Clinical trials · Los Angeles, CA
Down Syndrome clinical trials in Los Angeles
We’re tracking 175 recruiting down syndrome studies with a site in or near Los Angeles — including Phase 1, Phase 1/Phase 2, Phase 2, Phase 2/Phase 3 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near Los Angeles
- NCT05066217RecruitingPhase 3
Study tests clemizole for Lennox-Gastaut seizures
This Phase 3 trial studies whether clemizole helps reduce seizures in people with Lennox-Gastaut syndrome (LGS) and checks safety. If you have LGS and meet the seizure and heart-safety requirements, this could be an option to explore.
Orange, CaliforniaAges 2–55 - NCT07391605RecruitingPhase 2
Descartes-08 for treatment-resistant myositis
This trial tests a new treatment called Descartes-08 for people with dermatomyositis or antisynthetase syndrome whose disease hasn't responded well to standard therapies. It aims to see if this treatment can help control muscle and skin symptoms.
Orange, CaliforniaAges 18 years+ - NCT04978571Recruiting
Electrical nerve stimulation for long-lasting concussion symptoms
This study tests whether a device that delivers gentle electrical signals to nerves through the skin can help children and teens with concussion symptoms that have lasted at least 3 months. You may be asked to attend clinic visits for the nerve stimulation setup if you meet the safety and scheduling requirements.
Orange, CaliforniaAges 11–18 - NCT06371417RecruitingPhase 1
Testing RAY121 for several immune diseases (RAINBOW trial)
This trial tests a new medicine called RAY121 (an antibody) for people with certain autoimmune diseases. It aims to see if RAY121 is safe and how the body handles it. If you have one of these conditions and meet the basic health requirements, you might be able to join.
Orange, CaliforniaAges 18–85 - NCT06577441RecruitingPhase 2
Adding enasidenib to usual care for higher-risk MDS with IDH2 mutation
This trial tests whether adding enasidenib (a targeted pill) to the standard chemotherapy (cedazuridine-decitabine) works better than the chemotherapy alone for people with higher-risk myelodysplastic syndrome (MDS) whose cells have a specific change in the IDH2 gene.
Orange, CaliforniaAges 18 years+ - NCT06679855RecruitingPhase 3
Milrinone to prevent heart problems after PDA closure
This trial tests if giving milrinone before surgery to close a common heart vessel (PDA) can prevent heart issues in premature babies. It may help very premature infants who need surgery for a large PDA.
Orange, CaliforniaAges Up to 3 months - NCT07038200RecruitingPhase 3
Study of Del-brax (AOC 1020) for People with FSHD
This study tests an experimental medicine called Del-brax (AOC 1020) for people with facioscapulohumeral muscular dystrophy (FSHD). The goal is to see if it can help improve muscle strength and slow the disease. You may be able to join if you have a confirmed FSHD diagnosis and can walk at least 10 meters on your own.
Orange, CaliforniaAges 16–70 - NCT07020819RecruitingPhase 3
Study of tanruprubart for people with Guillain-Barré syndrome
This trial tests a new medicine, tanruprubart (also called ANX005), for people with Guillain-Barré syndrome. It aims to see if the drug can help improve recovery when given soon after symptoms start.
Orange, CaliforniaAges 12–85 - NCT06154252RecruitingPhase 2/Phase 3
Study of CABA-201 for active myositis in adults and children
This trial tests a new treatment called CABA-201, which uses your own immune cells modified to attack the overactive cells causing myositis. It is for people with active disease that hasn't improved enough with standard therapies.
Orange, CaliforniaAges 6–75 - NCT06420297Enrolling by invitationPhase 3
Carbetocin nasal spray for Prader-Willi syndrome eating behaviors (open-label extension)
This is a long-term follow-up study for people who completed a previous study of carbetocin nasal spray for hyperphagia (extreme hunger) in Prader-Willi syndrome. The trial gives everyone the study drug openly to see if it continues to help manage eating behaviors over a longer period.
Orange, CaliforniaAges 5–30 - NCT04165109Recruiting
Down syndrome study to test memory and thinking changes
This study enrolls adults with Down syndrome to better understand how thinking and memory develop and change over time. It may help by building a “trial-ready” group and by measuring thinking in a careful, consistent way.
Orange, CaliforniaAges 25–55 - NCT03604835Recruiting
MPS VII monitoring program for patients and caregivers
This trial enrolls people with mucopolysaccharidosis type VII (MPS VII) to track their health over time. It may help your care team better understand how the condition behaves and how monitoring should be done.
Orange, CaliforniaAges Any age - NCT07625579Recruiting
Collaboration for Down Syndrome Progress Research Study
This research study aims to better understand Down syndrome by collecting health information, family history, and sometimes brain imaging or sleep data from children and adults with Down syndrome and their families. The goal is to advance knowledge that could improve health and development for people with Down syndrome.
