Cytomegalovirus Infection in Critically Ill Patients and Patients Receiving Anticancer Therapy (CMV-ICU)
Incidence, Natural History and Outcome of Cytomegalovirus Infection in Critically Ill Patients and Patients Receiving Anticancer Therapy
Studie Overzicht
Gedetailleerde beschrijving
Evidence in the literature has demonstrated how different factors have been associated with CMV disease; however, the effect of new anticancer therapies (personalized chemotherapies, biological and immunological treatments, extreme surgery, etc.) on CMV disease is unknown. The investigators believe that studying this subgroup of patients should be one of the primary issues as the number of patients with these characteristics will increase significantly in the near future.
Likewise, it is important to point out that in the real world diagnosing CMV disease is a real challenge for the intensive care physician (due to subclinical or not specific clinical presentations, confusion factors, low clinical suspicions, etc.) thus its diagnosis and eventual treatment could be improved. These undesired diagnostic and therapeutic flaws provide a unique opportunity to (i) describe the natural evolution of the disease, (ii) address the effect of the disease in the outcome of the patients and (iii) estimate the potential number of patients that could benefit from a new management.
HM Hospitales (https://www.hmhospitales.com/) is a Spanish private group made up of five tertiary university hospitals in Madrid (HM Madrid, HM Torrelodones, HM Sanchinarro, HM Puerta del Sur y HM Monteprincipe). In addition, the group has a specialized center focused in cancer ("Clara Campal" oncologic center https://www.hmciocc.com/ ) with a phase I Unit (STAR-CIOCC http://startmadrid.com/index.php/en/2014-10-02-23-29-01/madrid-locations/2014-10-10-00-46-42), five medical-surgical ICUs (one in each hospital) that assist 1200 patients/year (35% with cancer) and a surgical department specialized in robotic and laparoscopic procedures.
To define the incidence of CMV reactivation and disease is of paramount importance as several studies have suggested an association between CMV disease and an increased mortality rate, prolonged mechanical ventilation as well as length of ICU and hospital stay. Furthermore, CMV disease increases the risk of acquiring a nosocomial infection that could also have an effect on the outcome of the patients [Ziemann et al. Crit Care Med. 2008;36(12):3145; Sinclair. J Clin Virol. 2008;41(3):180]. Likewise, as several anti-CMV treatments are (valacyclovir, valanciclovir, ganciclovir, foscarnet or cidofovir), or will be shortly (letermovir), available the increased morbidity and mortality associated to this infection in critically ill patients could be improved dramatically.
This research proposal is seeking to answer four questions in a general ICU cohort of patients and in the subgroup of critically ill patients receiving anti-cancer therapy:
- Which is the incidence of CMV infection and disease?
- What is the natural evolution of CMV infections that do not receive anti-CMV treatment?
- What is the impact of anti-CMV treatment in the patient´s outcome (mortality, days under mechanical ventilation and days at ICU)?
- What are the risk and protective factors for developing CMV infection after ICU admission?
Studietype
Inschrijving (Verwacht)
Contacten en locaties
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
- age >=18 y.o.,
- admission to the intensive care unit with an expectancy to stay longer than 72 hours and requiring invasive mechanical ventilation.
Exclusion Criteria:
- survival expectation previous to ICU admission less than 6 months,
- intubation after 12 hours of ICU admission
- limitation of the therapeutic effort previous or during the ICU stay,
- admission to the ICU during the previous 3 months
- not agreeing to sign an informed consent.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Cohorten en interventies
Groep / Cohort |
Interventie / Behandeling |
|---|---|
|
Mechanical ventilated patients without cancer
This observational, cohort, retrospective and multicenter study will be performed during a period of 16 months at the 5 medical/surgical ICUs from HM Hospitals group. The recruitment will be performed by volume of patients: recruitment of the first 300 patients without cancer will start the 15th of January 2018 and will end once the last patient has been included; likewise, recruitment of the first patient with cancer will start on the same date and will end once the last patient (of 100) is recruited. Patients undergoing any type of anticancer therapy within the previous 3 month of ICU admission will be analyzed as part of the overall group but also as an independent subgroup of patients. Inclusion criteria: (a) age >=18 y.o., (b) admission to the intensive care unit with an expectancy to stay longer than 72 hours and requiring invasive mechanical ventilation. |
At inclusion, serum samples will be collected to determine CMV serological status.
Plasma samples will be collected weekly for CMV PCR analysis.
Antibodies for CMV will be assessed using a commercial enzyme immunoassay kit for detection of total antibodies to CMV (LIAISON CMV IgG assay, DiaSorin S.p.A).
DNA will be extracted in 200 μL of plasma eluted in 60 μL of elution buffer using a NucliSENS easyMAG system (bioMérieux, Boxtel, The Netherlands).
Samples will be amplified using Affigene CMV Trender diagnostic assay (Cepheid AB, Bromma, Sweden), according to the manufacturer instructions.
Amplification will be performed on a MX3000P instrument (Stratagene Instruments Systems, La Jolla, CA, USA).
Samples with >500 copies/mL of plasma will be considered positive.
|
|
Mechanical ventilated patients with cancer
This observational, cohort, retrospective and multicenter study will be performed during a period of 16 months at the 5 medical/surgical ICUs from HM Hospitals group. The recruitment will be performed by volume of patients: recruitment of the first 300 patients without cancer will start the 15th of January 2018 and will end once the last patient has been included; likewise, recruitment of the first patient with cancer will start on the same date and will end once the last patient (of 100) is recruited. Patients undergoing any type of anticancer therapy within the previous 3 month of ICU admission will be analyzed as part of the overall group but also as an independent subgroup of patients. Inclusion criteria: (a) age >=18 y.o., (b) admission to the intensive care unit with an expectancy to stay longer than 72 hours and requiring invasive mechanical ventilation. |
At inclusion, serum samples will be collected to determine CMV serological status.
Plasma samples will be collected weekly for CMV PCR analysis.
Antibodies for CMV will be assessed using a commercial enzyme immunoassay kit for detection of total antibodies to CMV (LIAISON CMV IgG assay, DiaSorin S.p.A).
DNA will be extracted in 200 μL of plasma eluted in 60 μL of elution buffer using a NucliSENS easyMAG system (bioMérieux, Boxtel, The Netherlands).
Samples will be amplified using Affigene CMV Trender diagnostic assay (Cepheid AB, Bromma, Sweden), according to the manufacturer instructions.
Amplification will be performed on a MX3000P instrument (Stratagene Instruments Systems, La Jolla, CA, USA).
Samples with >500 copies/mL of plasma will be considered positive.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Cytomegalovirus Prevalence
Tijdsspanne: From study start date (March, 2020) until ending enrollment period (16 months later)
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Cytomegalovirus prevalence after admission to the intensive care unit with an expectancy to stay longer than 72 hours
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From study start date (March, 2020) until ending enrollment period (16 months later)
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Medewerkers en onderzoekers
Sponsor
Medewerkers
Studie record data
Bestudeer belangrijke data
Studie start (Verwacht)
Primaire voltooiing (Verwacht)
Studie voltooiing (Verwacht)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
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Laatste update ingediend die voldeed aan QC-criteria
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Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- 19.09.1441-GHM
- HM-CMV19 (Ander subsidie-/financieringsnummer: MSD)
Plan Individuele Deelnemersgegevens (IPD)
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