Clinical trials · California
Pulmonary Arterial Hypertension clinical trials in California
We’re tracking 25 recruiting pulmonary arterial hypertension studies with a site in California — including Phase 1, Phase 1/Phase 2, Phase 2, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies in California
- NCT07481981RecruitingPhase 3
Study of once-daily inhaled TPIP for pulmonary arterial hypertension
This trial tests an inhaled medication (TPIP) that opens blood vessels in the lungs to help you breathe easier and be more active. It is for people with PAH who are already on stable treatment and have moderate symptoms.
Los Angeles, CaliforniaAges 18–75 - NCT07365332RecruitingPhase 3
IKT-001 for pulmonary arterial hypertension
This study tests a new medicine called IKT-001 for people with pulmonary arterial hypertension (PAH). It aims to see if IKT-001 helps improve exercise ability and other symptoms when added to current PAH therapies.
Beverly Hills, CaliforniaAges 18–75 - NCT02249923Recruiting
Children with pulmonary hypertension registry in Spanish or English
This registry study collects information from children and families affected by pulmonary hypertension to better understand the condition. It may help researchers track outcomes over time and improve future care.
San Francisco, CaliforniaAges 1 day–21 years - NCT07175038RecruitingPhase 2
Study of a new pill for pulmonary hypertension
This study tests a new pill, ROC-101, for people with pulmonary hypertension (high blood pressure in the lungs). It aims to see if the pill can improve symptoms and daily function.
Rancho Cordova, CaliforniaAges 18–80 - NCT06911632Recruiting
AI-assisted check for pulmonary hypertension in interstitial lung disease
This study uses an AI tool to help doctors decide if you should be tested for pulmonary hypertension (high blood pressure in the lungs), which can be a complication of interstitial lung disease. If the tool suggests you might have it, you may get an echocardiogram (an ultrasound of the heart) and a right heart catheterization (a test to measure pressure in the heart) to find out for sure.
Riverside, CaliforniaAges 18 years+ - NCT06872112RecruitingPhase 1
Artesunate for pulmonary arterial hypertension safety study
This trial tests if artesunate, a malaria drug, is safe and tolerable for people with pulmonary arterial hypertension (PAH). It may offer a new treatment option for PAH patients whose symptoms persist despite using two or more standard therapies.
Stanford, CaliforniaAges 18–60 - NCT06388421Recruiting
PH-ILD patient registry: tracking real-world outcomes
This study tracks people with both lung scarring and high blood pressure in the lungs (Group 3 PH-ILD) to better understand the disease and how treatments like Tyvaso work in real life. It may help you and your doctor make more informed decisions about your care.
Sacramento, CaliforniaAges 18 years+ - NCT04555161Recruiting
Test of an implanted device for pulmonary arterial hypertension
This trial studies an implanted system (the Aria CV Pulmonary Hypertension System) to treat pulmonary arterial hypertension, a serious lung-blood vessel and heart condition. It aims to see whether the device can improve outcomes for people who are still sick despite existing PH medicines.
La Jolla, CaliforniaAges 18 years+ - NCT04071327Recruiting
Pulmonary hypertension registry for patient experiences
This trial is a registry that collects health information from people with pulmonary hypertension to better understand the disease and improve care. You may be asked to share details about your diagnosis and visits, especially soon after you start seeing a specialized PH care center.
Santa Barbara, CaliforniaAges birth+ - NCT05587712RecruitingPhase 2
Sotatercept trial for children with pulmonary arterial hypertension
This Phase 2 trial tests sotatercept, a medicine that targets the blood-vessel changes in pulmonary arterial hypertension (PAH), in children. It may help improve how well the heart and lungs work by changing the underlying disease process.
Los Angeles, CaliforniaAges 1–17 - NCT04930289Enrolling by invitation
Lung transplant registry for better donor lung preservation
This study builds a worldwide database to track and improve how donor lungs are preserved before transplant. Your information may help doctors choose and manage donor lungs more effectively.
Stanford, CaliforniaAges Any age - NCT04194632Recruiting
Right heart pacing study for pulmonary hypertension
This study tests whether a temporary pacemaker placed in the right heart chamber can improve heart function in people with pulmonary arterial hypertension. It aims to see if pacing can help the right heart pump more efficiently, potentially reducing symptoms.
San Francisco, CaliforniaAges 18–75 - NCT03683186Enrolling by invitationPhase 3
Long-term study of ralinepag for pulmonary hypertension
This study follows people with pulmonary arterial hypertension (PAH) to see how safe and effective ralinepag is over the long term. It may help your care team understand what to expect from continued treatment and monitoring.
La Jolla, CaliforniaAges 18 years+ - NCT01571700Enrolling by invitation
Study breathing-heart timing differences in pulmonary hypertension
This study looks at timing mismatches (“dysynchrony”) in the heart and lungs in people with pulmonary hypertension. It may help researchers understand what causes symptoms and how the timing affects heart function.
