Clinical trials · Hartford, CT
Substance Use Disorders clinical trials in Hartford
We’re tracking 32 recruiting substance use disorders studies with a site in or near Hartford — including Early Phase 1, Phase 1, Phase 2 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near Hartford
- NCT06963476Recruiting
Magnetic brain stimulation for substance use
This study uses a gentle magnetic stimulation (rTMS) to help people who are already in treatment for alcohol or opioid addiction. The goal is to see if adding rTMS can reduce cravings and improve recovery.
Hartford, ConnecticutAges 18–60 - NCT06214065Recruiting
Brain stimulation for social thinking in autism
This trial tests whether mild brain stimulation (TMS) over the temporoparietal junction can improve a social thinking skill called 'mentalizing' in adults with autism. You would have MRI scans, cognitive tasks, and several TMS sessions.
Hartford, ConnecticutAges 18–35 - NCT06854757Recruiting
Support after losing a loved one to overdose
This study is for people who lost a loved one to an unintentional drug overdose in the past year. It looks at how families are doing after such a loss and what kind of support might help.
Farmington, ConnecticutAges 18 years+ - NCT05910580Recruiting
Screening and support for alcohol and substance risk in adults
This study aims to improve care access and outcomes for adults who screen positive for risky alcohol or drug use. If you qualify, you may be offered ways to connect to support during your reproductive years.
Springfield, MassachusettsAges 18 years+ - NCT05138614Recruiting
Help for people with opioid use disorder and mental health needs
This trial studies a program meant to improve treatment access and support recovery for people with opioid use disorder who also have mental health symptoms. It may help if you are new to the program or recently relapsed, or if mental health symptoms have worsened—even without a relapse.
Springfield, MassachusettsAges 18 years+ - NCT07168642Recruiting
Study of MIO for mothers in substance use treatment
This trial tests a program called MIO to help mothers recovering from substance use disorders bond with their young children. It looks at how well the program works and how it can be put into practice.
Springfield, MassachusettsAges 18 years+ - NCT05781009RecruitingPhase 2
Pregnenolone treatment for alcohol use disorder
This Phase 2 study tests pregnenolone to help reduce or improve alcohol use disorder symptoms. It looks for adults who drink regularly and meet diagnostic criteria for moderate to severe alcohol use disorder, while excluding people with certain other substance use, medicines, or serious mental/medical conditions.
New Haven, ConnecticutAges 18–70 - NCT05576350Recruiting
Coaching to reduce risky drinking and HIV risk
This study tests an intervention (coaching/skills training) to help reduce risky alcohol use and reduce behaviors that increase HIV risk. It may help you if you drink in an at-risk way and may benefit from HIV prevention like PrEP.
New Haven, ConnecticutAges 18–35 - NCT05776316Recruiting
Harm-reduction support for adults using opioids
This trial offers harm-reduction services for adults who have been misusing opioids (and sometimes other substances) recently. It’s designed to test support approaches that may reduce risks and improve well-being.
New Haven, ConnecticutAges 18 years+ - NCT05957159RecruitingEarly Phase 1
Testing an alcohol brain imaging study based on opioid receptor balance
This early-phase study looks at how the brain’s opioid receptor balance may be different in people with alcohol use disorder (AUD), using brain scans and blood testing. It may help researchers understand why some people respond differently to alcohol and related treatments.
New Haven, ConnecticutAges 21–70 - NCT07136363Recruiting
RESTORE study: support for stimulant users leaving jail or prison
This trial tests a smartphone app (DynamiCare) to help people recovering from stimulant use (methamphetamine or cocaine) stay healthy after leaving jail or prison. It also focuses on those at risk for or living with HIV.
New Haven, ConnecticutAges 18 years+ - NCT07520292RecruitingPhase 1
Testing NTX-2001 to reduce drinking in alcohol use disorder
This study tests whether a new medication called NTX-2001 can help people with alcohol use disorder drink less. Researchers will measure how the drug affects alcohol consumption and safety in adults aged 21–60.
New Haven, ConnecticutAges 21–60 - NCT06489782Recruiting
New approach to test alcohol use disorder medications
This study tests a new way to quickly screen medications for alcohol use disorder (AUD). You will have lab sessions where your drinking is monitored to see how different medicines affect your alcohol use.
New Haven, ConnecticutAges 21–65 - NCT06442423RecruitingPhase 1
Psilocybin study for people with psychiatric symptoms
This trial tests if psilocybin, a substance found in certain mushrooms, can help people with various mental health symptoms that affect daily life. You would take a single dose in a supervised setting and be monitored for changes in your mood and well-being.
