Stroke Clinical Trial
Official title:
Berlin PRehospital Or Usual Delivery of Acute Stroke Care 2.0
Verified date | September 2022 |
Source | Charite University, Berlin, Germany |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Prehospital stroke care in specialized ambulances increases thrombolysis rates, reduces alarm-to-treatment times, and improves prehospital triage. Preliminary analyses suggest cost-effectiveness. However, scientific proof of improved functional outcome compared to usual care is still lacking. The objective of this trial is to show improved functional outcomes after deployment of a Stroke Emergency Mobile (STEMO) compared to regular care.
Status | Active, not recruiting |
Enrollment | 1500 |
Est. completion date | September 28, 2023 |
Est. primary completion date | May 31, 2021 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Suspected acute stroke according to the dispatcher stroke identification algorithm during STEMO hours (7am-11pm, Monday-Sunday) and within the STEMO catchment area Inclusion criteria for primary study population: 2. Final diagnosis of ischemic stroke (ICD 10: I63) or TIA (Transient Ischemic Attack, ICD 10: G45 except G45.4) 3. Confirmed onset-to-alarm time = 4 hours at dispatch 4. Pre-stroke modified Rankin scale = 3 (being able to ambulate, in routine clinical care, patients with mRS up to 3 are usually deemed suitable for tissue plasminogen activator treatment) Exclusion Criteria: 1. Remission of disabling symptoms until arrival of emergency medical service 2. Malignant or other severe primary disease with life expectancy < 1 year Additional exclusion criteria for primary study population: 3. Major surgery within 4 weeks before study inclusion 4. Confirmed stroke within 3 months before study inclusion 5. Absolute contraindications for thrombolysis AND thrombectomy |
Country | Name | City | State |
---|---|---|---|
Germany | Charité | Berlin |
Lead Sponsor | Collaborator |
---|---|
Charite University, Berlin, Germany | Center for Stroke Research Berlin |
Germany,
Ebinger M, Fiebach JB, Audebert HJ. Mobile computed tomography: prehospital diagnosis and treatment of stroke. Curr Opin Neurol. 2015 Feb;28(1):4-9. doi: 10.1097/WCO.0000000000000165. Review. — View Citation
Ebinger M, Harmel P, Nolte CH, Grittner U, Siegerink B, Audebert HJ. Berlin prehospital or usual delivery of acute stroke care - Study protocol. Int J Stroke. 2017 Aug;12(6):653-658. doi: 10.1177/1747493017700152. Epub 2017 Mar 22. — View Citation
Ebinger M, Winter B, Wendt M, Weber JE, Waldschmidt C, Rozanski M, Kunz A, Koch P, Kellner PA, Gierhake D, Villringer K, Fiebach JB, Grittner U, Hartmann A, Mackert BM, Endres M, Audebert HJ; STEMO Consortium. Effect of the use of ambulance-based thrombolysis on time to thrombolysis in acute ischemic stroke: a randomized clinical trial. JAMA. 2014 Apr 23-30;311(16):1622-31. doi: 10.1001/jama.2014.2850. — View Citation
Krebes S, Ebinger M, Baumann AM, Kellner PA, Rozanski M, Doepp F, Sobesky J, Gensecke T, Leidel BA, Malzahn U, Wellwood I, Heuschmann PU, Audebert HJ. Development and validation of a dispatcher identification algorithm for stroke emergencies. Stroke. 2012 Mar;43(3):776-81. doi: 10.1161/STROKEAHA.111.634980. Epub 2012 Jan 5. — View Citation
Kunz A, Ebinger M, Geisler F, Rozanski M, Waldschmidt C, Weber JE, Wendt M, Winter B, Zieschang K, Fiebach JB, Villringer K, Erdur H, Scheitz JF, Tütüncü S, Bollweg K, Grittner U, Kaczmarek S, Endres M, Nolte CH, Audebert HJ. Functional outcomes of pre-hospital thrombolysis in a mobile stroke treatment unit compared with conventional care: an observational registry study. Lancet Neurol. 2016 Sep;15(10):1035-43. doi: 10.1016/S1474-4422(16)30129-6. Epub 2016 Jul 16. — View Citation
Kunz A, Nolte CH, Erdur H, Fiebach JB, Geisler F, Rozanski M, Scheitz JF, Villringer K, Waldschmidt C, Weber JE, Wendt M, Winter B, Zieschang K, Grittner U, Kaczmarek S, Endres M, Ebinger M, Audebert HJ. Effects of Ultraearly Intravenous Thrombolysis on Outcomes in Ischemic Stroke: The STEMO (Stroke Emergency Mobile) Group. Circulation. 2017 May 2;135(18):1765-1767. doi: 10.1161/CIRCULATIONAHA.117.027693. — View Citation
