Publications by authors named "Luigi R Codecasa"

Even if in the past years new effective, safe, and orally administrable drugs are available to create shorter regimens, drug-resistant (DR) tuberculosis (TB) treatment remains a critical issue and a major challenge faced by clinicians worldwide. We present the first case of transborder pulmonary pre-extensively drug-resistant (pre-XDR)-TB treated in Italy with the bedaquiline-pretomanid-linezolid regimen. Diagnosis and treatment were started in Ukraine, and, after a month of treatment, due to the Russo-Ukrainian war, the patient moved to Italy, where the diagnosis was confirmed both by genotypic and phenotypic drug susceptibility tests, and treatment continued.

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Objective: Many biologic agents cause some degree of immunosuppression, which can increase the risk of reactivation of tuberculosis infection (TBI). This risk is variable between individual biologics. We aimed to assess current (and recommended) clinical practice of TBI screening and treatment among patients initiating treatment with biologic agents.

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Objectives: This study aimed to examine the efficacy of whole genome sequencing (WGS) in accurately predicting susceptibility profiles, potentially eliminating the need for conventional phenotypic drug susceptibility testing (pDST) for first-line antituberculosis drugs in routine tuberculosis diagnosis.

Methods: Over the period of 2017 to 2020, 1114 Mycobacterium tuberculosis complex isolates were collected with drug susceptibility testing conducted using the MGIT960 system and WGS performed for predicting drug resistance profiles. In addition, we implemented a new algorithm with an updated WGS workflow, omitting pan-susceptible strains from pDST.

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Six lineages of Mycobacterium tuberculosis sensu stricto (which excludes M. africanum) are described. Single-country or small observational data suggest differences in clinical phenotype between lineages.

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Article Synopsis
  • This global study investigates the long-term outcomes of patients with tuberculosis (TB) and COVID-19, highlighting a lack of prior longitudinal data on this combined condition.
  • Data was collected from 788 patients across 31 countries from March 2020 to September 2022, showing a mortality rate of 10.8% during the study period.
  • Key factors influencing mortality included older age, HIV infection, and the need for invasive ventilation, with patients suffering from both diseases experiencing significantly lower survival rates compared to those with only one of the diseases.
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Eight lineages of are described. Single-country or small observational data suggest differences in clinical phenotype between lineages. We present strain lineage and clinical phenotype data from 12,246 patients from 3 low-incidence and 5 high-incidence countries.

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Background: Although interest in nontuberculous mycobacteria (NTM) infection has increased in the last decades, published data vary according to different geographical areas, diagnostic facilities and quality of study design. This study aims at assessing both prevalence and incidence of NTM infection and NTM pulmonary disease (NTM-PD) among adults with bronchiectasis, to describe patients' characteristics, therapeutic options and clinical outcomes.

Methods: Bronchiectasis adults who had been tested for NTM were enrolled at the Bronchiectasis Program of the Policlinico Hospital in Milan, Italy, from 2016 to 2018.

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Article Synopsis
  • - This study analyzed lockdown measures and tuberculosis trends in 24 countries during the first year of the COVID-19 pandemic.
  • - Several countries imposed various restrictions, including mask mandates and travel limitations, resulting in multiple lockdowns and partial reopenings.
  • - While national lockdowns helped control COVID-19, they also led to a decrease in cases of active and latent tuberculosis, indicating a complex relationship between the pandemic and tuberculosis health indicators.
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Even if major improvements in therapeutic regimens and treatment outcomes have been progressively achieved, tuberculosis (TB) remains the leading cause of death from a single infectious microorganism. To improve TB treatment success as well as patients' quality of life, drug-drug-interactions (DDIs) need to be wisely managed. Comprehensive knowledge of anti-TB drugs, pharmacokinetics and pharmacodynamic (PK/PD) parameters, potential patients' changes in absorption and distribution, possible side effects and interactions, is mandatory to built effective anti-TB regimens.

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Tuberculosis (TB) does not respect borders, and migration confounds global TB control and elimination. Systematic screening of immigrants from TB high burden settings and-to a lesser degree TB infection (TBI)-is recommended in most countries with a low incidence of TB. The aim of the study was to evaluate the views of a diverse group of international health professionals on TB management among migrants.

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Background: Pulmonary nontuberculous mycobacterial (pNTM) infection is mainly acquired through the inhalation of bioaerosols. Nevertheless, behavioural restrictions are rarely given by clinicians to susceptible populations, in part because the available guidelines for pNTM management emphasize more diagnosis and treatment than prevention. Aim of this review is to clarify if pNTM prevention should routinely include recommendations about risk reducing behaviors.

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Article Synopsis
  • Detecting tuberculosis (TB) in cases of extrapulmonary infection is challenging due to low levels of bacteria and limited availability of fresh samples for traditional culture testing.
  • A study evaluated homemade droplet digital PCR (ddPCR) assays using biopsies, comparing their effectiveness against culture methods on fresh and formalin-fixed, paraffin-embedded (FFPE) samples.
  • Results showed that the IS6110 ddPCR assay had high sensitivity (98.5%) and accuracy (98.9%) for diagnosing TB compared to traditional methods, outperforming both the rpoB assay and other diagnostic techniques like Xpert and acid-fast bacilli smear microscopy.
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Tuberculosis (TB) unevenly affects individuals across the globe, especially in rural areas of low-income countries. Aim of the study was to assess the impact of social protection to increase TB awareness on treatment outcomes among TB patients in a rural area of Senegal. The study, conducted in Fimela district (Senegal) from 1 January 2010 to 31 December 2019 and the intervention started from 31 January 2013, includes activities to increase awareness, active case finding, active follow-up and social protection.

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Patients with refractory complex (MAC) lung disease have limited treatment options. In the CONVERT study, amikacin liposome inhalation suspension (ALIS) added to guideline-based therapy (GBT) increased culture conversion rates versus GBT alone by Month 6. Limited data are available regarding >6-month treatment in a refractory population.

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COVID-19, the novel coronavirus pandemic, has already spread around the globe affecting more than 18 million people. As previously observed with other coronaviruses, SARS-CoV-2 deeply dysregulate the immune system eliciting respiratory failure and a state of systemic hyperinflammation in severely ill individuals. Immunotherapy is often used to downgrade the detrimental effects of the disease sustained by high-level of cytokines.

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Coronavirus disease has disrupted tuberculosis services globally. Data from 33 centers in 16 countries on 5 continents showed that attendance at tuberculosis centers was lower during the first 4 months of the pandemic in 2020 than for the same period in 2019. Resources are needed to ensure tuberculosis care continuity during the pandemic.

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Adverse events are frequent in nontuberculous mycobacteria pulmonary disease treatment, but evidence to support their management is scarce. An expert panel survey on management of adverse events shows consistent opinions on management of hepatoxicity, ocular toxicity, ototoxicity, tinnitus, and gastrointestinal upset. These opinions can provide assistance in individual patient management decisions.

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Tuberculosis (TB) and humans have coexisted for more than 40,000 years; however TB remains a global threat to human kind. The international community has developed new tools for early detection, but TB strains evolved acquiring resistance to first-line therapeutic drugs with increasing treatment challenges. Furthermore, TB has formed also an alliance with human immunodeficiency virus; in this way the poorest populations are most affected.

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