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BLOOM: Pragmatic Feasibility Trial

BLOOM: Pragmatic Feasibility Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07287332
Enrollment
300
Registered
2025-12-17
Start date
2026-01-15
Completion date
2027-07-01
Last updated
2026-02-06

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

Conditions

Infection, Sepsis

Keywords

Beta-lactam antibiotics, Sepsis, Septic shock, Pharmacokinetics, Personalized medicine, Therapeutic drug monitoring, Infectious disease

Brief summary

The goal of this study is to compare two different ways of dosing cefepime, an antibiotic for very sick patients - the usual approach to dosing or a new dosing method. The new dosing method uses only doses that are available in normal care, but choosing between the different doses is based on more information about the patient's body including their kidney function. The primary purpose of this study is to test how easy it is for healthcare professionals to use the new dosing method and how best to conduct the trial. The study will also assess if the new dosing method helps patients recover faster and reduces side effects.

Interventions

OTHERUp-front individualized dosing algorithm

An individualized cefepime dosing algorithm will be used to determine the cefepime dose and interval. The dose recommendation will be provided using the EHR-prompts to the clinical care team and ordered and/or verified by the ICU pharmacist using an established collaborative practice agreement. As a pragmatic trial, at any point care teams may modify the empiric or subsequent dose based on their clinical judgement.

OTHERUsual Care

The standard of care group will receive empiric dosing guided by an institutional antimicrobial guide. Cefepime is typically dosed at 0.5-2 g every 8-24 h according to categorical thresholds of estimated creatinine clearance (eGFRcr). Cystatin C and eGFRcr-cys can be calculated and used at clinicians' discretion to aid in drug dose determination.

Sponsors

Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adults ≥18 years of age * Admitted to one of the ICUs at the study center * Prescribed cefepime therapy by the care team

Exclusion criteria

* Individuals will be those with a cephalosporin allergy * Received \>1 dose of cefepime in the 24 hours before ICU admission * Transferred from an external hospital without compatible EHR * Does not have a cystatin C and a creatinine available for drug dosing * Acute kidney injury stage 2 or higher * Receiving renal replacement therapy * Treated with extracorporeal membrane oxygenation * Undergoing molecular adsorbent recirculating therapy at the time of beta-lactam initiation * Pregnant * Incarcerated * Declined Minnesota research authorization

Design outcomes

Primary

MeasureTime frameDescription
Proportion of patients screened who qualified for the study1 year or once the sample size is achievedNumber of patients who quality for the study out of total number of patients screened, reported as a percentage
Distribution of qualified patients across care teams1 year or once the sample size is achievedNumber of patients from each ICU care team who qualify for the study
Adherence to dosing recommendations1 year or once the sample size is achievedTotal number of patients randomized to the up-front individualized dosing algorithm who are prescribed the algorithm's recommended dosage

Secondary

MeasureTime frameDescription
Number of antibiotic-free days28-daysNumber of antibiotic-free days for the first 28 days
ICU length of stay1 yearNumber of days of initial ICU stay
Proportion of patients who experience new anti-Pseudomonal beta-lactam resistance6 monthsNew anti-Pseudomonal beta-lactam resistance which develops within the 6 months following initial treatment
Proportion of patients who experience clinical success8 daysComplete or partial resolution of clinical signs and symptoms attributed to infection across 8 days of therapy.
Proportion of patients who experience microbiologic success8 daysPresumed or documented eradication of causative microorganisms
Mortality28-daysAll cause death

Countries

United States

Contacts

CONTACTGerald W. Flaby Jr., LRT, RRT
flaby.gerald@mayo.edu507-422-3462
PRINCIPAL_INVESTIGATORErin Barreto, PharmD, PhD

Mayo Clinic

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 7, 2026