Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase 2 Multicenter, Randomized, Double-blind, Parallel-group, Active-control, Dose-ranging Study to Evaluate the Safety and Efficacy of a Single Administration of SKY0402 for Prolonged Postoperative Analgesia in Subject Undergoing Hemorrhoidectomy
Brief Summary: Phase 2 study to evaluate three dose levels of SKY0402 compared with 75 mg of bupivacaine HCl.


Options:
A: Inclusion Criteria:

1. Male or female, 18 years of age and older at the Screening Visit.
2. Applies to female subjects only: Postmenopausal, surgically sterile, or willing to use acceptable means of contraception for at least 30 days after surgery including any of the following: hormonal contraceptives (e.g., oral, injectable, implantable starting at least 30 days before study drug administration), effective double-barrier methods (e.g., condoms with spermicide), intrauterine device, lifestyle with a personal choice of abstinence, nonheterosexual lifestyle, or a strictly monogamous relationship with a partner who has had a vasectomy.
3. Scheduled to undergo 2- or 3-column excisional hemorrhoidectomy under general anesthesia using Milligan Morgan or Ferguson-type techniques, including modified approaches with specialized instruments, such as LigaSure™ or harmonic scalpel, with a cumulative incision length of a minimum 3 cm.
4. American Society of Anesthesiology (ASA) Physical Class 1-3.
5. Able and willing to comply with all study visits and procedures.
6. Able to speak, read, and understand the language of the Informed Consent Form (ICF), study questionnaires, and other instruments used for collecting subject-reported outcomes, in order to enable accurate and appropriate responses to pain scales and other required study assessments.
7. Willing and capable of providing written informed consent.

Exclusion Criteria:

1. Pregnancy, nursing, or planning to become pregnant during the study or within one month after study drug administration.
2. Use of any of the following medications within the times specified before surgery:

   * Long-acting opioid medication within 3 days.
   * Any opioid medication within 24 hours.
3. Concurrent painful physical condition that may require analgesic treatment in the postoperative period for pain that is not surgically related and may confound the postoperative assessments (e.g., rheumatoid arthritis, chronic neuropathic pain).
4. Single-column hemorrhoidectomy or hemorrhoidectomy without an internal component.
5. Body weight less than 50 kilograms (110 pounds).
6. History of hypersensitivity or idiosyncratic reactions to amide-type local anesthetics or to opioid medication.
7. Contraindication to epinephrine, such as concurrent administration of monoamine oxidase (MAO) inhibitors or antidepressants of amitriptyline or imipramine types, conditions where the production or exacerbation of tachycardia could prove fatal (e.g., poorly controlled thyrotoxicosis or severe heart disease), or any other pathological conditions that might be aggravated by the effects of epinephrine.
8. Contraindications to any of the pain-control agents planned for postoperative use (e.g., acetaminophen \[paracetamol\], oxycodone, morphine, ketorolac).
9. Administration of an investigational drug within 30 days or 5 elimination half-lives of such investigational drug, whichever is longer, prior to study drug administration, or planned administration of another investigational product or procedure during the subject's participation in this study.
10. History of, suspected, or known addiction to or abuse of illicit drug(s), prescription medicine(s), or alcohol within the past 2 years.
11. Uncontrolled anxiety, schizophrenia, or other psychiatric disorder that, in the opinion of the Investigator, may interfere with study assessments or compliance.
12. Significant medical conditions or laboratory results that, in the opinion of the Investigator, indicate an increased vulnerability to study drugs and procedures, and expose the subject to an unreasonable risk as a result of participating in this clinical trial, such as: debilitating diseases, acute illnesses, hypotension, partial or complete conduction block, impaired cardiac function, untreated hypertension, advanced arteriosclerotic heart disease, cerebral vascular insufficiency, pre-existing abnormal neurological or neuromuscular disease (e.g., epilepsy, myasthenia gravis), advanced liver disease, severe renal impairment, advanced diabetes, comorbid conditions associated with an immunocompromised status, such as blood dyscrasias, HIV/AIDS, or recent chemotherapy.