Wendt M, Ebinger M, Kunz A, Rozanski M, Waldschmidt C, Weber JE, Winter B, Koch PM, Freitag E, Reich J, Schremmer D, Audebert HJ; STEMO Consortium. Improved prehospital triage of patients with stroke in a specialized stroke ambulance: results of the pre-hospital acute neurological therapy and optimization of medical care in stroke study. Stroke. 2015 Mar;46(3):740-5. doi: 10.1161/STROKEAHA.114.008159. Epub 2015 Jan 29. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Modified Rankin Scale | Assessment of functional outcome over the entire range of the modified Rankin Scale. The scale runs from 0-6, running from perfect health without symptoms to death. 0 - No symptoms. - No significant disability. Able to carry out all usual activities, despite some symptoms. - Slight disability. Able to look after own affairs without assistance, but unable to carry out all previous activities. - Moderate disability. Requires some help, but able to walk unassisted. - Moderately severe disability. Unable to attend to own bodily needs without assistance, and unable to walk unassisted. - Severe disability. Requires constant nursing care and attention, bedridden, incontinent. - Dead. |
3 months | |
Primary | Co-primary 3-Month Outcome | The co-primary 3-month outcome includes the following range of outcomes: mRS 1-3 if available or living at home (information according registration office at 4 month after stroke) mRS 4-5 or (if mRS is missing) living in institution (information according registration office at 4 month after stroke) death. The co-primary outcome will only be used if the mRS follow-up rate remains below 91%. This will help to include valuable information for patients without concrete mRS follow-up information. All outcomes will be calculated with ordinal logistic regression. |
3 months | |
Secondary | Thrombolysis rate | 3 months | ||
Secondary | Thrombectomy rate | 3 months | ||
Secondary | Diagnosis and treatment times (D) | alarm-to-treatment time | 3 months | |
Secondary | Diagnosis and treatment times (A) | Onset-to-treatment time | 3 months | |
Secondary | Diagnosis and treatment times (B) | onset-to-reperfusion time (for thrombectomy) | 3 months | |
Secondary | Diagnosis and treatment times (C) | alarm-to-imaging time | 3 months | |
Secondary | Diagnosis and treatment times (E) | imaging-to-treatment time | 3 months | |
Secondary | Cost-effectiveness (A) | Additional costs due to implementation and running of STEMO | 3 months | |
Secondary | Cost-effectiveness (B) | duration of hospital stay regarding acute treatment and rehabilitation | 3 months | |
Secondary | Cost-effectiveness (C) | hospital related costs | 3 months | |
Secondary | Cost-effectiveness (D) | costs of long-term care based on projections | 3 months | |
Secondary | Cost-effectiveness (E) | Additional costs due to implementation and running of STEMO, duration of hospital stay regarding acute treatment and rehabilitation, hospital related costs, costs of long-term care based on projections | 3 months | |
Secondary | Quality of life | Assessment with European Quality of Life - 5 Dimensions (EQ-5D) | 3 months | |
Secondary | Modified Rankin Scale shift analyses | Shift analyses for mRS = 1 at 3 months in patients = 80 years of age living at home without disability and mRS = 2 at 3 months in patients > 80 years of age or living at home with help or living in an Institution. For a detailed description of the modified Rankin Scale (mRS) see 1. |
3 months | |
Secondary | In-hospital mortality | Frequency of patients dying within the duration of the hospital stay after admission for stroke. | 7 days | |
Secondary | Death rate over time | Deaths over time will be determined and compared between groups using a Kaplan-Meier plot | 3 months | |
Secondary | Discharge status | Including in-hospital mortality among patients not included in the primary study population (patients with intracranial hemorrhages as well as patients receiving thrombolysis in stroke mimics) | 3 months | |
Secondary | Modified Rankin Scale in patients with intracranial hemorrhages | Assessment of functional outcome among patients with intracranial hemorrhages. For a detailed description of the modified Rankin Scale (mRS) see 1. |
3 months | |
Secondary | Rate of secondary emergency medical service deliveries to specialized facilities | Assessment for patients with acute ischemic stroke to hospitals with Stroke Unit, for patients with cerebral artery occlusion (internal carotid artery, M1 or proximal M2 segment of middle cerebral artery) to hospitals with thrombectomy facility, and for patients with intracerebral hemorrhage to hospitals with neurosurgery department. | 3 months | |
Secondary | Symptomatic hemorrhage (A) | According to clinical categorisation as documented in discharge letters within 36 hours of treatment in patients receiving thrombolysis or thrombectomy | 3 months |
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