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A Study Testing the Safety and Effects of FB102 in Healthy Volunteers

A Phase 1, Randomized, Double-blind, Placebo-controlled Trial to Evaluate the Safety, Tolerability, Pharmacokinetics, and Immunogenicity After Single and Multiple Dose Administration of FB102 Administered in Healthy Participants

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07623057
Enrollment
48
Registered
2026-06-03
Start date
2026-06-23
Completion date
2027-02-01
Last updated
2026-08-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteer

Brief summary

The purpose of this Phase 1 trial is to evaluate the safety and effects of FB-102 in healthy volunteers following single and multiple doses.

Detailed description

FB-102 will be administered as either a single dose (Part A) or multiple doses (Part B), compared with a placebo control. Part A (single ascending dose, SAD), participants will receive single dose FB102 will be administered as a single dose. Part B (multiple ascending dose, MAD), participants will receive multiple doses of FB-102 or placebo.

Interventions

DRUGFB102 Single dose

FB102 will be administered as a single dose

DRUGFB102 Multiple doses

FB102 will be administered once weekly for 4 doses.

DRUGFB102 Placebo

Matching placebo identical to FB102 formulation but without the active pharmaceutical ingredient

Sponsors

Forte Biosciences, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

1. Body mass index (BMI) between 18.0 and 32.0 kg/m2, inclusive, at Screening. 2. Weight ≥50 kg and ≤100kg. 3. Men are required to agree to practice true abstinence; be surgically sterilized (performed at least 6 months prior and documented to no longer produce sperm - verbal confirmation through medical history review acceptable); or agree to use a condom plus effective contraception for their female partner if of childbearing potential, from Screening and for at least 90 days after the EOT visit and refrain from donating sperm during this period. Effective contraception includes established use of hormonal contraception beginning at least 30 days prior to the Screening visit; or placement of an intrauterine device or intrauterine system. These contraception requirements do not apply if the male participant is in an exclusively same sex relationship; sperm donation prohibitions apply. 4. Women are eligible to participate if they are not pregnant, not breastfeeding, and at least 1 of the following conditions apply: 1. Not of childbearing potential, defined as surgically sterile (hysterectomy, bilateral salpingectomy, tubal ligation or bilateral oophorectomy - verbal confirmation through medical history review is acceptable). 2. Postmenopausal (no menses for 12 months and confirmed by follicle-stimulating hormone \[FSH\] level ≥40 mlU/mL). 3. Of childbearing potential and agree to practice true abstinence or agree to use a highly effective method of contraception consistently from 30 days prior to the Screening visit until the EOT visit and are required to agree not to donate ova during the trial and for 90 days after the EOT visit.

Exclusion criteria

1. Any clinically significant medical condition malignancy allergy infection or immunosuppressive condition as determined by the Investigator except cured basal or squamous cell skin cancer. 2. Alkaline phosphatase (ALP), aspartate transaminase (AST), alanine transaminase (ALT), and/or total bilirubin \>1.5× the upper limit of normal (ULN). Participants with bilirubin \>2× ULN that have a documented diagnosis of Gilbert's syndrome can be enrolled at the Investigator's discretion. 3. History of malignancy of any organ system (other than localized basal cell carcinoma of the skin or in situ cervical cancer considered treated and cured), treated or untreated, within 5 years before Screening, regardless of whether there is no evidence of local recurrence or metastases. 4. Positive for hepatitis B surface antigen (HBsAg), anti-hepatitis C virus (HCV) antibodies, anti-human immunodeficiency virus (HIV) 1 and 2 antibodies, or interferon-gamma release assay (IGRA) for tuberculosis.

Design outcomes

Primary

MeasureTime frame
Incidence, severity, and relationship to treatment of treatment-emergent adverse events (TEAEs)From day 1 to Day 85 (End of treatment visit)
Incidence, severity, and relationship to treatment of SAEsFrom day 1 to Day 85 (End of treatment visit)

Secondary

MeasureTime frame
Plasma PK parameters for single dose- maximum serum concentration (Cmax)Day 1,2,3,4,5,8,15,22,36,50,85
Plasma PK parameters for single dose- time to maximum concentration (Tmax)Day 1,2,3,4,5,8,15,22,36,50,85
Plasma PK parameters for Multiple dose- maximum serum concentration (Cmax)Days 1 and 22
Plasma PK parameters for Multiple dose- time to maximum concentration (Tmax)Days 1 and 22

Countries

Australia

Contacts

CONTACTAlistair Mallard
amallard@usc.edu.au+61 7 5409 8644
PRINCIPAL_INVESTIGATORDr. Indika P Leelasena

University of the sunshine coast clinical trials, Morayfield

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 20, 2026