Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Prospective, Multi-center, Double-blind, Randomized, Placebo-controlled, Parallel-group Study to Assess the Efficacy and Safety of Clazosentan in Reducing Vasospasm-related Morbidity and All-cause Mortality in Adult Patients With Aneurysmal Subarachnoid Hemorrhage Treated by Endovascular Coiling.
Brief Summary: The aim of this study is to demonstrate that clazosentan, administered as a continuous intravenous infusion at either 5 mg/h or 15 mg/h until Day 14 post aneurysmal subarachnoid hemorrhage (aSAH), reduces the incidence of cerebral vasospasm-related morbidity and all-cause mortality within 6 weeks post-aSAH treated by endovascular coiling.

The primary endpoint of the study is the occurrence of cerebral vasospasm-related morbidity, and mortality of all-causes within 6 weeks post-aSAH, defined by at least one of the following:

1. Death (all causes).
2. New cerebral infarct(s) due to cerebral vasospasm as either the primary or relevant contributing cause, or not adjudicated to be entirely due to causes other than vasospasm.
3. Delayed ischemic neurological deficit (DIND) due to cerebral vasospasm as either the primary or relevant contributing cause, or not adjudicated to be entirely due to causes other than vasospasm.
4. Administration of a valid rescue therapy in the presence of confirmed cerebral vasospasm on angiography (DSA or CTA).

An independent Critical Events Committee (CEC) will adjudicate whether or not patients meet the primary endpoint and its individual morbidity components.


Options:
A: Inclusion Criteria:

* Patients with CT-confirmed spontaneous Intracerebral Haemorrhage (ICH)
* Elevated systolic blood pressure (\>150mmHg and \<220mmHg)
* Capacity to commence randomly assigned treatment within 6 hours of onset of ICH.
* Able to be 'actively' treated and admitted to a monitored facility

Exclusion Criteria:

* Clear indication or contraindication to intensive BP lowering.
* Evidence ICH secondary to a structural abnormality
* Use of thrombolytic agent
* Previous ischaemic stroke within 30 days
* A very high likelihood that the patient will die within the next 24 hours on the basis of clinical and/or radiological criteria
* Score of 3-5 on the Glasgow Coma Scale (indicating deep coma)
* Significant pre-stroke disability or advanced dementia
* Planned early neurological intervention
* Participation in another clinical trial.
* A high likelihood that the patient will not adhere to the study treatment and follow-up regimen.
B: Inclusion criteria for eligibility

1. Admission to one of the participating study centres.
2. Age 18 years or over.
3. SAH with an aneurysmatic bleeding pattern.

Exclusion criteria for eligibility

1. Evidence of DCI after the SAH, defined as any decrease in the level of consciousness or the development of new focal neurological deficits after the onset of the SAH that is not due to increasing hydrocephalus, rebleeding of the aneurysm, epileptic seizure, septic- or metabolic encephalopathy, unless symptoms of DCI started within 3 hours.
2. Co-existing severe head injury.
3. Perimesencephalic haemorrhage (perimesencephalic bleeding pattern and no aneurysm on CT-angiography).
4. A history of a ventricular cardiac rhythm disorder, necessitating medical treatment.
5. A history of a left ventricular heart failure, necessitating medical treatment.
6. Likely transfer to another hospital, not participating in the trial, soon after treatment for the aneurysm.
7. Moribund.
8. Pregnancy.

   And furthermore, in selected centres where the sub study with CT perfusion will be performed:
9. Known allergy for CT-contrast agents.
10. Renal failure, defined as a serum creatinine \> 150 µmol/l, because of the risk of contrast nephropathy.
11. Diabetes mellitus.

Inclusion criteria for trial participation

1. Informed consent to participate in the proposed trial when DCI will develop.
2. DCI based on a decrease of at least one point on the Glasgow Coma Scale sum score unless the decrease doesn't reflect DCI as evaluated by the treating physician, and/or the development of new focal neurological deficits, diagnosed by a neurologist, neurosurgeon or intensivist.

