Study on Hibernation-like Therapy Based on Mechanical Thrombectomy

NCT ID: NCT06663631

Last Updated: 2024-12-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

32 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-11-09

Study Completion Date

2025-02-28

Brief Summary

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The goal of this clinical trial is to learn whether chlorpromazine and promethazine(C+P)is safe in Acute Ischemic Stroke(AIS) patients and determine the maximum dosage. It will also evaluate the preliminary efficacy of C+P in AIS. The main questions it aims to answer are:

What is the optimal dosage of C+P that is safe without causing adverse effects in AIS patients? What is the optimal dosage of C+P that potentially works to treat AIS? Researchers will compare C+P with placebo (saline solution without C+P) to see if C+P is safe and effective in treating Acute Ischemic Stroke.

Participants will:

Receive C+P or placebo at the same time as endovascular thrombectomy begins. Patients will be observed for 72 hours to see if there were any adverse effects related to C+P. Infarct volumes will be evaluated using Computed Tomography. Functional outcomes will be assessed at 90 days.

Detailed Description

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Chlorpromazine and promethazine (C+P), due to their effort to induce a hibernation-like status, has been proved to be neuroprotective for ischemic stroke in pre-clinical experiments. However, whether it is safe and potentially effective in acute ischemic stroke (AIS) patients is currently unknown. The reason might be that the optimal dosage is not defined in AIS treatment. High dosage of C+P might result in hypotension and extrapyramidal symptoms that diminishes its neuroprotective effect. So it is essential to determine a safe and potentially dosage. Another reason might be that patients from previous clinical trials assessing the effectiveness of C+P did not receive reperfusion therapy. In this study,we plan to conduct a 6+2 dose-escalation clinical trial to determine the safety of C+P in AIS patients receiving endovascular thrombectomy. Four dosage groups of C+P will be set(10mg/20mg/50mg/100mg).A minimum of 32 patients will be involved if no drug related severe adverse event(SAE) was observed. A maximum of 64 patients will be required if one SAE is observed in each group. The current study aim to provide a basis for phase Ⅱ clinical trial to further explore the efficacy of C+P in AIS treatmment.

Conditions

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Acute Ischemic Stroke

Keywords

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Hibernation-like status Reperfusion Neuroprotection phenothiazine dose-escalation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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chlorpromazine and promethazine of Very low dosage

patients will receive C+P(chlorpromazine and promethazine ,10 mg each)at the beginning of endovascular thrombectomy.

Group Type EXPERIMENTAL

chlorpromazine and promethazine

Intervention Type DRUG

C+P were diluted to 50 ml saline solution and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

endovascular thrombectomy

Intervention Type PROCEDURE

All patients that are eligible for endovascular thrombectomy will receive this surgery in aim to remove thrombus and restore reperfusion.

rt-PA

Intervention Type DRUG

All patients that are eligible for Intravenous thrombolysis will receive 0.9mg/kg rt-PA in aim to remove thrombus and restore reperfusion

chlorpromazine and promethazine of low-dosage

patients will receive C+P(chlorpromazine and promethazine ,20 mg each)at the beginning of endovascular thrombectomy.

Group Type EXPERIMENTAL

chlorpromazine and promethazine

Intervention Type DRUG

C+P were diluted to 50 ml saline solution and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

endovascular thrombectomy

Intervention Type PROCEDURE

All patients that are eligible for endovascular thrombectomy will receive this surgery in aim to remove thrombus and restore reperfusion.

rt-PA

Intervention Type DRUG

All patients that are eligible for Intravenous thrombolysis will receive 0.9mg/kg rt-PA in aim to remove thrombus and restore reperfusion

chlorpromazine and promethazine of moderate dosage

patients will receive C+P(chlorpromazine and promethazine ,50 mg each)at the beginning of endovascular thrombectomy.

