- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04592692
A Pharmacokinetic and Clotting Activity Study of FVIII-PEGLip
A Pharmacokinetic and Clotting Activity Study of FVIII-PEGLip Administered Intravenously to Severe Haemophilia A Patients With and Without Inhibitors to FVIII
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is an open-label multicenter trial for patients with severe haemophilia A with inhibitors to FVIII and without inhibitors as control. The trial consists of 4 periods: Screening, Stage A, Stage B and Safety Follow-up.
After signing informed consent, patients are assessed for eligibility during a Screening period lasting up to 21 days.
All eligible patients enter Stage A - Regimen estimation. The non-inhibitor patients receive a single IV injection at a dose of 35 IU/kg FVIII reconstituted with Water For Injection. Following a 4-day wash-out period, these patients as well as patients with inhibitors receive a single IV injection of FVIII-PEGLip at a dose of 35 IU/kg FVIII + PEGLip 22 mg/kg to determine the duration of haemostatic cover and therefore required injection frequency to prevent bleeds.
Stage B - multiple dosing: all patients receive injections of FVIII-PEGLip for 6 weeks at a frequency determined in Stage A for each individual patient.
Safety follow-up: 15 and 30 days after the last injection of FVIII-PEGLip, patients are contacted for any adverse events or bleeding episodes.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Sam Yurdakul
- Phone Number: +44(0)2072915400
- Email: sam.yurdakul@ascension.co.uk
Study Locations
-
-
-
Kemerovo, Russian Federation
- Recruiting
- Kemerovo District Clinical Hospital
-
Contact:
- Kosinova
-
Kirov, Russian Federation
- Recruiting
- Kirov Scientific Research Institute of Hematology and Blood Transfusion
-
Contact:
- Timofeeva
-
Moscow, Russian Federation
- Recruiting
- National Medical Research Centre of Hematology
-
Contact:
- Zozulia
-
Novosibirsk, Russian Federation
- Recruiting
- Novosibirsk State Medical University, Novosibirsk City Haematology Center
-
Contact:
- Pospelova
-
Samara, Russian Federation
- Recruiting
- Samara State Medical University
-
Contact:
- Kurtov
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male adult patients aged 18 to 60 years;
- Severe Haemophilia A (FVIII plasma level <1IU/dL) with documented history of bleeds (for at least 6 months prior to enrolment);
- For patients without inhibitors: inhibitor titre < 0,6 Bethesda units and no medi-cal history of inhibitors;
- For patients with inhibitors: inhibitor titre ≥0,6 Bethesda units or documented medical history of inhibitors titre ≥0,6 Bethesda units;
- Adequate hematologic function, defined as platelet count ≥ 100,000/μL and hemoglobin ≥ 8 g/dL (≥ 4.97 mmol/L) at the time of screening;
- Adequate hepatic function, defined as total bilirubin ≤ 1.5 × the upper limit of normal (ULN) (excluding Gilbert's syndrome) and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 3 ×ULN at the time of screening; no clinical signs or known laboratory/radiographic evidence consistent with cirrho-sis;
- Adequate renal function, defined as serum creatinine ≤ 2.5 × ULN and creati-nine clearance by Cockcroft-Gault formula ≥ 30 mL/min;
- Patient's written informed consent, confirming his willingness to comply with the requirements of this protocol.
Exclusion Criteria:
- Low platelet counts (<100000 / μl);
- Congenital or acquired bleeding defects (including acquired hemophilia) other than Hemophilia A;
- Abnormal renal function (serum creatinine concentrations greater than 1.3 mg/dL);
- Active hepatic disease (persistent aspartate aminotransferase [AST] or alanine aminotransferase [ALT] increases to greater than five times the upper limit of normal);
- A history of severe adverse reactions to blood products and/or plasma derived FVIII concentrates or liposomes, or PEG, or Nuwiq;
- A history of allergic reactions to bypassing agents;
- Any concomitant immunological disease (e.g. autoimmune chronic active hepati-tis, autoimmune thrombocytopenic purpura or Immune Thrombocytopenic Pur-pura (ITP), lupus, Multiple Sclerosis (MS));
- Patients receiving immunosuppressive treatment (excluding glucocorticoids);
- Patients receiving therapy with interferon;
- Patients receiving any immune tolerance induction (ITI) therapy at the moment of the screening;
- Any individual with known dyslipidemia disease or actively taking cholesterol lowering drugs for the treatment of hypercholesterolemia or hyperlipidemia (e.g., statins, cholesterol absorption inhibitors, bile acid sequestrates, nicotinic acid or fibrates);
- Intake of NSAIDs (except COX-2 inhibitors), acetylsalicylic acid (Aspirin) or any other antiplatelet agents, opioids.;
- Patients who have participated in another Clinical Trial (including medical device studies) within the past 60 days;
- Concurrent disease, treatment, or abnormality in clinical laboratory tests that could interfere with the conduct of the study or that would, in the opinion of the investigator or Sponsor, preclude the patient's safe participation in and completion of the study or interpretation of the study results, according to the Investigator.
