Evaluating Ability of HT-6184 to Reduce Inflammation and Pain After Third Molar Extraction

Inclusion Criteria: * The candidate is 18 years of age or older, capable of understanding and providing written informed consent to participate and willing to comply with study procedures including providing a blood sample to be saved for potential pharmacokinetic and/or genetic analysis. * The candidate, for any reason, requires surgical extraction of two or more third molars of which at least one is partially or fully impacted in mandibular bone. * The candidate is postmenopausal, surgically sterile or agrees to use an effective and medically acceptable method of contraception for 1 week after his or her last dose of study drug. * If female with child-bearing potential, the candidate must have a negative pregnancy test at screening and pre-surgery on the day of surgery. Exclusion Criteria: * The candidate typically or on average consumes more than one alcoholic beverage per day. * The candidate is pregnant or nursing. * The candidate has received an investigational drug or used an experimental medical device within 30 days prior to screening. * The candidate has donated 1 or more pints of blood within 8 weeks prior to screening. * The candidate has any hypersensitivity to components of the HT-6184/placebo formulations or the protocol-specified analgesic rescue medication, aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs). * The candidate has any contraindication to oral surgery or any serious or major medical problems that, in the investigator's opinion, may compromise the safety or the candidate or interfere with the interpretation of study results * The candidate has taken acetaminophen, NSAIDs (including aspirin) or other medications for pain within 72 hours of the surgical procedure. * The candidate has any abnormal laboratory value or physical finding that, in the opinion of the investigator, may compromise the individual's safety, interfere with interpretation of the study results, or be indicative of an underlying disease state.