- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07687576
Comparative Evaluation of Sustained meChanical AsPiration Thrombectomy and no Thrombus Modification for Pre-stent Thrombus bUrden Reduction in Patients With Acute Myocardial Infarction Study: the CAPTURE AMI Study (CAPTURE AMI)
The CAPTURE AMI trial is an investigator-initiated, single-centre, two-arm, randomised controlled trial. Patients aged ≥ 18 years who present with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI) will be enrolled after angiographic evidence of a high thrombus burden (TIMI thrombus grade ≥ 4) and meeting the inclusion criteria laid out in section 9.2 will be 1:1 randomised to receive either standalone PCI (Arm 1) or adjunct sustained mechanical thrombectomy + PCI (Arm 2).
The CAPTURE AMI study will enrol specifically patients with:
A. Evidence of high thrombus burden on coronary angiography (TIMI thrombus grade ≥ 4) B. Culprit in an artery with a diameter of 3.0 mm or more. The trial is designed to evaluate the efficacy of sustained mechanical thrombectomy versus standalone PCI in patients with a large thrombus burden assessed angiographically, with a pre-stent thrombus burden (%) as the primary imaging endpoint.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Fase 2
- Fase 3
Kontakter og lokationer
Studiekontakt
- Navn: Giovanni Luigi De Maria, MD
- Telefonnummer: +44 18655 528364
- E-mail: GiovanniLuigi.DeMaria@ouh.nhs.uk
Studiesteder
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Oxfordshire
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Oxford, Oxfordshire, Det Forenede Kongerige, OX3 9DU
- Rekruttering
- Oxford Heart Centre - John Radcliffe Hospital
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Primary PCI patient with ST elevation myocardial infarction
Angiographic criteria:
- TIMI 0/1 flow at presentation
- Angiographic thrombus score ≥ 4
- Vessel diameter at site of occlusion ≥ 3.0mm (determined by coronary angiography)
Exclusion Criteria:
- Female participant who is pregnant or lactating
- Unconscious at presentation
- Late STEMI presentation (symptoms onset to wire time > 12 h)
- Clinically/haemodynamically unstable patients
- Known diagnosis of severe renal disease (CKD stage 4-5)
- Suspected spontaneous coronary artery dissection
- Previous CABG
- Previous history on STEMI in the same culprit territory
- Known moderate-severe anaemia (Hb < 9)
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: Standalone PCI
Standalone OCT guided PCI
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Optical Coherence Tomography guided Percutaneous Coronary Intervention
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Eksperimentel: PCI & Sustained thrombectomy
OCT guided PCI & Sustained Thrombectomy
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Optical Coherence Tomography guided Percutaneous Coronary Intervention
Sustained thrombectomy with the Indigo® System CAT™ RX aspiration catheter
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Pre stent Thrombus Burden
Tidsramme: Pre stent implantation (Periprocedural)
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Pre stent Thrombus Burden (thrombus volume/lumen volume) evaluated by Optical Coherence Tomography
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Pre stent implantation (Periprocedural)
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Andre resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Clinical Outcomes
Tidsramme: In hospital (Pre-discharge), 30 days & 6 months
|
Rate of major adverse cardiac and cerebrovascular events (MACCE)
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In hospital (Pre-discharge), 30 days & 6 months
|
|
Efficacy of thrombus burden reduction
Tidsramme: Pre stent implantation (Periprocedural)
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Thrombus volume (mm3) by Optical Coherence Tomography
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Pre stent implantation (Periprocedural)
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Efficacy of thrombus burden reduction
Tidsramme: Pre stent Implantation (Periprocedural)
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Thrombus area, flow area (mm2) by Optical Coherence Tomography
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Pre stent Implantation (Periprocedural)
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Efficacy of thromboatheroma reduction
Tidsramme: Post stent implantation (Periprocedural)
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Thromboatheroma volume (mm3), flow volume (mm3) by Optical Coherence Tomography
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Post stent implantation (Periprocedural)
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Efficacy of target vessel reperfusion
Tidsramme: Post stent Implantation (Periprocedural)
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Coronary Flow Reserve (CFR) and Index of Microcirculatory Resistance (IMR) assessment in target vessel
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Post stent Implantation (Periprocedural)
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Efficacy of stent implantation
Tidsramme: Post stent implantation (Periprocedural)
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Stent expansion & apposition by Optical Coherence Tomography
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Post stent implantation (Periprocedural)
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Samarbejdspartnere og efterforskere
Publikationer og nyttige links
Generelle publikationer
- Kotronias RA, Walsh JL, Andreaggi S, Portolan L, Maino A, Marin F, Chai J, Sobirov I, Sheikh M, Cahill TJ, Lucking AJ, Costello M, Fraile Moreno E, Haridas V, Shaji A, Garcia-Garcia HM, Channon KM, Banning AP, Langrish JP, De Maria GL; OxAMI and RETRIEVE AMI Investigators. Stent-Retriever Thrombectomy in STEMI With Large Thrombus Burden: The RETRIEVE AMI Randomized Trial. JACC Adv. 2025 Jul;4(7):101893. doi: 10.1016/j.jacadv.2025.101893. Epub 2025 Jun 23.
- Walsh JL, Kotronias RA, Banning AP, De Maria GL. Interventional thrombus modification in STEMI. Nat Rev Cardiol. 2024 Jul;21(7):435-436. doi: 10.1038/s41569-024-01020-2. No abstract available.
- Kotronias RA, Marin F, Emfietzoglou M, Langrish JP, Lucking AJ, Channon KM, Banning AP, De Maria GL. Rationale and Design of a Randomized Controlled Pilot Trial to Assess Stent Retriever Thrombectomy for Thrombus Burden Reduction in Patients with Acute Myocardial Infarction: The RETRIEVE-AMI Study. Cardiovasc Revasc Med. 2023 Jul;52:75-85. doi: 10.1016/j.carrev.2023.02.012. Epub 2023 Mar 6.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Karsygdomme
- Hjerte-kar-sygdomme
- Patologiske processer
- Hjertesygdomme
- Infarkt
- Nekrose
- Embolisme og trombose
- Myokardieiskæmi
- Myokardieinfarkt
- Iskæmi
- Patologiske tilstande, tegn og symptomer
- ST Elevation Myokardieinfarkt
- Trombose
- Kirurgiske procedurer, operative
- Endovaskulære procedurer
- Vaskulære kirurgiske procedurer
- Kardiovaskulære kirurgiske procedurer
- Minimalt invasive kirurgiske procedurer
- Perkutan koronar intervention
Andre undersøgelses-id-numre
- 19672
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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