- For patients without inhibitors - a history of demonstrating long half-lives for FVIII.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Inhibitors
Patients with inhibitors to FVIII
|
Intravenous co-administration of PEGLip with Simoctocog alfa
Other Names:
|
Other: Non-inhibitors
Patients without inhibitors to FVIII
|
Intravenous co-administration of PEGLip with Simoctocog alfa
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clotting activity based on ROTEM [single dose]
Time Frame: 7 days
|
Clotting profile of single IV injection of FVIII-PEGLip based on key ROTEM parameters (CT+CFT) determined at 0 hours (pre-injection) and at 20 min, 1, 2, 4, 8, 24, 48, 72, 96, 120, 144 and 168 hours after injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
7 days
|
Clotting activity based on FVIII:C concentration [single dose]
Time Frame: 7 days
|
Clotting profile of single IV injection of FVIII-PEGLip based on FVIII:C plasma assay measured at 0 hours (pre-injection) and at 20 min, 1, 2, 4, 8, 24, 48, 72, 96, 120, 144 and 168 hours after injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
7 days
|
Clotting activity based on ROTEM [multiple dose]
Time Frame: 6 weeks
|
Dynamics of blood clotting activity as quantified by key ROTEM parameters (CT+CFT) measured before and 20 minutes after each injection of FVIII-PEGLip at weeks 2, 4 and 6 of 6-week multiple dosing of FVIII-PEGLip in severe Haemophilia A patients with inhibitors and patients without inhibitors.
|
6 weeks
|
Bleed frequency
Time Frame: 6 weeks
|
Frequency of spontaneous bleeding episodes and average length (days) of bleeding-free periods
|
6 weeks
|
Area under the concentration-time curve (AUC) of FVIII:C (FVIII-PEGLip) [single dose]
Time Frame: 7 days
|
AUC0-∞ of FVIII:C after single IV FVIII-PEGLip injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
7 days
|
Area under the concentration-time curve (AUC) of FVIII:C (FVIII-WFI) [single dose]
Time Frame: 4 days
|
AUC0-∞ of FVIII:C after single IV FVIII-WFI injection in severe Haemophilia A patients without inhibitors
|
4 days
|
Maximum plasma concentration (Cmax) of FVIII:C (FVIII-PEGLip) [single dose]
Time Frame: 7 days
|
Cmax of FVIII:C after single IV FVIII-PEGLip injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
7 days
|
Maximum plasma concentration (Cmax) of FVIII:C (FVIII-WFI) [single dose]
Time Frame: 4 days
|
Cmax of FVIII:C after single IV FVIII-WFI injection in severe Haemophilia A patients without inhibitors
|
4 days
|
Time to reaching maximum plasma concentration (Tmax) of FVIII:C (FVIII-PEGLip) [single dose]
Time Frame: 7 days
|
Tmax of FVIII:C after single IV FVIII-PEGLip injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
7 days
|
Time to reaching maximum plasma concentration (Tmax) of FVIII:C (FVIII-WFI) [single dose]
Time Frame: 4 days
|
Tmax of FVIII:C after single IV FVIII-WFI injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
4 days
|
Half-life (t1/2) of FVIII:C (FVIII-PEGLip) [single dose]
Time Frame: 7 days
|
T1/2 of FVIII:C after single IV FVIII-PEGLip injection in severe Haemophilia A patients with inhibitors and in patients without inhibitors
|
7 days
|
Half-life (t1/2) of FVIII:C (FVIII-WFI)
Time Frame: 4 days
|
T1/2 of FVIII:C after single IV FVIII-WFI injection in severe Haemophilia A patients without inhibitors
|
4 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Inhibitor titres
Time Frame: Approximately 12 weeks
|
Individual changes of inhibitor titres from baseline measurement to 168 hours after single IV injection of FVIII-PEGLip and at weeks 2, 4, and 6 of 6-week FVIII-PEGLip multiple dosing period
|
Approximately 12 weeks
|
Area under the concentration-time curve (AUC) of PEGLip [single dose]
Time Frame: 7 days
|
AUC0-∞ of PEGLip determined at 0 hours (pre-injection) and at 20 min, 1, 2, 4, 8, 24, 48, 72, 96, 120, 144 and 168 hours after single IV injection of FVIII-PEGLip
|
7 days
|
Maximum plasma concentration (Cmax) of PEGLip [single dose]
Time Frame: 7 days
|
Cmax of PEGLip determined at 0 hours (pre-injection) and at 20 min, 1, 2, 4, 8, 24, 48, 72, 96, 120, 144 and 168 hours after single IV injection of FVIII-PEGLip
|
7 days
|
Time to reaching maximum plasma concentration (Tmax) of PEGLip [single dose]
Time Frame: 7 days
|
Tmax of PEGLip determined at 0 hours (pre-injection) and at 20 min, 1, 2, 4, 8, 24, 48, 72, 96, 120, 144 and 168 hours after single IV injection of FVIII-PEGLip
|
7 days
|
Half-life (t1/2) of PEGLip [single dose]
Time Frame: 7 days
|
t1/2 of PEGLip determined at 0 hours (pre-injection) and at 20 min, 1, 2, 4, 8, 24, 48, 72, 96, 120, 144 and 168 hours after single IV injection of FVIII-PEGLip
|
7 days
|
PEGLip concentration [multiple dose]
Time Frame: 6 weeks
|
PEGLip concentration measured before and 20 minutes after each injection of FVIII-PEGLip at weeks 2, 4 and 6 of 6-week multiple dosing of FVIII-PEGLip
|
6 weeks
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adverse events
Time Frame: Approximately 12 weeks
|
Adverse events / Serious Adverse Events developed in the course of the study
|
Approximately 12 weeks
|
Collaborators and Investigators
Investigators
- Study Director: Sam Yurdakul, Ascension Healthcare
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CL-SelectAte-II-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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