Younger adults · Massachusetts
Studies for younger adults in Massachusetts
These studies accept adults from 21 or younger and set an upper age limit of 45 or below, so they are aimed at younger adults. Being in the age range does not mean you qualify; screening decides.
64 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersOvernight stay mentioned
Eating to Adjust the Timing System
Brigham and Women's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersOvernight stay mentioned
Can Food Timing Reduce Your Diabetes Risk?
Brigham and Women's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersOvernight stay mentioned
Effect of Physical Activity Pattern on Cardiometabolic Health
Brigham and Women's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersEarly Phase 1
Impulsivity Domains and Subjective Response
Jessica Weafer
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 21–25
- RecruitingHealthy volunteersEarly Phase 1
The Kidney's Response to Exercise in Heat, and the Impact of Vitamin B3 on This Response
Beth Israel Deaconess Medical Center
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersOvernight stay mentioned
Dietary Intervention to Mitigate Adverse Consequences of Night Work
Brigham and Women's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
mTBI Identification and Monitoring Through Retinal Scanning
Rebiscan, Inc.
- Location
- Boston, MA
- Eligibility basics
- Ages 18–45
- Recruiting
Delivering tAN to Reduce HMB: The LUNA Study
Spark Biomedical, Inc.
- Location
- Boston, MA
- Eligibility basics
- Ages 14–45 · Women only
- RecruitingPhase 2
SAFety and Efficacy of Human Anti-thymocyte ImmunoGlobUlin SAB-142 ARresting Progression of Type 1 Diabetes
SAb Biotherapeutics, Inc.
- Location
- Boston, MA + 20 other US sites
- Eligibility basics
- Ages 5–40
- RecruitingPhase 3
A Master Protocol (AMAZ): A Study of Mirikizumab (LY3074828) in Pediatric Participants With Ulcerative Colitis or Crohn's Disease (SHINE-ON)
Eli Lilly and Company
- Location
- Boston, MA + 8 other US sites
- Eligibility basics
- Ages 2–19
- RecruitingPhase 2
Study of MRM-3379 in Male Participants With Fragile X Syndrome (BLOOM)
Mirum Pharmaceuticals, Inc.
- Location
- Boston, MA + 13 other US sites
- Eligibility basics
- Ages 13–45 · Men only
- Recruiting
SAINT in Postpartum Depression (PPD)
Magnus Medical
- Location
- Worcester, MA + 3 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 3
A Study of Nipocalimab in Pregnancies at Risk for Severe Hemolytic Disease of the Fetus and Newborn (HDFN)
Janssen Research & Development, LLC
- Location
- Boston, MA + 19 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 3
Human Menopausal Gonadotropin Research in Infertility Assessing Cumulative Live Birth With Frozen Embryo Transfer.
Granata Bio Corporation
- Location
- Waltham, MA + 14 other US sites
- Eligibility basics
- Ages 18–42 · Women only
- RecruitingPhase 2
A Study of Belumosudil in Children With Chronic Graft Versus Host Disease (schoolROCK)
Sanofi
- Location
- Boston, MA + 6 other US sites
- Eligibility basics
- Ages 1–18
- RecruitingPhase 1/Phase 2
CNP-103 in Adolescent and Adult Subjects Ages 12-35 With Recently Diagnosed (Within 6 Months) Stage 3 Type 1 Diabetes (T1D)
COUR Pharmaceutical Development Company, Inc.
- Location
- Boston, MA + 44 other US sites
- Eligibility basics
- Ages 12–35
- RecruitingPhase 1/Phase 2
Study to Evaluate Safety, Efficacy and Immunogenicity of Acne mRNA Vaccine in Adults With Moderate to Severe Acne
Sanofi Pasteur, a Sanofi Company
- Location
- Brighton, MA + 78 other US sites
- Eligibility basics
- Ages 18–45
- RecruitingPhase 1
Assessing the Safety, Tolerability, and Efficacy of APR-2020 in Pediatric and Adolescent Subjects With RPS19 Deficient Diamond-Blackfan Anemia
Apriligen, Inc.
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 2–25
- RecruitingPhase 3
Beeline: A Phase 3 Study in GRIN-related Neurodevelopmental Disorder
GRIN Therapeutics, Inc.
- Location
- Boston, MA + 15 other US sites
- Eligibility basics
- Ages 1 mo–18
- RecruitingPhase 1/Phase 2
A Study Exploring Changes in a Variety of Biomarkers Following Dosing With MT1988 in Participants at Clinical High Risk for Psychosis
Monument Therapeutics Limited
- Location
- Boston, MA + 14 other US sites
- Eligibility basics
- Ages 17–30
- Recruiting
KiteLock 4% EDTA Lock Solution for the Prevention of Occlusions in Children With Intestinal Failure
SterileCare Inc.
- Location
- Boston, MA + 6 other US sites
- Eligibility basics
- Ages 1 mo–18
- RecruitingPhase 3
To Investigate the Efficacy of Treatment With Oral NA-921 (Bionetide) Versus Placebo in Females With Rett Syndrome
Biomed Industries, Inc.
- Location
- Boston, MA + 13 other US sites
- Eligibility basics
- Ages 5–20 · Women only
- RecruitingPhase 3
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co. Ltd
- Location
- Boston, MA + 34 other US sites
- Eligibility basics
- Ages 12–18
- Recruiting
MASA Valve Early Feasibility Study
PECA Labs
- Location
- Boston, MA + 4 other US sites
- Eligibility basics
- Ages 0 mo–22