This is a Phase 1, first-in-human study to evaluate the safety, tolerability, and pharmacokinetics of ORKA-002 in healthy participants.

This is a single center, Phase 1, double-blind, placebo-controlled, randomized, first-in-human (FIH), single ascending dose study evaluating the safety, tolerability, pharmacokinetics (PK) of ORKA-002 in healthy volunteers. The study will enroll approximately 24 healthy volunteers. The ORKA-002 dose will be administered by a subcutaneous injection.

Key Inclusion Criteria:

1. Healthy male or female participants
2. 18 to 65 years (inclusive) with a body mass index (BMI) 18 to 32 kg/m2 at Screening
3. Willing and able to remain at the study site unit for the duration of the confinement period and return for the outpatient visit(s)/s defined in the protocol
4. Using two methods of contraception (one being highly effective) from admission through the end of the study

Key Exclusion Criteria:

1. Any clinically significant medical condition or finding that, in the Investigator's opinion, is likely to unfavorably alter the risk of study participation, confound study results, or interfere with the study conduct or compliance.
2. Known history of illicit drug use or drug abuse or harmful alcohol use
3. Known history of frequent tobacco or vaping use within 2 years prior to screening
4. Unwilling to abstain from regular, continuous alcohol use or tobacco use as per protocol
5. History of severe allergic reactions or hypersensitivity
6. Actively nursing, lactating, pregnant, or plans to be pregnant
7. Use of any investigational drug therapy within 30 days prior to enrollment
8. Unable to comply with study requirements or in the opinion of the Investigator should not participate in this study