Orange, CaliforniaAges Any age - NCT06247787RecruitingPhase 1
Imetelstat plus chemo for relapsed leukemia in kids
This trial tests a new drug called imetelstat combined with two chemotherapy drugs (fludarabine and cytarabine) for children and teens with acute myeloid leukemia (AML), myelodysplastic syndrome (MDS), or juvenile myelomonocytic leukemia (JMML) that has come back or not responded to treatment. The goal is to find the safest dose of imetelstat and see if it helps control the cancer.
Orange, CaliforniaAges 1–18 - NCT07209462RecruitingPhase 2
MRM-3379 for Fragile X Syndrome in males
This trial tests an investigational medicine called MRM-3379 in males with Fragile X syndrome. It looks at how the medicine affects thinking and behavior over time.
Orange, CaliforniaAges 13–45 - NCT06851338Recruiting
Inspire therapy study for teens with Down syndrome and sleep apnea
This study tests a device called Inspire that stimulates the airway during sleep to treat obstructive sleep apnea in teenagers with Down syndrome who cannot use a CPAP machine or had a tonsillectomy that did not work well.
Orange, CaliforniaAges 13–18 - NCT04093570Enrolling by invitationPhase 2
Extension study for people continuing ASTX727 from a prior trial
This study checks whether continuing ASTX727 for people who already benefited from it in an earlier Taiho study is safe and effective. It may be an option if you stayed on ASTX727 at the end of your parent study and your doctor felt it was helping you.
Fountain Valley, CaliforniaAges 18 years+ - NCT06394830RecruitingPhase 2
Testing VNX001 for bladder pain syndrome
This study tests a new treatment (VNX001) for people with interstitial cystitis or bladder pain syndrome (IC/BPS). You must have already taken part in an earlier study of this drug to join. The goal is to see if it safely reduces bladder pain.
Tustin, CaliforniaAges 18 years+ - NCT06440525RecruitingPhase 2
Testing RSLV-132 for Sjögren's disease in women
This study tests an investigational drug called RSLV-132 in women with Sjögren's disease to see if it can reduce symptoms like fatigue and dryness. You may join if you've been diagnosed in the last 30 years and have persistent symptoms.
Tustin, CaliforniaAges 18–75 - NCT05123755RecruitingPhase 2
Testing a new medicine in hospitalized pneumonia patients needing oxygen
This Phase 2 trial tests an investigational medicine (given in increasing doses) for hospitalized people with pneumonia who need supplemental oxygen. It aims to see if the medicine is safe and potentially helps the pneumonia process in the early hospital period.
Newport Beach, CaliforniaAges 18 years+ - NCT07087054RecruitingPhase 3
A daily pill for carcinoid syndrome symptoms
This trial tests an oral daily medication, paltusotine, to reduce flushing and other symptoms of carcinoid syndrome in people with neuroendocrine tumors. It may be an option for those who need treatment and have stable disease.
Newport Beach, CaliforniaAges 18 years+ - NCT04988555RecruitingPhase 1/Phase 2
Study of an investigational drug for high-risk acute leukemia
This Phase 1/2 study tests enzomenib (DSP-5336) in people with relapsed or hard-to-treat acute leukemia (and, in some places, certain other blood cancers). The goal is to see how the drug works and how safe it is, especially for leukemia cases with specific genetic changes (KMT2A/MLL or NPM1).
Newport Beach, CaliforniaAges 12 years+ - NCT06691178Recruiting
Vaginal changes after CO2 laser therapy
This study looks at how CO2 laser therapy affects the vagina in people who have gone through menopause and have genitourinary symptoms like dryness or discomfort. It aims to understand the benefits and changes that happen after treatment.
Irvine, CaliforniaAges 18 years+ - NCT05354141RecruitingPhase 3
Tested treatment with tiny lung particles for moderate to severe ARDS
This Phase 3 trial studies an “extracellular vesicle” treatment in people with moderate to severe ARDS, a serious lung breathing problem. The goal is to see whether the treatment can improve outcomes compared with standard care.
Irvine, CaliforniaAges 18–75
Hear when a new Down Syndrome trial opens near Los Angeles, CA
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Down Syndrome trials in other cities
Where these studies are running near Los Angeles
Institutions with a site for the recruiting down syndrome studies listed above.
- University of California, Irvine Medical Center / UC Irvine Health · 9 studies
- Children's Hospital of Orange County · 5 studies
- Hoag Memorial Hospital Presbyterian · 2 studies
- UC Irvine Health · 2 studies
- Amnova Clinical Research
- Children's Hospital Orange County
- CHOC Children's Hospital
- Compassionate Care Research Group, Inc.
What taking part in a down syndrome 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.
Looking wider? See all recruiting down syndrome studies in California.
Common questions
- Are there down syndrome clinical trials near Los Angeles?
- Yes. We're currently tracking 175 recruiting down syndrome studies with a site near Los Angeles, 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 down syndrome study near Los Angeles?
- 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 Los Angeles to take part?
- Not necessarily. These studies have a site near Los Angeles, 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 down syndrome 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 down syndrome studies open near Los Angeles regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.