Emulation of the EMPEROR-Reduced Trial Using Healthcare Claims Data
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
This is a non-randomized, non-interventional study that is part of the RCT DUPLICATE initiative (www.rctduplicate.org) of the Brigham and Women's Hospital, Harvard Medical School. It is intended to emulate, as closely as is possible in healthcare insurance claims data, the EMPEROR-Reduced trial described below. Although many features of the trial cannot be directly replicated in healthcare claims, key design features, including outcomes, exposures, and inclusion/exclusion criteria, were selected to proxy those features from the trial. Randomization cannot be achieved in healthcare claims data but was proxied through a statistical balancing of measured covariates according to standard practice. Investigators assume that the RCT provides the reference standard treatment effect estimate and that failure to replicate RCT findings is indicative of the inadequacy of the healthcare claims data for emulation for a range of possible reasons and does not provide information on the validity of the original RCT finding.
The EMPEROR-Reduced trial, was a superiority trial to evaluate the effect of Empagliflozin, a sodium-glucose cotransporter-2 inhibitor (SGLT2i), versus placebo on the risk of cardiovascular death and hospitalisation for heart failure among individuals with chronic heart failure with reduced ejection fraction.
The database study is designed to emulate EMPEROR-Reduced. It will be a new-user comparative cohort study, conducted using 3 national United States claims databases, where we compare the effect of empagliflozin versus sitagliptin, a dipeptidyl peptidase-4 inhibitor (DPP4i), on all-cause mortality and hospitalisation for heart failure. While the EMPEROR-Reduced trial compared empagliflozin to placebo, we chose to use sitagliptin as an active comparator proxy for placebo to minimize confounding by indication sitagliptin was specifically chosen because a major randomized controlled trial on cardiovascular outcomes demonstrated that it does not affect the cardiovascular outcomes under investigation. Furthermore, clinical guidelines during the study period recommended both SGLT2 inhibitors and DPP4 inhibitors as second- or third-line options for glucose lowering, and the therapies are similarly costly, reducing concerns about channelling of patients based on socioeconomic status.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Kontakter og lokationer
Studiesteder
-
-
Massachusetts
-
Boston, Massachusetts, Forenede Stater, 02120
- Brigham and Women's Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Optum: Study period between 1st August 2014 - 31st December 2024. Marketscan: Study period between 1st August 2014 - 30th September 2022. Medicare: Study period between 1st August 2014 - 30th September 2022.
Inclusion Criteria:
- At least 18 years of age
- Heart failure with reduced ejection fraction
- Type 2 diabetes mellitus
- Use of oral diuretics
- Use of appropriate medical therapy for HF
Exclusion Criteria:
- Concurrent use of both study drugs on cohort entry date
- MI, CABG or other major cardiovascular surgery, GI surgery or disorder, stroke or TIA [Day -91, Day 0]
- Implantable cardiac defibrillator [Day -91, Day 0]
- Hypotension [Day -91, Day 0]
- Major surgery [Day -91, Day 0]
- GI surgery or disorder [Day -91, Day 0]
- Cancer [Day -730, Day 0]
- Heart transplant [all available data, Day 0]
- LVAD [all available data, Day 0]
- Liver disease [all available data, Day 0]
- Atrial fibrillation [Day -183, Day 0]
- Hypertension [Day -183, Day 0]
- Impaired renal function [Day -183, Day 0]
- Anemia [Day -183, Day 0]
- Ketoacidosis [Day -183, Day 0]
- Pregnancy [Day -183, Day 0]
- Ventricular arrhythmia [Day -183, Day 0]
- Heart block [Day -183, Day 0]
- Cardiomyopathy [Day -365, Day 0]
- Valvular heart disease [Day -365, Day 0]
- Chronic pulmonary disease [Day -365, Day 0]
- Combined comorbidity score [Day -365, Day 0]
- Chronic alcohol and or drug abuse [Day -365, Day 0]
- Noncompliance [Day -365, Day 0]
- Acute decompensated HF [Day -30, Day 0]
- Use of SGLT2i or DPP4i [Day -183, Day 0]
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Antal grupper/kohorter
Kohorter og interventioner
Gruppe / kohorteGruppe / kohorte |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Sitagliptin
Referencegruppe
|
Initiation of sitagliptin described in electronic health records is used as the reference.
|
|
Empagliflozin
Eksponeringsgruppe
|
Initiation of empagliflozin described in electronic health records is used as the exposure.
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
A composite of hospitalization for heart failure or all-cause mortality
Tidsramme: 1 day after cohort entry date until the first of outcome, disenrollment, end of study period, discontinuation (30 days grace and risk window), switch between the arms, start of any other SGLT2i or DPP4i
|
To evaluate the comparative effect of empagliflozin versus sitagliptin on death and hospitalisation for heart failure in patients with chronic heart failure and reduced ejection fraction.
|
1 day after cohort entry date until the first of outcome, disenrollment, end of study period, discontinuation (30 days grace and risk window), switch between the arms, start of any other SGLT2i or DPP4i
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Cataract surgery
Tidsramme: 1 day after cohort entry date until the first of outcome, disenrollment, end of study period, discontinuation (30 days grace and risk window), switch between the arms, start of any other SGLT2i or DPP4i
|
To evaluate the effect of empagliflozin versus sitagliptin on a negative control outcome: cataract surgery
|
1 day after cohort entry date until the first of outcome, disenrollment, end of study period, discontinuation (30 days grace and risk window), switch between the arms, start of any other SGLT2i or DPP4i
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Shirley Wang, PhD, ScM, Brigham and Women's Hospital
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 2018P002966-EMPERORReduced
- 75F40122C00154 (Andet bevillings-/finansieringsnummer: Food and Drug Administration)
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
produkt fremstillet i og eksporteret fra U.S.A.
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