Recent Updates
Recently added Catalysts

AVTX-009 Regimen 1

Phase 2

Hidradenitis Suppurativa | Small molecule | Dermatology |Avalo Therapeutics, Inc.|Trials Updated: Apr 21, 2026

AVTX-009 Regimen 1 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Sep 2024

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment253

FDA Designations

No designations recorded

AVTX-009 Regimen 1 clinical trials

AVTX-009 Regimen 1 · 1 trial · 1 indication

Phase 2 1
NCT06603077A Study to Evaluate the Efficacy and Safety of AVTX-009 in Patients With Moderate to Severe Hidradenitis SuppurativaHidradenitis Suppurativa
COMPLETED253 Analytics
PHASE2COMPLETED
A Study to Evaluate the Efficacy and Safety of AVTX-009 in Patients With Moderate to Severe Hidradenitis Suppurativa
Hidradenitis SuppurativaUnlock trial analytics

Study Endpoints

Primary Endpoints

Proportion of patients achieving Hidradenitis Suppurativa Clinical Response 75 (HiSCR75)
At Week 16

HiSCR75 is defined as at least a 75% reduction in the total abscess and inflammatory nodule count, with no increase in abscess count and no increase in draining fistula count, relative to Baseline.

Secondary Endpoints

Proportion of patients achieving HiSCR50
At Week 16
Proportion of patients achieving HiSCR90
At Week 16
Change from Baseline in International HS Severity Score System (IHS4)
Baseline (Day 1) and Week 16
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AVTX-009 Regimen 1EXPERIMENTALPatients will receive AVTX-009 regimen 1.
AVTX-009 Regimen 2EXPERIMENTALPatients will receive AVTX-009 regimen 2.
PlaceboPLACEBO_COMPARATORPatients will receive matching placebo.

Interventions

NameTypeDescription
AVTX-009 Regimen 1DRUGAVTX-009 will be administered as a subcutaneous injection every 4 weeks.
AVTX-009 Regimen 2DRUGAVTX-009 will be administered as a subcutaneous injection every 2 weeks.
PlaceboDRUGMatching placebo will be administered as a subcutaneous injection every 2 weeks.
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites89

Inclusion Criteria: 1. Signs and symptoms of hidradenitis suppurativa (HS) for at least 6 months prior to Screening. 2. At least 5 inflammatory lesions in at least 2 distinct anatomical areas, at least 1 of which is Hurley Stage 2 or 3. Exclusion Criteria: 1. Has a draining fistula count of ≥ 20....

Countries:United StatesAustraliaBulgariaCanadaCzechiaFranceGermanyGreeceItalyPolandSlovakiaSpainTurkey (Türkiye)
Unlock Eligibility Criteria

Frequently asked questions about AVTX-009 Regimen 1

What is AVTX-009 Regimen 1 used for?

AVTX-009 Regimen 1 is being developed for the treatment of moderate to severe hidradenitis suppurativa, a chronic inflammatory skin condition. It is an investigational small molecule therapy being studied in adults 18 years and older with this dermatologic indication.

Who is developing AVTX-009 Regimen 1?

AVTX-009 Regimen 1 is being developed by Avalo Therapeutics, Inc., which trades on the Nasdaq under the ticker AVTX. The company is advancing this small molecule candidate in dermatology, specifically for moderate to severe hidradenitis suppurativa.

What phase is AVTX-009 Regimen 1 in?

AVTX-009 Regimen 1 is in Phase 2 clinical development. A Phase 2 trial evaluating its efficacy and safety in patients with moderate to severe hidradenitis suppurativa has been completed. The drug is investigational and has not been approved by the FDA.

What clinical trials is AVTX-009 Regimen 1 in?

AVTX-009 Regimen 1 has been studied in one Phase 2 clinical trial, NCT06603077, titled A Study to Evaluate the Efficacy and Safety of AVTX-009 in Patients With Moderate to Severe Hidradenitis Suppurativa. The trial enrolled 253 participants across the United States, Australia, Bulgaria, Canada, Czechia, France, Germany, Greece, Italy, Poland, Slovakia, Spain, and Turkey, and is now completed.

How was the Phase 2 trial of AVTX-009 Regimen 1 designed?

The Phase 2 trial NCT06603077 was a randomized, double-blind, placebo-controlled study evaluating AVTX-009 in adults with moderate to severe hidradenitis suppurativa. It enrolled 253 participants, included both male and female patients aged 18 years and older, and did not enroll healthy volunteers.