Evaluate the Analgesic Efficacy and Safety of VVZ-149 Injection for Post-operative Pain Following Gastrectomy
Post-Operative Pain

About this trial
This is an interventional treatment trial for Post-Operative Pain
Eligibility Criteria
Inclusion Criteria:
- Patient between the ages of 25 and 70 years old
- Male patient, in the case of female patient, postmenopausal women, or women physically incapable of childbearing
- Subject who underwent surgery specially for the clinical study
- Ability to provide written informed consent prior to any study procedures.
- Ability to understand study procedures and communicate clearly with the investigator and staff.
- Subjects with body weight under 100kg and body mass index (BMI) level lower than 35 kg/m2, inclusive
Exclusion Criteria:
< Surgical Factors >
- Emergency or unplanned surgery.
- Repeat operation (e.g., previous surgery within 30 days for same condition).
- Cancer-related condition causing preoperative pain in site of surgery. - < Subject Characteristics > 
- Women with childbearing potential, Women who are pregnant or breastfeeding.
- Chronic pain diagnosis (e.g., ongoing pain at baseline with NRS ≥ 4/10).
- Unstable or poorly controlled psychiatric condition (e.g., untreated PTSD, anxiety, or depression). Subjects who take stable doses (same dose >30 days) of antidepressants and anti-anxiety drugs may be included.
- Unstable or acute medical condition (e.g., unstable angina, congestive heart failure, renal failure, hepatic failure, AIDS).
- Subjects who have long PR (>200msec) or prolonged QTc (> 450msec in male, >470msec in female) at Screening - < Drug, Alcohol, and Pharmacological Considerations > 
- History of alcohol, opiate or other drug abuse or dependence within 12 months prior to Screening .
- Ongoing or recent (within 30 days prior to surgery) use of steroids, opioids, or antipsychotics.
- Alcohol consumption within 24 hours of surgery.
- Use of nonsteroidal anti-inflammatory drugs (NSAIDs) or acetaminophen within 24 hours of surgery.
- Use of herbal agents or nutraceuticals (i.e., chaparral, comfrey, germander, jin bu huan, kava, pennyroyal, skullcap, St. John's wort, or valerian) within 7 days prior to surgery. - < Anesthetic and Other Exclusion Considerations > 
- Use of neuraxial or regional anesthesia related to the surgery.
- Use of ketamine, gabapentin, pregabalin, or lidocaine (>1 mg/kg) intra or peri-operatively, or within 24 hours of surgery.
- Subject with known allergies to hydromorphone.
- Subjects who received another investigational drug within 30 days of scheduled surgery
Sites / Locations
- Yonsei University Health System, Severance Hospital
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
VVZ-149 injection
Placebo
VVZ-149 injections will be mixed with saline, then intravenous infusion for 10hr. The drug product will be administrated with a loading dose of 1.8 mg/kg for 0.5 hour followed by a maintenance dose of 1.3 mg/kg/h for 9.5 hours.
Placebo group will receive an water for injection the same volume and period of experimental group.