A Single Ascending Dose Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of CITY-FXI in Healthy Adults and Adults With FV Leiden or Prothrombin G20210A Mutation
Recruiting
Phase 1Interventional Study
Factor V LeidenProthrombin G20210A
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
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At a Glance
Age
18 – 60
Sex
Any
Trial phase
Phase 1
Study type
Interventional
Purpose
Treatment
Participants needed
128 (estimated)
Sponsor
City Therapeutics · Industry
Who this trial is looking for
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This is a first-in-human (FIH), single-center, randomised, double-blind, placebo-controlled, single ascending dose (SAD) study evaluating the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of CITY-FXI in healthy adults and adults with Factor V Leiden (FVL) or prothrombin G20210A mutation.
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Eligibility Criteria
Inclusion Criteria:
* Males and women of non-childbearing potential (WONCBP) aged 18 to 45 years (Part A only)
* Male and female participants aged 18 to 60 (Part B only)
* Body Mass Index (BMI) between 18 and 25 kg/m2 (inclusive) and a minimum weight of 50 kg
* Ability and willingness to comply ful…
Inclusion Criteria:
* Males and women of non-childbearing potential (WONCBP) aged 18 to 45 years (Part A only)
* Male and female participants aged 18 to 60 (Part B only)
* Body Mass Index (BMI) between 18 and 25 kg/m2 (inclusive) and a minimum weight of 50 kg
* Ability and willingness to comply fully with all study procedures and lifestyle considerations
* Confirmed diagnosis of FVL or prothrombin G20210A mutation via genetic testing (Part B only)
* Women of childbearing potential (WOCBP) must agree to use acceptable highly effective contraceptive methods (Part B only)
Exclusion Criteria:
* Any clinically significant systemic disease or disorder, including but not limited to cardiovascular, hepatic, or oncological conditions
* History or evidence of any bleeding disorders
* History of clinically significant spontaneous bleeding
* Prior treatment with an investigational agent
* Confirmed diagnosis of homozygous mutations, or combined thrombophilic defects of (Part B only)
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