Study of Single Doses of SBT777101 in Subjects With Hidradenitis Suppurativa

NCT ID: NCT06361836

Last Updated: 2025-04-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-10-09

Study Completion Date

2026-11-30

Brief Summary

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This study will test the safety and effects of SBT777101 when given as a single dose to subjects with hidradenitis suppurativa. Increasing dose levels will be given after the safety at lower dose levels is shown.

Detailed Description

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The study evaluates the safety and effects of a novel regulatory CARTreg cell-based autoimmune and inflammatory disease therapy for the treatment of hidradenitis suppurativa. The therapy is an autologous (using the patient's own cells) Treg cell therapy that targets proteins in the inflamed, disease-associated tissue, with the aim to dampen inflammation and restore balance to the immune system.

Conditions

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Hidradenitis Suppurativa

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Sequential escalating dose cohorts
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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SBT777101 Dose Level 1

Low dose SBT777101

Group Type EXPERIMENTAL

SBT777101

Intervention Type BIOLOGICAL

Experimental treatment

SBT777101 Dose Level 2

Mid dose SBT777101

Group Type EXPERIMENTAL

SBT777101

Intervention Type BIOLOGICAL

Experimental treatment

SBT777101 Dose Level 3

High dose SBT777101

Group Type EXPERIMENTAL

SBT777101

Intervention Type BIOLOGICAL

Experimental treatment

Interventions

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SBT777101

Experimental treatment

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Body mass index (BMI) ≤50 kg/m2, inclusive
* Diagnosis of clinically active moderate-to-severe HS (Hurley Stage 2 or 3)
* Total abscess or inflammatory nodule (AN) count of ≥5, affecting at least 2 distinct anatomic regions, with at least 1 accessible AN of adequate size for biopsy (diameter \> 1 cm)
* Total draining tunnel (dT) count of ≤20
* Documented history of inadequate response or intolerance to at least a 3-month course of 1 conventional systemic therapy (e.g., antibiotic) and 1 biologic drug (e.g., adalimumab or secukinumab)
* Doses of medications for HS must be stable for at least 5 weeks prior to study drug administration
* Must agree to use highly effective method of contraception for at least 1 year post SBT777101 administration

Exclusion Criteria

* Major surgery within 12 weeks prior to screening or planned within 12 months after dosing
* History of or current inflammatory or other autoimmune disease
* Complex presentations of HS
* Skin disease other than HS that may confound clinical assessments or increase subject risk in the study
* Uncontrolled concomitant cardiovascular, nervous system, pulmonary, renal, hepatic, endocrine, or gastrointestinal disease
* Active current infection or history of recurrent infections
* Active or untreated latent tuberculosis
* Primary or secondary immunodeficiency
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Sonoma Biotherapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Joseph Arron, MD PhD

Role: STUDY_DIRECTOR

Sonoma Biotherapeutics, Inc.

Locations

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Brigham and Women's Hospital

Boston, Massachusetts, United States

Site Status RECRUITING

University of Minnesota

Minneapolis, Minnesota, United States

Site Status RECRUITING

SLUCare Academic Pavillion

St Louis, Missouri, United States

Site Status RECRUITING

Columbia University Irving Medical Center

New York, New York, United States

Site Status RECRUITING

Duke University

Durham, North Carolina, United States

Site Status RECRUITING

The University of Texas MD Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Sabrina Fox-Bosetti, MPH

Role: CONTACT

415-992-6245

Jason Do

Role: CONTACT

415-992-6245

Facility Contacts

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Oliva Gabriel

Role: primary

617-525-8250

Irmina Wallander

Role: primary

612-624-5721

Rhonda Lebbing

Role: primary

314-617-3355

Nina Figueroa

Role: primary

212-304-5526

Laura Van Althuis

Role: primary

919-668-4312

Stacie Stutte

Role: primary

713-794-1918

Other Identifiers

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SBT777101-02

Identifier Type: -

Identifier Source: org_study_id

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