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1.
Journal of Psychosomatic Research ; Conference: 10th annual scientific conference of the European Association of Psychosomatic Medicine (EAPM). Wroclaw Poland. 169 (no pagination), 2023.
Artigo em Inglês | EMBASE | ID: covidwho-20236441

RESUMO

Background: Functional Somatic Disorders (FSDs) are characterized by persistent physical symptoms that cannot be explained by other somatic or psychiatric conditions. Multiple Chemical Sensitivity (MCS) is a non-allergic FSD characterized by odour intolerance and various somatic symptoms being attributed to the influence of toxic environmental chemicals in low, usually harmless doses. The pathophysiology of FSDs are still not clear. Smell and taste complaints were also among the notable symptoms characterizing the covid epidemic and the latest evidence suggests overlaps between long COVID and FSDs. Method(s): The study includes advanced analysis of MRI-derived functional and structural connectomes acquired on a 3 T MR scanner. Furthermore, it includes questionnaires and paraclinical tests, e.g. the Sniffin' Stick olfactory test, Mini-Mental State Examination, and Sino-Nasal Outcome test 22. The pilot part of the project included 6 MCS patients who were compared with 6 matched healthy participants. Later follow-up included analysis of 8 multiorgan FSD and 4 post-COVID patients. Result(s): The MCS group showed important brain structural connectivity differences in 34 tracts. Notably, for MCS patients, the olfactory cortex (especially in the right hemisphere) showed decreased connectivity with regions in the emotional system. Conclusion(s): We plan to extend these findings with whole-brain modelling of the functional connectivity in the patient groups. Long-term this could be used as a 'fingerprint' which could help with diagnosis and treatment monitoring in FSDs as well as with new diagnoses such as long-COVID.Copyright © 2023

2.
European Journal of Human Genetics ; 31(Supplement 1):708, 2023.
Artigo em Inglês | EMBASE | ID: covidwho-20233214

RESUMO

Background/Objectives: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causing coronavirus disease (COVID-19) enters the lung tissue through exocytosis, leading to the release of a large amount of pro-inflammatory cytokines called 'cytokine storm'. The aim was to provide more insight into relationship between plasma cytokines profile and fatal outcome of COVID-19. Method(s): Plasma cytokines (IL-17F,GM-CSF,IFNg,IL-10,CCL20/ MIP3a,IL-12P70,IL-13, IL-15,IL-17A,IL-22,IL-9,IL-1b,IL-33,IL-2,IL-21,IL-4,IL-23,IL-5,IL-6,IL-17E/IL-25,IL-27,IL-31,TNFa,TNFb,IL-28A) were detected in 30 patients with severe COVID-19 by a Luminex assay system with Milliplex Human Th17 Magnetic Premix 25 Plex Kit (HT17MG-14K-PX-25, Merk-Millipore, USA) according to the instructions. Patients were followed up for 30 days since admission to intensive care. 18 patients died and 12 patients survived during the period of observation. The control group comprised 10 individuals who had never been diagnosed with COVID-19. Result(s): IL-10 and CCL20/MIP3a plasma levels were elevated in non-survivors patients with COVID-19 compared to controls (p = 0.0027, p = 0.012, respectively). IL-15, IL-6, IL-27 plasma levels were higher in survivors with COVID-19 compared to controls (p = 0.049, p = 0.026, p = 0.00032, respectively). Interestingly, IL-15, IL-27 plasma levels were increased in non-survivors with COVID-19 compared to controls and survivors with severe COVID-19 (IL-15: p = 0.00098, p = 0.00014, respectively;IL-27: p = 0.011, p < 0.0001, respectively). Receiver operating characteristic (ROC) analysis has been conducted for IL-15 and IL-27. Cut-off value was estimated as 25.50 pg/ml for IL-15 and 1.51 pg/ml for IL-27. Conclusion(s): Our study demonstrated a more pronounced immune response in non-surviving patients with severe COVID-19. IL-15, IL-27 could be considered as a sensitive biomarker of the fatal outcome from COVID-19.

