Induced Suppression of Platelets Activity in Aneurysmal SAH Management (iSPASM)

Participants will have intravenous Aggrastat administered continuously over the course of 7 days in the setting of subarachnoid hemorrhage at least 12 hours post clinically indicated Endovascular Coil Embolization procedure.

Participants will undergo 2 MRIs administered within 24 hours post Coil Embolization procedure and prior to discharge to monitor for ischemic changes.

Neurological exams will be done at screening, randomization, days 2-7, discharge, 6 week, 6 month, and one year follow up visits.

Quality of Life in Brain Injury - Overall Scale (QOLIBRI-OS) and the Lawton Instrumental Activities of Daily Living (IADL) will be administered at 6 month and 1 year follow up visits.

Vital signs which include temperature, respiration rate, blood pressure and O2 stats will be done at screening, randomization, days 2-7, discharge, 6 week, 6 month, and one year follow up visits.

Participants will receive standard of care treatment and will not receive study drug.