Exclusion criteria for trial participation:

1. Another cause for neurological deterioration including.
2. A symptomatic aneurysm not yet treated by coiling or clipping.
3. Severe hypertension, defined as a spontaneous MAP of 120 mmHg or more at the moment of evaluation for trial participation.
4. Any contraindication for induced hypertension (such as a cardiac complication necessitating medical treatment) as evaluated by the treating physician.

   And furthermore, in selected centres where the sub study with CT perfusion will be performed:
5. No CTP scan at time of neurological deterioration.
6. More than 3 CTP scans since admission.
C: Inclusion Criteria :

1. Males and females aged 18 to 75 years (inclusive).
2. Patients with a ruptured saccular aneurysm, confirmed by angiography (digital subtraction angiography \[DSA\] or computed tomography angiography \[CTA\], investigator's assessment), and which has been successfully\* secured by endovascular coiling. The time of aneurysm rupture must be known or possible to estimate with a reasonable degree of certainty.
3. World Federation of Neurological Surgeons (WFNS) grade I-IV measured prior to the endovascular coiling procedure, and which does not worsen to grade V post-procedure (based on regular Glasgow Coma Scale \[GCS\])
4. Patients with any thick clot (short axis \> or = 4 mm) on baseline CT scan (investigator's assessment).
5. Women of childbearing potential must have a negative serum pregnancy test and must use a reliable method of contraception during the 12 weeks following study drug discontinuation.
6. Written informed consent to participate in the study must be obtained from the patient or a legal representative prior to initiation of any study-mandated procedure and randomization.

Exclusion Criteria :

1. Subarachnoid hemorrhage (SAH) due to causes other than saccular aneurysm.
2. Giant aneurysms (height or width \> or = 25 mm).
3. Intraventricular or intracerebral blood, in absence of subarachnoid blood, or or with only a thin clot (short axis \< 4 mm)
4. Cerebral vasospasm on angiography (investigator's assessment) prior to endovascular coiling (intraprocedural cerebral vasospasm is not an exclusion criterion).
5. A major complication during the endovascular coiling procedure, such as massive intracranial bleeding, intracranial thromboembolism, coil migration, aneurysm perforation or rupture, arterial dissection, major arterial occlusion, a large territorial cerebral infarct defined as involving \> 1/3 of a vascular territory, or a new major neurological deficit post-procedure (e.g., hemiplegia or aphasia lasting \> or = 12 hours post-aneurysm coiling)\*.
6. Current ruptured aneurysm previously secured (successfully or not) by clipping.
7. Coiling material used, which has not been approved by local health authorities.
8. Use of liquid embolism aneurysmal treatment or flow diverting device.
9. Several aneurysms among which the ruptured one cannot be identified with certainty and which are not all secured during the coiling procedure.
10. No end-of-procedure DSA.
11. Another securing procedure planned for any aneurysm between randomization and Week 12 post-aSAH.
12. Study drug start \>56 hours after the aneurysm rupture.
13. Known, at time of screening, that certain follow-up, or protocol-mandated imaging assessments will not be feasible.
14. Hypotension (systolic blood pressure \< or = 90 mmHg) refractory to treatment.
15. Aspiration pneumonia.
16. Pulmonary edema or severe cardiac failure requiring inotropic support at time of randomization.
17. Any severe or unstable concomitant condition or disease (e.g., known significant neurological deficit, cancer, hematological, coronary disease, psychiatric disorder), which would affect assessment of the safety or efficacy of the study drug (investigator's opinion).
18. Significant kidney disease defined by plasma creatinine \> or = 2.5 mg/dL (221 micromol/l) and/or liver disease defined by total bilirubin \> 2-fold Upper Limit of Normal as measured at local laboratory, and/or known diagnosis or clinical suspicion of liver cirrhosis.
19. Infusion of i.v. nimodipine or i.v. nicardipine must have these drugs discontinued at least 4 hours prior to initiation of study treatment.
20. Infusion of i.v. fasudil within 24-hour period preceding planned start of study drug initiation.
21. Start of statins less than 2 weeks prior to admission must have them discontinued prior to study drug initiation.
22. Infusion of cyclosporin A or other calcineurin inhibitors (e.g., tacrolimus), or patients for whom it is known at the time of randomization that these medications will be started during the study drug infusion period.
23. Intake of an investigational product including investigational coil material within 28 days prior to randomization or those who have already participated in current study or CONSCIOUS-2 (AC-054-301).
24. Unlikely event to comply with protocol (e.g., unable to return for follow-up visits).
25. Known hypersensitivity to other endothelin receptor antagonists.26.current alcohol or drug abuse/dependence.