3.
Danish Medical Journal ; 70(3) (no pagination), 2023.
Artigo em Inglês | EMBASE | ID: covidwho-2259290

RESUMO

INTRODUCTION. Two-thirds of patients with COVID-19 developed smell and taste dysfunction, of whom half experienced improvement within the first month. After six months, 5-15% still suffered from significant olfactory dysfunction (OD). Before COVID-19, olfactory training (OT) was proved to be effective in patients with post-infectious OD. Therefore, the present study aimed to investigate the progress of olfactory recovery with and without OT in patients with long COVID-19. METHODS. Consecutive patients with long COVID-19 referred to the Flavour Clinic at Godstrup Regional Hospital, Denmark, were enrolled. The diagnostic set-up at the first visit and follow-up included smell and taste tests, questionnaires, ENT examination and instructions in OT. RESULTS. From January 2021 to April 2022, 52 patients were included due to long COVID-19-related OD. The majority of patients complained of distorted sensory quality, in particular, parosmia. Two-thirds of the patients reported a subjective improvement of their sense of smell and taste along with a significant decline in the negative impact on quality of life (p = 0.0001). Retesting at follow-up demonstrated a significant increase in smell scores (p = 0.023) where a minimal clinically important difference (MCID) in smell scores was found in 23% of patients. Full training compliance was significantly associated with the probability of MCID improvement (OR = 8.13;p = 0.04). CONCLUSIONS. The average effect of OT is modest;however, full training compliance was significantly associated with an increased probability of a clinically relevant olfactory improvement. FUNDING. none. TRIAL REGISTRATION. not relevant.Copyright © 2023, Almindelige Danske Laegeforening. All rights reserved.

4.
Zeitschrift fur Gastroenterologie ; 61(1):e55, 2023.
Artigo em Inglês | EMBASE | ID: covidwho-2249981

RESUMO

Background and Aims Viral infections occur acutely but can also progress chronically, with the immune system having a central role in immunopathoge-nesis. The question arises whether all alterations in immune responses are reversible after viral elimination (spontaneously or by therapy). Therefore, the aim of this study is to compare soluble infammatory markers (SIM) during and after infection with SARS-CoV-2 and acute and chronic HCV-infections. Patients and Method Patients with acute HCV (n = 29), chronic HCV (n = 54), SARS-CoV-2 (n = 39) and 31 healthy-controls were included. Blood samples were tested at baseline, end of treatment/infection, and follow-up ( >= 9 months after baseline). IL-12p70, IL-1b, IL-4, IL-5, IL-6, IL-8, TNF, IFN-g, IL-10, IL-22, CXCL-10, MCP-1, MIP-1b, ITAC were quantified using the HD-SP-X Imaging and Analysis SystemTM. Results SIM profiles in patients with acute HCV were substantially elevated at baseline and the decrease during follow-up was considerably less compared to the SARS-CoV-2 cohort. In chronic HCV-patients, viral elimination by therapy resulted in a decrease in SIM, although not always to those of controls. Cirrhotic HCV patients had higher SIM levels after HCV elimination than non-cirrhotic chronic HCV-patients. In the SARS-CoV-2 cohort, most SIM returned to levels of controls 3 months after baseline. Conclusions SIM profiles and kinetics after viral elimination difer between blood-borne acute and chronic HCV- and respiratory SARS-CoV-2-infections. The immunologic imprint 9 months after cured HCV-infection (both acute and chronic) appears to be more pronounced than after SARS-CoV-2-infection. Further analysis is needed to correlate the SIM profle with the clinical pheno-type (long-HepC vs. long-COVID-19).

