Clinical trials · San Diego, CA
Down Syndrome clinical trials in San Diego
We’re tracking 58 recruiting down syndrome studies with a site in or near San Diego — including Phase 1, Phase 2, Phase 2/Phase 3, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near San Diego
- NCT04546399RecruitingPhase 2
Blinatumomab with or without nivolumab for first relapse ALL
This study compares blinatumomab alone versus blinatumomab plus nivolumab in young people whose B-cell ALL has returned for the first time. It aims to see whether adding nivolumab improves control of the leukemia after relapse.
San Diego, CaliforniaAges 1–30 - NCT06194305RecruitingPhase 2
Brain and behavior study of tic therapy for kids
This study tests a behavioral therapy (CBIT) for children with tics. It uses brain scans (MRI and EEG) to see how the therapy works. It may be a good fit for a child who has had tics for at least a year and hasn't had much of this therapy before.
San Diego, CaliforniaAges 10–17 - NCT07176117Enrolling by invitation
Surfactant via airway device for breathing trouble in newborns
This trial tests if giving surfactant (a natural substance that helps lungs stay open) through a special airway device can help late preterm and early term infants with breathing problems. The goal is to see if this approach works better than current methods without needing a breathing tube.
San Diego, CaliforniaAges 8 months–9 months - NCT05702645Recruiting
Down syndrome long-term study after leukemia treatment
This study follows children and young adults with Down syndrome who have survived acute leukemia (ALL or AML) to learn about their longer-term health after treatment ends. It may help families and doctors understand what health problems to watch for and how to provide better follow-up care.
San Diego, CaliforniaAges 6–39 - NCT06393101RecruitingPhase 1
High-CBD cannabis extract for complex regional pain syndrome treatment
This study tests a high-CBD cannabis extract (BRC-002) to see if it can help reduce pain and improve health in people with Complex Regional Pain Syndrome (CRPS). Participants will not use opioids or other cannabis during the study.
San Diego, CaliforniaAges 21–75 - 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.
San Diego, CaliforniaAges 5–30 - NCT06539507RecruitingPhase 1
Study of BCX17725 for Netherton syndrome safety
This trial tests a new drug called BCX17725 in people with Netherton syndrome to see if it is safe and how the body handles it. It may help by reducing skin symptoms like redness and scaling.
San Diego, CaliforniaAges 12–65 - NCT06914609RecruitingPhase 3
Study of ION582 for people with Angelman syndrome
This trial tests a new medicine called ION582 for people with Angelman syndrome. It aims to see if it can help with symptoms and is given as a lumbar puncture (spinal tap). You may be able to join if you have a genetic diagnosis of Angelman syndrome and are between 2 and 50 years old.
San Diego, CaliforniaAges 2–50 - NCT06366464RecruitingPhase 3
Study of a drug for sleepiness in Prader-Willi syndrome
This trial tests a medication called pitolisant to see if it helps reduce excessive daytime sleepiness in people with Prader-Willi syndrome. You or your loved one may be able to join if they have a confirmed diagnosis and a caregiver who can regularly help with study tasks.
San Diego, CaliforniaAges 6 years+ - NCT07281079RecruitingPhase 3
Testing NNZ-2591 for children with Phelan-McDermid syndrome
This trial tests a new medicine, NNZ-2591, to see if it helps children with Phelan-McDermid syndrome. It is for children aged 3 to 12 who have a specific genetic change (SHANK3) and weigh at least 10 kg.
San Diego, CaliforniaAges 3–12 - NCT07605429RecruitingPhase 3
Rugonersen treatment for Angelman syndrome
This study tests a new medicine called rugonersen for people with Angelman syndrome. The medicine is given as an injection into the fluid around the spinal cord and may help improve symptoms by targeting the genetic cause of the condition.
San Diego, CaliforniaAges 1–50 - NCT05978141Recruiting
T-cell lymphoma registry study
This study creates a registry for people with certain T-cell or NK-cell lymphomas. It collects health information and tumor samples to learn more about these diseases and improve future treatments.
San Diego, CaliforniaAges Any age - NCT06086379Enrolling by invitation
Cognitive rehab therapy for COVID-related thinking problems in Veterans
This study tests a cognitive rehabilitation therapy designed to help Veterans who have memory and thinking problems after COVID-19. It aims to improve daily mental function and quality of life.
San Diego, 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.
