Stroke Clinical Trial
Official title:
A Double-Blind, Placebo-Controlled, Randomized, Phase Ib/IIa Clinical Study of ApTOLL for the Treatment of Acute Ischemic Stroke
Verified date | October 2022 |
Source | aptaTargets S.L. |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is a prospective, multicenter, double-blind, randomized, placebo-controlled, Phase Ib/IIa clinical study to assess the administration of ApTOLL together with endovascular therapy in acute ischemic stroke patients who are candidates to receive reperfusion therapies.
Status | Completed |
Enrollment | 151 |
Est. completion date | September 7, 2022 |
Est. primary completion date | July 25, 2022 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 90 Years |
Eligibility | Inclusion Criteria: 1. Age =18 and =90 years. 2. Informed consent obtained from subject or acceptable subject surrogate (i.e. next of kin, or legal representative). 3. A new focal disabling neurologic deficit consistent with acute cerebral ischemia. 4. Baseline NIHSS obtained prior to randomization = 8 points and = 25 points. 5. Pre-stroke mRS score of 0 - 2. 6. Treatable as soon as possible and at least within 6 hours of symptom onset, defined as point in time when the subject was last seen well (at baseline). 7. Patients should be candidates to receive EVT treatment with or without i.v. rt-PA. 8. Occlusion (TICI 0 or TICI 1 flow), of the terminal internal carotid artery (TICA), M1 or M2 segments of the middle cerebral artery, suitable for mechanical embolectomy, confirmed on Computed Tomography Angiography. 9. The following imaging criteria should also be met on admission neuroimaging: 1. MRI criterion: volume of DWI (Diffusion-weighted Imaging) restriction =5 mL and =70 mL OR 2. CT criterion: Alberta Stroke program early CT score (ASPECTS) 6 to 10 on baseline CT AND infarct core determined on admission CTPerfusion by Cerebral Blood Flow<30%: =5 mL and =70 mL. 10. The subject has an indication and is planned to receive endovascular treatment of stroke according to the European Stroke Organization Guidelines. Exclusion Criteria: 1. Subject has suffered a stroke in the past 1 year. 2. Occlusion (TICI 0 or TICI 1 flow) of the basilar or vertebral or posterior or anterior cerebral arteries. 3. Clinical symptoms suggestive of bilateral stroke or stroke in multiple territories. 4. Known hemorrhagic diathesis, coagulation factor deficiency, or oral anticoagulant therapy with INR (international normalized ratio)>3.0. 5. Baseline platelet count <50,000/µL. 6. Baseline blood glucose of <50 mg/dL or >400 mg/dL. 7. Severe, sustained hypertension (systolic blood pressure >185 mmHg or diastolic blood pressure >110 mmHg). 8. Serious, advanced, or terminal illness with anticipated life expectancy of less than 1 year. 9. Subjects with identifiable intracranial tumors. 10. History of life-threatening allergy (more than rash) to contrast medium. 11. Known renal insufficiency with creatinine =3 mg/dL or Glomerular Filtration Rate (GFR) <30 mL/min. 12. Cerebral vasculitis. 13. Evidence of active systemic infection. 14. Known current use of cocaine at time of treatment. 15. Patient participating in a study involving an investigational drug or device that would impact this study. 16. Patients that are unlikely to be available for a 90-day follow-up (e.g. no fixed home address, visitor from overseas). 17. Female who is pregnant or lactating or has a positive pregnancy test at time of admission. 18. CT or MRI evidence of hemorrhage (the presence of microbleeds is allowed). 19. Significant mass effect with midline shift. 20. Suspicion of aortic dissection presumed septic embolus, or suspicion of bacterial endocarditis. |
Country | Name | City | State |
---|---|---|---|
France | Centre Hospitalier Régional Universitaire de Lille | Lille | |
France | Foundation Adolphe de Rothschild | Paris | |
France | Centre Hospitalier Universitaire de Toulouse | Toulouse | |
Germany | Universitätsklinikum Essen | Essen | |
Spain | Hospital Universitario Central de Asturias | Asturias | |
Spain | Hospital Bellvitge | Barcelona | |
Spain | Hospital Germans Trias i Pujol | Barcelona | |
Spain | Hospital Universitario Vall d´Hebron | Barcelona | |
Spain | Hospital Universitario A Coruña | Coruña | |
Spain | Hospital Universitario de Gerona Dr. Josep Trueta | Gerona | |
Spain | Hospital Universitario 12 de Octubre | Madrid | |
Spain | Hospital Universitario La Princesa | Madrid | |
Spain | Hospital Universitario Ramón y Cajal | Madrid | |
Spain | Hospital Virgen del Rocío | Sevilla | |
Spain | Hospital Universitario y Politécnico La Fe | Valencia | |
Spain | Hospital Clínico Valladolid | Valladolid |
Lead Sponsor | Collaborator |
---|---|
aptaTargets S.L. | Anagram, Science and Innovation Spanish Ministry |
France, Germany, Spain,
Hernández-Jiménez M, Martín-Vílchez S, Ochoa D, Mejía-Abril G, Román M, Camargo-Mamani P, Luquero-Bueno S, Jilma B, Moro MA, Fernández G, Piñeiro D, Ribó M, González VM, Lizasoain I, Abad-Santos F. First-in-human phase I clinical trial of a TLR4-binding DNA aptamer, ApTOLL: Safety and pharmacokinetics in healthy volunteers. Mol Ther Nucleic Acids. 2022 Mar 9;28:124-135. doi: 10.1016/j.omtn.2022.03.005. eCollection 2022 Jun 14. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Safety of ApTOLL | To assess if ApTOLL is safe when combined with EVT therapy as determined by:
Death. Adverse events that occur during the study. Physical examination. Laboratory tests. Recurrent stroke. Symptomatic intracranial hemorrhage (sICH). |
From dosing to follow-up (day 90 after dosing) | |
Secondary | Mean infarct volume | Magnetic Resonance Image | 72 hours | |
Secondary | Effect in inflammatory response | Proinflammatory markers in blood between study groups | Predose and up to 72 hours post-dose | |
Secondary | Early clinical course | NIHSS (National institute of Health Stroke Scale). The maximum possible score is 42, with the minimum score being a 0 (the higher the score, the more impaired a stroke patient is) | 72 hours post-dose | |
Secondary | Long-term outcome | mRS (modified Ranking Score). Coded from 0 (no symptoms at all) through 5 (severe disability) 6 (death). | Day 90 post-dose |
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