Clinical trials · Los Angeles, CA
Down Syndrome clinical trials in Los Angeles
We’re tracking 169 recruiting down syndrome studies with a site in or near Los Angeles — including Phase 1, Phase 1/Phase 2, Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near Los Angeles
- NCT07220187RecruitingPhase 3
Adding pirtobrutinib to usual treatment for newly diagnosed Richter transformation
This study tests whether adding a targeted drug called pirtobrutinib to the usual chemotherapy for Richter transformation can improve outcomes. It is a phase 3 trial, meaning it compares the new combination to the standard approach, and may help patients live longer or delay progression.
Orange, CaliforniaAges 18 years+ - 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 - 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 - 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 - 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 - 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 - 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 - NCT05905328RecruitingPhase 1/Phase 2
New drug to prevent and treat side effects of CAR T-cell therapy
This study tests an experimental drug, CTO1681, that may help prevent or treat cytokine release syndrome (CRS) — a common side effect of CAR T-cell therapy. It could make the recovery period safer and more comfortable.
Orange, CaliforniaAges 18 years+ - 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 - 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 - 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+ - 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+ - 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 - NCT06283498Enrolling by invitation
Radiofrequency treatment for overactive bladder
This study tests a new non-surgical treatment for overactive bladder using radiofrequency energy delivered through the vagina to calm the nerves that cause urgency and leaking. It is for people who have urge incontinence and have not found relief from medication.
Corona del Mar, CaliforniaAges 21–80 - NCT04880876Enrolling by invitationPhase 3
Oral IBS-D medicine trial for kids and teens
This trial tests whether an oral medicine (eluxadoline) can help children and teens with IBS-D, a condition that causes stomach pain and frequent loose stools. It’s a Phase 3 study, meaning it’s designed to confirm benefits and safety.
Corona, CaliforniaAges 6–17 - NCT05672901Recruiting
Silicone gel vs estrogen cream for menopause discomfort
This study compares a silicone gel with an estrogen vaginal cream to treat genital and urinary symptoms caused by menopause. It may help you see which treatment works better and is more comfortable for your symptoms.
Laguna Hills, CaliforniaAges 18 years+ - NCT05575401Recruiting
Track surgery results in kids getting tonsil removal
This trial looks at how well a specific throat surgery technique works in children who are having their tonsils removed (with or without removing adenoids). It may help improve how doctors choose and perform surgery for safer, better recovery.
Riverside, CaliforniaAges 3–17 - NCT04527445Recruiting
Test to use less X-ray during sacral nerve lead placement
This trial studies whether doctors can place a sacral neuromodulation lead using fewer X-rays. If you’re getting this procedure for overactive bladder, it may help reduce radiation exposure while still guiding correct lead placement.
Loma Linda, CaliforniaAges 18–89 - NCT05719935Recruiting
KinematX wrist replacement registry for people with wrist arthritis
This trial is a registry that follows people who get (or already had) a KinematX total wrist replacement. It collects health and recovery information to better understand outcomes for different wrist problems, like arthritis or certain bone alignment issues.
Loma Linda, CaliforniaAges 18–85 - NCT05107635Recruiting
Registry for people treated with AtriCure for IST or POTS
This registry collects information from people who are getting—or already had—treatment for IST or POTS using an AtriCure device. It helps researchers better understand outcomes and safety in real-world care.
Loma Linda, CaliforniaAges 18–100
Hear when a new Down Syndrome trial opens near Los Angeles, CA
We’ll email you when one opens near Los Angeles, CA — at most once a week, no account needed, unsubscribe anytime.
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.
- Children's Hospital of Orange County · 3 studies
- UC Irvine Health/Chao Family Comprehensive Cancer Center · 3 studies
- Loma Linda University Health · 2 studies
- UCI Health - Chao Family Comprehensive Cancer Center and Ambulatory Care · 2 studies
- University of California, Irvine · 2 studies
- Amnova Clinical Research, LLC
- Beckman Laser Institute
- Children's Hospital of Orange County - Pediatric Subspecialty
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 169 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.