Actively Recruiting

Phase 2
Age: 18Years +
All Genders
NCT06480383

Study of ITI-1284 as an Adjunctive Treatment in Patients With Generalized Anxiety Disorder

Led by Intra-Cellular Therapies, Inc. · Updated on 2026-01-09

705

Participants Needed

69

Research Sites

147 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This is a multicenter, randomized, double-blind, placebo-controlled study evaluating the efficacy, safety, and tolerability of ITI-1284 compared with placebo as adjunctive therapy to GAD treatment in patients meeting Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria for GAD who have an inadequate response to ongoing GAD treatment.

CONDITIONS

Official Title

Study of ITI-1284 as an Adjunctive Treatment in Patients With Generalized Anxiety Disorder

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Provide written informed consent before any study procedures
  • Be male or female aged 18 years or older
  • Meet DSM-5-TR criteria for moderate or severe Generalized Anxiety Disorder confirmed by a structured clinical interview
  • Have a Hamilton Anxiety Rating Scale (HAM-A) total score of 22 or higher
  • Have HAM-A scores of 2 or higher on items 1 (anxious mood) and 2 (tension)
  • Have a Clinical Global Impression - Severity (CGI-S) score of 4 or higher
  • Have a history of inadequate response (less than 50% improvement) to at least one approved GAD treatment taken at the minimum dose and for at least 6 weeks
  • Currently have an inadequate response to one approved GAD treatment taken at an adequate dose for at least 6 weeks prior to screening and agree to continue this treatment during the study
  • The current GAD treatment must be different from the one identified as the historical failure
Not Eligible

You will not qualify if you...

  • Have a lifetime diagnosis of schizophrenia, schizoaffective disorder, schizophreniform disorder, or other psychotic disorder
  • Have a lifetime diagnosis of bipolar disorder
  • Have a Montgomery-Åsberg Depression Rating Scale (MADRS) total score greater than 18 at screening or baseline
  • Be considered at significant risk for suicidal behavior as assessed by the investigator
  • Have scored "yes" on suicidal ideation items 4 or 5 of the Columbia-Suicide Severity Rating Scale (C-SSRS) within 6 months prior to screening or since the screening visit
  • Have had one or more suicidal attempts within 2 years prior to screening
  • Have a MADRS item 10 score of 5 or higher at screening or baseline
  • Be considered an imminent danger to self or others by the investigator
  • Have failed to respond to more than 3 approved GAD treatments at adequate doses and durations

