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Study identifier: NCT07318597 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Study of REGN13335 in Adult Participants With Pulmonary Arterial Hypertension (PAH)

Condition: Pulmonary Arterial Hypertension (PAH)  ·  Sponsor: Regeneron Pharmaceuticals

PhasePhase 2
Planned participants99
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This study is researching an experimental drug called REGN13335. The study is focused on participants with Pulmonary Arterial Hypertension (PAH). The aim of the study is to see how safe and effective REGN13335 is in participants with PAH who are taking other PAH medicines. The study is looking at several other research questions, including: * What side effects may happen from taking REGN13335 * How much REGN13335 is in the blood at different times * Whether the body makes antibodies against REGN13335 (which could make REGN13335 less effective or could lead to side effects)

This description comes directly from the study's public registry record.

Talk to the study team

Clinical Trials Administrator  ·  844-734-6643  ·  clinicaltrials@regeneron.com

Always discuss trial participation with your own doctor first.

Locations (24)

University of Colorado DenverAurora, Colorado, United StatesRecruiting
Mater Misericordiae LtdSouth Brisbane, Queensland, AustraliaRecruiting
Royal Hobart HospitalHobart, Tasmania, AustraliaRecruiting
UZ LeuvenLeuven, Vlaams-Brabant, BelgiumRecruiting
H.U.B. Erasme HospitalBrussels, BelgiumRecruiting
Hopital BicetreLe Kremlin-Bicêtre, FranceRecruiting
Universitatsklinikum HalleHalle, Saxony-Anhalt, GermanyRecruiting
Clinic of University GreifswaldGreifswald, GermanyRecruiting
Universitatsmedizin MainzMainz, GermanyRecruiting
P. Stradins Clinical University hospitalRiga, LatviaRecruiting
University Clinical Hospital in Poznan - Early Phase UnitPoznan, Greater Poland Voivodeship, PolandRecruiting
University Hospital in BialystokBialystok, Podlaskie Voivodeship, PolandRecruiting

+ 12 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT07318597