-patient relationship.

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Article Synopsis
  • A study was conducted to reach a consensus on interpreting skin prick tests (SPT) and dietary history related to food allergies in children under two with atopic dermatitis (AD).
  • Fourteen healthcare professionals participated in a modified Delphi study, discussing symptoms related to allergies and reaching agreements on allergen categorization and dietary advice.
  • The findings led to standardized recommendations for managing common food allergies like cow's milk, hen's egg, wheat, and soy, aiming to improve clinician education and decision-making.
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Article Synopsis
  • - The study aims to assess the effectiveness and cost-efficiency of low-dose amitriptyline as a second-line treatment for patients with irritable bowel syndrome (IBS) in primary care, especially when first-line treatments fail.
  • - Conducted as a pragmatic, double-blind, placebo-controlled trial across 55 general practices in England, the design included both quantitative outcomes and qualitative experiences from participants and general practitioners regarding the treatment.
  • - Participants included adults over 18 diagnosed with IBS who did not respond to initial therapies; they received either amitriptyline or a placebo for 6 months, with a focus on measuring the difference in IBS symptoms to see if the medication has a significant impact.
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Article Synopsis
  • Acne is a common skin condition that affects women's quality of life and often leads to long-term antibiotic use, prompting the study of spironolactone as a potential treatment.
  • The study was a randomized, double-blind trial assessing the effectiveness and cost-effectiveness of spironolactone for treating facial acne in women aged 18 and older, continuing their usual topical treatments.
  • Results showed that among the 410 women randomized, the treatment group successfully tolerated spironolactone at increasing doses, with a focus on improvements in acne-related quality of life over a 12-week period.
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Background: Irritable bowel syndrome (IBS) can cause troublesome symptoms, which impact patients' quality of life and incur considerable health service resource use. Guidelines suggest low-dose amitriptyline for IBS as second-line treatment, but this is rarely prescribed in primary care.

Aim: To explore patients' and GPs' views and experiences of using low-dose amitriptyline for IBS.

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Background: Emollients and topical corticosteroids (TCS) prevent and treat flares in eczema. However, topical treatment use is poorly recorded and reported in clinical trials. There is no clear consensus of how best to capture and summarize topical treatment use.

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Background: Shingles (herpes zoster), caused by reactivation of the varicella-zoster virus, is usually diagnosed and managed in primary care. The lifetime risk of shingles in the general population is approximately 30%, and it can have a detrimental effect on quality of life. There has been little qualitative research about patient experience and understanding of shingles.

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Article Synopsis
  • Atopic eczema is a frequent skin condition in children that can decrease their quality of life and is associated with other allergic conditions like asthma and food allergies.
  • The study aimed to see if applying daily emollients in the first year of life could prevent eczema and other related atopic diseases in infants at high risk.
  • The trial involved over 1,300 newborns, with results showing a slight difference in eczema rates at age 2, suggesting emollient use may have a modest protective effect.
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Article Synopsis
  • Antibiotics are frequently prescribed for respiratory infections in primary care despite evidence showing minimal benefit and a contribution to microbial resistance; point-of-care tests could help reduce unnecessary prescriptions.
  • A randomized controlled trial is being conducted in the UK with participants providing swab samples and being assigned to either receive a rapid microbiological test or standard care to assess the impact on antibiotic prescribing.
  • The study will evaluate antibiotic prescription rates, patient symptom tracking, and follow-up medical records over six months, aiming to recruit 514 patients to achieve strong statistical validity.
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This research letter discusses the perspectives of community pharmacy staff on commonly encountered skin conditions and the key challenges towards enhancing their role in this area. A mixed methods online survey was created, and a total of 174 community pharmacy staff completed the survey. The results highlight the range of conditions currently encountered in community pharmacy and the breadth of challenges facing community pharmacy staff, in particular challenges surrounding providing a differential diagnosis.

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Background: Conservative therapies are recommended as initial treatment for male lower urinary tract symptoms. However, there is a lack of evidence on effectiveness and uncertainty regarding approaches to delivery.

Objective: The objective was to determine whether or not a standardised and manualised care intervention delivered in primary care achieves superior symptomatic outcome for lower urinary tract symptoms to usual care.

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Introduction: Effective communication can help optimise healthcare interactions and patient outcomes. However, few interventions have been tested clinically, subjected to cost-effectiveness analysis or are sufficiently brief and well-described for implementation in primary care. This paper presents the protocol for determining the effectiveness and cost-effectiveness of a rigorously developed brief eLearning tool, EMPathicO, among patients with and without musculoskeletal pain.

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