    * "Large territorial infarct" refers to infarcts detected during the endovascular coiling procedure or immediately post-procedure (i.e., CT performed for suspicion of cerebral infarct or other complication). This does not imply having to wait 24-48 hours post-procedure to perform the protocol-mandated CT scan in order to randomize a patient. Evaluation for a new major neurological deficit post-procedure implies reversal of sedation and performance of a GCS examination (verbal scores in intubated patients may be extrapolated from the eye-opening and motor scores using predefined values). If a new major neurological deficit does not improve within 12 hours after the coiling procedure, the patient cannot be included.
D: Inclusion Criteria:

* Age 18 years or older
* IV nicardipine can be initiated within 4.5 hours of symptom onset.
* Clinical signs consistent with the diagnosis of stroke, including impairment of language, motor function, cognition, and/or gaze, vision, or neglect.
* Total Glasgow Coma Scale (GCS) score (aggregate of verbal, eye, and motor response scores) of 5 or greater at time of emergency department (ED) arrival.
* International normalized ratio (INR) value \< 1.5
* CT scan demonstrates intraparenchymal hematoma with manual hematoma volume measurement \<60 cc.
* For subjects randomized prior to IV antihypertensive administration: SBP greater than 180 mmHg\* prior to IV antihypertensive treatment (this includes pre-hospital treatment) AND WITHOUT spontaneous SBP reduction to below 180 mmHg at the time of randomization OR
* For subjects randomized after IV antihypertensive administration: SBP greater than 180 mmHg\* prior to IV antihypertensive treatment (this includes pre-hospital treatment) AND WITHOUT SBP reduction to below 140 mmHg at the time of randomization.
* Informed consent obtained by subject, legally authorized representative, or next of kin.

  * Notes: The unit "mmHg" stands for "millimeters of mercury", a standard way of measuring blood pressure. Patients with SBP \< 180 mmHg should be monitored for 4.5 hours from symptom onset as their SBP may rise to eligible levels before the eligibility window closes.

Exclusion Criteria:

* ICH is due to previously known neoplasms, arteriovenous malformation (AVM), or aneurysms.
* Intracerebral hematoma considered to be related to trauma.
* ICH located in infratentorial regions such as pons or cerebellum.
* Intraventricular hemorrhage (IVH) associated with intraparenchymal hemorrhage and blood completely fills one lateral ventricle or more than half of both ventricles.
* Patient to receive immediate surgical evacuation.
* Current pregnancy, or parturition within previous 30 days, or active lactation.
* Use of dabigatran within the last 48 hours\*\*.
* A platelet count less than 50,000 per microliter (µL or mm3)
* Known sensitivity to nicardipine.
* Pre-morbid disability requiring assistance in ambulation or activities of daily living.
* Subject's living will precludes aggressive ICU management.
* Subject is currently participating in another interventional clinical trial

  * Use of dabigatran was clarified through investigator presentations, educational materials, and clinical tools to include newer similar class medications (such as rivaroxaban, apixaban, and edoxaban) that were being developed and in various stages of approval across enrolling countries through the course of this trial, in the event that patients using these medications may have been encountered during screening.

Answer: C