5.
Current Psychiatry Research and Reviews ; 19(1):79-88, 2023.
Artigo em Inglês | Scopus | ID: covidwho-2288299

RESUMO

Background: The COVID-19 pandemic has significantly impacted people's psychological functioning, including how they cope with anxiety. This study aimed to assess the role of coping styles in the relationship between COVID-19 anxiety and Washing ObsessiveCompulsive Disorder (W-OCD) symptoms. Methods: A cross-sectional study was performed on 420 people living in Kashan city (Iran) from March to April, 2020. Participants were selected by the convenience sampling method due to the difficulties brought about by COVID-19 and completed the contamination subscale of the Padua Inventory, COVID-19 anxiety inventory, and coping strategies scale. Data were analyzed by structural equation modeling (SEM) using AMOS-22. Results: The results revealed that emotion-focused, somatization and social support coping strategies were significantly associated with W-OCD symptoms. Also, there was a significant correlation between COVID-19 anxiety and the W-OCD symptoms. SEM results revealed that emotion-focused and somatization coping strategies positively mediated the relationship between COVID-19 and W-OCD symptoms. Conclusion: Emotion-focused and somatization coping strategies increase W-OCD symptoms following COVID-19 anxiety. Psychoeducation interventions addressing COVID-19's physical and psychological impacts on health, discriminating the rational and adaptive behavior and obsessive and compulsive behaviors, and restricting the information gathering from numerous sources, which may lead to increased negative emotions, might be helpful. © 2023 Bentham Science Publishers.

6.
Journal of Population Therapeutics and Clinical Pharmacology ; 30(3):e505-e514, 2023.
Artigo em Inglês | EMBASE | ID: covidwho-2261976

RESUMO

The SARS-CoV-2 virus causes a contagious disease known as Coronavirus Disease 2019 (COVID-19). It began spreading globally in 2019 and is still producing pandemics today. Different COVID-19 vaccinations offer protection against this illness. Pfizer-BioNTech and Sinopharm were the two vaccine manufacturers with the highest usage in Iraq. Both vaccines use a different method to activate the immune system. This study seeks to compare the IL-22, IL-37, and IL-38 levels in those who received either the Sinopharm or the Pfizer-BioNTech COVID-19 vaccination. IL-22, IL-37, IL-38 levels have been shown to be upregulated in COVID-19 patients. In this study, IL-22, IL-37, and IL-38 levels were tested in 80 healthy controls and 100 COVID-19 patients 14-21 days after recovery. Additionally, people who received the Sinopharm or Pfizer-BioNTech vaccine (50 each) were monitored 21 days after the first dosage and 21 days after the second dose. In comparison to controls, serum levels were noticeably higher in recovered patients. Except for the first dosage of Pfizer BioNTech, the first and second doses of Sinopharm and Pfizer BioNTech were linked to considerably higher levels of IL-22, IL-37, and IL-38 compared to controls or recovered patients. where IL-22, IL-37, and IL-38 levels did not show significant differences compared to recovered patients. In conclusion, lower IL-37 and IL-38 molecule levels were linked to recovery from COVID-19, although these levels remained considerably greater in recovered patients compared to uninfected controls. Vaccination with Sinopharm or Pfizer-BioNTech confirmed the up-regulating effects of SARS-CoV-2 on IL-22, IL-37, and IL-38 levels.Copyright © 2023, Codon Publications. All rights reserved.

