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KB111

Phase 1

Hailey Hailey Disease | Monoclonal antibody | Dermatology |Krystal Biotech, Inc.|Last Updated: Jul 21, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment7

FDA Designations

FAST_TRACK

Clinical trial landscape

KB111 · 1 trial · 3 indications

Early Phase 1 1
NCT07717346A Study to Investigate Safety and Efficacy of KB111 for the Treatment of Hailey-Hailey DiseaseHailey Hailey Disease
RECRUITING7 Analytics
EARLY_PHASE1RECRUITING
A Study to Investigate Safety and Efficacy of KB111 for the Treatment of Hailey-Hailey Disease
Hailey Hailey DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

To evaluate the safety and tolerability of KB111
12 weeks

Number of subjects with treatment related adverse events as assessed by CTCAE v5

Secondary Endpoints

To evaluate the effect of KB111 on patient-reported lesion severity throughout the treatment period.
12 weeks
To evaluate the effect of KB111 on patient-reported global impression of severity throughout the treatment period
12 weeks
To evaluate the effect of KB111 on Investigator-based assessments of lesion severity
12 weeks
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
KB111EXPERIMENTALKB111

Interventions

NameTypeDescription
KB111BIOLOGICALKB111 is a replication-defective, non-integrating herpes simplex virus (HSV-1)-based vector encoding functional, full-length human ATP2C1 protein combined with a gel for topical application.
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Eligibility Criteria

Age Range12 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * The participant must have read, understood, and signed an Institutional Review Board (IRB)- approved Informed Consent Form and must be willing and able to comply with study procedures and instructions * Aged ≥ 12 years of age at the time of informed consent/assent * Documented...

Countries:United States
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Recent Changes (Last 90 Days)

LOWJul 21, 2026NCT07717346NEW_TRIAL: changed

Frequently asked questions about KB111

What is KB111 used for in Hailey Hailey Disease?

KB111 is an investigational monoclonal antibody being developed for the treatment of Hailey Hailey Disease, a rare genetic skin disorder. It is designed to address the skin lesions associated with the condition. KB111 is currently in Phase 1 clinical development and has not yet been approved by regulatory authorities.

Who makes KB111?

KB111 is being developed by Krystal Biotech, Inc., a biopharmaceutical company traded on the stock exchange under the ticker symbol KRYS. The company is conducting clinical trials to evaluate the safety and efficacy of KB111 for the treatment of Hailey Hailey Disease.

What phase is KB111 in?

KB111 is in Phase 1 clinical development. It is currently being studied in an early Phase 1 trial that is recruiting participants. The drug is investigational and has not received regulatory approval. It has been granted Fast Track designation by the FDA, which may expedite its development and review.

What clinical trials is KB111 in?

KB111 is being evaluated in a single clinical trial registered as NCT07717346, titled "A Study to Investigate Safety and Efficacy of KB111 for the Treatment of Hailey-Hailey Disease." This early Phase 1 study is recruiting participants in the United States and aims to enroll 7 individuals aged 12 years and older.

Is KB111 FDA approved?

No, KB111 is not FDA approved. It is an investigational drug currently in Phase 1 clinical trials. The FDA has granted KB111 Fast Track designation, which is intended to facilitate the development and expedite the review of drugs that treat serious conditions and fill an unmet medical need.