Publications by authors named "Theresa Lawrie"

In the wake of the COVID-19 crisis, a need has arisen to prevent and treat two related conditions, COVID-19 vaccine injury and long COVID-19, both of which can trace at least part of their aetiology to the spike protein, which can cause harm through several mechanisms. One significant mechanism of harm is vascular, and it is mediated by the spike protein, a common element of the COVID-19 illness, and it is related to receiving a COVID-19 vaccine. Given the significant number of people experiencing these two related conditions, it is imperative to develop treatment protocols, as well as to consider the diversity of people experiencing long COVID-19 and vaccine injury.

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Background: The ECHO trial randomised 7829 women to depot medroxyprogesterone acetate (DMPA-IM), the copper intrauterine device (IUD) and the levonorgestrel (LNG) implant (1:1:1) and found no clear difference in HIV incidence between these three groups. We have previously hypothesized that oligo-amenorrhoea induced by DMPA-IM may have a protective effect on HIV acquisition. The aim of this ancillary study was to assess the effects of DMPA-IM, the IUD and the LNG implant on menstrual symptoms and sexual behavior and to correlate these with HIV acquisition.

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  • Glioblastoma (GBM) is a very aggressive brain tumor that frequently regrows or worsens after initial treatment, with no clear guidelines on subsequent therapies.
  • The review aimed to assess the effectiveness of various treatments for GBM after patients experienced progression or recurrence, alongside providing an economic overview of existing research.
  • A total of 42 studies, including 34 randomized controlled trials and 8 non-randomized studies involving over 5,200 participants, were evaluated for treatment effectiveness using advanced statistical methods.
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  • Ivermectin, originally an antiparasitic drug, has been tested in multiple clinical trials for its potential to reduce mortality and prevent COVID-19 infection due to its antiviral and anti-inflammatory properties.
  • Meta-analysis of 15 trials indicated that ivermectin significantly lowered the risk of death among COVID-19 patients and showed promise in reducing infection rates, although the evidence for some secondary outcomes was less certain.
  • Overall, while moderate evidence supports ivermectin's efficacy in reducing COVID-19-related mortality, findings on its effectiveness for other outcomes remain inconclusive, highlighting the need for further research.
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  • - The study aimed to compare the effects of DMPA-IM (a birth control injection), LNG implant, and copper IUD on women's mood and sexual function over time.
  • - Results showed that after 12 months, women using DMPA-IM had lower depression rates compared to IUD users, while sexual function remained similar across all methods.
  • - The findings suggest that DMPA-IM may be better for mental health, but feelings about not using it could have influenced participants' wellbeing perspectives.
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  • - Brain tumors are challenging to diagnose due to nonspecific symptoms like headaches and seizures that can be linked to less serious conditions, leading to delays in detection and treatment.
  • - The objectives of the study are to evaluate the effectiveness of various interventions aimed at shortening the time it takes for patients to seek help and receive a diagnosis for brain tumors, along with an economic analysis of these interventions.
  • - The researchers conducted a comprehensive literature search for relevant studies on diagnostic interventions and their economic impact from various databases and timeframes to gather data for their evaluation.
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  • * Methods: The toolkit was developed in three steps, starting with input from specialists, followed by user testing with stakeholders from several countries to gather feedback and improve the tool.
  • * Results: User testing involved 22 health stakeholders across four countries, who found the toolkit useful. They identified various issues that were addressed in a revised version of the toolkit, which includes tools for data assessment and a document that presents the women's-centered approach of the guidelines.
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  • Glioblastoma is a deadly brain tumor that typically requires aggressive treatment, including surgery and chemotherapy, especially challenging for older patients who face increased risks and shorter survival times.
  • The study aimed to identify the most effective and safe treatment methods for elderly patients (aged 65 or 70+) with newly diagnosed glioblastoma, while also evaluating the associated costs and resource utilization.
  • After reviewing numerous clinical trials, 12 randomized studies were included, focusing specifically on older adults with glioblastoma, highlighting the varying definitions of "elderly" and indicating most participants were capable of self-care.
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Background: Clinical practice guidelines suggest that magnetic resonance imaging (MRI) of the brain should be performed at certain time points or intervals distant from diagnosis (interval or surveillance imaging) of cerebral glioma, to monitor or follow up the disease; it is not known, however, whether these imaging strategies lead to better outcomes among patients than triggered imaging in response to new or worsening symptoms.

Objectives: To determine the effect of different imaging strategies (in particular, pre-specified interval or surveillance imaging, and symptomatic or triggered imaging) on health and economic outcomes for adults with glioma (grades 2 to 4) in the brain.

Search Methods: The Cochrane Gynaecological, Neuro-oncology and Orphan Cancers (CGNOC) Group Information Specialist searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE and Embase up to 18 June 2019 and the NHS Economic Evaluation Database (EED) up to December 2014 (database closure).

