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En studie for å teste om tenekteplase hjelper personer med å komme seg etter et akutt hjerneslag når det gis mer enn 4,5 timer etter at personen sist ble sett i god forfatning (TENACITY)

9. november 2026 oppdatert av: Boehringer Ingelheim

TENACITY - En fase III, prospektiv, randomisert, åpenmerket, blindet endepunktsvurdering (PROBE) for å vurdere effekt og sikkerhet av i.v. tenekteplase kontra standardbehandling hos pasienter med akutt iskemisk slag (inkludert oppvåkning-slag), sist kjent frisk >4,5 timer med bildebevis for redningsbart iskemisk vev

This study is open to adults who had an acute stroke caused by a clot blocking a blood vessel in the brain (acute ischemic stroke). This study is for people who had an acute stroke or woke up with a stroke and were last seen well more than 4.5 hours before joining the study. Participants need to have imaging that shows there is brain tissue that can still be saved. They also should not be planned to receive a procedure to remove the blood clot.

The purpose of this study is to find out whether a medicine called tenecteplase helps people recover from an acute stroke. Tenecteplase is already used to treat people within 4.5 hours after they had a stroke. This study tests if tenecteplase also helps if it is given more than 4.5 hours after the stroke.

Participants are put into 2 groups randomly, which means by chance. One group gets tenecteplase as a single injection into a vein. The other group receives standard medical practice. Participants have an equal chance of receiving tenecteplase or the standard treatment.

Participants are in the study for about 3 months. In the beginning, participants stay in the hospital for about 1 week. During the study, participants have 7 clinical examinations or visits. The last 2 of these visits will likely be done from home, allowing participants to complete certain assessments remotely. Doctors regularly test participants' recovery using a scale that measures the level of disability or dependence in daily activities. The results are compared between the 2 groups to see whether the treatment works. The doctors also check participants' health and take note of any unwanted effects.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

