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Ayer — Junio 14th 2026Interdisciplinares

Randomised, double-blind clinical trial protocol to evaluate whether early and perioperative tranexamic acid administration reduces transfusion rates and blood loss of patients undergoing hip fracture surgery in Spain

Introduction

In patients with a hip fracture, anaemia has been associated with increased transfusion requirements, poor functional outcomes, prolonged hospital stays and increased mortality. While anaemia in elderly patients with hip fractures has traditionally been attributed to bleeding during or after surgery, many of these patients are anaemic on hospital admission. Thus, detecting and managing anaemia in the perioperative, postoperative and, most significantly, the preoperative period is important to avoid the need for blood transfusions and to improve patient outcomes. The protocol for this clinical trial is designed to evaluate the efficacy and safety of both combined intravenous and topical tranexamic acid (TXA) therapy, or topical administration alone, assessing its effect on blood loss and the need for blood transfusions in elderly patients undergoing hip fracture surgery.

Methods and analysis

This is a multicentre, double-blinded, randomised, placebo-controlled trial with a 1:1 allocation ratio. Patients of both sexes, aged ≥65 years, who are admitted to the emergency department and will undergo hip fracture surgery are eligible for enrolment. Eligible patients who provide their consent will be stratified according to the type of fracture (intracapsular and extracapsular) and whether or not they are suitable for intravenous TXA therapy, and they will then be randomly allocated to receive either TXA or a placebo. The primary outcome is the blood transfusion rate from patient admission to the emergency department until discharge, while the secondary outcomes include: the preoperative, perioperative and postoperative haemoglobin and haematocrit levels; the preoperative and postoperative occult and total blood loss; the mean length of hospital stay; and any adverse events assessed for up to 1 year after patient discharge.

Ethics and dissemination

The study was approved by the Basque Country Ethics Committee (Ref.: 2021012) and the Spanish Agency for Medicines and Healthcare Products (Agencia Española de Medicamentos y Productos Sanitarios). All participants will provide their written informed consent prior to study inclusion. The trial’s results, regardless of its outcomes, will be disseminated through presentations at scientific conferences and publication in peer-reviewed journals, and they will be made publicly available through the European Union Clinical Trials Register after the end of the clinical trial.

Trial registration numbers

EudraCT Number 2020-002144-23; EUCT Number 2024-519349-31-00.

Minocycline hydrochloride ointment-assisted periodontal treatment of stage III/IV periodontitis associated with type 2 diabetes mellitus targeting Chinese people: study protocol for a randomised controlled trial

Por: Zhao · H. · Lin · S. · He · L. · Zhen · M. · Yang · G. · Wang · X. · Cao · J. · Li · Y. · Hou · J. · Xu · L. · Meng · H. · Liu · K.
Introduction

Scaling and root planing (SRP) combined with adjunctive antibiotic therapy is widely adopted in the management of periodontitis in patients with type 2 diabetes mellitus (T2DM), with the aims of ameliorating glycaemic control, alleviating local inflammation and facilitating periodontal tissue regeneration. As a topically administered adjunctive antibiotic for periodontal treatment, minocycline hydrochloride (MH) ointment has shown favourable clinical efficacy in systemically healthy patients with periodontitis. However, robust evidence supporting its clinical efficacy and potential glycaemic-improving effects in patients with periodontitis complicated by T2DM remains limited. The present study is designed to test the null hypothesis that no significant differences in clinical outcomes exist between SRP combined with MH and SRP alone in the management of periodontitis among patients with T2DM, with its primary objective to investigate whether MH as an SRP adjunct confers superior clinical benefits to SRP alone.

Methods and analysis

We will conduct a randomised, single-blind, placebo-controlled clinical trial. 56 patients with T2DM-associated stage III/IV periodontitis will be recruited from the Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China. Eligible participants will be randomised into two groups: the experimental group will undergo SRP combined with topically administered MH ointment and the control group will undergo SRP with a matched placebo. The primary outcomes will include probing depth (PD) changes at periodontal pocket sites with a baseline PD ≥6 mm at 6 months post-baseline, with a specific focus on the percentage of such sites with PD reduced to ≤5 mm. The secondary outcomes will comprise PD changes at pocket sites with a baseline PD ≥5 mm at 6 months post-baseline, as well as clinical attachment loss, the plaque index, bleeding index, the levels of IL-1β, IL-17, calprotectin and insulin levels in gingival crevicular fluid and serum, complete blood count, blood biochemistry, including glycated haemoglobin levels, and the composition of subgingival plaques at baseline, and 2 and 6 months post-baseline.

Ethics and dissemination

This study was approved by the Ethics Committee of Peking University School and Hospital of Stomatology (PKUSSIRB-2024102139b). Results will be published in a peer-reviewed scientific journal.

Trial registration number

ChiCTR2400092305.

Protocol version

V.3.1 (date: 6 January 2026).

Symptom experience of patients after total knee arthroplasty in China: a longitudinal qualitative study

Por: Wu · K. · Zhu · J. · Liu · J. · Li · N. · Li · C. · Chen · X. · Sun · H. · Zhang · H. · Liu · H.
Objective

Total knee arthroplasty (TKA) is a common and effective procedure for end-stage knee osteoarthritis, yet patients frequently encounter a complex and dynamic symptom experience during the initial period that can significantly impact their rehabilitation and quality of life. This study aimed to explore the symptom experience of patients within 6 weeks after TKA.

Design

A longitudinal qualitative study using semi-structured interviews.

