Publications by authors named "Marie Antignac"

Background: The burden of diabetes is rising dramatically in low- and middle-income countries. The menace of substandard and falsified drugs constitutes a major hazard that compromises healthcare. The DIABDAF study aimed to assess the quality of routinely used antidiabetic drugs including oral drugs and insulins in sub-Saharan Africa.

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Objectives: Oral anticoagulants present significant risks of iatrogenic complications. An educational programme dedicated to patients treated with vitamin-K antagonists (VKAs) or direct oral anticoagulants (DOACs) was set up in our cardiology department in 2013. The aim of this study is to describe and assess our programme's effectiveness, through evaluation of patients' skills and adherence, and to identify associated factors.

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Objectives: To describe the real-life use of temocillin for non-urinary tract infections, to assess its effectiveness in infections caused by ESBL-producing Enterobacterales, and to identify risk factors for treatment failure.

Method: Retrospective multicentric study in 14 tertiary care hospitals, including all patients who received at least one dose of temocillin for ESBL infections from 1 January 2016 to 31 December 2021 for non-urinary tract infections. Failure was a composite criterion defined within 28 day follow-up by persistence or reappearance of signs of infection, and/or switch to suppressive antibiotic treatment and/or death from infection.

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Doravarine (DOR) is an antiviral drug with a marketed authorization for the management of occupational blood and body fluid exposure. The currently existing packaging, consisting of multiple unit bottles comprising 30 tablets, is not fully appropriate for daily nominative dispensing at the hospital. This study aims at assessing the impact of the change in packaging on the key attributes of the drug: assay, impurity profile, and dissolution.

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Because Systemic Lupus Erythematosus (SLE) is a rare disease, and due to the significant prognostic impact of early management, a diagnosis confirmed by a physician with experience in SLE is recommended, for example from an expert center. Once the diagnosis is confirmed, existing manifestations should be identified in particular, renal involvement by an assessment of proteinuria, disease activity and severity should be determined, potential complications anticipated, associated diseases searched for, and the patient's socioprofessional and family context noted. Therapeutic management of SLE includes patient education on recognizing symptoms, understanding disease progression as well as when they should seek medical advice.

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Article Synopsis
  • Belimumab is a monoclonal antibody effective in treating systemic lupus erythematosus (SLE), available in both intravenous and subcutaneous forms, prompting a study to develop a reliable method for measuring its levels in human serum.
  • The study utilized a technique called nano-surface and molecular-orientation limited (nSMOL) proteolysis combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) for quantification, achieving a total assay time of 10 minutes with high accuracy and precision.
  • Results revealed that belimumab concentrations were significantly higher in patients receiving subcutaneous administration compared to intravenous, and the developed method can enhance future research on belimumab's effectiveness and safety in SLE treatment
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Sub-Saharan Africa (SSA) faces the highest rate of hypertension worldwide. Blood pressure (BP) control rests on the association of lifestyle modification and antihypertensive medicines. We aimed to systematically review antihypertensive strategies implemented in SSA to achieve BP control.

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Objectives: Budgetary impact analysis of the replacement of three surgical departments containers with a new perforation-resistant packaging: Ultra® pouches and reels.

Methods: Comparison of projections of containers costs of use to those of Ultra® packaging over six years. For containers, the costs include washing, packaging, curative maintenance (annual costs), and preventive maintenance (every five years).

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Background: Temocillin is a β-lactam that is not hydrolysed by ESBLs.

Objectives: To describe the real-life use of temocillin, to assess its effectiveness in infections caused by ESBL-producing Enterobacterales, and to identify risk factors for treatment failure.

Methods: Retrospective multicentric study in eight tertiary care hospitals in the Greater Paris area, including patients who received at least one dose of temocillin for ESBL infections from 1 January to 31 December 2018.

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Background: In intensive care units, patients are frequently unable to take oral drugs because of orotracheal intubation or sedation.