7.
Russian Journal of Infection and Immunity ; 12(5):859-868, 2022.
Artigo em Inglês | EMBASE | ID: covidwho-2227673

RESUMO

In our study, we aimed to evaluate the significance of specific cytokines in blood plasma as predictive markers of COVID-associated mortality. Materials and methods. In plasma samples of 29 patients with PCR-confirmed COVID-19 we measured the concentrations of 47 molecules. These molecules included: interleukins and selected pro-inflammatory cytokines (IL-1alpha, IL-1beta, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-9, IL-12 (p40), IL-12 (p70), IL-13, IL-15, IL-17A/CTLA8, IL-17-E/IL-25, IL-17F, IL-18, IL-22, IL-27, IFNalpha2, IFNgamma, TNFalpha, TNFbeta/Lymphotoxin-alpha(LTA));chemokines (CCL2/MCP-1, CCL3/MIP-1alpha, CCL4/MIP-1beta, CCL7/MCP-3, CCL11/Eotaxin, CCL22/MDC, CXCL1/GROalpha, CXCL8/IL-8, CXCL9/MIG, CXCL10/IP-10, CX3CL1/Fractalkine);anti-inflammatory cytokines (IL-1Ra, IL-10);growth factors (EGF, FGF-2/FGF-basic, Flt-3 Ligand, G-CSF, M-CSF, GM-CSF, PDGF-AA, PDGFAB/BB, TGFalpha, VEGF-A);and sCD40L. We used multiplex analysis based on xMAP technology (Luminex, USA) using Luminex MagPix. As controls, we used plasma samples of 20 healthy individuals. Based on the results, we applied Receiver Operating Characteristic (ROC) analysis and Area Under Curve (AUC) values to compare two different predictive tests and to choose the optimal division point for disease outcome (survivors/non-survivors). To find optimal biomarker combinations, we as used cytokines concentrations as dependent variables to grow a regression tree using JMP 16 Software.Results. Out of 47 studied cytokines/chemokines/growth factors, we picked four pro-inflammatory cytokines as having high significance in evaluation of COVID-19 outcome: IL-6, IL-8, IL-15, and IL-18. Based on the results received, we assume that the highest significance in terms of predicting the outcome of acute COVID-19 belongs to IL-6 and IL-18. Conclusion. Analyzing concentrations of IL-6 and IL-18 before administering treatment may prove valuable in terms of outcome prognosis. Copyright © Arsentieva N.A. et al., 2022.

8.
Annals of the Rheumatic Diseases ; 81:927-928, 2022.
Artigo em Inglês | EMBASE | ID: covidwho-2008837

RESUMO

Background: Comorbidities, particularly cardio-metabolic disorders, are highly prevalent in patients with psoriatic arthritis (PsA) and they were associated with an increased risk of atherosclerotic cardiovascular disease, which have been associated with higher morbidity and mortality. Whether PsA enhances the risk of SARS-CoV-2 infection or affects the disease outcome remains to be ascertained. Objectives: To describe the sociodemographic, clinical and treatment characteristics of patients with PsA with confrmed SARS-CoV-2 infection from the SAR-COVID registry and to identify the variables associated with poor COVID-19 outcomes, comparing them with those with rheumatoid arthritis (RA). Methods: Cross-sectional observational study including patients ≥18 years old, with diagnosis of PsA (CASPAR criteria) and RA (ACR/EULAR 2010 criteria), who had confrmed SARS-CoV-2 infection (RT-PCR or serology) from the SAR-COVID registry. Recruitment period was between August 13, 2020 and July 31, 2021. Sociodemographic variables, comorbidities, and treatments were analyzed. To assess the severity of the infection, the ordinal scale of the National Institute of Allergy and Infectious Diseases (NIAID)1 was used, and it was considered that a patient met the primary outcome, if they presented criteria of categories 5 or higher on the severity scale. For this analysis, Chi2 test, Fisher's test, Student's test or Wilcoxon test, and binomial logistic regression using NIAID>=5 as dependent variable were performed. Results: A total of 129 PsA patients and 808 with RA were included. Clinical characteristics are shown in Table 1. Regarding PsA treatment, 12.4% of PsA were receiving IL-17 inhibitors, 5.4% IL12-23 inhibitors, one patient apremilast and one abatacept. The frequency of NIAID≥5 was comparable between groups (PsA 19.5% vs RA 20.1%;p=0.976). (Figure 1). PsA patients with NIAID≥5 in comparison with NIAID<5 were older (58.6±11.4 vs 50±12.5;p=0.002), had more frequently hypertension (52.2% vs 23%;p=0.011) and dyslipidemia (39.1% vs 15%;p=0.017). In the multivariate analysis, age (OR 1.06;95% CI 1.02-1.11) was associated with a worse outcome of the COVID-19 (NIAID≥5) in patients with PsA, while those who received methotrexate (OR 0.34;95% CI 0.11-0.92) and biological DMARDs (OR 0.28;95% CI 0.09-0.78) had a better outcome. Conclusion: Although PsA patients have a higher frequency of cardiovascular and metabolic comorbidities than those with RA, the COVID-19 severity was similar. Most of the patients had mild SARS-CoV-2 infection and a low death rate.

