current treatment options for candida terapia antimicotica.pdf · current treatment options for...
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Current treatment options for Candida bloodstream infections
Marco Falcone Dipartimento di Sanità Pubblica e Malattie Infettive
Scuola Superiore di Studi Avanzati
“Sapienza” Università di Roma
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Martin et al N Engl J Med 2003;348:1546-54
The epidemiology of sepsis in the United States from 1979 through 2000
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Variations in Organism-Specific Severe Sepsis Mortality in the United States: 1999-2008*.
Crit Care Med 2015; 43:65-77.
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Reasons of the increase of invasive Candida infections
Improvement in diagnostic methods
CVC/intravascular device use
Immunosuppression
ICU patients
New populations at risk
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Kullberg & Arendrup, N Engl J Med 2015; 373:1445-53
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Wisplinghoff H et al. Clin Infect Dis 2004; 39: 309-17
Mortality for candidemia
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Mortality for candidemia: an update
Khatib et al. Mycoses. 2016.
Retrospective examination of candidemia in adults hospitalized from 2007 to 2015 in a Michigan hospital
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Which is the best treatment of candidemia?
The early diagnosis…
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Clin Infect Dis 2012; 54:1739-46
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Diagn Microbiol Infect Dis 2009; 64: 402-407
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(1,3)-b-D-Glucan- based antifungal treatment in critically ill adults at high risk of candidaemia: an observational study
False positive: 25%
Posteraro B et al, J Antimicrob Chemother 2016; 71: 2262–2269
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T2 Magnetic Resonance Assay for the Rapid Diagnosis of
Candidemia in Whole Blood
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T2MR and T2 Candida: time to detection!
Pfaller MA et al. Future Microbiol. 2016;11:103-17
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Recognize patients at risk
IDENTIFY RISK FACTORS
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Kullberg & Arendrup, N Engl J Med 2015; 373:1445-53
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Risk stratification in ICU patients: Candida score
Leon C et al. Crit Care Med 2009; 37:1624 –1633
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Risk stratification in ICU patients: Candida score
Leon C et al. Crit Care Med 2009; 37:1624 –1633
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Are Candidemia episodes all the same?
Internal Medicine
Wards
Surgery
Hematologic patients
ICU
Nosocomial
Community-onset
Complicated vs
uncomplicated candidemia
Early vs late candidemia
Internal Medicine
Wards
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Bassetti et al. J Clin Microbiol 2013; 51(12):4167-72
%
Internal Medicine Surgery/ICU/Oncology Total= Ematology 995
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Features of candidemia in
Internal Medicine
Cancer/ Hematologic malignancies
Comorbidities
Organ failure (kidney, heart, liver)
Diabetes/ Metabolic syndrome
Immunosuppressive therapy
COPD/
Respiratory failure
Anti- TNF-α drugs
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Methods: Retrospective multicenter cohort study was conducted in 3 large teaching italian hospitals, in a 3-year period (January 2012 – December 2014). Hospitals participating to this study were: Nuovo Santa Chiara Hospital in Pisa, Umberto I Hospital in Rome, Santa Maria della Misericordia in Udine. Consecutive candidemic episodes in afebrile patients and matched febrile controls were enrolled during the three years study period (case/control ratio 1:1.). Controls were matched for age, sex, time of admission and comorbidities. Patients without fever represented 40% of the overall candidemia cases
