Long-term Safety and Tolerability of Iptacopan in Patients With Paroxysmal Nocturnal Hemoglobinuria
Paroxysmal nocturnal haemoglobinuria (PNH) is a rare blood disorder where the body's immune defence system mistakenly attacks and breaks down red blood cells. This study is an 'extension trial' testing a targeted oral medicine called iptacopan. The trial is specifically for adults who have already taken part in an earlier research study of iptacopan and are benefiting from it. The goal is to see how safe the medicine is and how well it continues to work over a longer period. Because this is an open-label study, there is no dummy pill (placebo); everyone enrolled will receive iptacopan. Doctors will keep a close eye on participants through regular health checks and blood tests to watch for side effects and ensure their blood counts stay stable.
Em resumo
Sobre o que é este estudo?
Paroxysmal nocturnal haemoglobinuria (PNH) is a rare, lifelong condition affecting the blood. In a healthy body, red blood cells have a natural protective shield that stops the immune system from harming them. In people with PNH, this shield is missing. As a result, part of the immune system attacks and breaks down red blood cells too quickly. This can cause severe tiredness, anaemia, dark urine, and an increased risk of dangerous blood clots.
Iptacopan is a newer medicine taken by mouth as a capsule. It works by gently blocking the specific part of the immune system that attacks the red blood cells, helping them survive normally. While earlier clinical trials showed very promising results, doctors need to know how well iptacopan works when people take it over many months or years, and whether any new side effects appear over time.
This study is known as an 'extension' or 'roll-over' trial. It provides continued access to iptacopan for patients who have already completed an earlier phase of testing and are doing well on the drug. There is no placebo in this study, meaning every single participant receives the real medicine.
Long-term studies like this are essential. They help scientists and doctors gather clear evidence about the lasting benefits and safety of new treatments, paving the way for better care and improved quality of life for people living with PNH.
Pontos principais
- This study evaluates the long-term safety and benefit of iptacopan for paroxysmal nocturnal haemoglobinuria (PNH).
- It is an extension study only open to people who have already completed an earlier iptacopan clinical trial.
- Every participant receives the real medicine; no one is given a placebo.
- Participants must have specific vaccinations to protect against serious bacterial infections.
- Taking part is completely voluntary, and you can leave the study at any time.
Quem pode ser elegível?
This study is designed for adults aged 18 and older who have a confirmed diagnosis of PNH. However, you can only take part if you have already completed a previous Phase 2 or Phase 3 clinical trial of iptacopan without reducing your dose. Your study doctor must also agree that the medicine is helping you and that your health has been stable on iptacopan alone for at least three months.
Because iptacopan works on your immune system, it can make it harder for your body to fight certain bacteria. For your safety, you must have up-to-date vaccinations against specific infections, including meningitis and pneumonia, before taking part.
You will not be able to join this study if you have had a stem cell or bone marrow transplant, or if you have a history of repeated, severe bacterial infections. You will also be excluded if you currently have an active infection, cancer, or any other serious health issue that could make taking part unsafe.
Este estudo pode ser adequado para você?
Responda a estas perguntas rápidas para ver se você pode ser elegível. Este é apenas um guia — a decisão final é da equipe de pesquisa.
- I am aged 18 or older.
- I have a confirmed diagnosis of paroxysmal nocturnal haemoglobinuria (PNH).
- I have completed a qualifying earlier clinical trial of iptacopan.
- My health has been stable on iptacopan alone for at least three months.
- I have had the required vaccinations against meningitis and pneumonia.
- I have never had a stem cell transplant.
O que envolve a participação?
Taking part involves continuing to take iptacopan capsules by mouth, exactly as directed by your study doctor. You will need to attend regular clinic appointments so the medical team can monitor your health. During these visits, you will have routine blood and urine tests, physical examinations, and check-ins to discuss how you are feeling and whether you have noticed any side effects. Your study team will supply your medication and guide you through each step. The trial will last for an extended period to give you ongoing access to treatment, but you can choose to leave the study at any time.
Riscos e benefícios potenciais
Locations (60)
- City Of Hope National Med CenterCódigo postal verificadoDuarte, Estados Unidos
- City Of HopeCódigo postal verificadoDuarte, Estados Unidos
- USC Norris Cancer CenterCódigo postal verificadoLos Angeles, Estados Unidos
- Univ Cali Irvine ALS NeuromuscularCódigo postal verificadoOrange, Estados Unidos
- Univ of California Irvine (Chao Family Comprehensive Cancer Center)Código postal verificadoOrange, Estados Unidos
- Lakes ResearchCódigo postal verificadoMiami Lakes, United States
- Augusta University GeorgiaCódigo postal verificadoAugusta, Estados Unidos
- Universidade de AugustaCódigo postal verificadoAugusta, Estados Unidos
- Montefiore Medical CenterCódigo postal verificadoThe Bronx, United States
- Fundação Cleveland ClinicCódigo postal verificadoCleveland, Estados Unidos
- Prisma Health UpstateCódigo postal verificadoGreenville, Estados Unidos
- Site de Investigação da NovartisCódigo postal verificadoSanto André, Brazil
Perguntas frequentes
What is an extension study?
An extension study allows people who have finished an earlier trial of a medicine to keep taking it. This helps researchers see how safe and effective the treatment is over a longer time.
Will I receive a placebo (dummy pill)?
No. In this trial, every participant receives iptacopan. There is no placebo group.
Can any patient with PNH join this study?
No. This study is only open to people who have already taken part in and completed a specific earlier trial testing iptacopan.
Why do I need vaccinations before taking part?
Iptacopan calms a part of your immune system that fights off certain bugs. Vaccines against meningitis and pneumonia provide extra protection against serious infections.
What happens if I decide to stop taking part?
You can leave the study at any time for any reason. Your doctor will discuss other treatment options with you to ensure your PNH remains properly managed.
Como saber mais
Sempre consulte seu médico ou especialista antes de decidir participar de um estudo.
Discussão
Discussão da comunidade
Desenvolvido pelo nosso fórum em community.patient.info. Por favor, seja respeitoso — isto não é um conselho médico.