    In addition, the subject will be ineligible to receive study drug if he or she meets the following criteria during surgery:
13. Any clinically significant event or condition uncovered during the surgery (e.g., excessive bleeding, acute sepsis) that might render the subject medically unstable or complicate the subject's postoperative course.
14. A cumulative incision length less than 3 cm.
B: Inclusion Criteria:

* Male or female, 18 years of age or older.
* Patients scheduled to undergo open segmental colectomy with planned primary anastamosis, as defined by cecectomy, right hemicolectomy, resection of transverse colon, left hemicolectomy, or sigmoidectomy.
* Ability to provide informed consent, adhere to study visit schedule, and complete all assessments.

Exclusion Criteria:

* Patients with a history of hypersensitivity or idiosyncratic reactions or intolerance to any local anesthetic, opioid, or propofol.
* Patients who abuse alcohol or other drug substance.
* Patients with severe hepatic impairment.
* Patients currently pregnant or who may become pregnant during the course of the study.
* Patients with any psychiatric, psychological, or other condition that the Investigator feels may make the patient an inappropriate candidate for this clinical study.
* Patients who have participated in a EXPAREL study within the last 30 days.
* Patients who have received an investigational drug within 30 days prior to study drug administration, or planned administration of another investigational product or procedure during the patient's participation in this study.
* Patients who undergo any concurrent surgical procedure during the ileostomy reversal surgery.

In addition, the patient will be ineligible if he/she meets the following criteria during surgery:

* Patients with unplanned multiple segmental resections or large intestine.
* Patients who have unplanned, temporary or permanent colostomies, ileostomies, or the like placed.
* Patients who receive intraoperative administration of opioids (other than fentanyl or analogs) or an other analgesic, local anesthetics, or anti-inflammatory agents.
* Patients who receive Entereg(R).
C: Inclusion Criteria:

1. Male or female, greater than or equal to 18 and less than or equal to 75 years of age at the Screening Visit.
2. Female subjects only: Postmenopausal, surgically sterile, or willing to use acceptable means of contraception for at least 30 days after surgery including any of the following: hormonal contraceptives (e.g., oral, injectable, implantable starting at least 30 days before study drug administration), effective double-barrier methods (e.g., condoms with spermicide), intrauterine device, lifestyle with a personal choice of abstinence, nonheterosexual lifestyle, or a strictly monogamous relationship with a partner who has had a vasectomy.
3. Scheduled to undergo primary unilateral total knee arthroplasty (TKA) under general anesthesia.
4. American Society of Anesthesiology (ASA) Physical Class 1-3.
5. Able and willing to comply with all study visits and procedures.
6. Able to speak, read, and understand the language of the Informed Consent, study questionnaires, and other instruments used for collecting subject-reported outcomes, in order to enable accurate and appropriate responses to pain scales and other required study assessments.
7. Willing and capable of providing written informed consent.

Exclusion Criteria:

1. Pregnancy, nursing, or planning to become pregnant during the study or within one month after dosing.
2. Use of any of the following medications within the times specified before surgery:

