- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02737189
Basilar Artery Occlusion Chinese Endovascular Trial
Randomized Trial of Revascularization With Solitaire Stentriever Versus Best Medical Therapy in the Treatment of Acute Ischemic Stroke Due to Basilar Artery Occlusion Presenting Within 6-24 Hours of Symptom Onset
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Objective: To evaluate the hypothesis that mechanical embolectomy with the Solitaire device is superior to medical management alone in achieving favourable outcomes defined as modified Rankin score (mRS) 0-3 at 90 days in subjects presenting with ischemic stroke due to basilar artery occlusion up to 24 hours from symptom onset.
Subject Population: Subjects presenting with acute ischemic stroke within 6-24 hours from symptom onset/last seen well and whose strokes are attributable to an occlusion of the basilar artery. Subjects are either ineligible for IV alteplase or have received IV alteplase therapy without recanalization. The randomization employs a 1:1 ratio of mechanical embolectomy with Solitaire stentriever in conjunction with manual aspiration versus medical management alone. Randomization will be done under a stratification process using age, baseline National Institute of Health Stroke Scale (NIHSS) and therapeutic window. For the primary endpoint, subjects will be followed for 90 days post-randomization.Sample size is projected to be 318 patients.
Care providers: Vascular neurologists and trained interventional neuroradiologists or neurologists in certified comprehensive stroke centers that treat more than 500 acute stroke patients and perform more than 30 acute mechanical thrombectomies every year will treat patients. Neurointerventionalists have to have previously performed at least 10 thrombectomies with Solitaire device in acute ischemic stroke patients.
Interventions: Patients in both arms will be admitted at acute stroke units (or Intensive Care Unit if needed) and treated following the Chinese Guidelines for the Early Management of Patients With Acute Ischemic Stroke. Concomitant medications and non-pharmacological therapies will be recorded. If a decision of stopping support life measures is adopted, this will be recorded in the Case Report Form (CRF).A maximum of six attempts to retrieve the thrombus in a single vessel can be made with any Solitaire device or aspiration. In case an atherosclerotic lesion is found underlying the occlusive lesion angioplasty/stenting through detachment of the Solitaire device will be allowed.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Baotou, China
- Baotou Central Hospital
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Beijing, China
- Xuanwu Hospital
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Beijing, China
- Beijing Luhe Hospital
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Beijing, China
- Beijing Tiantan Hospital
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Beijing, China
- The Military General Hospital of Beijing, PLA
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Changzhou, China
- The First People's Hospital of Changzhou
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Chongqing, China
- Xinqiao Hospital of Chongqing
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Chongqing, China
- Chongqing Three Gorges Central Hospital
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Dongying, China
- Shengli Oilfield Hospital
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Guiyang, China
- The Affiliated Hospital of Guizhou Medical University
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Jilin, China
- First Hospital of Jilin University
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Liaocheng, China
- Liaocheng Third People's Hospital
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Linyi, China
- Linyi People's Hospital
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Luoyang, China
- Luoyang Central Hospital
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Nanjing, China
- Nanjing First People's Hospital
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Nanjing, China
- The First Affiliated Hospital with Nanjing Medical University
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Nanning, China
- Nanning Second People's Hospital
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Nantong, China
- Nantong University
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Nanyang, China
- Nanyang Central Hospital
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Shanghai, China
- Changhai Hospital
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Shenzhen, China
- Shenzhen Bao'an District People's Hospital
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Shijiazhuang, China
- Hebei General Hospital
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Suzhou, China
- Second Affiliated Hospital of Soochow University
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Taiyuan, China
- PLA 264 Hospital
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Taiyuan, China
- The First Affiliated Hospital of Shanxi Medical University
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Tianjin, China
- Tianjin TEDA Hospital
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Tianjin, China
- Peking University BinHai Hospital
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Tianjin, China
- The Fifth Central Hospital of Tianjin
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Tianjin, China
- Tianjin Huanhu Hospital
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Wuxi, China
- The 101st Hospital of Chinese People's Liberation Army
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Xi'an, China
- The Affiliated Hospital of Northwest University, Xi'an NO.3 Hospital
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Yangzhou, China
- Subei People's Hospital of Jiangsu province
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Yantai, China
- Yantaishan Hospital
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Zhangzhou, China
- Zhangzhou Municipal Hospital of Fujian Province
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Zhengzhou, China
- Henan Provincial Hospital
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Zibo, China
- PLA 148 Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Posterior circulation AIS within 6-24 hours from symptom onset/last seen well where patient is ineligible for i.v. thrombolytic treatment, or patient has received i.v. thrombolytic therapy without recanalization.
