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YB-101

Phase 2

Graves' Disease | Small molecule | Endocrine |Yarrow Bioscience, Inc. Common Stock|Last Updated: Sep 4, 2026

Target and mechanism

Molecular targetTSHR
Target classAntibody
ModalitySmall molecule

Also known as Experimental: YB-101

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment232

FDA Designations

No designations recorded

Clinical trial landscape

YB-101 · 1 trial · 1 indication

Phase 2 1
NCT07682896Evaluation of YB-101 for Safety, Tolerability, Pharmacokinetics, and Efficacy in Graves' DiseaseGraves' Disease
RECRUITING232 Analytics
PHASE2RECRUITING
Evaluation of YB-101 for Safety, Tolerability, Pharmacokinetics, and Efficacy in Graves' Disease
Graves' DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Type and frequency of treatment-emergent adverse events (TEAEs) and treatment-emergent serious adverse events (TESAEs)
Baseline, Day 169
Proportion of participants with normal free triiodothyronine (FT3), free thyroxine (FT4), and thyroid-stimulating hormone (TSH) who discontinued anti-thyroid drugs (ATDs), regardless of concomitant levothyroxine use
Baseline, Day 169
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
YB-101EXPERIMENTALIn Part 1, participants will receive YB-101 via subcutaneous injection. Part 2 participants will receive YB-101 via subcutaneous injection.
Placebo YB-101PLACEBO_COMPARATORIn Part 1, participants will receive placebo via subcutaneous injection. Part 2 participants will receive placebo via subcutaneous injection.

Interventions

NameTypeDescription
Experimental: YB-101DRUGYB-101 is administered over a 24 week period.
Placebo YB-101DRUGPlacebo will be administered over a 24 week period.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites30

Inclusion Criteria: * Have a documented diagnosis of Graves' Disease confirmed by the presence of thyroid-stimulating hormone receptor antibodies (TRAbs) by medical history or screening laboratory assessment * Have a pre-existing diagnosis of TED or, conversely, no evidence of TED at the ophthalmol...

Countries:United StatesAustralia
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Recent Changes (Last 90 Days)

LOWSep 4, 2026NCT07682896lastUpdatePostDate: changed
LOWSep 4, 2026NCT07682896lastUpdatePostDate: changed