Setting

This study was conducted in an orthopaedics department of a tertiary general hospital in China.

Participants

Interviews were conducted with 16 patients at 3–5 days postoperatively, 14 patients at 2 weeks postoperatively and 10 patients at 6 weeks postoperatively.

Methods

Data were collected between July 2024 and November 2024. A purposive sampling method was used to recruit patients. Data were analysed using directed content analysis, with data collection and analysis performed concurrently.

Results

Three themes and nine subthemes were identified: (1) symptom perception, including perceived complexity of symptoms, self-identity conflict due to functional limitations, activation of negative emotions and psychological adaptation and interaction and amplification effects among symptoms; (2) symptom evaluation, characterised by the dynamic cognitive reframing of symptom meaning, self-blame tendency and internalisation of responsibility and interference from social and medical information; (3) symptom coping, involving dynamic evolution of active coping strategies and self-efficacy reinforcement, temporal characteristics of passive coping patterns and rehabilitation barriers.

Conclusion

The symptom experience of patients who had TKA is complex and dynamic. Healthcare providers should implement tailored interventions based on patients’ symptom experiences at different stages to facilitate symptom management, alleviate distress and negative emotions and improve quality of life.

DREAMSPHEN: a randomised controlled study comparing dose reduction of antipsychotics vs maintenance treatment in schizophrenia spectrum disorder after stratification based on patients psychotic phenotype - study protocol of a personalised medicine approac

Por: Berna · F. · Horowitz · M. A. · Javelot · H. · Meyer · N. · Foucher · J. R.
Introduction

The DREAMSPHEN study (Dose REduction of Antipsychotics vs. Maintenance treatment in schizophrenia after Stratification based on psychotic PHENotype) aims to compare the benefits and risks of a hyperbolic tapering method for antipsychotics to the maintenance of antipsychotics in a sample of clinically stabilised patients with schizophrenia spectrum disorder.

Methods and analysis

A sample of 288 patients will be recruited from 12 centres in France. Inclusion criteria are: diagnosis of schizophrenia spectrum disorder (according to the 5th version of the Diagnostic and Statistical Manual of mental disorders, DSM-5), minimum of 3 months remission of psychotic symptoms and in treatment with antipsychotic medication (except clozapine and long-acting antipsychotic injection). First, the psychotic phenotype of the patients (cycloid psychosis vs other psychotic phenotype) will be assessed. Then, patients will be randomised either to the maintenance of treatment (MT) or to the antipsychotics dose reduction (DR) arm. DR will follow a hyperbolic schema according to Horowitz protocol. Patients will be assessed at baseline, and every 2 months until 24 months follow-up regarding social functioning, psychotic and negative symptoms, side effects of antipsychotic medication, cognitive functioning, patient satisfaction, substance and alcohol use, and quality of life. The primary outcome will be a good social functioning after 24 months defined as a score at the Personal and Social Performance Scale >70. Secondary outcome measures will include: psychotic and negative symptoms, hospitalisation for psychotic episode, antipsychotic dose, antipsychotic side effects, withdrawal symptoms, cognitive functioning, patient’s well-being and quality of life. Safety measures will include death, admissions to psychiatric hospital, psychotic relapses and severe self-harm.

Ethics and dissemination

The DREAMSPHEN trial aims to better identify patients with psychotic disorders who are most likely to benefit from antipsychotic tapering with an aim to inform future clinical treatment guidelines for antipsychotic treatment. DREAMSPHEN V2.0 of the 14 May 2025 has received ethical approval from Comité de protection des personnes Ile de France IV (N° 2023-509558-80-00) on 17 July 2025.

Trial registration number

EU Clinical Trials Register – EudraCT no. 2023-509558-80-00. Clinical trials: NCT07152184. Registered on 9 August 2025.

Surgery or radiotherapy for early-stage cancer study protocol for an emulated target trial of radical radiotherapy versus radical cystectomy, with either following neoadjuvant chemotherapy, for organ-confined muscle-invasive bladder cancer

Por: Kagenaar · E. · Lugo-Palacios · D. G. · Bromley · H. · Aggarwal · A. · Hutchings · A. · ONeill · S. · Rachet · B. · Cresswell · J. · Choudhury · A. · Grieve · R.
Introduction

Neoadjuvant chemotherapy (NAC) followed by definitive treatment consisting of either radical radiotherapy or radical cystectomy is the recommended treatment for patients with organ-confined muscle-invasive bladder cancer (OC-MIBC). A randomised controlled trial (RCT) aimed to compare the effectiveness of radical radiotherapy and radical cystectomy but failed to recruit. Radical radiotherapy is non-invasive and organ-preserving, and observational studies have suggested this treatment may be associated with similar outcomes compared with radical cystectomy. However, in these observational studies, the risk of confounding was high, and they did not consider the receipt of NAC. The surgery or radiotherapy (SORT) for the early-stage cancer study will assess the comparative effectiveness and cost-effectiveness of either radical cystectomy or radical radiotherapy, both after NAC for OC-MIBC. We will use a target trial emulation approach to reduce the risk of bias when assessing comparative effectiveness from observational data.

Methods and analysis

The SORT study will use UK’s National Cancer Registry to identify individuals diagnosed with urothelial OC-MIBC (T2-4aN0M0) between 1 January 2015 and 31 December 2021 who received either radical radiotherapy or radical cystectomy after NAC. The data will be linked to Hospital Episode Statistics (HES), National Radiotherapy Data Set (RTDS) and Systemic Anti-Cancer Therapy (SACT) data sets to gather information on clinical, tumour and socio-demographic characteristics and receipt of treatment. Using the target trial emulation framework, we will define the eligibility criteria and radical radiotherapy and radical cystectomy receipt. To reduce the risk of confounding, we will use advanced statistical approaches to allow for differences in measured baseline characteristics between the comparison groups.

