Evaluating a new medication for generalized anxiety disorder

A Multicenter, Randomized, Double-blind, Placebo-controlled Phase Ⅲ Study to Evaluate the Efficacy and Safety of Toludesvenlafaxine Hydrochloride Sustained-release Tablets in Participants With Generalized Anxiety Disorder.

Phase 3 Interventional Luye Pharma Group Ltd. · NCT05970510

This study is testing a new medication for anxiety to see if it helps adults with generalized anxiety disorder feel better compared to a placebo.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment555 (estimated)
Ages18 Years to 65 Years
SexAll
SponsorLuye Pharma Group Ltd. Industry-sponsored
Locations1 site (Beijing)
Trial IDNCT05970510 on ClinicalTrials.gov

What this trial studies

This study evaluates the efficacy and safety of Toludesvenlafaxine Hydrochloride Sustained-release Tablets in adults diagnosed with generalized anxiety disorder. Participants will undergo a screening period followed by an 8-week double-blind treatment phase, where they will be randomly assigned to receive either the medication at two different doses or a placebo. The study aims to assess changes in anxiety levels using standardized rating scales throughout the treatment period.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 65 who meet the DSM-5 criteria for generalized anxiety disorder and have a significant level of anxiety as measured by specific rating scales.

Not a fit: Patients with other psychotic disorders or those who have had major depression within the last six months may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new effective treatment option for patients suffering from generalized anxiety disorder.

How similar studies have performed: Other studies have shown promise in treating generalized anxiety disorder with similar pharmacological approaches, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Male or female aged 18 to 65 years subjects;
2. Meet the Diagnostic and Statistical Manual of Manual Disorders, fifth Edition(DSM-5) criteria for Generalized Anxiety Disorder;
3. Have a Hamilton Anxiety(HAMA) Rating Scale total score ≥21 points at screening and baseline;
4. Have a Hamilton Anxiety(HAMA) Rating Scale score ≥2 points on both item 1(anxious mood) and item 2(tension) at screening and baseline;
5. Have a clinical Global Impression -severity illness (CGI-S) score≥4 points at screening and baseline.

Exclusion Criteria:

1. Meet the diagnostic criteria for other psychotic disorders(defined by DSM-5, except for GAD), including major depression disorder within 6 months prior to screening , presence or history of Schizophrenia Spectrum and Other Psychotic Disorders, Bipolar and Related Disorders, Obsessive-Compulsive and related Disorders, post-traumatic stress disorder, anorexia nervosa or bulimia and personality disorder;
2. Meet the diagnostic criteria for substance or alcohol abuse (defined by DSM-5, except for nicotine or caffeine) within 6 months prior to screening;
3. Have anxious symtoms secondary to other physical illnesses or mental illnesses and anxious induced by psychoactive substance;
4. Withdrawal psychotropic drugs within 5 half-lives (at least 2 weeks for monoamine oxidase inhibitors, at least 1 month for fluoxetine, and at least 2 weeks for benzodiazepines or barbiturates) prior to randomization;
5. Have received psychosurgery or physical therapy for psychiatric illness (such as transcranial magnetic stimulation) within 3 months prior to screening;
6. Have received systematic psychotherapy or other non-drug therapies for psychiatric disorders (such as acupuncture or light therapy) within 6 weeks prior to screening;
7. Concomitant with serious and unstable illness, including cardiovascular, hepatic, renal, hematological, endocrine illness, malignant tumors and other physical illness;
8. Have a history of seizures (except for seizures caused by febrile convulsions in childhood);
9. Have a history of gastrointestinal disease or surgery known to interfere with investigation product absorption or excretion;
10. Known or suspected allergic or severe reaction to investigation product or inactive ingredients; or allergic to venlafaxine or desvenlafaxine; or allergic constitution (defined as allergic to two or more drugs or food) and unfit to participate judged by investigator;

Where this trial is running

Beijing

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Generalized Anxiety DisorderToludesvenlafaxine Hydrochloride Sustained-release Tabletgeneralized anxiety disorderefficacysafety
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.