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ABS-201

Phase 1

Androgenetic Alopecia (AGA) | Small molecule | Dermatology |Absci Corporation|Last Updated: May 22, 2026

Target and mechanism

ModalitySmall molecule

Also known as ABS-201 IV Single Dose, ABS-201 Single Dose

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment227

FDA Designations

No designations recorded

Clinical trial landscape

ABS-201 · 1 trial · 2 indications

Phase 1 1
NCT07317544Study of ABS-201 Evaluating Single and Multiple Ascending Doses in Healthy Adults With and Without Androgenetic AlopeciaAndrogenetic Alopecia (AGA)
RECRUITING227 Analytics
PHASE1RECRUITING
Study of ABS-201 Evaluating Single and Multiple Ascending Doses in Healthy Adults With and Without Androgenetic Alopecia
Androgenetic Alopecia (AGA)Unlock trial analytics

Study Endpoints

Primary Endpoints

Incidence rate of treatment-related adverse events
From enrollment to the end of the Study (SAD approximately 12 months, MAD approximately 18 months)

Safety assessments based on reporting of Treatment Emergent Adverse Events

Secondary Endpoints

CMAX
From enrollment to the end of the Study (SAD up to 12 months, MAD up to 18 months)
AUC
From enrollment to the end of the Study (SAD up to 12 months, MAD up to 18 months)
TMAX
From enrollment to the end of the Study (SAD up to 12 months, MAD up to 18 months)
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SAD IV Dose 1 - 150mg ABS201 or PlaceboEXPERIMENTALABS-201 IV Single Dose
SAD IV Dose 2 - 450mg ABS201 or PlaceboEXPERIMENTALSingle Intra-venous dose of active study drug or placebo in Healthy Volunteers
SAD IV Dose 3 - 900mg ABS201 or PlaceboEXPERIMENTALSingle Intra-venous dose of active study drug or placebo in Healthy Volunteers
SAD IV Dose 4 - 1800mg ABS201 or PlaceboEXPERIMENTALSingle Intra-venous dose of active study drug or placebo in Healthy Volunteers
MAD SC Dose 1 - 300mg ABS201 or PlaceboEXPERIMENTALMultiple Ascending Doses of active study drug or placebo delivered subcutaneously in Patients with AGA
MAD SC Dose 2 - 600mg ABS201 or PlaceboEXPERIMENTALMultiple Ascending Doses of active study drug or placebo delivered subcutaneously in Patients with AGA
MAD SC Dose 2 - 1200mg ABS201 or PlaceboEXPERIMENTALMultiple Ascending Doses of active study drug or placebo delivered subcutaneously in Patients with AGA

Interventions

NameTypeDescription
ABS-201 IV Single DoseDRUGABS-201 is an IgG1 monoclonal antibody developed to specifically target the prolactin receptor (PRLR),
Placebo IVDRUGMatching placebo
ABS-201 SC Multiple DosesDRUGMultiple doses of ABS-201 for Subcutaneous injection
Placebo SC InjectionDRUGSubcutaneous Placebo injection for MAD arms
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersYes
Study Sites4

Inclusion Criteria (Major): * Participants must be overtly healthy, as determined by medical evaluation, which includes a review of medical and surgical history, physical examination, and a 12-lead ECG. * Must have normal ranges for hematology, clinical chemistry, coagulation tests, and urine analy...

Countries:Australia
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Recent Changes (Last 90 Days)

LOWMay 26, 2026NCT07317544primaryCompletionDate: changed
LOWMay 24, 2026NCT07317544studyFirstPostDate: changed

Frequently asked questions about ABS-201

What is ABS-201 Single Dose used for?

ABS-201 Single Dose is an investigational small molecule being developed for androgenetic alopecia (AGA), a common form of hair loss. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities. The drug is being studied in healthy adults with and without AGA.

Who makes ABS-201 Single Dose?

ABS-201 Single Dose is being developed by Absci Corporation, a biopharmaceutical company traded on the stock exchange under the ticker symbol ABSI. The company is conducting clinical trials to evaluate the safety and tolerability of this investigational drug for androgenetic alopecia.

What phase is ABS-201 Single Dose in?

ABS-201 Single Dose is in Phase 1 clinical development. It is an investigational drug and has not been approved by the FDA or any other regulatory agency. The ongoing Phase 1 trial is recruiting participants to evaluate single and multiple ascending doses in healthy adults.

What clinical trials is ABS-201 Single Dose in?

ABS-201 Single Dose is being evaluated in a Phase 1 clinical trial registered as NCT07317544. This randomized, double-blind, controlled study is recruiting 227 participants in Australia to assess single and multiple ascending doses in healthy adults with and without androgenetic alopecia.

Is ABS-201 Single Dose the same as ABS-201 IV Single Dose?

Yes, ABS-201 Single Dose is also known as ABS-201 IV Single Dose. Both names refer to the same investigational drug being developed by Absci Corporation for the treatment of androgenetic alopecia. The drug is administered intravenously and is currently in Phase 1 clinical trials.