Am J Med. 2016 Jul 22. pii: S0002-9343(16)30727-6
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Am J Med. 2016 Jul 22. pii: S0002-9343(16)30727-6
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Am J Med. 2016 Jul 22. pii: S0002-9343(16)30727-6
Variables
Group 1 (n = 64)
Low probability of
fever
Group 2 (n = 132)
Intermediate probability
of fever
Group 3 (n = 98)
High probability
of fever
P
Intravascular device (CVC/PICC)
0 (0%) *, § 70 (53%) # 89 (91%) < 0.001
Diabetes mellitus 59 (92%) *, § 70 (53%) # 18 (18%) < 0.001
Δ Time admission to candidemia
5 [2 - 8] °, § 2 [1 – 6] # 18 [12 - 31] < 0.001
C. difficile infection 20 (31%) § 26 (20%) # 5 (5%) < 0.001
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Falcone et al. submitted
Assessment of risk factors for nosocomial candidemia in non-neutropenic patients hospitalized in Internal
Medicine wards: a multicenter study
DERIVATION COHORT 322 candidemia vs 644 matched controls Policlinico Umberto I (Rome) Azienda Ospedaliera Universitaria Pisana (Pisa) San Giovanni-Addolorata (Rome)
EXTERNAL VALIDATION COHORT University Hospital of Trieste
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Univariate analysis Multivariate analysis
OR 95.0% CI p-value
OR 95.0% CI p-value
Lower Upper Lower Upper
Immunosuppressive therapy 2.993 2.269 3.949 <0.001
2.127 1.444 3.133 <0.001
Previous antibiotic therapy 4.179 3.138 5.566 <0.001
2.992 2.025 4.420 <0.001
TPN 8.123 5.746 11.483 <0.001
4.032 2.543 6.393 <0.001
COPD 3.147 2.198 4.507 <0.001
4.253 2.591 6.083 <0.001
Diabetes mellitus 2.701 2.050 3.560 <0.001
4.676 3.135 6.973 <0.001
Concomitant iv glycopeptide therapy 6.935 3.733 12.884 <0.001
4.685 2.148 10.216 <0.001
IBD 6.682 2.426 18.409 <0.001
4.988 1.546 16.097 0.007
PICC 8.276 5.586 12.262 <0.001
5.006 2.932 8.548 <0.001
Recent CDI 7.641 4.417 13.217 <0.001
7.376 3.663 14.850 <0.001
Severe sepsis/septic shock 16.869 10.225 27.829 <0.001
9.815 5.397 17.851 <0.001
Assessment of risk factors for nosocomial candidemia in non-neutropenic patients hospitalized in Internal
Medicine wards: a multicenter study
Falcone et al. submitted
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Assessment of risk factors for nosocomial candidemia in non-neutropenic patients hospitalized in Internal
Medicine wards: a multicenter study
RISK FACTOR Points
Severe sepsis/septic shock +2.5
Recent Clostridium difficile infection +1.5
TPN +1
COPD +1
Concomitant glycopeptide therapy +1
IBD +1
PICC +1
Diabetes mellitus +1
Previous antibiotic therapy +0.5
Immunosuppressive therapy +0.5
Falcone et al. submitted
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AUC 0.910, 95% CI 0.892-0.929, p<0.001
AUC 0.840, 95% CI 0.790-0.891, p<0.001
DERIVATION COHORT (N=966) VALIDATION COHORT (N=279)
Figure 1. ROC curve of Candida score in the derivation and in the validation cohort.
Panel A Panel B
Assessment of risk factors for nosocomial candidemia in non-neutropenic patients hospitalized in Internal
Medicine wards: a multicenter study
Falcone et al. submitted
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Approach to invasive candidiasis
No disease Cultures/ antigen
Signs and symptoms
Cultures/ histopathology Sequelae
Prophylaxis Pre-emptive Empiric
Crude mortality 40%
Treatment Morbidity/ mortality
Broad-spectrum antibiotic
Catheters
Neutropenia, steroids
Surgery, etc. In hospital mortality doubles if antifungal therapy is not started within 12 hours*
* Morrell et al. Antimicrob Agent Chemother2005;49;3640.
Glucan, PCR
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Antifungal therapy of suspected/proven candidemia:
Which drug?
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Treatment of Candida in non-neutropenic patients (ESCMID guidelines 2012)
Blood culture positive for yeast
or empiric therapy (CIII)
Start antifungal therapy
(AII)
Strongly recommended:
echinocandin (AI)
Moderately recommended:
L-AMB or voriconazole (BI)
Marginally recommended:
fluconazole or ABLC (CI)
Not recommended (D): Conventional Amphotericin B
Itraconazole Posaconazole Combination
Clin Microbiol Infect. 2012 Dec;18 Suppl 7:19-37.