The primary outcome is 3-year all-cause mortality after radical treatment receipt. Secondary outcomes will include all-cause and bladder-cancer-associated mortality at 3 and 5 years, time to death, incremental costs and incremental cost-effectiveness reported according to net health benefits.

Ethics and dissemination

The study was approved by the London School of Hygiene and Tropical Medicine Ethics Committee (Reference number 29717 - 1). Results will be communicated in open-access journals and conferences to clinicians, researchers, patients and policymakers.

The association of triglyceride-glucose index with acute myocardial infarction and all-cause mortality in patients with coronary artery disease stratified by acute myocardial infarction status: a large-scale retrospective cohort study from South China

Por: Wang · Y. · Zeng · C. · Huang · Y.-L. · Fang · Y. · Rahmati · A. · Zhou · Z. · Chen · S.
Objectives

This study aimed to investigate the association of the triglyceride-glucose (TyG) index with the risk of acute myocardial infarction (AMI) and all-cause mortality in patients with coronary artery disease (CAD), and to inspect whether AMI mediates the relationship between TyG index and mortality.

Design

A large-scale, retrospective cohort study.

Setting

This single-centre study was conducted at a tertiary academic hospital in South China. The association between the TyG index and AMI was assessed using multivariable logistic regression, with progressive adjustment for demographic and clinical covariates. Cox proportional hazards models were used to estimate the HRs for all-cause mortality associated with TyG index. Restricted cubic splines and mediation analysis were employed to examine non-linear relationships and the mediating role of AMI.

Participants

A total of 20 125 patients diagnosed with CAD during hospitalisation between January 2020 and February 2025 were initially enrolled. After applying exclusion criteria (insufficient data), 18 245 participants were included in the final analysis.

Outcome measures

We examined the association of the TyG index with the risk of AMI, as well as its association with all-cause mortality across different CAD subgroups.

Results

The association between the TyG index and all-cause mortality was significantly modified by AMI status (P for interaction

Conclusions

An elevated TyG index independently predicts the risk of AMI in patients with CAD. Its prognostic value for mortality, however, is critically dependent on the presence of AMI: while a higher TyG index is associated with increased mortality in patients with AMI, moderately elevated TyG levels (Q2–Q3) are associated with lower mortality, whereas the highest quartile shows no significant association. Mediation analysis further reveals that AMI significantly mediates the association between TyG index and mortality, highlighting the importance of AMI prevention in mitigating the adverse prognostic impact of insulin resistance in the CAD population. These findings warrant validation in prospective studies.

Translation and validation of the Norwegian ABCD Risk Questionnaire to assess cardiovascular disease knowledge and risk perception prior to myocardial infarction

Por: De Martin Topranin · V. · Brors · G. · Saether · J. C. · Gerdts · E. · Vangen · S. · Bye · A.
Objectives

The aim of this study was to translate the Attitudes and Beliefs about Cardiovascular Disease (ABCD) Risk Questionnaire into Norwegian and assess its psychometric properties among individuals with a history of myocardial infarction.

Design

The study adopted a cross-sectional design. The original questionnaire was translated into Norwegian and adapted for use in the target population. The Norwegian version was pilot tested in a sample of patients and then validated in the target population.

Setting

Norway, using a web-based solution to collect data.

Patients

A random sample of Norwegian individuals

Main outcome measures

Internal consistency was tested using Cronbach’s α and test–retest reliability using intraclass correlation coefficient (ICC). Difficulty and discrimination indices were determined for the Knowledge scale. Confirmatory factor analysis (CFA) was used to assess structural validity of the Risk scale.

Results

Data for 746 participants (mean age, SD: 66.4, 10.3 years), of which 26.9% females were analysed. The Norwegian version showed satisfactory internal consistency (Cronbach’s α 0.73–0.79) but modest test–retest reliability (ICC 0.35–0.64). The Knowledge scale showed moderate difficulty (0.39–0.84) and good discrimination power (0.44–0.60). The one-factor model CFA for each scale achieved acceptable fit, and the four-factor model showed moderate fit (root mean square error of approximation=0.05, standardised root mean squared residual=0.07, Comparative Fit Index=0.91, Tucker-Lewis Index=0.88).

Conclusions

The Norwegian translated ABCD Risk Questionnaire demonstrated satisfactory psychometric properties and can be considered a useful instrument for assessing knowledge and risk perception among individuals with a history of myocardial infarction.

Development and validation of the Good Limb Position Management Scale for Stroke Patients with Hemiplegia by Nurses: a cross-sectional study

Por: Leng · M. · Dong · Y. · Liu · B. · Zhang · X. · Ji · X. · Sun · F. · Li · M. · Yang · L. · Chen · X.
Background

A good limb position (GLP) plays an important role in the rehabilitation process of patients who have had a stroke with hemiplegia. However, there remains a lack of effective assessment tools for clinical nurses to evaluate their GLP management practices.

Objective

This study aimed to develop and test the psychometric properties of the Good Limb Position Management Scale for Stroke Patients with Hemiplegia by Nurses (GLPMSSPHN).

Design

A quantitative and cross-sectional design.

Setting

89 hospitals in 16 cities of China.

Participants

A total of 516 participants completed the questionnaire and were finally used for the analyses.

