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GS-0151

Phase 1

Rheumatoid Arthritis | Small molecule | Immunology |Gilead Sciences, Inc.|Last Updated: Jun 9, 2026

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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment75
FDA Designations
No designations recorded
Clinical trial landscape

GS-0151 · 1 trial · 1 indication

Phase 1 1
NCT06902519Study of GS-0151 in Participants With Rheumatoid ArthritisRheumatoid Arthritis
RECRUITING75 Analytics
PHASE1RECRUITING
Study of GS-0151 in Participants With Rheumatoid Arthritis
Rheumatoid ArthritisUnlock trial analytics
Study Endpoints
Primary Endpoints
Cohort 1, 2 and 3: Percentage of Participants Experiencing Treatment-Emergent Adverse Events (TEAEs)
First dose up to 19 Weeks post end of treatment at Week 12
Cohort 1, 2 and 3: Percentage of Participants Experiencing Treatment-Emergent Laboratory Abnormalities
First dose up to 19 Weeks post end of treatment at Week 12
Cohorts 1, 2 and 3: Percentage of Participants Experiencing Serous Adverse Events (SAEs) and Adverse Events (AEs) Leading to Study Discontinuation
First dose up to 19 Weeks post end of treatment at Week 12
Cohort 1, 2 and 3: Serum AUCtau Following the Last Dose of GS-0151
Up to Week 12

AUCtau is defined as the area under the serum concentration versus time curve over the dosing interval.

Cohorts 1, 2 and 3: Serum Cmax, Following the Last Dose of GS-0151
Up to Week 12

Cmax is defined as the maximum observed plasma drug concentration.

Cohorts 1, 2 and 3: Serum Tmax Following the Last Dose of GS-0151
Up to Week 12

Tmax is defined as the time (observed time point) of Cmax.

Secondary Endpoints
Cohorts 1, 2, and 3: Percentage of Participants with Antidrug Antibodies (ADAs) During the Study
Up to Week 12
Cohort 3: Change From Baseline in Disease Activity Score for 28 Joint Count Using C-Reactive Protein (DAS28-CRP) at Week 12 in Participants With Moderately to Severely Active RA
Baseline, Week 12
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part A: Cohort 1 (GS-0151 Dose A)EXPERIMENTALParticipants with RA will be randomized to receive Dose A of GS-0151 up to 12 weeks.
Part A: Cohort 1 (Placebo)PLACEBO_COMPARATORParticipants with RA will be randomized to receive placebo up to 12 weeks.
Part A: Cohort 2 (GS-0151 Dose B)EXPERIMENTALParticipants with RA will be randomized to receive Dose B of GS-0151 up to 12 weeks.
Part A: Cohort 2 (Placebo)PLACEBO_COMPARATORParticipants with RA will be randomized to receive placebo up to 12 weeks.
Part B: Cohort 3 (GS-0151 Dose C)EXPERIMENTALParticipants with moderately to severely active RA will be randomized to receive Dose C of GS-0151.
Part B: Cohort 3 (Placebo)PLACEBO_COMPARATORParticipants with moderately to severely active RA will be randomized to receive placebo.
Interventions
NameTypeDescription
GS-0151DRUGAdministered for 12 weeks
PlaceboDRUGAdministered for 12 weeks
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Eligibility Criteria
Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites35

Key Inclusion Criteria: Medical History/Physical Characteristics; All Cohorts: * Individuals must not be on a biologic disease-modifying antirheumatic drug (b/tsDMARD) on Day 1 and must have discontinued all b/tsDMARDs (including biosimilars and generics) at least 4 weeks prior to Day 1 with the e...

Countries:United StatesGeorgiaGermanyMoldovaPolandSpain
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Recent Changes (Last 90 Days)
LOWJun 9, 2026NCT06902519lastUpdatePostDate: changed
LOWJun 9, 2026NCT06902519lastUpdatePostDate: changed
LOWJun 9, 2026NCT06902519lastUpdatePostDate: changed
LOWJun 9, 2026NCT06902519lastUpdatePostDate: changed
LOWMay 26, 2026NCT06902519primaryCompletionDate: changed
LOWMay 24, 2026NCT06902519studyFirstPostDate: changed