- Occlusion (Thrombolysis in Myocardial Infarction, TIMI 0-1) of the basilar artery or intracranial segments of both vertebral arteries as evidenced by computed tomography (CT) angiography, magnetic resonance (MR) angiography or angiogram.
- Age ≥18 and ≤80 years.
- Baseline National Institutes of Health Stroke Scale (NIHSS) score obtained prior to randomization must be equal to or higher than 6 points.
- No significant pre-stroke functional disability (modified Rankin Scale, mRS ≤ 1).
- Patient treatable within 24 hours from time last seen well. Isolated vertigo with nausea and/or vomiting is not considered onset of symptom.
- Informed consent obtained from patient or acceptable patient surrogate.
Exclusion criteria
General Exclusion Criteria:
- Known hemorrhagic diathesis, coagulation factor deficiency, or oral anticoagulant therapy with international normalized ratio > 3.0.
- Baseline platelet count < 50.000/µL.
- Baseline blood glucose < 50mg/dL or > 400mg/dL.
- Severe, sustained hypertension (systolic blood pressure > 220 mm Hg or diastolic blood pressure > 110 mm Hg).
- Patients in sedation and/or intubated patients could not be included if baseline NIHSS is not obtained by a neurologist or emergency physician prior to sedation or intubation.
- Seizures at stroke onset which would preclude obtaining a baseline NIHSS.
- Serious, advanced, or terminal illness with anticipated life expectancy of less than one year.
- History of life threatening allergy (more than rash) to contrast medium
- Subjects who has received i.v. tissue plasminogen activator (t-PA) treatment beyond 4.5 hours from the beginning of the symptoms.
- Patients with acute stroke within the first 48 hours after percutaneous cardiac, cerebrovascular interventions and major surgery (beyond 48h they should be randomized in BAOCHE or excluded for endovascular treatment if poor medical conditions).
- Renal insufficiency with creatinine ≥ 3 mg/dl.
- Woman of childbearing potential who is known to be pregnant or lactating or who has a positive pregnancy test on admission.
- Subject participating in a study involving an investigational drug or device that would impact this study.
- Cerebral vasculitis.
- Patients with a pre-existing neurological or psychiatric disease that would confound the neurological or functional evaluations; mRS score at baseline must be ≤ 1.
- Unlikely to be available for 90 days follow-up.
Neuroimaging Exclusion Criteria:
- Hypodensity amounting to a posterior circulation Acute Stroke Prognosis Early CT score (pc-ASPECTS) < 6 and Pons-midbrain-index of ≥ 3 on CT angiography source images or MR with diffusion-weighted imaging or NCCT.
- CT or MR evidence of hemorrhage (the presence of microbleeds on MRI is allowed).
- Complete cerebellar infarct on CT or MRI with significant mass effect and compression of the fourth ventricle.
- Complete unilateral or bilateral thalamic infarction on CT or MRI
- Evidence of vertebral occlusion, high grade stenosis or arterial dissection in the extracranial or intracranial segment that cannot be treated or will prevent access to the intracranial clot or excessive tortuosity of cervical vessels precluding device delivery/deployment.
- Subjects with occlusions in both anterior and posterior circulation.
