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JRCT ID: jRCT2031260095

Registered date:28/04/2026

REGN7508 in Adult Participants for Prevention of Cancer-Associated Thrombosis

Basic Information

Recruitment status Pending
Health condition(s) or Problem(s) studiedCancer-Associated Thrombosis (CAT)
Date of first enrollment31/07/2026
Target sample size86
Countries of recruitmentBrazil,Japan,Germany,Japan,Poland,Japan,United Kingdom,Japan,France,Japan,Belgium,Japan,Spain,Japan,Roumania,Japan,Georgia,Japan,Turkey,Japan,Czech Republic,Japan,Bulgaria,Japan,Australia,Japan,South Korea,Japan,Taiwan,Japan,United States,Japan,Canada,Japan
Study typeInterventional
Intervention(s)-Drug: REGN7508 Administered per the protocol -Drug: Placebo Administered per the protocol

Outcome(s)

Primary Outcome-Time-to-first event of centrally adjudicated VTE [Deep Vein Thrombosis (DVT), non-fatal Pulmonary Embolism (PE) or Arterial thromboembolism (ATE), or thromboembolism- or ATE-related death] -Time-to-first event of centrally adjudicated International Society of Thrombosis and Hemostasis (ISTH) major bleeding or Clinically Relevant Non-Major (CRNM) bleeding
Secondary Outcome-Time-to-first event of DVT (symptomatic or asymptomatic [proximal]) -Time-to-first event of non-fatal PE (symptomatic or asymptomatic) -Time-to-first event of any ATE -Time-to-first event of thromboembolism- or ATE-related death -Occurrence of Treatment-Emergent Adverse Events (TEAEs) -Severity of TEAEs -Incidence of Anti-Drug Antibody (ADA) to REGN7508 -Magnitude of ADA to REGN7508

Key inclusion & exclusion criteria

Age minimum>= 18age old
Age maximumNot applicable
GenderBoth
Include criteria1.Has a histologically confirmed diagnosis of malignant solid tumors which are locally advanced or metastatic as described in the protocol 2.Has a Khorana thromboembolic risk score >=2 at the time of screening or harbors a somatic documented tumor genetic variant known to be associated with an increased risk of VTE as described in the protocol 3.Has an Eastern Cooperative Oncology Group (ECOG) Performance Status 0 to 2 at the time of screening and day 1 prior to the first dose of study intervention Note: Other Protocol Defined Inclusion Criteria Apply
Exclude criteria1.Has known bleeding conditions (eg, Hemophilia A or B, von Willebrand's disease), hemorrhagic tumor sites, or other conditions with a high risk for bleeding (eg, hepatic disease associated with coagulopathy) 2.Has a cancer diagnosis consisting solely of basal cell or squamous cell skin carcinoma 3.Has a primary brain tumor or brain metastases as described in the protocol 4.Has a history of objective evidence of VTE or ATE, including incidental VTE identified by diagnostic imaging requiring anticoagulation 5.Has any condition that, as judged by the investigator, may confound the results of the study or would place the participant at increased risk of harm if he/she participated in the study Note: Other Protocol Defined Exclusion Criteria Apply

Related Information

Contact

Public contact
Name Regeneron Japan Contact for Clinical Trial
Address Toranomon Hills Station Tower 18F, 2-6-1 Toranomon, Minato-ku, Tokyo Tokyo Japan 105-5518
Telephone +81-3-6630-7478
E-mail Clinicaltrial-sciences@regeneron.com
Affiliation Regeneron Japan KK
Scientific contact
Name Hyoe Inomata
Address Toranomon Hills Station Tower 18F, 2-6-1 Toranomon, Minato-ku, Tokyo Tokyo Japan 105-5518
Telephone +81-3-6630-7478
E-mail Clinicaltrial-sciences@regeneron.com
Affiliation Regeneron Japan KK