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Study of Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Intravenous and Subcutaneous Single and Repeated Doses of SAR441344 in Healthy Adult Subjects

Phase 1
Completed
Conditions
Healthy Volunteers
Interventions
Drug: placebo
Biological: Keyhole limpet hemocyanin
Registration Number
NCT05845996
Lead Sponsor
Sanofi
Brief Summary

Primary Objective is the tolerability and safety of ascending single and repeated intravenous infusion (IV) and/or subcutaneous (SC) administration of SAR441344

Detailed Description

The study duration of Part 1 is approximately 22 weeks, including a treatment period of 1 day; The study duration of Part 2 is approximately 26 weeks for each subject, including a treatment period of 29 days.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
56
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
SAR441344Keyhole limpet hemocyaninSingle or multiple Ascending dose of SAR441344 Dose 1 administered intravenously and/or subcutaneously
placeboKeyhole limpet hemocyaninmatching placebo
placeboplacebomatching placebo
SAR441344SAR441344Single or multiple Ascending dose of SAR441344 Dose 1 administered intravenously and/or subcutaneously
Primary Outcome Measures
NameTimeMethod
Part 1: Number of participants with adverse event(AE)From baseline to day 127

Number of participants with AE from baseline to day 127

Part 2: Number of participants with adverse event (AE)From baseline to day 155

Number of participants with AE from baseline to day 155

Secondary Outcome Measures
NameTimeMethod
Assessment of PK parameter: CmaxFrom Day 1 to Day 127 and to Day 155

Maximum plasma concentration (Cmax) observed

Assessment of PK parameter: AUC0-tauFrom day 1 to Day 155

Area under the plasma concentration versus time curve calculated using the trapezoidal method over the dosing interval (336 hours)

Assessment of PK parameter: t1/2zFrom Day 1 to Day 127 and Day 155

Terminal half-life associated with the terminal slope (λz)

Assessment of PK parameter: AUClastFrom Day 1 to Day 127

Area under the plasma concentration versus time curve from time zero to the real time

Assessment of anti-KLH IgG and IgMFrom Day 1 to Day 127 and Day 155

Measurement of anti-KLH IgG and IgM levels in response to KLH immunization

Assessment of PK parameter: AUCArea under the plasma concentration versus time curve extrapolated to infinity

From Day 1 to Day 127

Assessment of PK parameter: CL(/F)Apparent total body clearance of a drug from the plasma

From Day 1 to Day 127

Assessment of PK parameter: CLss(/F)Apparent total body clearance of a drug from the plasma

From day 1 to Day 155

AE attributed to KLH immunizationFrom Day 1 to Day 127 and Day 155

Number of participants with AE attributed to KLH immunization

Assessment of PK parameter: tmaxFrom Day 1 to Day 127 and Day 155

First time to reach Cmax (tmax)

Assessment of PK parameter: CtroughFrom Day 1 to Day 155

Plasma concentration observed just before treatment administration during repeated dosing

Anti-SAR441344 antibodiesFrom Day 1 to Day 127 and Day 155

Number of subjects with treatment emergent anti-drug antibody formation

Trial Locations

Locations (1)

PPD-Site Number:8400001

🇺🇸

Austin, Texas, United States

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