- Evidence of intracranial tumor (except small meningioma).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Endovascular Arm
Mechanical embolectomy with Solitaire stentriever in conjunction with manual aspiration Best Medical Treatment and maximum supportive care |
Mechanical embolectomy with Solitaire stentriever in conjunction with manual aspiration
Best Medical Treatment and maximum supportive care, not including mechanical thrombectomy, no intra arterial treatment
|
Other: Control Arm
Best Medical Treatment and maximum supportive care, not including mechanical thrombectomy, no intra arterial treatment
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Best Medical Treatment and maximum supportive care, not including mechanical thrombectomy, no intra arterial treatment
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
proportion of patients achieving favourable outcomes defined as mRS 0-3 at 90 days
Time Frame: 90 days
|
The primary objective of this study is to evaluate the hypothesis that mechanical embolectomy with the Solitaire device is superior to medical management alone in achieving favourable outcomes (mRS ≤ 3) at 90 days in subjects presenting with an acute ischemic stroke caused by occlusion of the basilar artery within 6-24 hours from symptom onset.
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90 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Dramatic early favorable response
Time Frame: 24 (-2/+12) hours
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Dramatic early favorable response as determined by an National Institute of Health stroke scale (NIHSS) of 0-2 or NIHSS improvement ≥ 8 points at 24 (-2/+12) hours.
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24 (-2/+12) hours
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Dichotomized mRS score (0-2 versus 3-6 and 0-4 versus 5-6 )
Time Frame: 90 days
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90 days
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Proportion of patients achieving meaningful outcomes defined as mRS 0-4 at 12 months.
Time Frame: 12 months
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12 months
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Final infarct volume and the change of infarct volume compared with baseline
Time Frame: 24 hours (-2/+12 hours)
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Infarct volume evaluated on Computed Tomography (CT) or Magnetic Resonance (MR) at 24 hours (-2/+12 hours)
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24 hours (-2/+12 hours)
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Vessel recanalization with Arterial Occlusive Lesion (AOL) grades
Time Frame: 24 hours (-2/+12 hours)
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Vessel recanalization at 24 hours (-2/+12 hours) in both treatment groups assessed by using Arterial Occlusive Lesion (AOL) grades
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24 hours (-2/+12 hours)
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Modified Rankin Score (mRS)
Time Frame: 90 days
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90 days
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Barthel Index
Time Frame: 90 days
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90 days
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NIHSS
Time Frame: 90 days
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90 days
|
|
Quality of life analysis
Time Frame: 3 month, 6 months and 1 year
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Quality of life analysis as measured by EuroQol/EQ5D and SF-36 at 3 month, 6 months and 1 year, between interventional therapy vs medical therapy alone
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3 month, 6 months and 1 year
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Mortality
Time Frame: at 90 days
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at 90 days
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Symptomatic intracranial hemorrhage (SICH)
Time Frame: 24 (-2/+12) hours
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24 (-2/+12) hours
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Serious Adverse Events
Time Frame: 1 year
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1 year
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Montreal Cognition Test (MOCA)
Time Frame: 90 days
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90 days
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Immediate Post-Endovascular Treatment Recanalization (for the Solitaire arm only)
Time Frame: Immediate Post-Endovascular Treatment
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Successful recanalization is defined as TICI (Thrombolysis in Cerebral Infarction) 2b or 3 in the post-procedure angiography.
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Immediate Post-Endovascular Treatment
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Procedural related complications
Time Frame: Perioperative period
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arterial perforation, arterial dissection, embolization in a previously uninvolved vascular territory and so on.
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Perioperative period
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Xunming Ji, MD, Xuanwu Hospital, Beijing
- Principal Investigator: Tudor G Jovin, MD, University of Pittsburg Medical Center Stroke
Publications and helpful links
General Publications
- Hankey GJ. Endovascular Therapy for Acute Basilar Artery Occlusion. Circulation. 2022 Jul 5;146(1):18-20. doi: 10.1161/CIRCULATIONAHA.122.060571. Epub 2022 Jul 5. No abstract available.
