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Evaluating the influence of abnormalities in immunity due to an extreme reaction to an infection (sepsis) on antibiotic use in critically ill patients

The Role of Immunosuppression in an antibiotic Stewardship intervention and its association with Clinical outcomes and antibiotic use: RISC-sepsis

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN86837685
Enrollment
198
Registered
2021-01-05
Start date
2022-04-01
Completion date
Unknown
Last updated
2023-05-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hospitalised adults who have been commenced on intravenous antibiotics for sepsis Infections and Infestations Sepsis

Interventions

As an observational study, participant involvement will be limited to sampling of blood at 4 time points over a one-week period. Blood samples will be transferred to a central laboratory. Immune pheno

Sponsors

University of Manchester
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients enrolled in the ADAPT-sepsis trial. Patients are eligible if: 1. Hospitalised adult patients at least 18 years of age 2. Up to 24 hours of initiation of empiric intravenous antibiotic treatments for suspicion of sepsis 3. Likely to remain hospitalised and receiving intravenous antibiotic treatment for at least the next 72 hours 4. Requirement for critical care

Exclusion criteria

Exclusion criteria: 1. More than 24 hours since receiving first empiric intravenous antibiotic treatments for a suspicion of sepsis 2. Prolonged (greater than 21 days) antimicrobial therapy mandated (e.g. for endocarditis, cerebral/hepatic abscess, tuberculosis, osteomyelitis) 3. Severely immunocompromised (e.g. neutropenia, less than 500 neutrophils/microlitre) 4. All treatment for suspected sepsis likely to be stopped within 24 hours of its initiation because of futility 5. Consent declined 6. Previously enrolled in ADAPT-sepsis

Design outcomes

Primary

MeasureTime frame
Immune phenotype measured using fluorescence-based flow cytometry of blood samples taken at ... 1. Monocyte HLA-DR 2. Neutrophil CD88 3. T cell, monocyte and neutrophil CD279 4. Percentage of regulatory T cells

Secondary

MeasureTime frame
Measured using patient records: 1. Total duration of antibiotic treatment to 28 days following randomisation (superiority) measured in days (24-hour time periods) 2. Antibiotic dose, measured as Defined Daily Dose to 28 days 3. Unscheduled care escalation/re-admission 4. Infection relapse/recurrence requiring further antibiotic treatment 5. Super-infection, defined as new infection at a different anatomical site 6. Suspected antibiotic adverse reactions 7. Time to ‘fit’ for hospital discharge

Countries

England, United Kingdom

Contacts

Public ContactTom Ewen
Tom.Ewen@newcastle.ac.uk+44 (0)191 208 5644

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026