232 Participants NeededMy employer runs this trial

YB-101 for Graves' Disease

Recruiting at 32 trial locations
VL
Overseen ByVictoria Lacasse, MD
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests a new treatment called YB-101 for Graves' Disease, which affects thyroid function. The study aims to evaluate the effectiveness, safety, and tolerability of YB-101 when injected under the skin. Individuals with Graves' Disease who have thyroid-stimulating hormone receptor antibodies (a specific disease marker) and have not undergone certain treatments like radioactive iodine may qualify. Participants will attend a series of clinic visits over approximately 40 weeks to receive either the treatment or a placebo. As a Phase 2 trial, the research focuses on assessing the treatment's effectiveness in an initial, smaller group of people.

Do I have to stop taking my current medications for the trial?

The trial requires that you have not taken levothyroxine, desiccated thyroid extract, or T3 within 6 weeks before screening, and you should not be currently treated with teprotumumab or have been exposed to it within 15 weeks prior to screening.

Is there any evidence suggesting that YB-101 is likely to be safe for humans?

Previous studies have shown YB-101 to be safe. Research indicates that most patients can use it without problems. YB-101 has been tested for its effects on Graves' Disease and Thyroid Eye Disease, demonstrating quick action and causing only minor side effects for most people. Although studies continue, the evidence so far suggests that YB-101 is safe for humans.12345

Why do researchers think this study treatment might be promising?

Most treatments for Graves' Disease, like antithyroid medications, radioactive iodine therapy, or surgery, aim to reduce thyroid hormone production or eliminate overactive thyroid tissue. But YB-101 works differently, targeting the autoimmune component of the disease. Researchers are excited about YB-101 because it is administered via subcutaneous injection, offering a potentially more convenient and less invasive option compared to current therapies. This novel approach could provide a new way to manage Graves' Disease with fewer side effects and improved patient outcomes.

What evidence suggests that YB-101 might be an effective treatment for Graves' Disease?

Research has shown that YB-101 works by blocking a specific signal that causes Graves' disease. Early results suggest that YB-101 can quickly halt the disease and might be more effective and safer than current treatments. In this trial, participants will receive either YB-101 or a placebo to study its effects on thyroid function, which is crucial for managing Graves' disease. Although the researchers are still collecting all the clinical data, the treatment appears promising in addressing the root cause of the symptoms.23567

Are You a Good Fit for This Trial?

This trial is for adults diagnosed with Graves' disease (a type of hyperthyroidism) who meet specific health requirements. People cannot join if they have certain other medical conditions or do not meet the study's safety guidelines.

Inclusion Criteria

I have been diagnosed with TED or show no signs of TED during my eye exam.
Additional inclusion criteria are defined in the protocol
I have Graves' Disease confirmed by thyroid antibody tests.

Exclusion Criteria

I have had radioactive iodine therapy or my thyroid removed.
I have had hyperthyroidism not due to Graves' disease in the past 6 months.
I have taken thyroid medication in the past 6 weeks.
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Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Blinded Treatment Period (Part 1)

Participants receive YB-101 or placebo via subcutaneous injection in a blinded manner

20 weeks
17-19 in-clinic visits

Double-Blinded Treatment Period (Part 2)

Participants receive YB-101 or placebo via subcutaneous injection in a double-blinded manner

20 weeks
17-19 in-clinic visits

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • YB-101

Trial Overview

The study tests a new drug called YB-101, given as an injection under the skin, compared to a placebo. It aims to see how safe and effective YB-101 is in treating Graves' disease over about 40 weeks.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Placebo Group

Group I: YB-101Experimental Treatment1 Intervention
Group II: Placebo YB-101Placebo Group1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Yarrow Bioscience, Inc.

Lead Sponsor

Citations

Evaluation of YB-101 for Safety, Tolerability ...

This study is being conducted to look at the effect YB-101 has on thyroid function. This study will also evaluate how safe and well tolerated YB ...

Yarrow Bioscience Announces Closing of Merger with ...

YB-101 has the potential to rapidly arrest the disease process and provide improved efficacy and safety versus the current. YB-101 demonstrated ...

UCSF Graves' Disease Trial → YB-101 for Safety, ...

This study is being conducted to look at the effect YB-101 has on thyroid function. This study will also evaluate how safe and well tolerated YB-101 is. ...

Dosing begins in phase 2a/2b trial of YB-101 after Yarrow ...

A study of YB-101, a potential treatment for both Graves' disease and thyroid eye disease, has begun dosing the first patients.

Epidemiology, management and outcomes of Graves' disease ...

All patients (n = 659) who received treatment for a new diagnosis of Graves' was 24.8 per 100,000 per year. 73.6% went into remission following ...

Evaluation of YB-101 for Safety, Tolerability, Pharmacokinetics ...

This study will also evaluate how safe and well tolerated YB-101 is and how it is distributed through the body. The study 1, blinded treatment ...

Yarrow Bioscience Initiates Phase 2 Trial of Anti-TSHR ...

YB-101 directly blocks TSHR signaling, the central autoimmune pathway driving both Graves' disease and thyroid eye disease. By targeting the ...