San Diego, CaliforniaAges Up to 3 months - NCT05789056RecruitingPhase 2/Phase 3
Study lotion for Netherton syndrome safety and symptom improvement
This trial tests a prescription lotion (QRX003) to see if it is safe and helpful for people with Netherton syndrome. Because the study checks skin symptoms on certain body areas and closely controls other treatments, it may be best for patients who can keep their current regimen stable.
San Diego, CaliforniaAges 14 years+ - NCT05737121RecruitingPhase 2
Study drug for bladder pain compared with lidocaine, heparin, or placebo
This Phase 2 trial tests VNX001 to see if it helps people with interstitial cystitis/bladder pain syndrome (IC/BPS) compared with its separate ingredients (lidocaine and heparin) or a placebo (inactive treatment). You may be eligible if you have had IC/BPS for months and recently had a moderate-to-severe bladder pain flare.
San Diego, CaliforniaAges 18 years+ - NCT07280468RecruitingPhase 4
Personalized sleep apnea treatment for Down syndrome
This study tests if a treatment chosen based on your specific type of sleep apnea works better for people with Down syndrome. It looks for participants who have sleep apnea but are not already using a CPAP machine regularly.
San Diego, CaliforniaAges 6 years+ - NCT05334368RecruitingPhase 3
Depemokimab for hypereosinophilic syndrome with frequent flares
This trial studies depemokimab, a medicine meant to reduce flares in people with hypereosinophilic syndrome (HES). It also checks how safe the treatment is and how well it works over time.
San Diego, CaliforniaAges 18 years+ - NCT02646839Enrolling by invitationPhase 2
Testing a gene-matched transplant approach for childhood leukemia
This trial studies a specific type of partially matched (haploidentical) stem cell transplant in children with ALL, AML, or MDS. It looks at whether using certain immune system gene patterns (KIR) and measuring leftover disease after treatment can improve outcomes and cost-effectiveness.
San Diego, CaliforniaAges Up to 21 years - NCT07519395RecruitingPhase 2
Camlipixant for abdominal symptoms in IBS-D and IBS-M
This study tests whether a new drug called camlipixant can reduce belly pain and other uncomfortable symptoms in people with irritable bowel syndrome that causes diarrhea or mixed symptoms. The trial compares camlipixant to a placebo (inactive pill) to see if it works better.
San Diego, CaliforniaAges 18–80 - NCT05654922RecruitingPhase 3
Prevent lung transplant airways scarring with ARINA-1
This Phase 3 trial tests ARINA-1 to slow or prevent worsening lung transplant scarring in the breathing tubes (bronchiolitis obliterans). It may help people who are showing early decline in lung function but are not yet at advanced disease.
San Diego, CaliforniaAges 18–75 - NCT05953090Recruiting
Vaginal irritation study with device use and long follow-up
This trial studies a treatment for long-lasting vaginal/vulvar irritation caused by conditions like vaginal atrophy or certain skin conditions of the vulva. You would try the study product/device and be followed over time to see how symptoms recover.
San Diego, CaliforniaAges 18 years+ - NCT06415344Enrolling by invitationPhase 3
Long-term extension of GTX-102 in Angelman syndrome
This study is a long-term follow-up for people with Angelman syndrome who have already taken part in a GTX-102 trial. It tests whether the treatment continues to be safe and helpful over a longer period.
San Diego, CaliforniaAges Any age - NCT01429389Recruiting
Testing genetic samples in pregnancy to check chromosome changes
This study collects genetic samples from pregnant people who have a higher chance of chromosome changes in the baby. It tests whether taking samples through CVS and/or amniocentesis can help understand the baby’s genetic makeup.
San Diego, CaliforniaAges 18 years+
Hear when a new Down Syndrome trial opens near San Diego, CA
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Down Syndrome trials in other cities
Where these studies are running near San Diego
Institutions with a site for the recruiting down syndrome studies listed above.
- Rady Children's Hospital San Diego · 8 studies
- University of California San Diego · 6 studies
- GSK Investigational Site · 2 studies
- Sharp Mary Birch Hospital for Women & Newborns · 2 studies
- Women's Health Care Research · 2 studies
- Altman Clinical and Translational Research Institute
- IC Study LLC
- Kaiser Permanente San Diego
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 San Diego?
- Yes. We're currently tracking 58 recruiting down syndrome studies with a site near San Diego, 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 San Diego?
- 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 San Diego to take part?
- Not necessarily. These studies have a site near San Diego, 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 San Diego regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.