Local Problem: Adverse events occurred during the administration of drugs by feeding tube. This study assessed the impact of implementing good practice guidelines by a clinical pharmacist on the prescription and administration of drugs through feeding tubes.

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Background: Mobile health applications (apps) are increasing in interest to enhance patient self-management. Few apps are actually used by patients and have been developed for patients with inflammatory arthritis (IA) treated with disease-modifying anti-rheumatic drugs which use entails risk of adverse effects such as infections.

Objective: To develop Hiboot, a self-management mobile app for patients with IA, by using a user-centred step-by-step approach and assess its real-life use.

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Background: Sub-Saharan Africa (SSA) faces the highest rate of hypertension worldwide. The high burden of elevated blood pressure (BP) in black people has been emphasized. Guidelines recommend two or more antihypertensive medications to achieve a BP control.

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Background: Use of traditional medicine (TM) is widespread in sub-Saharan Africa as a treatment option for a wide range of disease. We aimed to describe main characteristics of TM users and estimate the association of TM use with control of hypertension.

Methods: We used data on 2128 hypertensive patients of a cross-sectional study (convenience sampling), who attended cardiology departments of 12 sub-Saharan African countries (Benin, Cameroon, Congo, Democratic Republic of the Congo, Gabon, Guinea, Côte d'Ivoire, Mauritania, Mozambique, Niger, Senegal, Togo).

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Objective: In Africa, the number of patients with hypertension is expected to reach 216.8 million by 2030. Large-scale data on antihypertensive medications used in Sub-Saharan Africa (SSA) are scarce.

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Article Synopsis
  • Ruxolitinib, a Janus Kinase inhibitor, is approved for myelofibrosis and shows potential for treating skin and infectious diseases, but is sensitive to light and lacks data on its photodegradation.
  • A study aimed to address this gap by identifying sensitive sites in the ruxolitinib molecule through theoretical calculations and examining the main products of photodegradation.
  • The findings revealed mechanisms of photo-oxidation that could open the pyrrole ring in the molecule, and some degradation products were found to have structures that may indicate potential mutagenicity.
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Umifenovir is an antiviral drug approved in China and Russia for the treatment of influenza. The available dosage form consists of capsules marketed under the brand name Arbidol®. Due to its broad spectrum, umifenovir may also be used in other viral contexts, alone or combined with other antiviral drugs.

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Objectives: To evaluate an intervention to reduce the nocebo effect (NE) when switching from the originator infliximab (OI) to the infliximab biosimilar SB2 in chronic inflammatory rheumatic disease (CIRD).

Methods: An intervention was built with healthcare professionals (HPs) and a patient representative, based on a systematic review of interventions reducing the NE in musculoskeletal diseases and semi-directed questioning of five patients. Our strategy consisted of training HPs, switch information given by the nurses, a consistent vocabulary.

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  • * A post hoc analysis explored the drug samples and packaging, discovering that captopril's dosage was significantly affected by the type of blister packaging used, specifically in terms of humidity protection.
  • * The study emphasizes the importance of proper packaging materials to ensure drug quality and mitigate risks related to exposure and circulation of medications in those countries.
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Background: Sub-Saharan Africa is experiencing a rising burden of hypertension. Antihypertensive medications and diet are the cornerstone of effective hypertension control.

Aims: To assess adherence to medication and salt restriction in 12 sub-Saharan countries, and to study the relationship between adherence and blood pressure control in patients with hypertension.

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Article Synopsis
  • Low-income countries, like Senegal, are experiencing a shift from primarily infectious diseases to more non-communicable diseases, but this has not been thoroughly researched using long-term data on illness patterns.
  • A study evaluated emergency medical consultations from 2005 to 2014 in Dakar, categorizing diagnoses as infectious, non-communicable, and others, revealing an annual increase of 7% in non-communicable conditions over the decade.
  • The findings indicate that non-communicable diseases are more prevalent among older adults and women, suggesting a need for healthcare policies in Sub-Saharan Africa to adapt to this changing disease landscape.
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