The purpose of this study is to evaluate the safety, effectiveness, and biological activity (how the investigational medication is processed by the body) of pegcetacoplan in 12-17 year-olds (adolescents) who have paroxysmal nocturnal hemoglobinuria (PNH).
This is an open-label study to evaluate pegcetacoplan in people with PNH who are 12-17 years old. The study will consist of a 4-week screening period followed by a 16-week treatment period. Participants switching from a C5 inhibitor will have an additional 4 week run-in period between the screening and treatment periods. At the completion of the study treatment period, participants will either enter a long-term extension period or a 2-month follow-up period. All eligible study participants will receive pegcetacoplan, administered via subcutaneous infusion twice a week at home. The subcutaneous infusion requires two small needles to be inserted into the fatty layer of tissue under the skin and the investigational medication will flow into the body. Study participants and/or caregivers will be trained on home administration of pegcetacoplan.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
12
Complement (C3) inhibitor
Children's Hospital of Atlanta
Atlanta, Georgia, United States
RECRUITINGMotol University Hospital
Prague, Czechia
COMPLETEDPegcetacoplan serum concentrations over the course of the 16-week treatment period
Time frame: 16 weeks
Change from baseline to Wk 16 in hemoglobin (Hb)
Time frame: 16 weeks
Incidence and severity of treatment-emergent adverse events (TEAEs) over the course of the 16-week treatment period, including monitoring bacterial infections
Time frame: 16 weeks
Change from baseline to wk 16 lactate dehydrogenase (LDH)
Time frame: 16 weeks
Change from baseline to wk 16 absolute reticulocyte count (ARC)
Time frame: 16 weeks
Change from baseline from week 16 to week 52 of C3 deposition on RBC cells
Time frame: Week 16-52
Incidence of thromboembolic events (major adverse vascular events [MAVE]) over the course of the 16-week treatment period and over 52 weeks of treatment with pegcetacoplan
Time frame: 52 weeks
Occurrence of breakthrough hemolysis over 16 and 52 weeks of treatment with pegcetacoplan
Time frame: Week 16-52
Change from baseline to Week 52, and from Week 16 to Week 52 , in Hb
Time frame: Week 16-52
Change from baseline to Week 16 and to Week 52 in Health-Related Quality of Life (HRQOL) assessments
Time frame: Week 16-52
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Robert-Debré Hospital Paris
Paris, France
NOT_YET_RECRUITINGHospital Ampang
Ampang, Malaysia
RECRUITINGRadboud University Hospital Nijmegen
Nijmegen, Netherlands
COMPLETEDUniversity Medical Center Utrecht
Utrecht, Netherlands
RECRUITINGUniversity Children's Hospital
Belgrade, Serbia
RECRUITINGUniversity Hospital Vall d'Hebron
Barcelona, Spain
RECRUITINGUniversity Hospital 12 de Octubre
Madrid, Spain
RECRUITINGPhramongkutklao Hospital and College of Medicine
Bangkok, Thailand
RECRUITING...and 2 more locations
Number of packed red blood cell (PRBC) units
Time frame: Week 16-52
Total units (mL/kg) transfused over 16 and 52 weeks of treatment with pegcetacoplan
Time frame: Week 16-52
Change from baseline to Week 52, and from Week 16 to Week 52, in LDH
Time frame: Week 16-52
Change from baseline to Week 52, and from Week 16 to Week 52 ARC
Time frame: Week 16-52