Clinical trials · San Antonio, TX
Down Syndrome clinical trials in San Antonio
We’re tracking 28 recruiting down syndrome studies with a site in or near San Antonio — including Phase 1/Phase 2, Phase 2, Phase 2/Phase 3 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near San Antonio
- NCT07545759RecruitingPhase 2
Testing brenipatide for IBS with diarrhea symptoms
This study tests whether a new medication called brenipatide can help people with IBS-diarrhea (IBS-D) reduce belly pain and loose stools. IBS-D is a condition where the intestines move too quickly, causing frequent diarrhea and discomfort.
San Antonio, TexasAges 18–75 - NCT07221851RecruitingPhase 3
Weekly vs daily growth hormone for short stature in children
This trial tests a weekly growth hormone injection (lonapegsomatropin) compared to the standard daily growth hormone shot in children with short stature due to certain conditions. It aims to see if the weekly shot works as well or better and is safe.
San Antonio, TexasAges 2–17 - NCT07523581RecruitingPhase 2
Study of an experimental drug for Alport syndrome
This study tests an experimental medicine for people with Alport syndrome caused by a specific type of gene change (nonsense mutation). The drug may help reduce protein in the urine and slow kidney decline. It is a blinded study, so you won't know if you get the real drug or a placebo.
San Antonio, TexasAges 12 years+ - NCT05745285Recruiting
LLS care support program for blood cancer patients
This study looks at whether LLS services and support improve outcomes and the day-to-day experience of care for people with leukemia, lymphoma, myeloma, MDS, or MPN. It’s mainly about matching you to the right support and following your progress for 6 months.
San Antonio, TexasAges 18 years+ - NCT06776783RecruitingPhase 3
Testing a new surfactant for breathing problems in premature babies
This study tests a new medicine called APC-0101, a type of surfactant, for premature babies with breathing problems (respiratory distress syndrome). It may help their lungs work better and reduce the need for more breathing support.
San Antonio, TexasAges 1 hour–1 day - NCT01186913Enrolling by invitation
Natural history study for severe combined immune deficiency (SCID)
This study follows children and adults with SCID and related immune disorders to understand how the illness behaves over time. It also helps researchers learn which testing results and genetic types of SCID match different treatment plans.
San Antonio, TexasAges 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.
San Antonio, TexasAges Any age - NCT07538583RecruitingPhase 2/Phase 3
QRX003 Lotion for Netherton Syndrome
This study tests a new lotion (QRX003) designed to treat Netherton Syndrome, a rare genetic skin condition. The lotion is applied to affected skin areas to see if it can reduce symptoms and improve skin health.
San Antonio, TexasAges 4 years+ - NCT05905926Enrolling by invitationPhase 3
Tenapanor safety study for teens with constipation-predominant IBS
This trial checks the safety of tenapanor in children and teens (ages 6 to under 18) with IBS-C. It is only for people who finished a previous related study and agreed to continue follow-up.
San Antonio, TexasAges 6–18 - NCT03160274Recruiting
Genetic testing for certain adrenal and nerve tumors
This study looks at genetic (DNA) changes in people with pheochromocytoma or paraganglioma and related conditions. It may help clarify why these conditions happen and how they run in families.
San Antonio, TexasAges Any age - NCT04726241RecruitingPhase 1/Phase 2
Testing blood and bone marrow samples in young leukemia patients
This trial looks at blood and bone marrow samples from children and teens whose leukemia has come back or is hard to treat. The goal is to better understand the disease and guide future options for these patients.
San Antonio, TexasAges Up to 22 years - NCT06938217Enrolling by invitation
Low-flow ECMO for adults with severe breathing failure
This study tests whether a gentler, low-blood-flow version of ECMO (a machine that helps oxygenate blood outside the body) is safe and effective for adults with very severe breathing failure. It is for patients who are already on a breathing machine and have very low oxygen levels despite that support.
San Antonio, TexasAges 18–65 - NCT06550284Recruiting
Nerve sensitivity in carpal tunnel syndrome
This study tests how small nerve fibers work in people with carpal tunnel syndrome. It uses simple sensory tests to understand nerve function, which may help guide treatment.
San Antonio, TexasAges 18–65 - NCT07545772RecruitingPhase 2
Testing Brenipatide for Constipation-Focused IBS
This trial tests a new medicine called brenipatide to see if it can help people with IBS-C (irritable bowel syndrome with constipation). The study focuses on whether the drug reduces belly pain and improves bowel movements in people whose main symptom is hard or infrequent stools.
San Antonio, TexasAges 18–75 - NCT07519395RecruitingPhase 2
Camlipixant for IBS with diarrhea or mixed symptoms
This study tests an investigational drug, camlipixant, to see if it can reduce belly pain and diarrhea or mixed bowel symptoms in adults with irritable bowel syndrome (IBS). If you've tried other IBS treatments without enough relief, this might be an option.
San Antonio, TexasAges 18–80 - 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 Antonio, TexasAges 6 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.
San Antonio, TexasAges 18 years+ - NCT06333990RecruitingPhase 3
Quetiapine for concussion symptoms in veterans
This study tests whether quetiapine (a medication that can help with mood, sleep, and thinking) reduces ongoing concussion symptoms in veterans who had a mild traumatic brain injury (mTBI) at least 6 months ago. You may join if you are already taking at least three medications for your brain or mental health symptoms and have some PTSD symptoms.
San Antonio, TexasAges 18–65 - 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 Antonio, TexasAges 1–30 - 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 Antonio, TexasAges 14 years+ - NCT05462106RecruitingPhase 1/Phase 2
ACI-24.060 study for early Alzheimer’s in adults and Down syndrome
This Phase 1/2 study tests an Alzheimer’s treatment called ACI-24.060 to see if it affects the disease in people with early Alzheimer’s changes. It includes two groups: older adults with early symptoms and people with Down syndrome who also show Alzheimer’s-related changes on brain scans.
San Antonio, TexasAges 35–85 - 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.
San Antonio, TexasAges 16–70 - NCT05918861RecruitingPhase 3
Tested heart-risk drug for people with recent heart-attack genetics
This trial studies whether dalcetrapib can lower future heart and blood-vessel risk in people who recently had an ACS (acute coronary syndrome, often a heart attack or unstable chest pain) and have a specific genetic marker. It may help people like you by targeting a risk pathway related to that genetic background.
San Antonio, TexasAges 45 years+ - 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 Antonio, TexasAges 6–39
Hear when a new Down Syndrome trial opens near San Antonio, TX
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Down Syndrome trials in other cities
Where these studies are running near San Antonio
Institutions with a site for the recruiting down syndrome studies listed above.
- University of Texas Health Science Center at San Antonio · 4 studies
- Children's Hospital of San Antonio · 2 studies
- Methodist Children's Hospital of South Texas · 2 studies
- Southern Star Research Institute · 2 studies
- UT Health San Antonio · 2 studies
- Ascendis Pharma Investigational Site
- Brooke Army Medical Center
- Christus Children's Hospital
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 Texas.
Common questions
- Are there down syndrome clinical trials near San Antonio?
- Yes. We're currently tracking 28 recruiting down syndrome studies with a site near San Antonio, 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 Antonio?
- 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 Antonio to take part?
- Not necessarily. These studies have a site near San Antonio, 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 Antonio regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.