   * Long-acting opioid medication within 3 days.
   * Any opioid medication within 24 hours.
3. Concurrent, painful, physical condition or concurrent surgery that may require analgesic treatment in the postoperative period for pain that is not strictly related to the surgical site administered study treatment, and which may confound the postoperative assessments (e.g., significant pain from other joints, chronic neuropathic pain, concurrent contralateral TKA, concurrent foot surgery, etc.).
4. Body weight less than 50 kilograms (110 pounds) or morbid obesity.
5. Contraindication to any of the pain-control agents planned for postoperative use (e.g., acetaminophen, morphine, oxycodone, ketorolac).
6. Contraindication to epinephrine, such as concurrent administration of monoamine oxidase (MAO) inhibitors or antidepressants of amitriptyline or imipramine types, conditions where the production or exacerbation of tachycardia could prove fatal (e.g., poorly controlled thyrotoxicosis or severe heart disease), or any other pathological conditions that might be aggravated by the effects of epinephrine.
7. Administration of an investigational drug within 30 days or 5 elimination half-lives of such investigational drug, whichever is longer, prior to study drug administration, or planned administration of another investigational product or procedure during the subject's participation in this study.
8. History of, suspected, or known addiction to or abuse of illicit drug(s), prescription medicine(s), or alcohol within the past 2 years.
9. Uncontrolled anxiety, schizophrenia, or other psychiatric disorder that, in the opinion of the Investigator, may interfere with study assessments or compliance.
10. Current or historical evidence of any clinically significant disease or condition, especially cardiovascular or neurological conditions that, in the opinion of the Investigator, may increase the risk of surgery or complicate the subject's postoperative course.
11. Significant medical conditions or laboratory results that, in the opinion of the Investigator, indicate an increased vulnerability to study drugs and procedures, and expose the subject to an unreasonable risk as a result of participating in this clinical trial, such as: debilitating diseases, acute illnesses, hypotension, partial or complete conduction block, impaired cardiac function, untreated hypertension, advanced arteriosclerotic heart disease, cerebral vascular insufficiency, pre-existing abnormal neurological or neuromuscular disease (e.g., epilepsy, myasthenia gravis), advanced liver disease, severe renal impairment, advanced diabetes comorbid conditions associated with an immunocompromised status, such as blood dyscrasias, HIV/AIDS, or recent chemotherapy.

    In addition, the subject will be ineligible to receive study drug if he or she meets the following criteria during surgery:
12. Any clinically significant event or condition uncovered during surgery(e.g., excessive bleeding), which occurs before study drug administration, that might render the subject medically unstable or complicate the subject's postoperative course.
D: Inclusion Criteria:

* Male or female, at least 18 years of age.
* Patients scheduled to undergo laparoscopic segmental colectomy with planned primary anastamosis, as defined by cecectomy, right hemicolectomy, resection of transverse colon, left hemicolectomy, or sigmoidectomy. (Note: patients who converted from a planned laparoscopic colectomy to an open colectomy were not eligible.)
* Ability to provide informed consent, adhere to study visit schedule, and complete all study assessments.

Exclusion Criteria:

* Patients with a history of hypersensitivity or idiosyncratic reactions or intolerance to any local anesthetic, opioid, or propofol.
* Patients who abuse alcohol or other drug substance.
* Patients with severe hepatic impairment.
* Patients currently pregnant or who may become pregnant during the course of the study or who are unwilling to use acceptable means of contraception for at least 1 month before and 1 month after dosing. Acceptable means of contraception include hormonal contraceptives (e.g., oral, injectable, implantable), effective barrier methods (e.g., condoms with spermicide), intrauterine device, lifestyle with a personal choice of abstinence, non-heterosexual lifestyle, or in a strictly monogamous relationship with a partner who has had a vasectomy.
* Patients with any psychiatric, psychological, or other condition that the Investigator feels may make the patient an inappropriate candidate for this clinical study.
* Participation in an EXPAREL study within the last 30 days.
* Patients who have received any investigational drug within 30 days prior to study drug administration, or planned administration of another investigational product or procedure during the patient's participation in this study.

In addition, a patient was ineligible if he or she met the following criteria during surgery:

* Patients who had any concurrent surgical procedure.
* Patients with unplanned multiple segmental resections of large intestine.
* Patients who converted from laparoscopic-assisted colectomy to traditional open colectomy.
* Patients who had unplanned, temporary or permanent colostomies, ileostomies, or the like placed.
* Patients who received intraoperative administration of opioids (other than fentanyl or analogs) or any other analgesic, local anesthetics, or anti-inflammatory agents.
* Patients who received Entereg.

Answer: A