Group Type EXPERIMENTAL

chlorpromazine and promethazine

Intervention Type DRUG

C+P were diluted to 50 ml saline solution and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

endovascular thrombectomy

Intervention Type PROCEDURE

All patients that are eligible for endovascular thrombectomy will receive this surgery in aim to remove thrombus and restore reperfusion.

rt-PA

Intervention Type DRUG

All patients that are eligible for Intravenous thrombolysis will receive 0.9mg/kg rt-PA in aim to remove thrombus and restore reperfusion

chlorpromazine and promethazine of high dosage

patients will receive C+P(chlorpromazine and promethazine ,100 mg each)at the beginning of endovascular thrombectomy.

Group Type EXPERIMENTAL

chlorpromazine and promethazine

Intervention Type DRUG

C+P were diluted to 50 ml saline solution and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

endovascular thrombectomy

Intervention Type PROCEDURE

All patients that are eligible for endovascular thrombectomy will receive this surgery in aim to remove thrombus and restore reperfusion.

rt-PA

Intervention Type DRUG

All patients that are eligible for Intravenous thrombolysis will receive 0.9mg/kg rt-PA in aim to remove thrombus and restore reperfusion

Placebo group

50 ml saline solution was delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

Group Type PLACEBO_COMPARATOR

Placebo group

Intervention Type DRUG

50 ml saline solution was set as placebo and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

endovascular thrombectomy

Intervention Type PROCEDURE

All patients that are eligible for endovascular thrombectomy will receive this surgery in aim to remove thrombus and restore reperfusion.

rt-PA

Intervention Type DRUG

All patients that are eligible for Intravenous thrombolysis will receive 0.9mg/kg rt-PA in aim to remove thrombus and restore reperfusion

Interventions

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chlorpromazine and promethazine

C+P were diluted to 50 ml saline solution and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

Intervention Type DRUG

Placebo group

50 ml saline solution was set as placebo and delivered intravenously at the beginning of endovascular thrombectomyat a velocity of 4ml/h. The whole period of drug delivery lasts for approximately 12h.

Intervention Type DRUG

endovascular thrombectomy

All patients that are eligible for endovascular thrombectomy will receive this surgery in aim to remove thrombus and restore reperfusion.

Intervention Type PROCEDURE

rt-PA

All patients that are eligible for Intravenous thrombolysis will receive 0.9mg/kg rt-PA in aim to remove thrombus and restore reperfusion

Intervention Type DRUG

Other Intervention Names

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C+P lytic cocktail Control group Intravenous thrombolysis

Eligibility Criteria

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Inclusion Criteria

1. Age between 18-80 years(including the critical value)
2. Ischemic stroke with a National Institutes of Health Stroke Scale (NIHSS) score ranging from 6-20
3. Time from last known to be well to randomization within 24h
4. Pre-stroke Modified Rankin Scale scoring 0-1.
5. With indications of reperfusion therapy (including intravenous thrombolysis and endovascular thrombectomy).
6. Informed consent signed by patients or their legal relatives.
7. CT angiography (CTA) confirmed large vessel occlusion of anterior circulation
8. Alberta Stroke Program Early Computed Tomography Score (ASPECT) score of 6-10.
9. initial infarct volume on CT perfusion (CTP) lesser than 70ml; a ratio of hypoperfused volume to infarcted volume greater than 1.8; absolute mismatch volume greater than 15 ml according to DEFUSE-3 trial.

Exclusion Criteria

1. Clinical findings suggest intracranial parenchymal hemorrhage or subarachnoid hemorrhage.
2. Accompanied by epilepsy.
3. Accompanied by coma or mental disorders, may interfere with neurological function assessment.
4. History of premorbid phenothiazine allergy or contraindication.
5. History of allergy to iodine contrast medium or anaphylactic shock
6. Baseline blood glucose \<50mg/dL (2.78mmol) or \>400mg/dL (22.20mmol)