Main outcome measures

An initial scale was developed based on the Capability, Opportunity and Motivation-Behaviour model combined with a comprehensive literature review, semi-structured interviews, Delphi expert consultations and a pilot test. A field survey was then performed using the initial scale to test the reliability and validity of the scale. Reliability analysis was conducted by calculating Cronbach’s α coefficients and test–retest reliability. The results of exploratory factor analysis and confirmatory factor analysis were used as the validity index to further verify the model structure of the scale and develop a formal scale.

Results

The GLPMSSPHN was formulated with 4 dimensions and 35 items. Exploratory factor analysis extracted four factors, with a cumulative variance contribution rate of 81.842%, and confirmatory factor analysis indicated that the scale had good construct validity. The Cronbach’s α coefficient of the scale was 0.978, and the test–retest reliability was 0.863.

Conclusions

The GLPMSSPHN has ideal reliability and validity and provides a valid and reliable tool for clinical nurses to identify and assess the management level of GLP in patients who have had a stroke with hemiplegia.

Identifying social determinants of health subgroups and their associations with health outcomes in a prospective US adult COVID-19 cohort: an analysis of the INSPIRE registry

Por: Burrola-Mendez · Y. · Lin · E. · Parrish · C. · Hsu · C. · Hill · M. J. · Gottlieb · M. · Rising · K. L. · Wisk · L. E. · Gentile · N. L. · Geyer · R. E. · Weinstein · R. A. · Santangelo · M. · Gatling · K. · Dyal · J. W. · Elmore · J. G. · Rodriguez · R. M. · Watts · P. · Chen · J. · Diao
Objective

To identify subgroups with similar social determinants of health (SDOH) characteristics using latent class analysis (LCA) and examine their associations with physical and mental health, cognitive function and missed workdays at 3 and 6 months post-SARS-CoV-2 infection. We hypothesised that intersecting SDOH factors would differentially influence COVID-19-related health outcomes across subgroups.

Design

Prospective cohort study from the Innovative Support for Patients with SARS-CoV-2 Infections Registry (INSPIRE), with longitudinal data collection and cross-sectional analyses at baseline, 3-month and 6-month follow-ups.

Setting

Multicentre registry across eight US academic medical centres (Chicago, Dallas, Houston, Los Angeles, New Haven, Philadelphia, San Francisco and Seattle).

Participants

Adults aged ≥18 years, fluent in English or Spanish, with self-reported acute COVID-19 symptoms and a confirmed positive SARS-CoV-2 test within 42 days before enrolment (9 December 2020 to 12 August 2022), and access to an internet-connected device. Exclusions included incarceration, inability to provide informed consent, lack of confirmed SARS-CoV-2 infection or no internet access. Of 3791 eligible participants with complete baseline data, 2897 (76.4%) completed the 3-month follow-up and 2666 (70.3%) completed the 6-month follow-up; most were aged 18–49 years (74–75%), female (66–67%), white (86.6–87.5%) and non-Hispanic (86.6–87.5%).

Outcome measures

Prespecified primary outcomes were physical and mental health (Patient-Reported Outcomes Measurement Information System (PROMIS)-29 V.2.1 T-scores for depression, anxiety, fatigue, sleep disturbance, pain interference, physical function and social participation), cognitive function (PROMIS Cognitive Function Short Form 8 T-scores) and missed workdays due to illness (binary: >1 week vs ≤1 week, from a single-item survey). All measures were self-reported and collected at baseline, 3 months and 6 months; no changes from protocol.

Results

LCA identified a 4-class model as optimal (lowest Bayesian Information Criterion (BIC) after evaluating 1–7 class models; significant demographic differences (2 p

Conclusions

In this US prospective cohort, SDOH-based subgroups showed persistent disparities in health outcomes post-SARS-CoV-2 infection. Findings highlight the urgent need for intersectional approaches to address systemic inequities in post-COVID-19 recovery.

Trial registration number

NCT04610515.

Randomised multiple centre trial of conservative versus liberal fluid administration for children receiving a kidney transplant (LIMITS): clinical trial protocol

Por: Calder · N. D. M. · Kaloyirou · F. · Griffiths · J. · Brown · R. · Hudson · C. · Sharma · R. · Hardwick · H. · Oni · L. · Callaghan · C. · Stevenson · M. · Shenoy · M. · Reynolds · B. · Marks · S. · Wray · J. · Thomas · H. · Peters · M. J. · Hayes · W.
Introduction

In current practice, fluid volumes administered to children following kidney transplant vary widely. Up to 52% of children experience fluid overload-related complications. Current fluid guidelines are not evidence-based and the optimal amount of fluid for children after transplant is not known. The aim of Randomised multiple centre trial of conservative versus LIberal fluid adMInisTration for children receiving a kidney tranSplant (LIMITS) is to determine whether relative limitation of fluid volume administered to children receiving kidney transplants is superior to liberal fluid volume administration.

Methods and analysis

LIMITS is a pragmatic, open-label, UK-based, multicentre randomised controlled trial, with an internal pilot phase and integrated economic evaluation. A total of 140 children receiving kidney transplants will be randomised to receive either conservative postoperative fluid administration (maximum of 150 mL/m2/hour for no longer than 18 hours, followed by a fixed daily target of maximum 1.5 L/m2/day thereafter) versus the comparator of liberal postoperative fluid administration (fluid volume administered to replace urine output and insensible losses for at least 48 hours with target urine output >2 mL/kg/hour). The primary outcome is mean days at home in the first 30 days after kidney transplant. The primary outcome will be analysed using a mixed linear regression model adjusted for donor type (living vs deceased donor) and participant weight (

Ethics and dissemination

The trial received Health Research Authority approval on 20 August 2025 (REC reference: 25/EE/0161, IRAS project ID: 354370). Findings will be presented to academic groups via national and international conferences and peer-reviewed journals. The patient and public involvement group will play an important part in disseminating the study findings to the public domain.

