| Eligibility |
Inclusion Criteria:
1. Male and female participants 18-55 years of age (inclusive) at the time of signing the
ICF.
2. Participants must be in good general health, in the opinion of the investigator, with
no significant medical history, have no clinically significant abnormalities on
physical examination at Screening, and/or before administration of the initial dose of
IP.
3. Participants must have clinical laboratory values within normal ranges or < 1.2 times
upper limit of normal (ULN) as specified by the testing laboratory, unless deemed not
clinically significant (NCS) by the investigator.
4. Body mass index (BMI) 18 to = 30 kg/m2.
5. Female participants must use double barrier contraception and refrain from oocyte
donation from at least 28 days prior to Screening and for 90 days after last dose of
IP.
6. Male participants and female partners of male participants must agree to use highly
effective, double barrier contraception and refrain from sperm donation from first
dose of IP and for 90 days after last dose of IP.
7. Females of childbearing potential must have a negative serum pregnancy test at
Screening and a negative urine pregnancy test on Day -1. Females not of childbearing
potential must be surgically infertile or post-menopausal (defined as cessation of
regular menstrual periods for at least 12 months), confirmed by follicle-stimulating
hormone (FSH) level >40 mIU/mL at Screening.
8. Participants must provide signed informed consent prior to study entry and have the
ability and willingness to attend and comply with the necessary visits at the study
site.
Exclusion Criteria:
1. Recent (less than 6 weeks) wound, or presence of an ongoing non-healing skin wound.
2. Presence of any underlying physical or psychological medical condition that, in the
opinion of the investigator, would make it unlikely that the participant will complete
the study per protocol.
3. Known cardiac disease.
4. Active malignancy and/or history of malignancy in the past 5 years, with the exception
of completely excised non-melanoma skin cancer or low grade cervical intraepithelial
neoplasia.
5. Serious local or systemic infection within 1 month of Screening requiring antibiotic
treatment or history of recurrent infections.
6. Any acute illness within 30 days prior to Day 1.
7. Surgery, bone fracture or major musculoskeletal injury within the past 3 months prior
to the first IP administration determined by the investigator to be clinically
relevant.
8. Positive for human immunodeficiency virus (HIV) antibody or antigen.
9. Positive hepatitis C virus (HCV) antibody or positive hepatitis B surface antigen
(HBsAg).
10. Systolic blood pressure (BP) > 150 mmHg or < 90 mmHg or diastolic BP >90 mmHg or <50
mmHg at Screening with one repeat allowed per the investigator's discretion at
Screening and Day -1.
11. Heart rate < 40 beats per minute (bpm) or > 100 bpm at Screening.
12. Prolonged QT interval corrected by Fridericia's formula (QTcF) (>450 ms for males and
>470 ms for females), cardiac arrhythmia, or any clinically significant abnormality in
the resting ECG, as judged by the investigator.
13. All prescription and over-the-counter medications (including herbal medications),
except for contraceptives, are prohibited within 7 days prior to the first IP
administration and throughout the entire duration of the study.
14. All vaccines within 14 days prior to first IP administration and throughout the entire
duration of the study.
15. Administration of investigational product in another study within 30 days prior to the
first IP administration (except BLD-0409), or five half-lives, whichever is longer.
16. Significant weight loss or gain between Screening and first IP administration.
17. Blood donation or significant blood loss within 60 days prior to the first IP
administration.
18. Plasma donation within 7 days prior to the first IP administration.
19. Females who are pregnant or breastfeeding.
20. Diets that could alter metabolism (i.e., high protein, Slim Fast®, Nutrisystem®, etc.)
within 7 days prior first IP administration.
21. History or presence of alcohol or drug abuse within the 1 year prior to the first IP
administration, and unwillingness to be totally abstinent during the treatment period.
22. Positive urine drug screen/alcohol breath test at Day -1 (admission). Repeat urine
drug screens will be permitted for suspected false positive results.
23. Intake of alcohol or caffeine-containing products from 48 hours before first IP
administration through the EOS visit.
24. Active smokers and users of nicotine-containing products. Note, participants must
discontinue smoking/use of nicotine-containing products from 48 hours before first IP
administration through the EOS visit.
25. Failure to satisfy the investigator of fitness to participate for any other reason.
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