- Feigin VL, Forouzanfar MH, Krishnamurthi R, Mensah GA, Connor M, Bennett DA, Moran AE, Sacco RL, Anderson L, Truelsen T, O'Donnell M, Venketasubramanian N, Barker-Collo S, Lawes CM, Wang W, Shinohara Y, Witt E, Ezzati M, Naghavi M, Murray C; Global Burden of Diseases, Injuries, and Risk Factors Study 2010 (GBD 2010) and the GBD Stroke Experts Group. Global and regional burden of stroke during 1990-2010: findings from the Global Burden of Disease Study 2010. Lancet. 2014 Jan 18;383(9913):245-54. doi: 10.1016/s0140-6736(13)61953-4. Erratum In: Lancet. 2014 Jan 18;383(9913):218.
- Hacke W, Kaste M, Fieschi C, von Kummer R, Davalos A, Meier D, Larrue V, Bluhmki E, Davis S, Donnan G, Schneider D, Diez-Tejedor E, Trouillas P. Randomised double-blind placebo-controlled trial of thrombolytic therapy with intravenous alteplase in acute ischaemic stroke (ECASS II). Second European-Australasian Acute Stroke Study Investigators. Lancet. 1998 Oct 17;352(9136):1245-51. doi: 10.1016/s0140-6736(98)08020-9.
- Liu L, Wang D, Wong KS, Wang Y. Stroke and stroke care in China: huge burden, significant workload, and a national priority. Stroke. 2011 Dec;42(12):3651-4. doi: 10.1161/STROKEAHA.111.635755. Epub 2011 Nov 3.
- Zhou M, Wang H, Zhu J, Chen W, Wang L, Liu S, Li Y, Wang L, Liu Y, Yin P, Liu J, Yu S, Tan F, Barber RM, Coates MM, Dicker D, Fraser M, Gonzalez-Medina D, Hamavid H, Hao Y, Hu G, Jiang G, Kan H, Lopez AD, Phillips MR, She J, Vos T, Wan X, Xu G, Yan LL, Yu C, Zhao Y, Zheng Y, Zou X, Naghavi M, Wang Y, Murray CJ, Yang G, Liang X. Cause-specific mortality for 240 causes in China during 1990-2013: a systematic subnational analysis for the Global Burden of Disease Study 2013. Lancet. 2016 Jan 16;387(10015):251-72. doi: 10.1016/S0140-6736(15)00551-6. Epub 2015 Oct 26.
- Yang G, Wang Y, Zeng Y, Gao GF, Liang X, Zhou M, Wan X, Yu S, Jiang Y, Naghavi M, Vos T, Wang H, Lopez AD, Murray CJ. Rapid health transition in China, 1990-2010: findings from the Global Burden of Disease Study 2010. Lancet. 2013 Jun 8;381(9882):1987-2015. doi: 10.1016/S0140-6736(13)61097-1.
- Lindsberg PJ, Pekkola J, Strbian D, Sairanen T, Mattle HP, Schroth G. Time window for recanalization in basilar artery occlusion: Speculative synthesis. Neurology. 2015 Nov 17;85(20):1806-15. doi: 10.1212/WNL.0000000000002129.
- Palaniswami M, Yan B. Mechanical Thrombectomy Is Now the Gold Standard for Acute Ischemic Stroke: Implications for Routine Clinical Practice. Interv Neurol. 2015 Oct;4(1-2):18-29. doi: 10.1159/000438774. Epub 2015 Sep 18.
- Powers WJ, Derdeyn CP, Biller J, Coffey CS, Hoh BL, Jauch EC, Johnston KC, Johnston SC, Khalessi AA, Kidwell CS, Meschia JF, Ovbiagele B, Yavagal DR; American Heart Association Stroke Council. 2015 American Heart Association/American Stroke Association Focused Update of the 2013 Guidelines for the Early Management of Patients With Acute Ischemic Stroke Regarding Endovascular Treatment: A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association. Stroke. 2015 Oct;46(10):3020-35. doi: 10.1161/STR.0000000000000074. Epub 2015 Jun 29.
- Chen CJ, Ding D, Starke RM, Mehndiratta P, Crowley RW, Liu KC, Southerland AM, Worrall BB. Endovascular vs medical management of acute ischemic stroke. Neurology. 2015 Dec 1;85(22):1980-90. doi: 10.1212/WNL.0000000000002176. Epub 2015 Nov 4.