Trial registration number

ISRCTN21516608.

Integrating Dental Healthcare into Primary Health Care through an implementation model in two districts of Karnataka in India: An implementation research study protocol

Por: Chilgod · L. · Krishna B M · R. · Raveendran · R. · B Hebbar · P.
Introduction

Despite progress in primary care, access to oral health remains limited in India. Integrating oral health into primary care can improve oral health outcomes for communities, especially in rural areas. This study aims to develop an implementation model for integrating dental healthcare into primary healthcare systems in Chamarajanagar and Mysuru districts of Karnataka.

Methods and analysis

A mixed-methods implementation research approach will be adopted for this study, comprising three phases: formative, pilot and implementation and evaluation.

A mixed-methods study at the district level will be conducted to capture diverse perspectives and characterise inequalities in oral healthcare access and literacy levels across urban, rural and tribal areas. Oral health literacy surveys, facility preparedness checklists and in-depth interviews will be conducted. With a consultative approach involving stakeholders, we ensure their input in the design and pilot the integrated interventions to build a replicable model for integrating dental health services into primary healthcare.

Through this structured approach, the study seeks to improve overall oral health outcomes and achieve sustainable improvements in oral health at both community and system levels.

Ethics and dissemination

This study has been approved by the Institutional Ethics Committee at the Institute of Public Health Bengaluru (IPH/23-24/E/374). Findings will be disseminated through workshops, presentations and publications in peer-reviewed journals.

Comparative efficacy and acceptability of treatment options for depressive disorders in children and adolescents: protocol of a network meta-analysis

Por: Guo · J. · Lu · Z. · Zhang · Y. · Sun · Y. · Kang · Z. · Sun · J. · Zhao · G. · Feng · X. · Yuan · R. · Zhu · Y. · Yu · T. · Yang · Y. · Chen · H. · Yue · W.
Introduction

The incidence of depression among children and adolescents has been increasing in recent years, posing significant challenges to public health and clinical care. A variety of treatments, including pharmacotherapy, psychotherapy and physical interventions, are widely used in clinical practice. However, a comprehensive synthesis of the evidence on the efficacy and acceptability of all these treatment modalities is currently lacking. This study aims to use network meta-analysis (NMA) to compare the efficacy and acceptability of all available treatments for depression in children and adolescents, offering valuable insights to inform clinical decision-making and guide future research in this critical area.

Methods and analysis

We will include randomised controlled trials evaluating active interventions for depressive disorders in children and adolescents. Seven electronic databases (PubMed, Embase, the Cochrane Library, Web of Science, PsycINFO, Scopus and ClinicalTrials.gov) were searched from inception to 2 July 2024 and updated on 2 November 2025. Two of four investigators will independently screen studies, extract data from eligible articles and assess the risk of bias using the Cochrane Risk of Bias 2.0 tool. The primary outcome will be the change in depressive symptoms. Secondary outcomes will include acceptability (all-cause discontinuation), response rate, remission rate and overall functioning. Pairwise and Bayesian NMA will be conducted. Small-study effects and publication bias will be assessed. The certainty of the evidence will be evaluated according to the Confidence in Network Meta-Analysis approach.

Ethics and dissemination

As this review involves secondary analysis of previously published studies, ethical approval is not required. The findings will be disseminated through publication in peer-reviewed journals.

PROSPERO registration number

PROSPERO-ID CRD42024557384.

Study protocol for a pragmatic parallel-group randomised controlled trial to evaluate the effectiveness of coaching with an online intervention, compared with the online intervention alone, for families of children who have experienced developmental regre

Por: Sim · W. H. · Leo · M. · Bourke-Taylor · H. M. · Bernie · C. · Brignell · A. · Ure · A. · Furley · K. · Fahey · A. M. · Bhopti · A. · Odgers · S. · Picking · L. · Xie · J. · Wu · L. · Yap · M. B. H. · Williams · K.
Introduction

Developmental regression is when children lose one or more skills they have established. Families caring for these children need timely recognition to assist diagnosis and tailored interventions. Families also need support to develop practical skills for caregiving and strategies to promote family well-being and community participation. Given the high caring demands, flexibly delivered approaches are needed to accommodate family routines. Online delivery of health-related interventions that provide coaching, information, or both has been found to be a feasible and effective option for families. Family Focus is a new family-centred online programme, co-designed with parents and family advocates, clinicians, and researchers to support and empower primary carers.

Methods and analysis

This study is a prospective, pragmatic randomised controlled trial comparing the effectiveness of online parent coaching plus Family Focus (Coaching+FF) to Family Focus alone (FF) for primary carers of children experiencing developmental regression. A sample of 56 families will be randomised in a 1:1 ratio. Outcomes are assessed at baseline, post-intervention and 12-month post-randomisation. The primary outcome is parental stress symptoms at post-intervention. Secondary outcomes include parental depressive and anxiety symptoms, parental engagement in health-promoting activities, family empowerment, family quality of life and child global health outcomes. The study will also examine the uptake and acceptability of specific coaching and FF components and explore the facilitators and barriers to their delivery and implementation.