1325

Fase

  • Fase 3

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

      • Buenos Aires, Argentina, C1180AAX
      • Ciudad Autonoma Buenos Aires, Argentina, C1221ADC
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        • Ta kontakt med:
      • Kota Bharu, Malaysia, 15586
        • Rekruttering
        • Hospital Raja Perempuan Zainab II
        • Ta kontakt med:
      • Kota Bharu, Malaysia, 15200
        • Rekruttering
        • Hospital Universiti Sains Malaysia
        • Ta kontakt med:
      • Kuala Lumpur, Malaysia, 50586
        • Rekruttering
        • Hospital Kuala Lumpur
        • Ta kontakt med:
      • Serdang, Malaysia, 43400
        • Rekruttering
        • Universiti Putra Malaysia
        • Ta kontakt med:
      • Bergen, Norge, 5021
        • Har ikke rekruttert ennå
        • Haukeland University Hospital
        • Ta kontakt med:
      • Grålum, Norge, 1714
        • Rekruttering
        • Sykehuset Ostfold HF
        • Ta kontakt med:
      • Stavanger, Norge, 4011
        • Har ikke rekruttert ennå
        • Helse Stavanger, Stavanger Universitetssykehus
        • Ta kontakt med:
      • Arad, Romania, 310037
        • Rekruttering
        • Spitalul Clinic Județean De Urgența Arad
        • Ta kontakt med:
      • Brasov, Romania, 500326
        • Rekruttering
        • Spitalul Clinic Judetean de Urgenta Brasov
        • Ta kontakt med:
      • Constanța, Romania, 900591
        • Har ikke rekruttert ennå
        • Spitalul Clinic Judetean De Urgenta Sfantul Apostol Andrei Constanta
        • Ta kontakt med:
      • Piatra Neamţ, Romania, 610136
        • Rekruttering
        • Spitalul Judetean de Urgenta Piatra Neamt
        • Ta kontakt med:
      • Suceava, Romania, 720284
        • Rekruttering
        • Spitalul Judetean De Urgenta Sfantul Ioan Cel Nou Suceava
        • Ta kontakt med:
      • Târgu Mureş, Romania, 540136
        • Rekruttering
        • Spitalul Clinic Judetean de Urgenta Targu Mures
        • Ta kontakt med:
      • A Coruña, Spania, 15006
        • Rekruttering
        • Complejo Hospitalario Universitario A Coruña
        • Ta kontakt med:
      • Alicante, Spania, 03010
        • Har ikke rekruttert ennå
        • Hospital General Universitario Dr. Balmis
        • Ta kontakt med:
      • Barakaldo, Spania, 48903
        • Har ikke rekruttert ennå
        • Hospital Universitario de Cruces
        • Ta kontakt med:
      • Barcelona, Spania, 08041
        • Rekruttering
        • Hospital Santa Creu i Sant Pau
        • Ta kontakt med:
      • Barcelona, Spania, 08035
        • Rekruttering
        • Hospital Universitari Vall d'Hebron - VHIR
        • Ta kontakt med:
      • Barcelona, Spania, 08003
        • Rekruttering
        • Hospital del Mar
        • Ta kontakt med:
      • Barcelona, Spania, 08916
        • Rekruttering
        • Hospital Germans Trias i Pujol
        • Ta kontakt med:
      • Girona, Spania, 17007
        • Rekruttering
        • Hospital Universitari de Girona Doctor Josep Trueta
        • Ta kontakt med:
      • L'Hospitalet de Llobregat, Spania, 08907
        • Rekruttering
        • Hospital Universitari de Bellvitge
        • Ta kontakt med:
      • Madrid, Spania, 28041
        • Rekruttering
        • Hospital Universitario 12 de Octubre
        • Ta kontakt med:
      • Madrid, Spania, 28007
        • Rekruttering
        • Hospital General Universitario Gregorio Marañón
        • Ta kontakt med:
      • Madrid, Spania, 28006
        • Rekruttering
        • Hospital Ruber Juan Bravo
        • Ta kontakt med:
      • Madrid, Spania, 28040
        • Rekruttering
        • Hospital Clínico San Carlos
        • Ta kontakt med:
      • Madrid, Spania, 28006
        • Har ikke rekruttert ennå
        • Hospital Universitario De La Princesa
        • Ta kontakt med:
      • Salamanca, Spania, 37007
        • Har ikke rekruttert ennå
        • Hospital Universitario de Salamanca
        • Ta kontakt med:
      • Seville, Spania, 41009
        • Rekruttering
        • Hospital Universitario Virgen De La Macarena
        • Ta kontakt med:
      • Tarragona, Spania, 43005
        • Har ikke rekruttert ennå
        • Hospital Universitari Joan XXIII
        • Ta kontakt med:
      • Terrassa, Spania, 08221
        • Rekruttering
        • Hospital Universitari Mutua de Terrasa
        • Ta kontakt med:
      • Valencia, Spania, 46010
        • Rekruttering
        • Hospital Clinico Universitario de Valencia