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Treatment of Candida in non-neutropenic patients (IDSA guidelines 2016)
Start antifungal
therapy
Echinocandin Strongly recommended
(strong recommendation; high-quality evidence)
L-AMB Reasonable alternative if there is intolerance,limited
availability, or resistance to other antifungal agent (strong recommendation; high-quality evidence)
Fluconazole Acceptable alternative in not critically ill patients
(if not fluconazole-resistant Candida species) (strong recommendation; high-quality evidence)
Not recommended : Conventional Amphotericin B
Itraconazole Posaconazole Combination
Pappas et al, Clin Infect Dis 2016; 62(4):e1-50.
Voriconazole Recommended as step-down oral therapy for selected cases of
candidemia due to C. krusei (strong recommendation; low-quality evidence)
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Anidulafungin Echinocandin B0 (Aspergillus nidulans)
Caspofungin Derived from Pneumocandin B0
(Glarealozoyensis) Micafungin FR90130 (Coleophomaempedra)
The echinocandins era
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Rho1p
Fks1
p
Fks2
p
GTP binding site
UDP-glucose
Beta-1,3 glucan synthase complex
Target of Echinocandin Antifungals
Yeast
Fungal Cell Wall
beta 1,3 glucans beta1,6 glucans
mannoproteins
Beta 1,3 glucan synthase
Chitin
Lipid bilayer with ergosterol
Beta 1,3 glucan chain
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Echinocandins: summary of properties
• Rapid, fungicidal activity
• Broad spectrum against yeasts
(reduced susceptibility for C. parapsilosis)
• Activity on biofilm
• Good safety profile
• Few drug interactions
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Overall treatment success in the modified intent to treat population of RTCs evaulating echinocandins
Kuse et al.
MFC AMB
Reboli et al.
ANF FLC
Mora-Duarte etal
CFG AMB
Overall 89% 89% 75% 60% 73% 61%
C. albicans 88% 89% 81% 62% 64% 57%
C. krusei 83% 86% ND ND ND ND
C. glabrata 83% 80% 56% 50% 77% 80%
C. parapsilosis 89% 87% 64% 83% 70% 65%
C. tropicalis 92% 95% 93% 50% 85% 71%
Lancet 2007; 369: 1519-27. N Engl J Med 2007; 356: 2472-82. N Engl J Med 2002;347:2020-29
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Clin Infect Dis 2012; 54: 1115
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Stepdown to fluconazole
Pappas et al, Clin Infect Dis 2016; 62(4):e1-50.
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Methods: Phase IV, open-label, noncomparative study, involving 44 centers across the US and four centers in the Republic of Korea (study period: July 2007 and June 2010) All patients received 200 mg IV anidulafungin as a single loading dose and 100 mg IV anidulafungin daily thereafter for a maximum of 28 days After 5 days’ IV anidulafungin, investigators could transition patients to an oral azole if they met the following criteria: •ability to tolerate oral therapy; •afebrile for > 24 hours; •hemodynamically stable; •not neutropenic; •documented clearance of Candida from the bloodstream
Vazquez et al. BMC Infectious Diseases 2014, 14:97
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Vazquez et al. BMC Infectious Diseases 2014, 14:97
Patients in the early switch subpopulation had global response rates that were higher than the MITT population at all time points
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Septic Thrombophlebitis
Septic pulmonary embolism
Mycotic aneurism
Endophtalmitis
Neprhitis
Osteomyelitis, spondylodiscitis
Sepsis/ Septic shock
Endocarditis
Complications of candidemia
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Antifungal PK: Drug Distribution
+, ≥50% of serum concentrations. –, <10% of serum concentrations. *Predicted.