Ethics and dissemination

Ethics approvals were obtained from the participating organisations (Monash Health HREC/107806). Informed consent is obtained from parents/guardians of children prior to study enrolment. Study findings will be disseminated through peer-reviewed publications, conference presentations and lived experience agencies.

Trial registration number

ISRCTN25513446.

HIV self-testing for partners of postpartum women to facilitate HIV pre-exposure prophylaxis and antiretroviral therapy uptake: a protocol to adapt and pilot an intervention via a pilot randomised controlled trial in South Africa

Por: Psaros · C. · Beesham · I. · Mosery · N. · Aoun · Z.-M. R. · Bhardwaj · A. · Ndlovu · L. · Ntanzi · N. · Pratt · M. C. · Chikovore · J. · Smit · J. A. · Matthews · L. T.
Introduction

South African women are vulnerable to HIV acquisition during the postpartum period which can result in perinatal transmission via breastfeeding; many male partners do not know their HIV status. Biomedical approaches to preventing HIV for postpartum women include pre-exposure prophylaxis (PrEP) and antiretroviral treatment for male partners with HIV. Gaps in implementation include low uptake of PrEP among postpartum women and infrequent testing of men who may be motivated to test for HIV to protect the health of their infant.

Methods and analysis

We will conduct a randomised pilot trial in KwaZulu-Natal (KZN) Province, South Africa among postpartum women and their male partners. The study will pilot a combination intervention consisting of cognitive behavioural strategies (including communication skills training, motivational interviewing and problem-solving) to promote HIV self-testing (HIVST) for Partners and PrEP uptake for HIV-uninfected Postpartum Women, the ‘H4P’ intervention. The study aims to determine the feasibility, acceptability and preliminary effectiveness of the H4P intervention. We will enrol 60 HIV-uninfected women, aged 18 years and older, in their third trimester of pregnancy and reporting a partner whose HIV-serostatus is unknown. Sixty male partners will also be eligible to enrol. Enrolled women will receive three oral HIVST kits to distribute to their male partners and standard of care information on HIVST and PrEP. Women randomised to the intervention arm will receive additional counselling and reproductive health-centred HIVST information for the male partner, including information about why HIV testing is important during their partners’ postpartum period. To evaluate feasibility, we will calculate screening-to-enrolment ratios for women and men, the number of women who distribute HIVST kits to their male partners and the number of men who test. Acceptability will be evaluated using the Client Satisfaction Questionnaire and qualitative interviews. Effectiveness will be assessed at 3 months by measuring the proportion of women initiating PrEP via self-report and urine tenofovir measurements or receipt of injectable PrEP and the proportion of men who test positive who link to HIV care. Qualitative interviews will explore perceptions of the intervention.

Ethics and dissemination

Ethics approval for this study was obtained from the Human Research Ethics Committee at The University of the Witwatersrand, Johannesburg, South Africa (Reference number: 250612) and the Institutional Review Boards at Massachusetts General Brigham (2025P002271, Boston, Massachusetts, USA) and the University of Alabama at Birmingham (300015167, Birmingham, Alabama, USA) in the USA. Site support and approvals were obtained from the health facility and the KwaZulu-Natal Provincial Department of Health. Results will be disseminated through peer-reviewed manuscripts, reports and both local and international presentations.

Trial registration number

NCT07194902.

Menopause age and hypercholesterolemia comorbidities: a region-wide retrospective cohort study in Andalusia, Spain (2016-2022)

Por: Esteban-Medina · A. · de la Oliva · V. · Fernandez del Valle · P. · Sanchez · A. · Susin · M. B. · Loucera · C. · Antinolo · G. · Dopazo · J.
Objectives

To quantify sex- and age-related differences in hypercholesterolaemia diagnosis and associated comorbidities around the menopausal transition, using a population-based real-world dataset.

Design

Retrospective, multicentre, non-interventional observational cohort study.

Setting

Region-wide public healthcare system data (primary and secondary care) from Andalusia (Spain), 2016–2022.

Participants

All adult patients meeting inclusion criteria with a recorded diagnosis of hypercholesterolaemia between 1 January 2016 and 31 December 2022 (n=557 034; 227 834 men and 329 200 women).

Interventions

None.

Primary and secondary outcome measures

Primary outcomes were age- and sex-stratified patterns of hypercholesterolaemia diagnosis and comorbidity burden before and after age 50 years (proxy for post-menopausal age). Secondary outcomes included comorbidity-specific comparisons between sexes across age strata and trajectory-based analyses (OR trajectories and incidence-ratio summaries).

Results

Women were diagnosed later than men (mean age 59.1 vs 56.0 years; mean difference 3.1 years, 95% CI 3.03 to 3.17). Hypercholesterolaemia diagnoses in women rose sharply around ages 50–55 and remained higher than in men at older ages. Comorbidity patterns differed by sex across age strata: compared with men, women aged ≥50 years had higher frequencies of osteoporosis (42 255 vs 2623), anxiety disorder (94 916 vs 31 374) and hypertension (147 538 vs 91 532), with statistically significant differences for these comparisons (p

Conclusions

Menopause age is a pivotal period associated with a shift towards higher hypercholesterolaemia diagnosis rates and a greater burden of specific comorbidities in women. These findings support sex-specific prevention and management strategies, particularly targeting the menopausal transition and early post-menopause.

Financial precarity and mental health among French health students: a nationwide cross-sectional study

Por: Tavolacci · M.-P. · Berthelot · P. · Dellamonica · J. · Josseran · L. · Veber · B. · Ladner · J.
Objectives

This study aimed to describe the prevalence and determinants of financial precarity and examine its associations with mental health, healthcare avoidance and academic outcomes among French health students.