New Haven, ConnecticutAges 18 years+ - NCT04721418Recruiting
Imaging brain changes in cocaine use or health controls
This study uses a brain scan to look at changes in brain connections in people with cocaine use disorder, and compares them with healthy volunteers. It may help researchers understand how cocaine affects the brain and what biological signs could be targeted in the future.
New Haven, ConnecticutAges 21–60 - NCT07223983RecruitingPhase 1
Semaglutide for alcohol use disorder after weight loss surgery
This trial tests if a once-weekly diabetes medication (semaglutide) can help people with alcohol use disorder who have had gastric bypass or sleeve gastrectomy in the past 7 years. It may reduce alcohol cravings or drinking.
New Haven, ConnecticutAges 18 years+ - NCT07488819Recruiting
Brain imaging study for people with PTSD or alcohol use disorder
This study uses a special brain scan (PET) to look at a protein called PDE4B in people with PTSD or alcohol use disorder. It may help researchers understand these conditions better.
New Haven, ConnecticutAges 18–70 - NCT06207162Recruiting
Brain scans and methadone treatment for opioid recovery
This study uses MRI scans over time to track brain changes in people with opioid use disorder who recently started methadone treatment. You can help researchers understand recovery patterns if you are early in your methadone journey and can commit to repeated visits.
New Haven, ConnecticutAges 18–50 - NCT03764098RecruitingPhase 2
Guanfacine to reduce heavy drinking in adults with alcohol use disorder
This Phase 2 study tests whether guanfacine can reduce drinking in women and men who drink heavily and meet criteria for alcohol use disorder. It also looks at how the medicine affects drinking patterns in a controlled setting.
New Haven, ConnecticutAges 21–70 - NCT06371404Recruiting
Brain imaging study of stress and alcohol use disorders
This study uses a special brain scan to look at how stress and alcohol use affect the brain. It may help people with PTSD, alcohol use disorder, or healthy volunteers understand these conditions better.
New Haven, ConnecticutAges 18–70 - NCT04793685RecruitingPhase 2
Prazosin for alcohol withdrawal symptoms in alcohol use disorder
This study tests whether prazosin can reduce symptoms that happen when someone stops or cuts back on heavy drinking. It may help people with moderate-to-severe alcohol use disorder who also have alcohol withdrawal symptoms.
New Haven, ConnecticutAges 18–70 - NCT06160284RecruitingPhase 1
Psilocybin for brain healing in opioid recovery
This study tests whether psilocybin, a psychedelic substance, can help change brain connections in people recovering from opioid use disorder. It involves brain scans and careful medical monitoring to explore new treatment options.
New Haven, ConnecticutAges 25–55 - NCT05495984Recruiting
Brain change study for mothers in opioid treatment
This study looks at whether supportive interventions can affect brain “plasticity,” or how the brain adapts, in mothers who are in treatment for opioid use disorder. If you qualify, you may be asked to take part in assessments and follow-up so researchers can better understand recovery during early motherhood.
New Haven, ConnecticutAges 21–45 - NCT05547048RecruitingPhase 4
Phone-based support to help prevent HIV in justice-involved women
This study tests an integrated phone-based health program (e-health) designed for women involved with the justice system who have opioid use disorder. It aims to help people who qualify for HIV prevention (PrEP) stay protected, especially by using simple, ongoing support through phone access.
New Haven, ConnecticutAges 18 years+
Hear when a new Substance Use Disorders trial opens near Hartford, CT
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Substance Use Disorders trials in other cities
Where these studies are running near Hartford
Institutions with a site for the recruiting substance use disorders studies listed above.
- Yale University · 11 studies
- Yale School of Medicine · 3 studies
- Connecticut Mental Health Center · 2 studies
- Baystate Medical Center
- Behavioral Health Network
- Connecticut Office of the Chief Medical Examiner
- Hartford Healthcare
- Magnetic Resonance Research Center (MRRC) at The Anlyan Center
What taking part in a substance use disorders 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 substance use disorders studies in Connecticut.
Common questions
- Are there substance use disorders clinical trials near Hartford?
- Yes. We're currently tracking 32 recruiting substance use disorders studies with a site near Hartford, 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 substance use disorders study near Hartford?
- 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 Hartford to take part?
- Not necessarily. These studies have a site near Hartford, 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 substance use disorders 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 substance use disorders studies open near Hartford regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.