Clinical trials · Los Angeles, CA
Opioid Use Disorder clinical trials in Los Angeles
We’re tracking 11 recruiting opioid use disorder studies with a site in or near Los Angeles — including Phase 2, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near Los Angeles
- NCT07631598Recruiting
Buprenorphine at Needle Exchange Programs to Prevent Overdoses
This study tests whether offering buprenorphine (a medication that reduces cravings and withdrawal) directly at syringe service programs (places where people get clean needles) can help people with opioid addiction stay safe and reduce overdose risk. If you use opioids and visit a syringe service program, this may be an option to explore.
Los Angeles, CaliforniaAges 18 years+ - NCT06494891RecruitingPhase 2
Understanding motivation for IV alcohol drinking
This study looks at why people with alcohol use disorder choose to drink alcohol given through an IV. The goal is to better understand the motivation behind drinking, which could help improve treatments.
Los Angeles, CaliforniaAges 21–65 - NCT06994338RecruitingPhase 2
Tirzepatide for alcohol use disorder
This study tests whether a medication called tirzepatide (a once-weekly injection) can help people reduce their alcohol consumption. It is for people who drink heavily, have a high BMI, and are actively seeking help to drink less.
Los Angeles, CaliforniaAges 21–65 - NCT06218056RecruitingPhase 2
CBD for reducing cigarette smoking in a treatment center
This study tests whether a daily dose of cannabidiol (CBD) can help people who smoke at least 5 cigarettes a day cut down or quit. It is for people staying at a treatment center in Los Angeles where cannabis use is not allowed.
North Hollywood, CaliforniaAges 18–65 - NCT04375033RecruitingPhase 4
Oral versus injection buprenorphine for opioid use disorder
This trial compares taking buprenorphine by mouth versus as an injection for opioid use disorder. It aims to see which option helps people stay on treatment and reduces opioid use over about a year.
Long Beach, CaliforniaAges 18 years+ - NCT06961058Recruiting
Telehealth vs. in-person follow-up for opioid addiction treatment
This study compares follow-up care after an emergency department visit for opioid addiction: either through telehealth (video visits) or in-person appointments. The goal is to see which method helps people stay in treatment after they leave the ED.
Sylmar, CaliforniaAges 18 years+ - NCT06655883RecruitingPhase 3
Testing suvorexant for insomnia in people with opioid use disorder
This study tests whether the sleep medication suvorexant (Belsomra) can help people with opioid use disorder who also have trouble sleeping. If you are stable on medication for opioid use disorder and have not used opioids in the last month, this trial may be an option for you.
Garden Grove, CaliforniaAges 18–70 - NCT07420283RecruitingPhase 2
Study of Brenipatide for opioid use disorder
This trial tests a new medicine called Brenipatide for people with opioid use disorder who are already taking buprenorphine but still occasionally use non-prescribed opioids. It aims to see if the study drug can help reduce opioid use.
Fountain Valley, CaliforniaAges 18–75 - NCT07024498Recruiting
Buprenorphine follow-up after emergency care
This study helps coordinate ongoing care for people who start buprenorphine, a medication for opioid use disorder, while in the emergency department. It aims to connect you with continued treatment to support your recovery.
Irvine, CaliforniaAges 14 years+ - NCT07226570Recruiting
Ibogaine brain mapping study for opioid use disorder
This study uses MRI and EEG scans to map how ibogaine affects the brain in people with opioid use disorder. You must already be scheduled to receive ibogaine treatment in Tijuana, Mexico, on your own, as the study does not cover treatment costs.
Irvine, CaliforniaAges 21–70 - NCT06827288Recruiting
Helping emergency patients with opioid use disorder
This study tests different ways to help people who come to the emergency department with opioid use disorder. It aims to find which support strategies work best to connect them with ongoing care and reduce harm.
Colton, CaliforniaAges 18 years+
Hear when a new Opioid Use Disorder trial opens near Los Angeles, CA
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Opioid Use Disorder trials in other cities
Where these studies are running near Los Angeles
Institutions with a site for the recruiting opioid use disorder studies listed above.
- University of California, Irvine · 2 studies
- Ark Clinical Research
- Arrowhead Regional Medical Center
- Collaborative Neuroscience Research, LLC / CenExel CNS - Garden Grove
- Community Health Project Los Angeles (CHPLA)
- CRI-Help, Inc.
- Keck Medicine of USC
- Olive View-UCLA Medical Center
What taking part in a opioid use disorder 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 opioid use disorder studies in California.
Common questions
- Are there opioid use disorder clinical trials near Los Angeles?
- Yes. We're currently tracking 11 recruiting opioid use disorder 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 opioid use disorder 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 opioid use disorder 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 opioid use disorder 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.