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ABCL635

Phase 1

Vasomotor Symptoms Associated With Menopause | Monoclonal antibody | Endocrine |AbCellera Biologics Inc.|Last Updated: Jun 15, 2026

Target and mechanism

Molecular targetNK3R
Target classReceptor
ModalityMonoclonal antibody

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment136

FDA Designations

No designations recorded

Clinical trial landscape

ABCL635 · 1 trial · 2 indications

Phase 1 1
NCT07118891Study Evaluating ABCL635 for Vasomotor Symptoms of MenopauseVasomotor Symptoms Associated With Menopause
ACTIVE NOT_RECRUITING136 Analytics
PHASE1ACTIVE NOT_RECRUITING
Study Evaluating ABCL635 for Vasomotor Symptoms of Menopause
Vasomotor Symptoms Associated With MenopauseUnlock trial analytics

Study Endpoints

Primary Endpoints

Frequency and severity of adverse events (AE)
Day 0 to day 197
Number of participants with abnormalities in 12-lead safety electrocardiograms (ECG)
Day 0 to day 197
Number of participants with abnormalities in physical examination
Day 0 to day 197
Number of participants with abnormalities in laboratory parameters, including general biochemistry, hematology, endocrinology, and urinalysis
Day 0 to day 197

Secondary Endpoints

Mean change from baseline to each study week in the frequency of moderate and severe VMS (VMSM-S frequency)
up to day 141 (Part C)
Mean change from baseline to each study week in the severity of moderate and severe VMS (VMSM-S severity)
up to day 141 (Part C)
Mean change from baseline to each study week in the frequency of all reported VMS (VMSTotal frequency).
up to day 141 (Part C)
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ABCL635 Part AEXPERIMENTALPart A: healthy male and female participants will receive a single dose of ABCL635 administered by subcutaneous (SC) injection
Placebo Part APLACEBO_COMPARATORPart A: Healthy male and female participants will receive a single dose of placebo (dextrose 5% solution) administered by SC injection
ABCL635 Part BEXPERIMENTALPart B: healthy postmenopausal women with or without VMS will receive up to 3 doses of ABCL635 administered by SC injection
Placebo Part BPLACEBO_COMPARATORPart B: healthy postmenopausal women with or without VMS will receive up to 3 doses of placebo (dextrose 5% solution) administered by SC injection
ABCL635 Part CEXPERIMENTALPart C: postmenopausal women with moderate to severe VMS will receive a single dose of ABCL635 administered by SC injection
Placebo Part CPLACEBO_COMPARATORPart C: postmenopausal women with moderate to severe VMS will receive a single dose of placebo (dextrose 5% solution) administered by SC injection
ABCL635 Part C OLEEXPERIMENTALPart C open label extension (OLE): postmenopausal women with moderate to severe VMS will receive a single dose of ABCL635 administered by SC injection upon completion of 12-week assessment.

Interventions

NameTypeDescription
ABCL635BIOLOGICALParticipants will receive SC administrations of ABCL635
PlaceboBIOLOGICALParticipants will receive SC administration of placebo (5% dextrose solution)
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Eligibility Criteria

Age Range40 Years to 75 Years
SexALL
Healthy VolunteersYes
Study Sites13

Inclusion Criteria: * Good general health as determined through a review of their medical history and after conducting a general physical examination * Body weight ≥ 45 to ≤ 120 kg * Body mass index (BMI) between 18.5 kg/m2 and 35.0 kg/m2 * Non- or ex-smoker (an ex-smoker is defined as someone who ...

Countries:Canada
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Recent Changes (Last 90 Days)

MEDIUMJun 16, 2026NCT07118891Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJun 16, 2026NCT07118891Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJun 16, 2026NCT07118891Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMJun 16, 2026NCT07118891Status: RECRUITING → ACTIVE_NOT_RECRUITING

Frequently asked questions about ABCL635

What is ABCL635 used for?

ABCL635 is an investigational monoclonal antibody being developed for vasomotor symptoms associated with menopause. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does ABCL635 target?

ABCL635 targets NK3R, a receptor involved in the regulation of body temperature and hormone signaling. By binding to this receptor, the antibody is designed to modulate pathways implicated in vasomotor symptoms associated with menopause.

Who makes ABCL635?

ABCL635 is being developed by AbCellera Biologics Inc., a biotechnology company traded on the Nasdaq under the ticker symbol ABCL. The company is conducting clinical trials to evaluate the safety and efficacy of this investigational therapy.

What phase is ABCL635 in?

ABCL635 is in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by the FDA or any other regulatory agency and is still undergoing clinical trials to assess its safety and effectiveness.

What clinical trials is ABCL635 in?

ABCL635 is being evaluated in a Phase 1 clinical trial registered as NCT07118891. This randomized, double-blind, placebo-controlled study is assessing the drug in 136 participants, including healthy volunteers and individuals with vasomotor symptoms associated with menopause, at sites in Canada.

Is ABCL635 being studied in healthy volunteers?

Yes, the Phase 1 clinical trial of ABCL635 (NCT07118891) includes healthy volunteers as well as participants with vasomotor symptoms associated with menopause. The study is enrolling adults aged 40 years and older and is currently active but not recruiting participants.