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SerpinPC

Phase 1

Hemophilia a | Small molecule | Hematology |Centessa Pharmaceuticals plc|Last Updated: Feb 6, 2025

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDBiomarker
Total Trials1
Total Enrollment39

FDA Designations

FAST_TRACK

Clinical trial landscape

SerpinPC · 1 trial · 2 indications

Phase 1 1
NCT04073498The Safety and Tolerability of SerpinPC in Healthy Men and in Men with Severe Blood Disorders (haemophilia a and B)Hemophilia a
COMPLETED39 Analytics
PHASE1COMPLETED
The Safety and Tolerability of SerpinPC in Healthy Men and in Men with Severe Blood Disorders (haemophilia a and B)
Hemophilia aUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
From Day 1 up to 74 weeks

Number of Participants with One or More Drug Related Adverse Events (AEs) or any Serious AEs

Secondary Endpoints

PK of SerpinPC in plasma after single dose administration - Cmax
From Day 1 up to 26 weeks
PK of SerpinPC in plasma after single dose administration - Tmax
From Day 1 up to 26 weeks
PK of SerpinPC in plasma after single dose administration - kel
From Day 1 up to 26 weeks
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingSINGLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part 1a - Cohort 1EXPERIMENTALA single IV infusion of 0.0003 mg/kg SerpinPC in healthy subjects.
Part 1a - Cohort 2EXPERIMENTALA single IV infusion of 0.001 mg/kg SerpinPC in healthy subjects.
Part 1a - Cohort 3EXPERIMENTALA single IV infusion of 0.003 mg/kg SerpinPC in healthy subjects.
Part 1a - Cohort 4EXPERIMENTALA single IV infusion of 0.01 mg/kg SerpinPC in healthy subjects.
Part 1a - Cohort 5EXPERIMENTALA single SC dose of 0.03 mg/kg SerpinPC and a single SC dose of placebo in healthy subjects.
Part 1b - Cohort 6EXPERIMENTALA single SC dose of 0.1 mg/kg SerpinPC and a single SC dose of placebo in patients.
Part 1b - Cohort 7EXPERIMENTALA single SC dose of 0.3 mg/kg SerpinPC and a single SC dose of placebo in patients.
Part 1b - Cohort 8EXPERIMENTALA single SC dose of 0.6 mg/kg SerpinPC and a single SC dose of placebo in patients.
Part 1b - Cohort 9EXPERIMENTALTwo single SC doses of 0.6 mg/kg SerpinPC in patients.
Part 2EXPERIMENTALUp to 3 SC doses may be selected for Part 2 and each patient will be assigned a single SerpinPC dose level (and placebo). The dose for Part 2 will be determined from ongoing review of the Part 1 data. The dose in Part will not exceed 1.2 mg/kg, or the highest dose deemed safe from Part 1b.
Part 3EXPERIMENTALA single flat SC dose of SerpinPC will be administered every 4 weeks for 48 weeks for patients who have completed Week 24 of Part 2. The dose level will be chosen after reviewing Part 2 data and will not exceed maximum dose level in Part 2.
Part 4EXPERIMENTALSC doses of 1.2 mg/kg SerpinPC will be administered every 2 weeks for 24 weeks for patients who have completed Week 48 of Part 3.
Part 5EXPERIMENTALSC doses of 1.2 mg/kg SerpinPC will be administered every 2 weeks for 52 weeks for patients who have completed Week 24 of Part 4.
Part 6EXPERIMENTALA single flat SC dose of 60mg SerpinPC will be administered every 2 weeks for 52 weeks for patients who have completed Week 52 of Part 5.

Interventions

NameTypeDescription
SerpinPCDRUGAdministered as IV infusion (over 30 minutes) or SC injection (abdomen) according to cohort dosing instructions.
PlaceboDRUGMatching placebo administered by SC injection according to cohort dosing instructions.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexMALE
Healthy VolunteersYes
Study Sites3

Inclusion Criteria: Part 1a (Healthy Subjects) 1. Males age ≥18 years and ≤55 years. 2. Capable of giving written informed consent to participate after reading the information and consent form, and after having the opportunity to discuss the trial with the investigator or delegate. 3. Willingness ...

Countries:GeorgiaMoldovaUnited Kingdom
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Frequently asked questions about SerpinPC

What is SerpinPC used for?

SerpinPC is an investigational small molecule being developed for hemophilia A, a bleeding disorder. It is a Phase 1 investigational drug, meaning it is still in clinical development and not yet approved. It has been studied in men with severe hemophilia A and B.

Who makes SerpinPC?

SerpinPC is being developed by Centessa Pharmaceuticals plc, a biopharmaceutical company. The company's ticker symbol is CNTA. The drug is currently in Phase 1 clinical development for hemophilia A.

What phase is SerpinPC in?

SerpinPC is in Phase 1 clinical development. It has completed one Phase 1 trial, which was a controlled study in healthy men and men with severe hemophilia A or B. The drug is investigational and not yet approved by regulatory authorities.

What clinical trials is SerpinPC in?

SerpinPC has been studied in one completed Phase 1 clinical trial, NCT04073498. This trial evaluated the safety and tolerability of SerpinPC in healthy men and in men with severe hemophilia A and B. The trial enrolled 39 participants and was conducted in Georgia, Moldova, and the United Kingdom.

Is SerpinPC FDA approved?

SerpinPC is not FDA approved. It is an investigational drug currently in Phase 1 clinical development. The FDA has granted it Fast Track designation, which is intended to facilitate development and expedite review, but approval has not been granted.