Trial reportClinical infectious diseases : an official publication of the Infectious Diseases Society of America2021
Randomized Trial Evaluating Clinical Impact of RAPid IDentification and Susceptibility Testing for Gram-negative Bacteremia: RAPIDS-GN.
Trial report in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03218397 (Rapid Identification and Phenotypic Susceptibility Testing for Gram-Negative Bacteremia), which is not on this map. Cited by 89 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Rapid Identification and Phenotypic Susceptibility Testing for Gram-Negative Bacteremia (RAPIDS-GN)
Who cites it
89 citing papers in PubMed, 3 syntheses or guidelines pooled it, 124 citations in OpenAlex.
- Impact of molecular rapid diagnostic testing on clinical outcomes in bloodstream infections: a meta-analysis.BMC infectious diseases · 2026Pooled it
- Rapid Diagnostic Tests and Antimicrobial Stewardship Programs for the Management of Bloodstream Infection: What Is Their Relative Contribution to Improving Clinical Outcomes? A Systematic Review and Network Meta-analysis.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2024Pooled it
- Rapid versus standard antimicrobial susceptibility testing to guide treatment of bloodstream infection.The Cochrane database of systematic reviews · 2021Pooled it
- Impact of rapid antibiotic susceptibility testing for Gram-negative bacteremia varies by pathogen type and resistance: a secondary analysis of the RAPIDS GN trial.Microbiology spectrum · 2025Trial
- Clinical impact and cost-consequence analysis of ePlex® blood culture identification panels for the rapid diagnosis of bloodstream infections: a single-center randomized controlled trial.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2024Trial
- From early recognition to precision medicine: advances in the diagnosis and management of adult sepsis and septic shock-a narrative review.Infection · 2026Review
- Benchmarking four commercial antimicrobial susceptibility testing systems and disk diffusion to reference broth microdilution in the assessment of gram-negative bacterial isolates.Journal of clinical microbiology · 2026Article
- Molecular Diagnostics of Infectious Diseases.Yonago acta medica · 2026Review
- Rapid microbiological diagnostics for sepsis in critical care: integrating technological advances with antimicrobial stewardship.Acute and critical care · 2026Article
- Evaluation of Q-linea ASTar rapid phenotypic antimicrobial susceptibility testing and potential impact in patients with gram-negative bloodstream infections.Microbiology spectrum · 2026Article
- Emulating a target trial of early compared with late initiation of appropriate antibiotic therapy for hospital-acquired monobacterial Gram-negative bloodstream infections.The Journal of antimicrobial chemotherapy · 2026Article
- Clinical and Economic Value of Rapid Microbiological Diagnostics in Bloodstream Infections: A State-of-the-Art Evidence Review with Emphasis on PCR and MALDI-TOF.Microorganisms · 2026Review
- When Hours Matter: A 24/7 Laboratory and Fast-Track Diagnostic Pathway for Blood Cultures in Critical Patients.Antibiotics (Basel, Switzerland) · 2026Article
- Rapid Diagnostic Testing in Bloodstream Infections: A Retrospective Clinical and Economic Evaluation from a University Hospital in Bulgaria.Microorganisms · 2026Article
- Clinical Impact of Droplet Digital PCR-Guided Antibiotic Stewardship on Prognosis in Patients with Suspected Bloodstream Infection: A Prospective Observational Study.Infectious diseases and therapy · 2026Article
- Novel rapid diagnostic system for pathogen identification and antimicrobial susceptibility testing: clinical utility in ICU patients with sepsis.BMC infectious diseases · 2026Article
- Clinical effect of in-house rapid diagnostic process on patients with bloodstream infections due to carbapenem-resistant bacteria or methicillin-resistantMicrobiology spectrum · 2026Article
- Rapid AST in practice - a workflow analysis of the QuickMICFrontiers in cellular and infection microbiology · 2026Article
- Impact of rapid molecular testing on clinical outcomes for methicillin-susceptibleAntimicrobial stewardship & healthcare epidemiology : ASHE · 2026Article
- Multicenter evaluation of the QuickMICEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2026Article
29 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
22 authors at 6 institutions in 1 country.
Funding
Abstract
backgroundRapid blood culture diagnostics are of unclear benefit for patients with gram-negative bacilli (GNB) bloodstream infections (BSIs). We conducted a multicenter, randomized, controlled trial comparing outcomes of patients with GNB BSIs who had blood culture testing with standard-of-care (SOC) culture and antimicrobial susceptibility testing (AST) vs rapid organism identification (ID) and phenotypic AST using the Accelerate Pheno System (RAPID).
methodsPatients with positive blood cultures with Gram stains showing GNB were randomized to SOC testing with antimicrobial stewardship (AS) review or RAPID with AS. The primary outcome was time to first antibiotic modification within 72 hours of randomization.
resultsOf 500 randomized patients, 448 were included (226 SOC, 222 RAPID). Mean (standard deviation) time to results was faster for RAPID than SOC for organism ID (2.7 [1.2] vs 11.7 [10.5] hours; P < .001) and AST (13.5 [56] vs 44.9 [12.1] hours; P < .001). Median (interquartile range [IQR]) time to first antibiotic modification was faster in the RAPID arm vs the SOC arm for overall antibiotics (8.6 [2.6-27.6] vs 14.9 [3.3-41.1] hours; P = .02) and gram-negative antibiotics (17.3 [4.9-72] vs 42.1 [10.1-72] hours; P < .001). Median (IQR) time to antibiotic escalation was faster in the RAPID arm vs the SOC arm for antimicrobial-resistant BSIs (18.4 [5.8-72] vs 61.7 [30.4-72] hours; P = .01). There were no differences between the arms in patient outcomes.
conclusionsRapid organism ID and phenotypic AST led to faster changes in antibiotic therapy for gram-negative BSIs. CLINICAL TRIALS REGISTRATION: NCT03218397.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.