- Macleod MR, Davis SM, Mitchell PJ, Gerraty RP, Fitt G, Hankey GJ, Stewart-Wynne EG, Rosen D, McNeil JJ, Bladin CF, Chambers BR, Herkes GK, Young D, Donnan GA. Results of a multicentre, randomised controlled trial of intra-arterial urokinase in the treatment of acute posterior circulation ischaemic stroke. Cerebrovasc Dis. 2005;20(1):12-7. doi: 10.1159/000086121. Epub 2005 May 30.
- Yeung JT, Matouk CC, Bulsara KR, Sheth KN. Endovascular revascularization for basilar artery occlusion. Interv Neurol. 2015 Jan;3(1):31-40. doi: 10.1159/000368968.
- Punal-Rioboo J, Atienza G, Blanco M. Safety and Efficacy of Mechanical Thrombectomy Using Stent Retrievers in the Endovascular Treatment of Acute Ischaemic Stroke: A Systematic Review. Interv Neurol. 2015 Jul;3(3-4):149-64. doi: 10.1159/000430474.
- Akins PT, Amar AP, Pakbaz RS, Fields JD; SWIFT Investigators. Complications of endovascular treatment for acute stroke in the SWIFT trial with solitaire and Merci devices. AJNR Am J Neuroradiol. 2014 Mar;35(3):524-8. doi: 10.3174/ajnr.A3707. Epub 2013 Sep 12.
- Hann S, Chalouhi N, Starke R, Gandhe A, Koltz M, Theofanis T, Jabbour P, Gonzalez LF, Rosenwasser R, Tjoumakaris S. Comparison of neurologic and radiographic outcomes with Solitaire versus Merci/Penumbra systems for acute stroke intervention. Biomed Res Int. 2013;2013:715170. doi: 10.1155/2013/715170. Epub 2013 Dec 30.
- von Kummer R, Broderick JP, Campbell BC, Demchuk A, Goyal M, Hill MD, Treurniet KM, Majoie CB, Marquering HA, Mazya MV, San Roman L, Saver JL, Strbian D, Whiteley W, Hacke W. The Heidelberg Bleeding Classification: Classification of Bleeding Events After Ischemic Stroke and Reperfusion Therapy. Stroke. 2015 Oct;46(10):2981-6. doi: 10.1161/STROKEAHA.115.010049. Epub 2015 Sep 1. No abstract available.
- Wahlgren N, Ahmed N, Davalos A, Ford GA, Grond M, Hacke W, Hennerici MG, Kaste M, Kuelkens S, Larrue V, Lees KR, Roine RO, Soinne L, Toni D, Vanhooren G; SITS-MOST investigators. Thrombolysis with alteplase for acute ischaemic stroke in the Safe Implementation of Thrombolysis in Stroke-Monitoring Study (SITS-MOST): an observational study. Lancet. 2007 Jan 27;369(9558):275-82. doi: 10.1016/S0140-6736(07)60149-4. Erratum In: Lancet. 2007 Mar 10;369(9564):826.
- Puetz V, Sylaja PN, Coutts SB, Hill MD, Dzialowski I, Mueller P, Becker U, Urban G, O'Reilly C, Barber PA, Sharma P, Goyal M, Gahn G, von Kummer R, Demchuk AM. Extent of hypoattenuation on CT angiography source images predicts functional outcome in patients with basilar artery occlusion. Stroke. 2008 Sep;39(9):2485-90. doi: 10.1161/STROKEAHA.107.511162. Epub 2008 Jul 10.
- Tomsick T, Broderick J, Carrozella J, Khatri P, Hill M, Palesch Y, Khoury J; Interventional Management of Stroke II Investigators. Revascularization results in the Interventional Management of Stroke II trial. AJNR Am J Neuroradiol. 2008 Mar;29(3):582-7. doi: 10.3174/ajnr.A0843.
