New pill aims to quiet the constant worry of anxiety disorder

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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;