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Janssen Research & Development, LLC clinical trials

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ClinicalTrials.gov public records Last synced Nov 2, 2026, 7:06 AM EST

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Janssen Research & Development, LLC
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Showing 301–312 of 701 matching trials for sponsor Janssen Research & Development, LLC.
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Completed Phase 2 Interventional

A Study in a Human Laboratory Model of Smoking Behavior

NCT02641028
View directory record Official record
Conditions
Smoking
Interventions
CERC-501, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
21 Years to 60 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Overland Park, Kansas • Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional

A Study to Investigate the Antidepressant Mechanism-of-action of JNJ-42847922 in Participants With Major Depressive Disorder

NCT03374475
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
JNJ-42847922 20mg, JNJ-42847922 40mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
3
States / cities
San Diego, California • San Marcos, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Early Phase 1 Interventional Accepts healthy volunteers

Evaluation of Tau Protein in the Brain of Participants With Alzheimer's Disease Compared to Healthy Participants

NCT03239561
View directory record Official record
Conditions
Alzheimer Disease
Interventions
[18F]MNI-1020
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Determine the Abuse Potential of Seltorexant Compared to Suvorexant and Zolpidem

NCT05106153
View directory record Official record
Conditions
Healthy Non-dependent, Recreational Sedative Users, Abuse Potential
Interventions
Suvorexant, Zolpidem, Seltorexant, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of a Single Subcutaneous Dose of JNJ-26366821 in Healthy Participants

NCT03990519
View directory record Official record
Conditions
Healthy
Interventions
JNJ-26366821, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 45 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate JNJ-64565111 Pharmacokinetics and Safety in Adult Participants With Varying Degrees of Renal Function

NCT03546205
View directory record Official record
Conditions
Kidney Failure, Chronic
Interventions
JNJ-64565111
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 79 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
Orlando, Florida • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed No phase listed Observational

A Study of Comparing Rates of Dementia and Alzheimer's Disease in Participants Initiating Methotrexate Versus Those Initiating Anti-tumor Necrosis Factor (TNF)-Alpha Therapy

NCT04571697
View directory record Official record
Conditions
Dementia, Alzheimer Disease
Interventions
Methotrexate, Anti-TNF
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
34,647 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Ritonavir on the Single-Dose Pharmacokinetics of JNJ-61393215 in Healthy Participants

NCT03593954
View directory record Official record
Conditions
Healthy
Interventions
JNJ-61393215, Ritonavir
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Single and Multiple Dose Study to Investigate Safety, Tolerability and Pharmacokinetics of JNJ-42165279 in Healthy Japanese Male Participants

NCT03564379
View directory record Official record
Conditions
Healthy
Interventions
JNJ-42165279, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
20 Years to 55 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Terminated No phase listed Observational

A Standard of Care Study of Patients With Major Depressive Disorder Who Have Had an Inadequate Response to a Selective Serotonin Reuptake/Serotonin-Norepinephrine Reuptake Inhibitor Antidepressant

NCT05109195
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Standard of Care (SOC)
Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 74 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
San Francisco, California • Boston, Massachusetts • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 2 Interventional Results available

A Study of Seltorexant in Participants With Probable Alzheimer's Disease

NCT05307692
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Seltorexant, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
55 Years to 85 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
25
States / cities
Tempe, Arizona • Lafayette, California • Homestead, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Crossover Study to Evaluate the Abuse Potential of Intranasal Esketamine Compared to Racemic Intravenous Ketamine in Nondependent, Recreational Drug Users

NCT02682225
View directory record Official record
Conditions
Drug Abuse
Interventions
Intravenous placebo, Intranasal placebo, Intravenous racemic ketamine, Esketamine 112 mg, Esketamine 84 mg
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Nov 2, 2026, 7:06 AM EST

About this Janssen Research & Development, LLC sponsor directory page

What this page lists
U.S. ClinicalTrials.gov public records where Janssen Research & Development, LLC is the lead sponsor, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results
Use the filters above to scope by condition, intervention, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Janssen Research & Development, LLC trials.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, sponsor quality scoring, ranking of trials, or AI-generated medical summaries.

Related: all sponsor pages, browse by condition, browse by drug or therapy, browse by U.S. city, or open the full search for Janssen Research & Development, LLC.