- Higashida RT, Furlan AJ, Roberts H, Tomsick T, Connors B, Barr J, Dillon W, Warach S, Broderick J, Tilley B, Sacks D; Technology Assessment Committee of the American Society of Interventional and Therapeutic Neuroradiology; Technology Assessment Committee of the Society of Interventional Radiology. Trial design and reporting standards for intra-arterial cerebral thrombolysis for acute ischemic stroke. Stroke. 2003 Aug;34(8):e109-37. doi: 10.1161/01.STR.0000082721.62796.09. Epub 2003 Jul 17. Erratum In: Stroke. 2003 Nov;34(11):2774.
- Liu X, Dai Q, Ye R, Zi W, Liu Y, Wang H, Zhu W, Ma M, Yin Q, Li M, Fan X, Sun W, Han Y, Lv Q, Liu R, Yang D, Shi Z, Zheng D, Deng X, Wan Y, Wang Z, Geng Y, Chen X, Zhou Z, Liao G, Jin P, Liu Y, Liu X, Zhang M, Zhou F, Shi H, Zhang Y, Guo F, Yin C, Niu G, Zhang M, Cai X, Zhu Q, Chen Z, Liang Y, Li B, Lin M, Wang W, Xu H, Fu X, Liu W, Tian X, Gong Z, Shi H, Wang C, Lv P, Tao Z, Zhu L, Yang S, Hu W, Jiang P, Liebeskind DS, Pereira VM, Leung T, Yan B, Davis S, Xu G, Nogueira RG; BEST Trial Investigators. Endovascular treatment versus standard medical treatment for vertebrobasilar artery occlusion (BEST): an open-label, randomised controlled trial. Lancet Neurol. 2020 Feb;19(2):115-122. doi: 10.1016/S1474-4422(19)30395-3. Epub 2019 Dec 9.
- Writing Group for the BASILAR Group, Zi W, Qiu Z, Wu D, Li F, Liu H, Liu W, Huang W, Shi Z, Bai Y, Liu Z, Wang L, Yang S, Pu J, Wen C, Wang S, Zhu Q, Chen W, Yin C, Lin M, Qi L, Zhong Y, Wang Z, Wu W, Chen H, Yao X, Xiong F, Zeng G, Zhou Z, Wu Z, Wan Y, Peng H, Li B, Hu X, Wen H, Zhong W, Wang L, Jin P, Guo F, Han J, Fu X, Ai Z, Tian X, Feng X, Sun B, Huang Z, Li W, Zhou P, Tu M, Sun X, Li H, He W, Qiu T, Yuan Z, Yue C, Yang J, Luo W, Gong Z, Shuai J, Nogueira RG, Yang Q. Assessment of Endovascular Treatment for Acute Basilar Artery Occlusion via a Nationwide Prospective Registry. JAMA Neurol. 2020 May 1;77(5):561-573. doi: 10.1001/jamaneurol.2020.0156.
- Jovin TG, Li C, Wu L, Wu C, Chen J, Jiang C, Shi Z, Gao Z, Song C, Chen W, Peng Y, Yao C, Wei M, Li T, Wei L, Xiao G, Yang H, Ren M, Duan J, Liu X, Yang Q, Liu Y, Zhu Q, Shi W, Zhu Q, Li X, Guo Z, Yang Q, Hou C, Zhao W, Ma Q, Zhang Y, Jiao L, Zhang H, Liebeskind DS, Liang H, Jadhav AP, Wen C, Brown S, Zhu L, Ye H, Ribo M, Chang M, Song H, Chen J, Ji X; BAOCHE Investigators. Trial of Thrombectomy 6 to 24 Hours after Stroke Due to Basilar-Artery Occlusion. N Engl J Med. 2022 Oct 13;387(15):1373-1384. doi: 10.1056/NEJMoa2207576.
- Li C, Wu C, Wu L, Zhao W, Chen J, Ren M, Yao C, Yan X, Dong C, Song H, Ma Q, Duan J, Zhang Y, Zhang H, Jiao L, Wang Y, Jovin TG, Ji X; BAOCHE Investigators. Basilar Artery Occlusion Chinese Endovascular Trial: Protocol for a prospective randomized controlled study. Int J Stroke. 2022 Jul;17(6):694-697. doi: 10.1177/17474930211040923. Epub 2021 Aug 28.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Xuanwu201601
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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