Design

Nationwide cross-sectional study based on an online self-administered questionnaire. Multivariate logistic regression models were used to identify factors associated with financial precarity.

Setting

All 34 French health universities.

Participants

A total of 12 565 health students participated, including medical (56%), paramedical (21%), midwifery, odontology, pharmacy or physiotherapy students (12%) and first-year health students (11%).

Primary and secondary outcome measures

Financial precarity was defined as an indicator combining financial insecurity, frequent overdrafts and foregoing essential purchases. Primary outcomes included depressive symptoms, anxiety and emotional exhaustion. Secondary outcomes included healthcare avoidance and academic outcomes.

Results

Among 12,565 respondents, 56% were medical students, 21% were paramedical, 12% midwifery, odontology, pharmacy or physiotherapy and 11% first-year health students. Financial precarity varies by academic fields of health, ranging from 4.6% in first-year health students to 12% in paramedical students. Adjusted analyses showed lower odds of precarity among medical (aOR=0.69; 95% CI 0.52 to 0.83), midwifery, odontology, pharmacy or physiotherapy (aOR=0.55; 95% CI 0.43 to 0.72) and first-year health students (aOR=0.54; 95% CI 0.38 to 0.77) than paramedical students. Risk factors included very low parental socio-economic status (aOR=2.96; 95% CI 2.33 to 3.89) and student loans (aOR=2.78; 95% CI 2.33 to 3.32). Financial precarity was strongly associated with depressive symptoms (aOR=4.90; 95% CI 4.13 to 5.80), anxiety (aOR=3.84; 95% CI 3.13 to 4.52), emotional exhaustion (aOR=8.49; 95% CI 5.98 to 12.06), renouncing healthcare (aOR=6.21; 95% CI 5.01 to 7.70) and repeating a year (aOR=1.80; 95% CI 1.54 to 2.10).

Conclusions

Financial precarity among health students is shaped by economic and academic factors, with family support protective of and low socio-economic background increasing vulnerability, and is associated with poorer mental health, reduced healthcare access and academic difficulties.

Latent profiles of movement behaviour compositions and their associations with adiposity and health-related quality of life in Australian children: a cross-sectional and 12-month longitudinal study

Por: Verswijveren · S. J. · Miatke · A. · Hesketh · K. D. · Ridgers · N. D. · Contardo Ayala · A. M. · Dumuid · D. · Timperio · A. · Lund Rasmussen · C. · Stanford · T. E. · Gusi · N. · Salmon · J.
Objectives

To identify profiles of compositional movement behaviour patterns among children and examine cross-sectional and 12-month associations with adiposity markers and health-related quality of life (HRQoL).

Design

Secondary analysis of data from the TransformUs cluster randomised controlled trial with cross-sectional and 12-month follow-up analyses.

Setting

Primary schools in metropolitan and regional areas of Victoria, Australia.

Participants

Children aged 7–11 years with valid accelerometer at baseline, regardless of demographic, adiposity and HRQoL data available (n=792), were included in the analytical sample for the latent profile analysis.

Measures

Sedentary time, light-intensity physical activity (LPA) and moderate- to vigorous-intensity physical activity (MVPA) along with their respective mean bout lengths were derived from raw acceleration data. Latent profile analysis used these measures (total times, as isometric log ratios and mean bout lengths) as input variables to classify distinct profiles for us as a categorical exposure variable in regression models. Primary outcomes were age- and sex-standardised body mass index, waist circumference and parent-reported HRQoL at baseline. Secondary outcomes were the same measures assessed at 12-month follow-up.

Results

Four distinct profiles were identified. The high MVPA-short sedentary bout profile (n=184) was characterised by the highest levels of MVPA, moderate sedentary time and the shortest mean sedentary bout duration. The low sedentary-high LPA profile (n=54) had the lowest sedentary time, the highest LPA and the longest mean LPA bout duration. Two profiles were characterised by high sedentary time: the high sedentary-long sedentary bout profile (n=149), which had the longest mean sedentary bout durations, and the high sedentary-shorter bouts profile (n=405), which also had high sedentary time but shorter bout durations for all intensities. While the omnibus Wald test for differences across profiles indicated uncertainty in the overall profile effect, the high MVPA-short sedentary bout profile had favourable adiposity levels cross-sectionally compared with the high sedentary-long sedentary bout reference profile in pairwise comparisons. No longitudinal associations were detected.

Conclusions

Four distinct movement profiles were identified. Few pairwise differences between health outcomes were observed. While MVPA remains a key factor for promoting healthy body weight, our findings suggest that a variety of movement patterns - including those characterised by lower sedentary time and higher LPA - may also support health in children.

Trial registration

This study is a secondary analysis of the TransformUs effectiveness-implementation trial, registered with the Australian Clinical Trials Registry (ACTRN12617000204347; 1 April 2017).

Outcomes of invasive mechanical ventilation in critically ill patients with interstitial lung disease: protocol for a systematic review and meta-analysis

Por: Kola · N. · Parker · R. · Hall · A. · Spencer · L. G. · Fletcher · S. V. · Welters · I. D. · Johnston · B. W.
Introduction

Interstitial lung diseases (ILDs) represent a heterogeneous group of disorders, which have in common persistent inflammation and/or pulmonary fibrosis, involving mainly but not exclusively the interstitium. This results in restrictive ventilatory physiology and limited respiratory reserve. Patients with ILD can have frequent exacerbations of their disease, with subsequent acute respiratory failure that may require admission to the intensive care unit (ICU). The diagnosis and management of ILD in the ICU presents unique challenges due to the paucity of evidence supporting survival benefits of organ support in this cohort of patients.