Stanford, CaliforniaAges 5 years+ - NCT04278404Recruiting
Drug safety study for children already on certain medicines
This study measures how certain medicines move through the body and checks their safety in children. It may help doctors better understand dosing and side effects in kids who are already receiving these treatments, or in some kids who recently tested positive for COVID-19.
Los Angeles, CaliforniaAges birth–20 years - NCT06649110RecruitingPhase 1/Phase 2
A study of LTP001 for healthy people and those with PAH
This study tests an investigational medicine called LTP001 for pulmonary arterial hypertension (PAH). Part A checks safety in healthy volunteers, and Part B tests if it helps people with PAH by improving blood flow in the lungs.
Orange, CaliforniaAges 18–100 - NCT06274801RecruitingPhase 3
Long-term study of seralutinib for pulmonary arterial hypertension
This trial is for people with pulmonary arterial hypertension (PAH) who have already completed a previous study of the drug seralutinib. It offers continued access to the treatment so doctors can watch its safety and effects over a longer time.
Fresno, CaliforniaAges 18–75 - NCT07322133RecruitingPhase 4
Comparing two blood pressure medicines for newborns with lung hypertension
This trial compares two medicines (dopamine and norepinephrine) to see which works better for raising blood pressure in newborns who have both low blood pressure and high blood pressure in the lungs. Both medicines are given through a vein to help stabilize your baby's blood pressure.
Sacramento, CaliforniaAges Up to 4 weeks - NCT07473700RecruitingPhase 2
Study of TX000045 for lung scarring and high blood pressure in the lungs
This trial tests a new medicine called TX000045 for people who have both lung scarring (interstitial lung disease) and high blood pressure in the lungs (pulmonary hypertension). It aims to see if the drug can help improve breathing and daily function.
San Francisco, CaliforniaAges 18–80 - NCT07179380RecruitingPhase 3
Inhaled treprostinil for pulmonary hypertension related to interstitial lung disease
This study tests an inhaled powder medication called TPIP (treprostinil palmitil inhalation powder) to see if it can improve symptoms and exercise ability in people who have both interstitial lung disease and pulmonary hypertension. The study will compare TPIP against a placebo (a dummy treatment without the active drug) to understand how well it works and if it is safe.
Fresno, CaliforniaAges 18 years+ - NCT07333183RecruitingPhase 2
Mosliciguat plus treprostinil for lung disease with pulmonary hypertension
This trial tests a new medicine called mosliciguat combined with an inhaled treatment (treprostinil) for people who have both scarring lung disease (interstitial lung disease) and high blood pressure in the lungs. It aims to see if this combination can improve how well you feel and function.
Santa Barbara, CaliforniaAges 18–85 - NCT07285655RecruitingPhase 3
Study of L606 for lung disease with high blood pressure in the lungs
This trial tests a new treatment called L606 for people who have both a type of lung disease (ILD) and high blood pressure in the lungs (PH). The goal is to see if it is safe and helps with exercise and breathing.
Los Angeles, CaliforniaAges 18–80 - NCT06129240Recruiting
Study of a new inhaled treprostinil powder for PH-ILD
This study tests a new dry powder inhaled medicine called LIQ861 for people with pulmonary hypertension related to lung scarring (PH-ILD). If you are already taking an inhaled treprostinil treatment but need better control, this trial may help you switch to a potentially easier-to-use version.
Fresno, CaliforniaAges 18–80 - NCT05934487Recruiting
Monitoring device trial for stable heart failure symptoms
This trial tests whether a wearable home monitoring system (myCordella™) can help people with moderate heart failure (NYHA class II or III) by tracking heart pressure and supporting follow-up care. It may help detect changes earlier so clinicians can adjust treatment sooner.
Los Angeles, CaliforniaAges 18 years+
Pulmonary Arterial Hypertension trials by city in California
Where these studies are running in California
Institutions with a site for the recruiting pulmonary arterial hypertension studies listed above.
- UC Davis Health · 3 studies
- UCSF Medical Center · 3 studies
- University of California, San Francisco · 3 studies
- Stanford Health Care · 2 studies
- Stanford University · 2 studies
- University of California, Irvine · 2 studies
- Cedars Sinai
- Cedars-Sinai Medical Center
What taking part in a pulmonary arterial hypertension study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Pulmonary Arterial Hypertension trials in other states
Common questions
- Are there pulmonary arterial hypertension clinical trials in California?
- Yes. We're currently tracking 25 recruiting pulmonary arterial hypertension studies with a site in California, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a pulmonary arterial hypertension study in California?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in California to take part?
- Not necessarily. These studies have a site in California, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a pulmonary arterial hypertension trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New pulmonary arterial hypertension studies open in California regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.