A Study of JNJ-99245354 (ITI-1284) as an Adjunctive Treatment in Participants With Generalized Anxiety Disorder (GAD) Who Have an Inadequate Response to GAD Treatment
Key facts
- Who runs it
- Intra-Cellular Therapies, Inc.
- Where
- Miami, New York, Springfield, and Temecula, United StatesSee the 4 sites
- Trial code
- Status
- Recruiting
- Phase
- Phase 3
- People taking part
- 705 people, planned
- Started
- 29 Sept 2026
- Expected to end
- 28 Sept 2030
- Type of study
- Interventional, 3 groupsOne group gets a placebo (a dummy treatment), for comparison.
- Treatments tested
- JNJ-99245354
- Placebo
- Record updated
- 3 November 2026
Who can take part
- Age
- 18 years and older
- Sex
- Women and men
- Healthy volunteers
- Cannot take part
The registry criteria, word for word
Show all 10 criteriaShow less
Who can take part
- Medically stable on the basis of physical examination, medical history, vital signs, and 12-lead electrocardiogram (ECG) performed at screening and at baseline
- Medically stable on the basis of clinical laboratory tests performed at screening
- History of inadequate response to at least 1 generalized anxiety disorder (GAD)-approved treatment taken at an adequate dose and duration as specified in the protocol for the treatment of ongoing GAD symptoms
- Is currently an outpatient and is anticipated to maintain outpatient status for the duration of the double blind (DB) treatment period of the trial
- Body mass index (BMI) within the range 19-40 kilogram per meter squared (kg/m\^2) (inclusive)
Who cannot take part
- The participant is taking more than 1 anti depressive therapy (ADT) or is taking ADT + buspirone at screening, regardless of indication, and is unable or unwilling to discontinue additional ADT (or buspirone) prior to baseline
- Within the participant's lifetime, has one of the following confirmed diagnostic and statistical manual of mental disorders (5th edition) (DSM-5) text revision (TR) psychiatric diagnoses: a. schizophrenia, schizoaffective disorder, schizophreniform disorder or other psychotic disorder; b. bipolar disorder
- Within 6 months of screening, has a confirmed DSM-5-TR psychiatric diagnosis other than GAD, including: a. other anxiety disorders (except simple phobias and social anxiety disorder); b. moderate or severe alcohol or substance use disorders (excluding nicotine); d. moderate or severe major depressive disorder; e. any other psychiatric condition (except for mild major depressive disorder [MDD]) that has been the main focus of treatment
- Lifetime history of inadequate response to >3 of the approved treatments for GAD at an adequate dose and for an adequate duration
- Montgomery-asberg depression rating scale (MADRS) total score greater than (>)18 at screening or baseline
Where in United States
- Nuovida Research CenterMiami, United StatesTaking people
- Fieve Clinical Research, IncNew York, United StatesTaking people
- Voltaire Clinical ResearchSpringfield, United StatesTaking people
- Inland Psychiatric Medical Group IncTemecula, United StatesTaking people
About the trial
What the trial wants to find out
The purpose of this study is to assess if JNJ-99245354 administered once daily works better to reduce anxiety compared to placebo when given as an additional (adjunctive) therapy in participants with generalized anxiety disorder (GAD; a mental health condition defined by uncontrollable, and excessive worry about everyday events for a long period of time).
The 3 groups in the trial
- JNJ-99245354: Dose 1Treatment being tested
Participants will receive JNJ-99245354 dose 1 as an adjunctive therapy once daily for up to 6 weeks in the double blind (DB) period. Eligible participants can enter the open-label (OL) period, to receive JNJ-99245354 dose 1 or dose 2 for up to 24 weeks.
Treatment: JNJ-99245354
- JNJ-99245354: Dose 2Treatment being tested
Participants will receive JNJ-99245354 dose 2 as an adjunctive therapy once daily for up to 6 weeks in the DB period. Eligible participants can enter the OL period, to receive JNJ-99245354 dose 1 or dose 2 for up to 24 weeks.
Treatment: JNJ-99245354
- PlaceboPlacebo, for comparison
Participants will receive placebo as an adjunctive therapy once daily for up to 6 weeks in the DB period. Eligible participants can enter the OL period, to receive JNJ-99245354 dose 1 or dose 2 for up to 24 weeks.
Treatment: JNJ-99245354 and Placebo
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorData and sources
- Registry record
- Listed on ClinicalTrials.gov and on the EU's official list of trials (CTIS).
- Official title
- A Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled Trial to Assess the Efficacy, Safety, and Tolerability of JNJ-99245354 (ITI-1284) as an Adjunctive Treatment in Patients With Generalized Anxiety Disorder Who Have an Inadequate Response to Generalized Anxiety Disorder Treatment and an Open-label Long-term Extension Treatment With JNJ-99245354 (ITI-1284)
- Record updated
- 3 November 2026