9.
Gut ; 71, 2022.
Artigo em Inglês | EMBASE | ID: covidwho-2002965

RESUMO

The proceedings contain 374 papers. The topics discussed include: optical biopsy with linked color imaging accurately predicts inflammation in ulcerative colitis;predicting use of opiates in patients with inoperable pancreatic cancer: a retrospective cohort study;unbiased clustering of breath signature in NAFLD identifies disease progression high-risk patient phenotype - 5 year study;prevalence of malnutrition screening;the association between IBD and mental ill health: a retrospective primary care cohort study;the interleukin 22//neutrophil axis is associated with treatment resistance in ulcerative colitis;neuromuscular dysfunction in patients with nausea and vomiting syndrome defined by body surface gastric mapping;two-tiered liver fibrosis assessment in primary care annual diabetic screening 3 year follow up;can an algorithm help in the difficult dilemma of upper gastrointestinal bleed and anticoagulant COVID-19 pandemic and alcohol-specific hospital admissions;and upper gastrointestinal hemorrhages and COVID-19: a nationwide cohort study of the pandemic's impact on hospitalizations.

10.
Journal of Hepatology ; 77:S889, 2022.
Artigo em Inglês | EMBASE | ID: covidwho-1996651

RESUMO

Background and aims: The global pandemic has inevitably diverted resources away from management of chronic diseases, including cirrhosis, where up to 40% of patients are readmitted with new cirrhosis decompensation events. Whilst there is increasing knowledge on COVID-19 infection in liver cirrhosis, little is described on the impact of the pandemic on decompensated cirrhosis admissions and outcomes, which was the aim of this study. Method: A single-centre, retrospective study, evaluated decompensated cirrhosis admissions to a tertiary London hepatology and transplantation centre, from October 2018 to February 2021. Patients were included if they had an admission with cirrhosis decompensation defined as new onset jaundice or ascites, infection, encephalopathy, portal hypertensive bleeding or renal dysfunction. Admissions were excluded if they lasted <24 hours,were elective or occurred post liver-transplant. Results: Therewere 351 admissions in the pre-COVID period (October 2018 to February 2020) and 240 admissions during the COVID period (March 2020 to February 2021), with an average of 20.4 admissions per month throughout. Patients transferred in from secondary centres had consistently higher severity scores during the COVID period (UKELD 58 versus 54;p = 0.007, MELD Na 22 versus 18;p = 0.006, AD score 55.0 versus 51.0;p = 0.055). The proportion of ITU admissions pre versus during-COVID stayed constant (22.9% versus 19.2%), but there was a trend towards increased ICU admissions with acute-on-chronic liver failure (ACLF) (73.9% versus 63.8% prepandemic). Of those admitted to the intensive care without ACLF, there was a significant increase in EF-CLIF acute decompensation (AD) scores during the COVID period (58 versus 48, p = 0.009). In addition, there was a trend towards increased hospital re-admission rates during the COVID period (29.5% versus 21.5%, p = 0.067). When censored at 30 days, time to death post discharge was significantly reduced during the COVID period (p < 0.05) with a median time to death of 35 days compared to 62 days pre-COVID.(Figure Presented)Conclusion: This study provides a unique perspective on the impact that the global pandemic had on the clinical course and characteristics of decompensated cirrhosis admissions. The findings of increased early mortality and re-admissions, and higher AD scores, indicating increased disease morbidity, highlight the need to maintain resourcing on providing high-level hepatology care. Given that COVID-19 will likely be a chronic issue, alternative care pathways such as remote monitoring may need adoption to facilitate continuity of care post-discharge and to reduce readmission rates and morbidity in the future

