IMPROVinG Outcomes in Community Acquired Pneumonia

NCT ID: NCT02835040

Last Updated: 2017-11-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

814 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-08-31

Study Completion Date

2017-10-31

Brief Summary

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Pneumonia is the commonest illness requiring hospitalization in Australia. Elderly patients account for most admissions and incur highest costs due to longer hospitalizations, higher readmission risks and poor functional outcomes. Previous clinical trials show a number of medical and allied health interventions can effectively shorten hospitalization or reduce readmissions, but these have been poorly and inconsistently applied in practice. This proposed research builds on previous studies by applying these interventions as a standardized combined package, evaluating their effectiveness in a "real world" Australian setting and quantifying effects on both clinical outcomes and health service costs.

Detailed Description

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Each year community acquired pneumonia (CAP) causes 61,000 hospital admissions (2006-7 data) and incurs costs of more than AUD300 million in Australia. At the investigators' institution, over 1000 admissions per year have an average hospital length of stay (LOS) of 5 days and incur average clinical costs of AUD6,724 per admission (2012/13 data). Prolonged LOS not only has significant implications for organizational costs but is also strongly associated with adverse patient outcomes including loss of function due to de-conditioning and higher incidence of hospital-acquired adverse events including hospital-acquired infections, intravascular-device associated complications and antibiotic-related side effects. Reducing LOS therefore benefits both the patient and the health system. General Internal Medical (GIM) services manage the largest proportion of CAP patients at Western Health, with 47% of CAP admissions managed by GIM in 2012/13 (average age 75 with proportions with at least 1, 2 or 3 active co-morbidities 70%, 43% and 27% respectively). With population ageing, the elderly and highly multi-morbid population treated by GIM units will constitute the bulk of Australia's future health service burden for CAP.

A number of interventions for improving clinical outcomes in CAP are now supported by recently accrued level 1 evidence. Following a Cochrane review in 2011 that suggested adjunct corticosteroids accelerate time to clinical stability, a number of trials have since demonstrated favorable outcomes. Most notable are two landmark large randomized controlled trials (RCT); a study of the effect of corticosteroid on reducing treatment failure in severe CAP published in JAMA, and a study published in the Lancet in 2015 that demonstrated faster clinical recovery and shorter LOS (by 1 day) without significant adverse events.10 A subsequent meta-analysis (2000 patients from 12 RCTs) confirmed these findings and routine adjunctive corticosteroid is now widely supported though as yet not consistently deployed. Early mobilization safely and effectively reduces LOS when applied appropriately as does early switch to oral antibiotics guided by a set of well-defined basic clinical and laboratory criteria. Recently, a RCT incorporating both measures demonstrated a LOS reduction of 2 days compared to standard care. A meta-analysis of nutritional support in malnourished medical inpatients (a patient cohort that includes those admitted with CAP) showed that systematic screening for risk of malnutrition and targeted nutritional therapy intervention reduces non-elective readmission rates.

No existing study has assessed bundling all four established interventions (corticosteroid, early switch to oral antibiotics, early mobilization and systematic screening for malnutrition and targeted nutritional therapy). However, adherence to consensus guidelines for CAP is notoriously poor suggesting the major challenge will be in bridging the "evidence-practice gap" and particularly changing clinician behavior. Generalist clinicians are becoming increasingly overwhelmed by a plethora of guidelines for multiple illnesses that may co-exist in the same patient. Currently at Western Health, 43% of CAP patients receive corticosteroids, 63% physiotherapy (median time to initiation 2 days) and 65% a guideline-compliant antibiotic. No parenteral antibiotic stopping rules are in place (median 3 days). There is a current compliance rate of 72% for malnutrition risk screening in inpatients across the health service. The investigators believe therefore, that in order to address this gap between evidence and practice, an alternative service model is necessary to ensure best practice specifically for this leading contributor to health service burden.

The investigators propose evaluating a stand-alone over-arching "syndrome-based" clinical service for CAP analogous to those already applied in other areas (e.g. "stroke-services" credited with substantial improvements in outcomes from acute cerebrovascular disease). The proposed "CAP Service" would have core responsibility for ensuring comprehensive and rigorous current evidence-based best practice by application of a standardized set of management algorithms incorporating interventions supported by Level 1 evidence.

Service evaluation will take the form of a stepped wedge study design, a type of cluster RCT that is particularly well-suited to implementation and health services research. Importantly, the investigators have already successfully implemented this design in health services research at Western Health. The primary research question is to quantify the impact of a dedicated CAP Service delivering consistent and standardized evidence-based care on length of stay, costs, 30- and 90-day readmission rates and mortality.

Conditions

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Pneumonia

Keywords

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Corticosteroid Antibiotic Early mobilization Malnutrition

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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CAP Service

Group Type EXPERIMENTAL

New model of service delivery

Intervention Type OTHER

Introduction of a new CAP disease specific clinical team to ensure systematic implementation of standardized treatment protocols (similar to a clinical pathway) for interventions supported by Level-1 evidence.

Usual care

Group Type ACTIVE_COMPARATOR

Current practice

Intervention Type OTHER

Interventions as determined by the treating General Medical team consistent with current usual practice.

Interventions

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New model of service delivery

Introduction of a new CAP disease specific clinical team to ensure systematic implementation of standardized treatment protocols (similar to a clinical pathway) for interventions supported by Level-1 evidence.

Intervention Type OTHER

Current practice

Interventions as determined by the treating General Medical team consistent with current usual practice.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patients presenting to Footscray or Sunshine Hospital meeting the standardized definition for community acquired pneumonia.

