Assessing Dopamine Transporter Occupancy in the Patients With Depression Brain With Toludesvenlafaxine Hydrochloride Extended-Release Tablets Using 11C-CFT Positron Emission Tomography (PET)

Major Depressive Disorder Clinical Trial

Official title:

A Single-Arm, Open-Label, Exploratory Mechanistic Validation (PoM) Clinical Trial of Toludesvenlafaxine Hydrochloride Extended-Release Tablets Assessing Dopamine Transporter Occupancy in the Patients With Depression Brain Using 11C-CFT Positron Emission Tomography (PET)

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT06026917
• Other study ID #: SMHC-235
• Status: Recruiting
• Phase: Phase 4
• Start date: September 25, 2023
• Est. completion date: March 31, 2024

Study information

• Verified date: August 2023
• Source: Shanghai Mental Health Center
• Contact: YIFENG SHEN, MD
• Phone: +8618017311040
• Email: shenyifeng[@]yahoo.com
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This study was a single-arm, open-label clinical study to assess dopamine transporter occupancy in the brain of patients with depression using 11C-CFT positron emission tomography (PET).

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 15
• Est. completion date: March 31, 2024
• Est. primary completion date: January 31, 2024
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• Male and female outpatients aged 18 years and older;

• Meet DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th Edition) diagnostic criteria for depression (296.2/296.3), and not accompanied by psychotic features;

• A Montgomery - Asberg Depression Rating Scale (MADRS) total score = 26 at screening;

• Anhedonia scale score < 28.5 at screening;

• Subjects and their partners take effective non-drug contraceptive measures (such as abstinence and condom with intravaginal spermicide) throughout the study and within 6 months after the end of the study, and have no sperm donation plan;

• The subject is willing to participate in the trial and sign the informed consent form and is able to comply with the scheduled visits, treatment plan, laboratory tests and other study procedures.

Exclusion Criteria:

• Known to have a history of allergy to any component of the investigational drug or similar drugs, or allergic constitution (defined as allergy to two or more drugs or food) and the investigator determines that it is not appropriate to participate in the trial;

• Significant suicide attempt or behavior, MADRS scale item 10 (suicidal ideation) score = 4 points;

• Pregnant or lactating women, recently planned pregnancy;

• Those who meet DSM-5 diagnosis of schizophrenia spectrum or other psychoses, bipolar or related disorders, obsessive-compulsive and related disorders, traumatic and stress-related disorders, dissociative disorders, anorexia nervosa or bulimia, personality disorders, substance-related or alcohol use disorders (except nicotine or caffeine);

• Patients with depression secondary to other mental or physical diseases or with a past medical history or family history of movement disorders (such as Parkinson's disease);

• Receipt of any contrast agent or radiopharmaceutical within 48 hours before the application of the trial drug, or planned application of contrast agent within 24 hours after the administration of the trial drug;

• Contraindications to PET or MRI (magnetic resonance imaging) (including claustrophobia, alcohol allergy, cardiac pacemaker and neurostimulator in the body, metal foreign body or tracer component allergy, etc.); in the past 10 years,Major occupational exposure to ionizing radiation (e.g., more than 50 nanovolts/year) or exposure to radioactive substances or ionizing radiation for therapeutic or research purposes;

• Patients who stopped antidepressant drugs for less than 7 half-lives (at least 2 weeks for monoamine oxidase inhibitors and at least 1 month for fluoxetine) before entering the group;

• History of gastrointestinal disease known to interfere with drug absorption or excretion or history of surgery known to interfere with drug absorption or excretion;

• History of increased intraocular pressure or narrow glaucoma;

• Total bilirubin (TBIL) value 1.5 times higher than the upper limit of normal, alanine aminotransferase (ALT) or aspartate aminotransferase (AST) 3 times higher than the upper limit of normal, thyroid stimulating hormone (TSH) higher than the normal range or glomerular filtration rate (GFR) = 70 mL/min at screening or baseline;

• Patients with serious unstable cardiovascular disease, liver disease, kidney disease, blood disease, endocrine disease, central nervous system and other physical diseases or medical history, or the subjects are not suitable for the study judged by the investigator.

Related Conditions & MeSH terms

• Depressive Disorder
• Depressive Disorder, Major
• Major Depressive Disorder

Intervention

Drug:
• Toludesvenlafaxine hydrochloride sustained-release tablets
D1~D6, 40mg/ tablet, 1 tablet per time, once a day, D7~D10, 80mg/ tablet, 1 tablet per time, once a day, D11~D42, 80mg/ tablet, 2 tablets per time, once a day. For subjects who cannot tolerate 160mg, the dose may be reduced to 80mg/ dose once daily. After the number of subjects receiving 160mg/ dose reached 6, the remaining subjects received D11~D42, 80mg/ tablet, one tablet each time, once a day.

Locations

Country	Name	City	State
China	Shanghai Mental Health Center	Shanghai	Shanghai

Sponsors (2)

Lead Sponsor	Collaborator
Shanghai Mental Health Center	Yantai University

Country where clinical trial is conducted

China, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Percentage of Dopamine Transporters Occupancy in the Basal Ganglia(Positron emission tomography with 11C-CFT) was determine by SUVr of the Basal Ganglia DAT.		from baseline to day 14 and 42
Secondary	Changes in the total score of 10 items on the Montgomery-Asperger's Depression Scale (MADRS) from baseline		from baseline to day 42
Secondary	Changes in the Scores anhedonia		from baseline to day 42
Secondary	Incidence Rate of Adverse event		from baseline to day 42