1. Dodds-Ashley ES, et al . Clin Infect Dis. 2006;43:S28-S39. 2. Groll AH, et al. Adv Pharmacol. 1998;44:343-500.
3. Eschenauer G, et al. Ther Clin Risk Manage. 2007;3:71-97.
Liver/ Spleen Kidneys
Gut/gall bladder Lungs
Brain/ CSF Eyes
Bladder/urine
AMB + + + + – – – 5FC + + + + + + + FLU + + + + + + + ITR + + + + – – – VOR + + + + + + – POS* + + + + – – – Echino + + + + – – –
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INTRAOCULAR PENETRATION OF VORICONAZOLE AND
CASPOFUNGIN IN A PATIENT WITH FUNGAL ENDOPHTHALMITIS
• Concentrations of caspofungin and voriconazole were determined
in the ocular fluid, and in a concomitantly taken plasma sample.
• Caspofungin concentration in the aqueous was 0.28 mg/L, with a
simultaneous plasma concentration of 4.70 mg/L.
• Voriconazole levels were 3.47 mg/L in the aqueous and 7.45 mg/L
in plasma, respectively.
Spriet I et al.. J Antimicrob Chemother 2009 Oct;64:877-8.
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Medicine (Baltimore) 2009; 88:160-8
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Candida endocarditis: a systematic literature review from 1997 up to 2014 and analysis of case series from SEI study group.
Giuliano S, Falcone M…and Venditti M, ongoing work
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Candida endocarditis: a systematic literature review from 1997 up to 2014 and analysis of case series from SEI study group.
Giuliano S, Falcone M…and Venditti M, ongoing work
![Page 47: Current treatment options for Candida Terapia antimicotica.pdf · Current treatment options for Candida ... CVC/intravascular device use ... Spleen . Kidneys : Gut/gall bladder](https://reader033.vdocuments.net/reader033/viewer/2022052712/5af837107f8b9a8d1c913fc7/html5/thumbnails/47.jpg)
Candida endocarditis: a systematic literature review from 1997 up to 2014 and analysis of case series from SEI study group
Giuliano S, Falcone M…and Venditti M, ongoing work
Variable PVE (%)
N=64 NVE (%)
N=76 p value
Age (years), median ± sd 56.4 ± 16.8 53.6 ± 19.5 0.3
Male sex 38 (59.4) 48 (63.2) 0.6 Chronic liver disease 10 (15.6) 17 (22.4) 0.3 Malignancy 1 (1.6) 21 (27.6) <0.001
Previous endocarditis 16 (25.0) 5 (6.6) 0.002
Diabetes mellitus 7 (10.9) 7 (9.2) 0.7
Renal disease 2 (3.1) 6 (7.9) 0.2
Autoimmune disease 4 (6.3) 2 (2.6) 0.4
COPD 2 (3.1) 2 (2.6) 1.0
IBD 2 (3.1) 0 0.2 Pancreatitis 1 (1.6) 3 (3.9) 0.6 Previous antibiotic exposure (30 days) 13 (20.3) 32 (42.1) 0.006 Glucocorticoids 3 (4.7) 5 (6.6) 0.7 Previous abdominal surgery 3 (4.7) 25 (32.9) <0.001 Previous cardiac surgery 16 (25.0) 6 (7.9) 0.006 IVDU 8 (12.5) 16 (21.1) 0.2 CVC 5 (7.8) 20 (26.3) 0.004 TPN 0 6 (7.9) 0.03 Length of therapy (days) 42.0, 28.0 42.0, 30.0 0.6 Surgical therapy 40 (62.5) 37 (48.7) 0.1 Time to death (days) 22.5, 39.0 30.0, 47.0 0.1 Overall mortality 27 (42.8) 26 (34.2) 0.3
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Candida endocarditis: a systematic literature review from 1997 up to 2014 and analysis of case series from SEI study group
The process of biofilm formation might be even more relevant in PVE than in NVE pathogenesis
p < 0.001
Giuliano S, Falcone M…and Venditti M, ongoing work
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Candida endocarditis: a systematic literature review from 1997 up to 2014 and analysis of case series from SEI study group
Giuliano S, Falcone M…and Venditti M, ongoing work
p = 0.015
Kaplan-Meier survival analysis to compare survival of patients with PVE and NVE