Please select the eligibility criteria that correspond to the clinical trial below.
Title: Randomized, Double-Blind, Placebo-Controlled Trial Comparing Opioid-Sparing and Opioid-Containing Analgesia Regimens Following Trans-sphenoidal Surgery for Pituitary Tumors
Brief Summary: A randomized, double-blind, placebo-controlled intervention trial involving 100 treated subjects undergoing endonasal trans-sphenoidal (ENTS) resection of pituitary lesion. Subjects will be randomized into two groups: 50 treated in the opioid-sparing arm and 50 treated in the standard post-operative medication arm.


Options:
A: Inclusion Criteria:

* Adult patient undergoing ENTS surgery for resection of pituitary tumor.
* Adults \>18 years and \<80 years of age.
* English speaking and literate or able to understand the use of a pain scale.
* Body Mass Index \>19 and \<40 kg/m2

Exclusion Criteria:

* Renal failure (acute or chronic) or creatinine \>2.0
* Allergy or intolerance to acetaminophen, ibuprofen, or opioids
* Pre-operative opioid tolerance, dependence, or abuse
* Anaphylaxis to opioids
* History of peptic ulcer disease or recent gastrointestinal bleed requiring surgery
* Cirrhosis, hepatitis, liver transplant, or liver function studies out of normal range, defined as aspartate aminotransferase (AST)/alanine aminotransferase (ALT)/bilirubin\> 3x upper limit of normal range
* Subject unwilling or unable to sign informed consent for the study
* Pregnancy
* Incarcerated patients
B: Inclusion Criteria:

* \> 45 kg (amenable to adult dosing)
* all traumatic brain injuries NPO for at least 12 hours
* all post-operative craniotomy patients
* all non-operative subarachnoid hemorrhage, intraparenchymal hemorrhage, and stroke patients
* all carotid endarterectomy and carotid artery stenosis patients
* all endovascular patients undergoing intracranial intervention
* all post-op spine patients admitted to the NCCU

Exclusion Criteria:

* documented allergy to acetaminophen
* documented severe hepatic impairment (Child-Pugh score \> 6) or severe hepatic disease (hepatitis)
* documented severe renal impairment (CrCl \< 30 ml/min) Blood tests will be performed prior to study procedures that will ensure patients do not have renal impairment.
* patients who are pregnant or breast feeding
C: Inclusion Criteria:

1. Patients having elective craniotomy for clipping of unruptured intracranial aneurysm
2. Patients having craniotomy and microvascular decompression for cranial nerve neuralgia
3. Age 18-80
4. ASA I -III

Exclusion Criteria:

1. Patients with a known history of hypersensitivity to Sumatriptan or sulphonamides
2. Patients with a known history of Migraine
3. Patients who is on regular treatment with Sumatriptan
4. Patients with history of Ischemic heart disease - Angina, Myocardial infarction.
5. Patients who had rupture of their intracranial aneurysm.
6. Patients with history of severe liver disease.
7. Patients with history of stroke or uncontrolled hypertension
8. Inability to give informed consent
9. Pregnant patient
D: Inclusion Criteria:

* Diagnosis of supratentorial neoplasms

Exclusion Criteria:

* Neurological disorders hindering the communication, aphasia, Glasgow Coma Score (GCS) less than 15, drug or alcohol addiction, chronic pain, raised intracranial pressure, allergies to any of the drugs used in this study, hepatic or renal dysfunction, peptic ulcer disease, dementia.

Answer: A