Methods and analysis

This systematic review will be reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement, and the protocol will follow the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) guideline. MEDLINE, Embase, Emcare and CENTRAL will be searched for studies published from inception to 2026, involving adult patients with ILD requiring invasive mechanical ventilation (IMV), with or without comparison to non-invasive respiratory support such as high-flow oxygen, non-invasive ventilation (NIV), continuous positive airway pressure or bilevel positive airway pressure. Eligible studies will include randomised controlled trials and observational studies (cohort and case–control) in adults with ILD and acute respiratory failure requiring IMV in the intensive care setting. Case series with fewer than 10 patients, non-human or in vitro studies and studies involving perioperative lung transplant or lung cancer as the primary diagnosis will be excluded. The primary outcomes assessed will be in-hospital and 1-year mortality, and secondary outcomes will include ventilator-free days, ICU and hospital length of stay, NIV failure, reintubation and postdischarge respiratory outcomes where available. Where feasible, meta-analysis will be conducted using a random-effects model. Heterogeneity will be assessed using the I² statistic. Prespecified subgroup analyses will be performed, including ILD subtype (eg, idiopathic pulmonary fibrosis (IPF) vs non-IPF), presence of pulmonary hypertension, timing of IMV initiation (early vs late), baseline lung function (forced vital capacity ≥50% vs

Ethics and dissemination

This systematic review will be based on published data, and as such, no ethical approval is required. Findings from this study will be disseminated through peer-reviewed publications as well as presentations in healthcare-based settings.

PROSPERO registration number

CRD420251265836.

Global prevalence and determinants of hospital-acquired COVID-19: protocol for a systematic review and meta-analysis

Por: Ribaric · N. L. · ONeill-Byrne · Z. · Hellinger · A. · Pan · D. · Wilson · N. M. · Viola · I. M. · Walsh · T. S. · Lawton · T. · Afanasjevs · S. · Calabria · C. · De Angelis · F. · Brehm · T. T. · Zapf · A.
Introduction

A proportion of patients hospitalised for COVID-19 acquire the disease during their hospital stay, underscoring the risk of hospital-acquired COVID-19 (HA-COVID-19). This risk is presumed to be high, given how commonly and intensely air and surfaces within hospitals are reportedly contaminated with SARS-CoV-2. However, the true extent of HA-COVID-19 worldwide remains unknown, with limited understanding of factors that influence its occurrence and how these have evolved over time. This review will therefore aim to estimate the pooled prevalence of HA-COVID-19 among hospitalised COVID-19 patients globally and investigate differences by country, type of hospitals, medical specialty, length and timing of studied periods.

Methods and analysis

A systematic review and meta-analysis will be conducted adhering to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. MEDLINE and PubMed Central (via PubMed), Scopus, Embase (via Ovid), the Web of Science Core Collection as well as websites of public health agencies (PHA) will be searched until 1 July 2026. All journal articles and sources from PHAs reporting any primary data on the prevalence of HA-COVID-19 will be included. Methodological quality will be assessed using the Joanna Briggs Institute Critical Appraisal Checklist for Studies Reporting Prevalence Data. The primary outcome will be the global prevalence of HA-COVID-19. Data synthesis will include random-effects proportional meta-analysis. Estimates will be presented with two-sided 95% CIs and heterogeneity assessed using the I² statistic.

Ethics and dissemination

Ethical approval is not needed as no original data will be generated. This review will be published in an international, peer-reviewed journal.

PROSPERO registration number

CRD420251136884.

Use of medicinal herbs in an Iranian population: cross-sectional findings from the Fasa PERSIAN Cohort Study

Por: Mosavat · S. H. · Poor · A. K. · Homayounfar · R. · Naghizadeh · M. M. · Farjam · M. · Nayebi · N. · Naghizadeh · A. · Amini · F. · Salehi · M. · Hashempur · M. H.
Objectives

To determine the prevalence, patterns and correlates of medicinal herb use in a rural Iranian population and to evaluate demographic and clinical predictors using adjusted regression models.

Design

Cross-sectional analysis of baseline data from the Fasa Prospective Epidemiological Research Studies in Iran Cohort Study.

Setting

Sheshdeh, a rural district in southern Iran.

Participants

10 143 adults aged 35–70 years enrolled between 2017 and 2019.

Primary outcome measures

Prevalence of self-reported medicinal herb use during the past year and its associations with demographic variables and non-communicable diseases (NCDs).

Results

Overall, 84.7% of participants (95% CI 83.9% to 85.5%) reported herb use. In multivariable logistic regression, higher educational attainment was positively associated with herb use (university education vs. illiterate: adjusted OR 1.41, 95% CI 1.11 to 1.88). No significant adjusted associations were observed between herb use and major NCDs including diabetes, hypertension, ischaemic heart disease or depression. The most frequently used herbs were Zataria multiflora, Echium amoenum and Matricaria chamomilla, most commonly for anxiety/neurasthenia (81.6%), gastric pain (59.6%) and common cold (49.8%).

Conclusions

Medicinal herb use is highly prevalent among adults in southern Iran. Educational level, but not chronic disease status, was associated with herb use. These findings highlight the need for integrated public health strategies regarding safe and evidence-based use of medicinal herbs.

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