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 69 locations

1

Clinical Site

Chandler, Arizona, United States, 85224

Active, Not Recruiting

2

Clinical Site

Encino, California, United States, 91316

Actively Recruiting

3

Clinical Site

Glendale, California, United States, 91206

Actively Recruiting

4

Clinical Site

Imperial, California, United States, 92251

Actively Recruiting

5

Clinical Site

Lemon Grove, California, United States, 91945

Actively Recruiting

6

Clinical Site

Oceanside, California, United States, 92056

Actively Recruiting

7

Clinical Site

Orange, California, United States, 92868

Actively Recruiting

8

Clinical Site

Redlands, California, United States, 92374

Actively Recruiting

9

Clinical Site

San Diego, California, United States, 92106

Active, Not Recruiting

10

Clinical Site

Farmington, Connecticut, United States, 06030

Actively Recruiting

11

Clinical Site

Gainesville, Florida, United States, 32607

Withdrawn

12

Clinical Site

Lauderhill, Florida, United States, 33319

Actively Recruiting

13

Clinical Site

Maitland, Florida, United States, 32751

Actively Recruiting

14

Clinical Site

Miami, Florida, United States, 33122

Actively Recruiting

15

Clinical Site

Miami, Florida, United States, 33125

Actively Recruiting

16

Clinical Site

Miami, Florida, United States, 33176

Actively Recruiting

17

Clinical Site

Miami Springs, Florida, United States, 33166

Actively Recruiting

18

Clinical Site

Orlando, Florida, United States, 32803

Active, Not Recruiting

19

Clinical Site

Tampa, Florida, United States, 33634

Actively Recruiting

20

Clinical Site

Atlanta, Georgia, United States, 30331

Actively Recruiting

21

Clinical Site

Decatur, Georgia, United States, 30030

Actively Recruiting

22

Clinical Site

Boston, Massachusetts, United States, 02131

Active, Not Recruiting

23

Clinical Site

Ann Arbor, Michigan, United States, 48105

Actively Recruiting

24

Clinical Site

Toms River, New Jersey, United States, 08755

Actively Recruiting

25

Clinical Site

Brooklyn, New York, United States, 11235

Actively Recruiting

26

Clinical Site

North Canton, Ohio, United States, 44720

Actively Recruiting

27

Clinical Site

Oklahoma City, Oklahoma, United States, 73120

Actively Recruiting

28

Clinical Site

Allentown, Pennsylvania, United States, 18104

Actively Recruiting

29

Clinical Site

Media, Pennsylvania, United States, 19063

Actively Recruiting

30

Clinical Site

Austin, Texas, United States, 78737

Actively Recruiting

31

Clinical Site

Austin, Texas, United States, 78759

Actively Recruiting

32

Clinical SIte

DeSoto, Texas, United States, 75115

Active, Not Recruiting

33

Clinical Site

Plano, Texas, United States, 75093

Actively Recruiting

34

Clinical Site

Bellevue, Washington, United States, 98007

Actively Recruiting

35

Clinical Site

Blagoevgrad, Bulgaria, 2700

Actively Recruiting

36

Clinical Site

Burgas, Bulgaria, 8001

Actively Recruiting

37

Clinical Site

Pleven, Bulgaria, 5800

Actively Recruiting

38

Clinical Site

Plovdiv, Bulgaria, 4002

Actively Recruiting

39

Clinical Site

Rousse, Bulgaria, 7000

Actively Recruiting

40

Clinical Site

Sofia, Bulgaria, 1113

Actively Recruiting

41

Clinical Site

Sofia, Bulgaria, 1408

Actively Recruiting

42

Clinical Site

Sofia, Bulgaria, 1510

Actively Recruiting

43

Clinical Site

Sofia, Bulgaria, 1680

Actively Recruiting

44

Clinical Site

Targovishte, Bulgaria, 7703

Actively Recruiting

45

Clinical Site

Varna, Bulgaria, 9010

Actively Recruiting

46

Clinical Site

Varna, Bulgaria, 9020

Actively Recruiting

47

Clinical Site

Vratsa, Bulgaria, 3000

Actively Recruiting

48

Clinical Site

Brno, Czechia, 602 00

Actively Recruiting

49

Clinical Site

Pilsen, Czechia, 301 00

Actively Recruiting

50

Clinical Site

Prague, Czechia, 100 00

Actively Recruiting

51

Clinical Site

Prague, Czechia, 160 00

Actively Recruiting

52

Clinical Site

Prague, Czechia, 186 00

Actively Recruiting

53

Clinical Site

Helsinki, Finland, 00100

Not Yet Recruiting

54

Clinical Site

Kuopio, Finland, 70110

Not Yet Recruiting

55

Clinical Site

Oulu, Finland, 90100

Not Yet Recruiting

56

Clinical Site

Tampere, Finland, 33210

Not Yet Recruiting

57

Clinical Site

Bialystok, Poland, 15404

Actively Recruiting

58

Clinical Site

Bydgoszcz, Poland, 85-080

Actively Recruiting

59

Clinical Site

Gorlice, Poland, 38300

Actively Recruiting

60

Clinical Site

Leszno, Poland, 64100

Actively Recruiting

61

Clinical Site

Poznan, Poland, 60744

Not Yet Recruiting

62

Clinical Site

Torun, Poland, 87100

Actively Recruiting

63

Clinical Site 2

Belgrade, Serbia, 11000

Actively Recruiting

64

Clinical Site 3

Belgrade, Serbia, 11000

Actively Recruiting

65

Clinical Site 4

Belgrade, Serbia, 11000

Actively Recruiting

66

Clinical Site

Belgrade, Serbia, 11000

Actively Recruiting

67

Clinical Site

Kovin, Serbia, 26220

Actively Recruiting

68

Clinical Site

Kragujevac, Serbia, 34000

Actively Recruiting

69

Clinical Site

Novi Kneževac, Serbia, 23330

Actively Recruiting

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Research Team

I

ITI Clinical Trials

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

TRIPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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Study of ITI-1284 as an Adjunctive Treatment in Patients With Generalized Anxiety Disorder | DecenTrialz