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  • Gliomas are brain tumors from glial cells, with low-grade gliomas being less aggressive, typically treated with surgery and possibly followed by radiotherapy, raising concerns about long-term neurocognitive effects.
  • This review aims to assess the long-term neurocognitive side effects of radiotherapy (with/without chemotherapy) versus no treatment or alternative types of radiotherapy in glioma patients, defining “long-term” as at least two years post-diagnosis.
  • The authors conducted a comprehensive search for relevant studies, including nine studies with a total of 2406 participants, focusing on those aged 16 and older with cerebral gliomas (excluding glioblastoma) and assessed the quality of the findings using the GRADE approach.
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  • WHO is working to enhance its guideline methodologies to ensure transparency and relevance in decision-making by incorporating a broader range of criteria, including equity, gender, and stakeholder values.
  • Qualitative evidence syntheses (QES) are being increasingly utilized to provide evidence on these diverse decision-making criteria within evidence-to-decision (EtD) frameworks.
  • The paper outlines a step-by-step approach for integrating QES findings into EtD frameworks, including methods for organizing evidence and areas that require further research for effective guideline development.*
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  • The paper discusses how the World Health Organization (WHO) is enhancing its guideline methodology by incorporating qualitative evidence syntheses (QES) to make decision-making more transparent and relevant to end users.* -
  • A group from WHO reviewed their experiences from 2010-2018, focusing on how QES has contributed to understanding the acceptability and feasibility of health interventions, alongside traditional effectiveness data.* -
  • While the findings from QES proved valuable for developing implementation considerations in guidelines, the authors point out that further development is needed regarding the integration of existing health systems frameworks.*
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Background: WHO has recognised the need to ensure that guideline processes are transparent and evidence based, and that the resulting recommendations are relevant and applicable. Along with decision-making criteria that require findings from effectiveness reviews, WHO is increasingly using evidence derived from qualitative evidence syntheses (QES) to inform the values, acceptability, equity and feasibility implications of its recommendations. This is the first in a series of three papers examining the use of QES in developing clinical and health systems guidelines.

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Background: Several uterotonic options exist for prevention of postpartum hemorrhage (PPH); hence, cost-effectiveness is an important decision-making criterion affecting uterotonic choice.

Objective: To conduct a systematic review of cost-effectiveness of uterotonics for PPH prevention to support a WHO guideline update.

Search Strategy: We searched major databases from 1980 to June 2018 and the National Health Services Economic Evaluation (NHS EED) database from inception (1995) to March 2015 for eligible studies.

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Background: This is an updated merged review of two originally separate Cochrane reviews: one on robot-assisted surgery (RAS) for benign gynaecological disease, the other on RAS for gynaecological cancer. RAS is a relatively new innovation in laparoscopic surgery that enables the surgeon to conduct the operation from a computer console, situated away from the surgical table. RAS is already widely used in the United States for hysterectomy and has been shown to be feasible for other gynaecological procedures.

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  • A study was conducted to test whether calcium supplementation before and during early pregnancy could reduce the risk of pre-eclampsia in women who previously had hypertensive disorders in pregnancy.
  • This multicountry trial involved 1,355 women who were randomly assigned to receive either 500 mg of calcium or a placebo daily until 20 weeks' gestation, with all participants taking higher doses afterward.
  • The results showed that pre-eclampsia occurred in 23% of those taking calcium compared to 29% in the placebo group, suggesting that while there was a potential reduction, the results were not statistically significant.
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Background: Cervical cancer is the fourth most common cancer in women, with 528,000 estimated new cases globally in 2012. A large majority (around 85%) of the disease burden occurs in low- and middle-income countries (LMICs), where it accounts for almost 12% of all female cancers. Treatment of stage IB2 cervical cancers, which sit between early and advanced disease, is controversial.

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Background: Pre-eclampsia and eclampsia are common causes of serious morbidity and death. Calcium supplementation may reduce the risk of pre-eclampsia, and may help to prevent preterm birth. This is an update of a review last published in 2014.

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Background: This is the third update of a review that was originally published in the Cochrane Library in 2002, Issue 2. People with cancer, their families and carers have a high prevalence of psychological stress, which may be minimised by effective communication and support from their attending healthcare professionals (HCPs). Research suggests communication skills do not reliably improve with experience, therefore, considerable effort is dedicated to courses that may improve communication skills for HCPs involved in cancer care.

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  • Mistreatment during labor and childbirth prevents women from using health facilities, highlighting the need for respectful maternity care (RMC) as a fundamental human right and an essential part of quality care.* -
  • A systematic review including five studies from Africa assessed the effectiveness of RMC policies in health facilities, showing moderate certainty evidence that these interventions improved women's experiences of respectful care and reduced reports of abusive practices.* -
  • While there were positive changes in care quality and women's experiences, evidence regarding overall satisfaction rates and specific clinical outcomes, like episiotomy rates, was uncertain and lacked strong data.*
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