\* Acceptable fingertip blood glucose results
7. Baseline platelet \<50×109 /L
8. Recent (i.e. within 30 days prior to randomization) history of gastrointestinal or other clinically significant bleeding; Active bleeding, abnormal clotting factors, or bleeding tendency (INR≥3 or PT≥3×ULN on anticoagulants; If the investigator believes that the subject does not have coagulation dysfunction, it is not necessary to wait for the results of the coagulation test before deciding whether to enroll.)
9. The stroke is accompanied by fever, or there is an active infection requiring systemic treatment (such as active tuberculosis, etc.)
10. Expected survival less than 90 days (According to the Chinese Guidelines for Early Endovascular Interventional Diagnosis and Treatment of Acute Ischemic Stroke 2022, expected survival less than 90 days is a contraindication for endovascular therapy)
11. A history of severe cardiovascular disease, including but not limited to: uncontrolled hypertension (systolic blood pressure \>180 mmHg or diastolic blood pressure \>105 mmHg after standard treatment), hypotension (systolic blood pressure ≤100 mmHg after standard treatment), or pulmonary hypertension; Had unstable angina pectoris, myocardial infarction, or bypass or stent surgery within 6 months before randomization; New York Heart Association (NYHA) grade 3-4 history of chronic heart failure; Clinically significant valvular disease; Severe arrhythmias requiring treatment (except atrial fibrillation and paroxysmal supraventricular tachycardia), including QT interval ≥450ms for men and ≥470ms for women
12. accompanied by chronic obstructive pulmonary disease(COPD), tuberculosis, pneumonia, pneumothorax, atelectasis, pulmonary fibrosis, bronchopulmonary dysplasia, pleural effusion, acute respiratory distress syndrome, respiratory irregularity and other lung diseases
13. Severe hepatic and renal insufficiency, including but not limited to: cirrhosis, hepatic encephalopathy, ascites, renal failure or uremia (Ccr\<25ml/min), hepatorenal syndrome, etc
14. Pregnancy or lactating women
15. Participation in other clinical trials and have used an investigational drug or medical device
16. Patients that may not be able to complete the study for other reasons or who the investigator believes should not be included

1. computed tomographic angiography(CTA)/magnetic resonance angiography(MRA)/digital substraction angiography(DSA) shows excessive vascular curvature, which may hinder delivery of interventional devices
2. Cerebrovascular inflammation is suspected based on medical history and CTA/MRA/DSA
3. Aortic dissection is suspected based on medical history and CTA/MRA/DSA
4. CTA/MRA/DSA confirmed multi-vascular regional occlusion (such as bilateral anterior circulation or anterior/posterior circulation, extracranial carotid artery with intracranial tandem lesions), or clinical evidence of bilateral or multi-regional infarction
5. CTA/MRA/DSA confirms moyamoya disease or moyamoya syndrome
6. CT/MRI confirmed a significant midline shift effect
7. CT/MRI confirms the presence of intracranial tumors (except cerebellar meningioma) CT/MRI confirmed intracranial hemorrhage
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Linyi People's Hospital

OTHER

Sponsor Role collaborator

Capital Medical University

OTHER

Sponsor Role lead

Responsible Party

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Ji Xunming,MD,PhD

chief physician

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Xunming Ji, Doctor

Role: STUDY_CHAIR

Capital Medical University

Locations

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Linyi People's Hospital

Linyi, Shandong, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Xunming Ji, Doctor

Role: CONTACT

Phone: +86 13911077166

Email: [email protected]

Hao Wang, Doctor

Role: CONTACT

Phone: +86 13518690201

Email: [email protected]

Facility Contacts

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Qi Wang, Dr.

Role: primary

References

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Tarahovsky YS, Fadeeva IS, Komelina NP, Khrenov MO, Zakharova NM. Antipsychotic inductors of brain hypothermia and torpor-like states: perspectives of application. Psychopharmacology (Berl). 2017 Jan;234(2):173-184. doi: 10.1007/s00213-016-4496-2. Epub 2016 Dec 8.