11.
B-ENT ; 16(3):148-152, 2020.
Artigo em Inglês | EMBASE | ID: covidwho-1863148

RESUMO

Objective: This study aimed to investigate the nasal findings in patients who tested positive for the coronavirus disease 2019 (COVID-19) and objectively evaluate the amount of nasal secretion and nasal clearance. Methods: The study included 40 patients who tested positive and 40 volunteers who tested negative for COVID-19 infection. The self-administered Turkish version of the sinonasal outcome test -22 (SNOT-22) questionnaire was used to evaluate the sinonasal findings, the nasal Schirmer test was used to evaluate the amount of nasal secretion, and the saccharin test was used to evaluate nasal clearance. The results of both groups were compared. Results: The SNOT-22 score averages were 23.3±14.5 and 11.2±11.7 for the COVID-19-positive group and COVID-19-negative controls, respectively. In the COVID-19 positive group, SNOT-22 results were statistically significantly higher than those of the controls (p≤0.001). The nasal Schirmer and nasal saccharin test results in the COVID-19-positive group were statistically significantly higher than those of the controls (p≤0.002 and p≤0.001). Conclusion: In patients who tested positive for COVID-19 infection, increased amounts of nasal secretion and prolonged nasal clearance time were observed. They also had higher SNOT-22 scores than those of the negative controls. Although these findings demonstrate that there may be changes in nasal functions in patients positive for COVID-19 infection, new studies are needed to elucidate the nasal effects in detail.