Exclusion Criteria

* Palliated on admission.
* Enrolled in another inpatient clinical trial.

Withdrawal Criteria:

* Transferred to a non-General Medical Unit within 48-hours of admission.
* Transferred to another health service within 48-hours of admission.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Melbourne

OTHER

Sponsor Role collaborator

Monash University

OTHER

Sponsor Role collaborator

La Trobe University

OTHER

Sponsor Role collaborator

Western Health, Australia

OTHER_GOV

Sponsor Role lead

Responsible Party

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Melanie Lloyd

Research Coordinator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Footscray Hospital

Footscray, Victoria, Australia

Site Status

Sunshine Hospital

St Albans, Victoria, Australia

Site Status

Countries

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Australia

References

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Blum CA, Nigro N, Briel M, Schuetz P, Ullmer E, Suter-Widmer I, Winzeler B, Bingisser R, Elsaesser H, Drozdov D, Arici B, Urwyler SA, Refardt J, Tarr P, Wirz S, Thomann R, Baumgartner C, Duplain H, Burki D, Zimmerli W, Rodondi N, Mueller B, Christ-Crain M. Adjunct prednisone therapy for patients with community-acquired pneumonia: a multicentre, double-blind, randomised, placebo-controlled trial. Lancet. 2015 Apr 18;385(9977):1511-8. doi: 10.1016/S0140-6736(14)62447-8. Epub 2015 Jan 19.

Reference Type BACKGROUND
PMID: 25608756 (View on PubMed)

Mundy LM, Leet TL, Darst K, Schnitzler MA, Dunagan WC. Early mobilization of patients hospitalized with community-acquired pneumonia. Chest. 2003 Sep;124(3):883-9. doi: 10.1378/chest.124.3.883.

Reference Type BACKGROUND
PMID: 12970012 (View on PubMed)

Carratala J, Garcia-Vidal C, Ortega L, Fernandez-Sabe N, Clemente M, Albero G, Lopez M, Castellsague X, Dorca J, Verdaguer R, Martinez-Montauti J, Manresa F, Gudiol F. Effect of a 3-step critical pathway to reduce duration of intravenous antibiotic therapy and length of stay in community-acquired pneumonia: a randomized controlled trial. Arch Intern Med. 2012 Jun 25;172(12):922-8. doi: 10.1001/archinternmed.2012.1690.

Reference Type BACKGROUND
PMID: 22732747 (View on PubMed)

Siemieniuk RA, Meade MO, Alonso-Coello P, Briel M, Evaniew N, Prasad M, Alexander PE, Fei Y, Vandvik PO, Loeb M, Guyatt GH. Corticosteroid Therapy for Patients Hospitalized With Community-Acquired Pneumonia: A Systematic Review and Meta-analysis. Ann Intern Med. 2015 Oct 6;163(7):519-28. doi: 10.7326/M15-0715.

Reference Type BACKGROUND
PMID: 26258555 (View on PubMed)

Marti C, Grosgurin O, Harbarth S, Combescure C, Abbas M, Rutschmann O, Perrier A, Garin N. Adjunctive Corticotherapy for Community Acquired Pneumonia: A Systematic Review and Meta-Analysis. PLoS One. 2015 Dec 7;10(12):e0144032. doi: 10.1371/journal.pone.0144032. eCollection 2015.

Reference Type BACKGROUND
PMID: 26641253 (View on PubMed)

Torres A, Sibila O, Ferrer M, Polverino E, Menendez R, Mensa J, Gabarrus A, Sellares J, Restrepo MI, Anzueto A, Niederman MS, Agusti C. Effect of corticosteroids on treatment failure among hospitalized patients with severe community-acquired pneumonia and high inflammatory response: a randomized clinical trial. JAMA. 2015 Feb 17;313(7):677-86. doi: 10.1001/jama.2015.88.

Reference Type BACKGROUND
PMID: 25688779 (View on PubMed)

Lloyd MA, Tang CY, Callander EJ, Janus ED, Karahalios A, Skinner EH, Lowe S, Karunajeewa HA. Patient-reported outcome measurement in community-acquired pneumonia: feasibility of routine application in an elderly hospitalized population. Pilot Feasibility Stud. 2019 Jul 27;5:97. doi: 10.1186/s40814-019-0481-y. eCollection 2019.

Reference Type DERIVED
PMID: 31372236 (View on PubMed)

Lloyd M, Karahalios A, Janus E, Skinner EH, Haines T, De Silva A, Lowe S, Shackell M, Ko S, Desmond L, Karunajeewa H; Improving Evidence-Based Treatment Gaps and Outcomes in Community-Acquired Pneumonia (IMPROVE-GAP) Implementation Team at Western Health. Effectiveness of a Bundled Intervention Including Adjunctive Corticosteroids on Outcomes of Hospitalized Patients With Community-Acquired Pneumonia: A Stepped-Wedge Randomized Clinical Trial. JAMA Intern Med. 2019 Aug 1;179(8):1052-1060. doi: 10.1001/jamainternmed.2019.1438.

Reference Type DERIVED
PMID: 31282921 (View on PubMed)

Skinner EH, Lloyd M, Janus E, Ong ML, Karahalios A, Haines TP, Kelly AM, Shackell M, Karunajeewa H. The IMPROVE-GAP Trial aiming to improve evidence-based management of community-acquired pneumonia: study protocol for a stepped-wedge randomised controlled trial. Trials. 2018 Feb 5;19(1):88. doi: 10.1186/s13063-017-2407-4.

Reference Type DERIVED
PMID: 29402313 (View on PubMed)

Other Identifiers

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MH 2016.014

Identifier Type: -

Identifier Source: org_study_id