Reference Type BACKGROUND
PMID: 27933367 (View on PubMed)

Guan L, Guo S, Yip J, Elkin KB, Li F, Peng C, Geng X, Ding Y. Artificial Hibernation by Phenothiazines: A Potential Neuroprotective Therapy Against Cerebral Inflammation in Stroke. Curr Neurovasc Res. 2019;16(3):232-240. doi: 10.2174/1567202616666190624122727.

Reference Type BACKGROUND
PMID: 31232236 (View on PubMed)

Guo S, Cosky E, Li F, Guan L, Ji Y, Wei W, Peng C, Geng X, Ding Y. An inhibitory and beneficial effect of chlorpromazine and promethazine (C + P) on hyperglycolysis through HIF-1alpha regulation in ischemic stroke. Brain Res. 2021 Jul 15;1763:147463. doi: 10.1016/j.brainres.2021.147463. Epub 2021 Apr 1.

Reference Type BACKGROUND
PMID: 33811844 (View on PubMed)

Guo S, Li F, Wills M, Yip J, Wehbe A, Peng C, Geng X, Ding Y. Chlorpromazine and Promethazine (C+P) Reduce Brain Injury after Ischemic Stroke through the PKC-delta/NOX/MnSOD Pathway. Mediators Inflamm. 2022 Jul 15;2022:6886752. doi: 10.1155/2022/6886752. eCollection 2022.

Reference Type BACKGROUND
PMID: 35873710 (View on PubMed)

Tong Y, Elkin KB, Peng C, Shen J, Li F, Guan L, Ji Y, Wei W, Geng X, Ding Y. Reduced Apoptotic Injury by Phenothiazine in Ischemic Stroke through the NOX-Akt/PKC Pathway. Brain Sci. 2019 Dec 15;9(12):378. doi: 10.3390/brainsci9120378.

Reference Type BACKGROUND
PMID: 31847503 (View on PubMed)

Jiang Q, Wills M, Geng X, Ding Y. Chlorpromazine and promethazine reduces Brain injury through RIP1-RIP3 regulated activation of NLRP3 inflammasome following ischemic stroke. Neurol Res. 2021 Aug;43(8):668-676. doi: 10.1080/01616412.2021.1910904. Epub 2021 Apr 8.

Reference Type BACKGROUND
PMID: 33829970 (View on PubMed)

Han Y, Geng XK, Lee H, Li F, Ding Y. Neuroprotective Effects of Early Hypothermia Induced by Phenothiazines and DHC in Ischemic Stroke. Evid Based Complement Alternat Med. 2021 Jan 18;2021:1207092. doi: 10.1155/2021/1207092. eCollection 2021.

Reference Type BACKGROUND
PMID: 33531913 (View on PubMed)

Lv S, Zhao W, Rajah GB, Dandu C, Cai L, Cheng Z, Duan H, Dai Q, Geng X, Ding Y. Rapid Intervention of Chlorpromazine and Promethazine for Hibernation-Like Effect in Stroke: Rationale, Design, and Protocol for a Prospective Randomized Controlled Trial. Front Neurol. 2021 Mar 17;12:621476. doi: 10.3389/fneur.2021.621476. eCollection 2021.

Reference Type BACKGROUND
PMID: 33815250 (View on PubMed)

Seners P, Yuen N, Mlynash M, Snyder SJ, Heit JJ, Lansberg MG, Christensen S, Albucher JF, Cognard C, Sibon I, Obadia M, Savatovsky J, Baron JC, Olivot JM, Albers GW; Mismatch Prevalence Investigators. Quantification of Penumbral Volume in Association With Time From Stroke Onset in Acute Ischemic Stroke With Large Vessel Occlusion. JAMA Neurol. 2023 May 1;80(5):523-528. doi: 10.1001/jamaneurol.2023.0265.

Reference Type BACKGROUND
PMID: 36939736 (View on PubMed)

Other Identifiers

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CHILL-1

Identifier Type: -

Identifier Source: org_study_id