12.
Blood ; 138:511, 2021.
Artigo em Inglês | EMBASE | ID: covidwho-1582347

RESUMO

On behalf of the GRAALL group, the Czech Republic ALL group, the Finland ALL group and the EWALL group. Introduction. Treatment of older patients (pts) with B-cell precursor acute lymphoblastic leukemia (BCP-ALL) remains an unmet medical need. Inotuzumab ozogamicin (INO), an anti-CD22 antibody conjugated to calicheamicin, is approved for the treatment of relapsed/refractory BCP-ALL in adults, sinusoidal obstruction syndrome (SOS) being the major adverse event associated with INO. A previous first line study conducted by the MDACC in pts 60 years or older successfully used INO in combination with a lower intensity version of the hyper-CVAD (mini-hyper-CVD). Due to the occurrence of SOS, the total doses were fixed at 1.3 mg/m² for cycle 1 followed by 3 cycles at 1 mg/m² (Kantarjian H et al. Lancet Oncol, 2018). Here, we aimed to assess the activity and safety of fractionated INO at a reduced dosage in combination with low-intensity chemotherapy as frontline therapy for older pts with CD22+ Philadelphia chromosome-negative (Ph-neg) BCP-ALL. Methods. EWALL-INO is a single arm prospective phase 2 multicentric study conducted in European centers belonging to the EWALL group. Eligibility criteria were pts aged 55y or older, performance status ≤2, and newly diagnosed CD22+ (20% or more of positive blast cells) Ph-neg BCP-ALL without central nervous system involvement. After a prephase including 5 days (D) of dexamethasone (DEX) 10mg per D and a single intrathecal injection (IT), the induction regimen was begun and split in 2 parts. Induction part I (Induc1) consisted of one triple IT, vincristine (VCR) 2 mg (1 mg over 70y) D1 D8 D15 D22 and DEX 20 mg D1D2 D8D9 D15D16 D22D23 combined with 3 injections of INO (0.8 mg/m² D1, 0.5 mg/m² D8 and D15). Induction part II (Induc2) was offered to pts in CR or CRp (CR with platelets < 100 G/l) after Induc1 or as salvage therapy. Induc2 consisted of DEX 20mg D1D8, cyclophosphamide (CY) 300 mg/m² D1 to D3, one triple IT D2 and 2 injections of INO (0.5 mg/m² D1 and D8). Pts in CR/CRp were programmed to receive 6 blocks of consolidation (Ara-C 1.5g/m²/12h adapted to renal clearance D1D2 and DEX 10mg/12h D1D2, cycles 1 and 4;Methotrexate (MTX) 1.5 g/m² over 24h D1, VCR 1 or 2 mg D1, one triple IT D2 and 6-mercaptopurin (6-MP) D1 to D7, cycles 2 and 5;CY 500 mg/m² D1D2, VP16 75 mg/m² D1D2, one triple IT D2 and MTX 25 mg/m² D1, cycles 3 and 6) followed by a POMP maintenance (VCR, 6-MP, MTX, DEX) during 18 months. Allograft was allowed after at least 3 blocks of consolidation at the discretion of the investigators. The evaluable population was pts who received at least 1 dose of INO. Analyses were by modified intention to treat and performed JUN 28, 2021. All pts gave informed consent. The study is registered at ClinicalTrials.gov under the NCT number: NCT03249870. Results. Between DEC 29, 2017 and JUN 22, 2021, 115 pts (out of 130 planned pts) were enrolled including 6 pts with screen failure. The first 90 eligible pts (up to MAR 1, 2021) were considered for this analysis to obtain a minimum of 4 months follow-up. Median age was 69y (range 55-84) and median follow-up for alive pts was 1.18 years (range 0.3-3.5). At time of analysis, 90 and 88 pts had started induc1 and induc2, respectively. Treatment related mortality was 2.2% (2/90) and CR/CRp rate was 85.5% (77/90, 6 CRp) after induc1. Three cases relapsed between induc1 and induc2 and 5 pts were salvaged by induc2 allowing to a CR/CRp rate of 87.7% (79/90, 8 CRp) after induc2. One pts died from refractory disease during induc2. One, 2, 3 4 and 5 injections of INO were administered to 2 (2.2%), 2(2.2%), 11 (12.2%), 2 (2.2%) and 73 pts (81.1%) respectively. Only 6 pts were allografted. One-year OS was estimated to be 78.5% (95%CI 68-85.9) and median OS was not reached. One-year relapse free survival was 74.5% (95CI 63.5-82.6) (Figure 1). Grade 3-4 liver toxicity was observed in 8 pts (8.8%) during the study including 3 pts (3.3%) developing SOS, 2 related to INO during induc1 and one occurred after transplant. Twenty-nine pts died during the follow-up, 16 from relapses (overall incidence 18%) and 13 from adverse events (overall incidence 14.4%), including one COVID19 fatal infection during consolidation. Conclusion. Fractionated inotuzumab ozogamicin at reduced doses (0.8/0.5/0.5/0.5 mg/m²) combined with low-intensity chemotherapy is a very active and well tolerated frontline therapy for older patients with CD22+ Ph-neg BCP-ALL. [Formula presented] Disclosures: Doubek: Janssen-Cilag, AbbVie, AstraZeneca, Amgen, Gilead, Novartis: Honoraria, Research Funding. Huguet: Novartis: Other: Advisor;Jazz Pharmaceuticals: Other: Advisor;Celgene: Other: Advisor;BMS: Other: Advisor;Amgen: Other: Advisor;Pfizer: Other: Advisor. Raffoux: ABBVIE: Consultancy;PFIZER: Consultancy;CELGENE/BMS: Consultancy;ASTELLAS: Consultancy. Boissel: CELGENE: Honoraria;Servier: Consultancy, Honoraria;Incyte: Honoraria;Amgen: Consultancy, Honoraria, Research Funding;Novartis: Consultancy, Honoraria, Research Funding;Bristol-Myers Squibb: Honoraria, Research Funding;PFIZER: Consultancy, Honoraria;JAZZ Pharma: Honoraria, Research Funding;SANOFI: Honoraria. Dombret: Amgen: Honoraria, Research Funding;Incyte: Honoraria, Research Funding;Jazz Pharmaceuticals: Honoraria, Research Funding;Novartis: Research Funding;Pfizer: Honoraria, Research Funding;Servier: Research Funding;Abbvie: Honoraria;BMS-Celgene: Honoraria;Daiichi Sankyo: Honoraria. Rousselot: Incyte, Pfizer: Consultancy, Research Funding. OffLabel Disclosure: Inotuzumab ozogamicin as first line therapy in newly diagnosed CD22+ Philadelphia chromosome-negative B-cell precursor acute lymphoblastic leukemia

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