        • Ta kontakt med:
      • Vigo, Spania, 36312
        • Har ikke rekruttert ennå
        • Hospital Álvaro Cunqueiro
        • Ta kontakt med:
      • Zaragoza, Spania, 50009
        • Har ikke rekruttert ennå
        • Hospital Clinico Universitario Lozano Blesa
        • Ta kontakt med:
      • Buzi, Taiwan, 61363
        • Rekruttering
        • Chang Gung Memorial Hospital Chiayi
        • Ta kontakt med:
      • Changhua, Taiwan, 50006
        • Rekruttering
        • Changhua Christian Hospital
        • Ta kontakt med:
      • Keelung, Taiwan, 204
        • Rekruttering
        • Chang Gung Memorial Hospital-Keelung
        • Ta kontakt med:
      • New Taipei City, Taiwan, 23561
        • Rekruttering
        • Taipei Medical University-Shuang Ho Hospital
        • Ta kontakt med:
      • Taichung, Taiwan, 40447
        • Rekruttering
        • China Medical University Hospital
        • Ta kontakt med:
      • Taipei, Taiwan, 114
        • Rekruttering
        • Tri-Service General Hospital
        • Ta kontakt med:
      • Taipei, Taiwan, 100225
        • Rekruttering
        • National Taiwan University Hospital
        • Ta kontakt med:
      • Taipei, Taiwan, 112201
        • Rekruttering
        • Taipei Veterans General Hospital
        • Ta kontakt med:
      • Taoyuan City, Taiwan, 333
        • Rekruttering
        • Chang Gung Memorial Hospital, Linkou
        • Ta kontakt med:
      • Bangkok, Thailand, 10330
        • Rekruttering
        • King Chulalongkorn Memorial Hospital
        • Ta kontakt med:
      • Bangkok, Thailand, 10400
        • Rekruttering
        • Phramongkutklao Hospital
        • Ta kontakt med:
      • Bangkok, Thailand, 10700
        • Har ikke rekruttert ennå
        • Siriraj Hospital
        • Ta kontakt med:
      • Bangkok, Thailand, 10400
        • Har ikke rekruttert ennå
        • Ramathibodi Hospital
        • Ta kontakt med:
      • Chiang Mai, Thailand, 50200
        • Rekruttering
        • Maharaj Nakorn Chiang Mai Hospital
        • Ta kontakt med:
      • Khon Kaen, Thailand, 40002
        • Rekruttering
        • Srinagarind Hospital
        • Ta kontakt med:
      • Klong Luang, Thailand, 12120
        • Rekruttering
        • Thammasat University Hospital
        • Ta kontakt med:
      • Lampang, Thailand, 52000
        • Rekruttering
        • Lampang Hospital
        • Ta kontakt med:
      • Muang, Thailand, 34000
        • Rekruttering
        • Sunprasitthiprasong Hospital
        • Ta kontakt med:
      • Budapest, Ungarn, 1083
      • Budapest, Ungarn, 1145
      • Kistarcsa, Ungarn, 2143
      • Miskolc, Ungarn, 3526
        • Rekruttering
        • Borsod-Abauj-Zemplen Megyei Korhaz es Egyetemi Oktato Korhaz
        • Ta kontakt med:
      • Nyíregyháza, Ungarn, 4400
        • Rekruttering
        • Szabolcs-Szatmar-Bereg Varmegyei Oktatokorhaz
        • Ta kontakt med:
      • Pécs, Ungarn, 7623
      • Szeged, Ungarn, 6725
      • Székesfehérvár, Ungarn, 8000
        • Rekruttering
        • Fejer Varmegyei Szent Gyoergy Egyetemi Oktato Korhaz
        • Ta kontakt med:
      • Da Nang, Vietnam, 550000
        • Rekruttering
        • Da Nang Hospital
        • Ta kontakt med:
      • Haiphong, Vietnam
        • Rekruttering
        • Viet Tiep Hospital
        • Ta kontakt med:
      • Hanoi, Vietnam, 100000
        • Har ikke rekruttert ennå
        • Bach Mai hospital
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 700000
        • Rekruttering
        • Nhan Dan Gia Dinh Hospital
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 700000
        • Har ikke rekruttert ennå
        • Nguyen Tri Phuong Hospital
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 700000
        • Har ikke rekruttert ennå
        • Military Hospital 175
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 700000
        • Rekruttering
        • Thong Nhat Hospital HCMC
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 700000
        • Har ikke rekruttert ennå
        • People's Hospital 115
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 748806
        • Rekruttering
        • University Medical Center HCMC
        • Ta kontakt med:
      • Ho Chi Minh City, Vietnam, 700000
        • Rekruttering
        • Le Van Thinh Hospital
        • Ta kontakt med:
      • Viet Tri, Vietnam, 290000
        • Har ikke rekruttert ennå
        • Phu Tho General Hospital
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion criteria:

  1. Male or female ≥18 years old and at least at the legal age of consent in countries where it is greater than 18 years
  2. Signed and dated written informed consent in accordance with ICH-GCP and local legislation prior to admission to the trial
  3. Acute ischaemic stroke (including wake-up stroke) affecting the supratentorial circulation (anterior cerebral artery (ACA), middle cerebral artery (MCA), and posterior cerebral arteries (PCA)) last known well >4.5 h before time of presumed randomisation
  4. Pre-stroke modified Rankin scale (mRS) ≤1
  5. Imaging eligibility by magnetic resonance imaging (MRI)computed tomography (CT)

Exclusion criteria:

  1. Intention to proceed to mechanical thrombectomy (MT) at the same site (hospital) of randomisation
  2. Occlusion of the internal carotid artery (ICA)
  3. High-risk patients (increased risk of thrombolysis related hemorrhage)
  4. Any intracranial hemorrhage detected on non-contrast computed tomography (NCCT) or MRI scans
  5. Contra-indication to contrast brain imaging with CT and MRI
  6. Severe stroke as assessed clinically (National Institute of Health Stroke Scale (NIHSS) > 25)
  7. Non-disabling minor stroke symptoms (NIHSS ≤5), or rapidly improving symptoms at the discretion of the investigator
  8. Imaging or clinical findings not indicative of acute ischemic stroke or suggesting stroke older than 72 h
  9. Patients scheduled to receive intravenous (i.v.) thrombolysis as standard of care Further exclusion criteria apply.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Tenekteplase-behandlingsarm

Tenecteplase

Aktiv komparator: Standard behandlingsarm

Standard of care treatment

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
modified Rankin Scale (mRS) score of 0-1 at Day 90
Tidsramme: at day 90

The Modified Rankin Scale, MRS, is a tool used to evaluate disability after a stroke. The score ranges from 0 to 6, with higher values indicating greater severity of the disability.

at day 90

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
mRS (ordinal) dag 90
Tidsramme: på dag 90
på dag 90
mRS 0-2 på dag 90
Tidsramme: ved dag 90
ved dag 90
Symptomatisk intrakraniell blødning (sICH) som definert av Safety Implementation of Thrombolysis in Stroke: Monitoring Study (SITS-MOST)-kriterier ved 36 timer
Tidsramme: etter 36 timer
etter 36 timer
sICH som definert av European Cooperative Acute Stroke Study (ECASS) III-kriterier ved 36 timer
Tidsramme: etter 36 timer
etter 36 timer
Død av enhver årsak innen 90 dager
Tidsramme: opptil 90 dager
opptil 90 dager
Early neurological improvement (reduction in acute - 24-hour National Institute of Health Stroke Scale (NIHSS) score of ≥8 or value of 0/1)
Tidsramme: at baseline/randomisation, 24 hours after randomization

NIHSS is a tool used by healthcare providers to objectively quantify the impairment caused by a stroke. It is composed of 11 items. The score ranges from 0 to a maximum of 42. For each item a score of 0 typically indicates normal function in that specific ability, while a higher score is indicative of some level of impairment.

at baseline/randomisation, 24 hours after randomization

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Hjelpsomme linker

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

17. februar 2026

Primær fullføring (Antatt)

2. oktober 2027

Studiet fullført (Antatt)

2. oktober 2027

Datoer for studieregistrering

Først innsendt

14. januar 2026

Først innsendt som oppfylte QC-kriteriene

14. januar 2026

Først lagt ut (Faktiske)

23. januar 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

10. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

9. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 1123-0060
  • 2025-522542-40-00 (Ctis)
  • U1111-1323-6001 (Registeridentifikator: WHO - International Clinical Trials Registry Platform (ICTRP))
  • 2025 (U.S. NIH-stipend/kontrakt)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

Once the criteria in section "Time Frame" are fulfilled, researchers can use the following link https://www.clinicalstudies.boehringer-ingelheim.com/msw/datasharing to request access to the clinical study documents regarding this study, and upon a signed "Document Sharing Agreement".

Furthermore, researchers can request access to the clinical study data, for this and other listed studies, after the submission of a research proposal and according to the terms outlined in the website.

IPD-delingstidsramme

One year after the approval has been granted by major Regulatory Authorities and after the primary manuscript has been accepted for publication, or after termination of the development program.

Tilgangskriterier for IPD-deling

For study documents - upon signing of a "Document Sharing Agreement". For study data - 1. after the submission and approval of the research proposal (checks will be performed by the sponsor and/or the independent review panel, including checking that the planned analysis does not compete with sponsor's publication plan); 2. and upon signing of a legal agreement.

IPD-deling Støtteinformasjonstype

  • STUDY_PROTOCOL
  • SEVJE
  • CSR

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .