NCT05127369

Brief Summary

This is a single center phase I / II clinical trial. Randomized, blind and positive drug parallel control were used to evaluate the safety and effectiveness of dental pulp mesenchymal cell injection in the treatment of depression 8 weeks after administration

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
48

participants targeted

Target at P25-P50 for not_applicable depression

Timeline
Completed

Started Jan 2022

Typical duration for not_applicable depression

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 12, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

November 19, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

January 1, 2022

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2023

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2024

Completed
Last Updated

November 19, 2021

Status Verified

November 1, 2021

Enrollment Period

2 years

First QC Date

November 12, 2021

Last Update Submit

November 18, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • The total score of Montgomery Asperger Depression Scale (MADRS) decreased from baseline after 8 weeks of treatment

    8 weeks

Secondary Outcomes (2)

  • Effective rate of treatment (effective: the total score of MADRS decreased by ≥ 50% compared with baseline)

    8 weeks

  • Remission rate of treatment (remission: MADRS total score ≤ 11 points)

    8 weeks

Study Arms (2)

Test group

EXPERIMENTAL

Dental pulp mesenchymal cell injection (dose: 0.1u/kg) + fluoxetine hydrochloride

Drug: Dental pulp mesenchymal cell injectionDrug: fluoxetine hydrochloride capsule

control group

ACTIVE COMPARATOR

Dental pulp mesenchymal cell injection vehicle + fluoxetine hydrochloride capsule

Drug: Dental pulp mesenchymal cell vehicleDrug: fluoxetine hydrochloride capsule

Interventions

Dental pulp mesenchymal cell injection was administered intravenously on D1, D15 (2 weeks), D29 (4 weeks) and d43 (6 weeks); Fluoxetine hydrochloride capsule / simulant was administered orally daily.

Test group

Dental pulp mesenchymal cell vehicle was administered intravenously on D1, D15 (2 weeks), D29 (4 weeks) and d43 (6 weeks); Fluoxetine hydrochloride capsule / simulant was administered orally daily.

control group

fluoxetine hydrochloride capsule

Test groupcontrol group

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • At the time of signing the informed consent form, the age of 18 ≤ 60, regardless of gender.
  • kg/m2 ≤ body mass index (BMI) ≤ 35kg / m2, male weight ≥ 50kg, female weight ≥ 45kg.
  • Women of childbearing age need to be able to ensure effective contraception (medically approved contraceptive measures, such as intrauterine device, contraceptive pill or condom) during the trial and within 3 months after the end of the trial.
  • According to the diagnostic criteria of diagnostic and Statistical Manual of mental disorders (5th Edition) (dsm-5), it was diagnosed as severe depressive disorder, marked as moderate or severe, and without psychotic characteristics.
  • The total score of Montgomery Asperger Depression Scale (MADRS) in screening period and baseline was ≥ 22, and the CGI-S score was ≥ 4.
  • Compared with the screening period, the change in the total MADRS score at baseline did not exceed 25% of the screening period.
  • The patients fully understand the purpose and requirements of the trial, voluntarily participate in the clinical trial and sign the written informed consent, and are willing to complete the whole trial process according to the trial requirements.

You may not qualify if:

  • It meets dsm-5 diagnostic criteria for other mental disorders.
  • A depressive episode secondary to physical or other mental illness.
  • The researchers determined that there was a high risk of suicide: there were serious suicides and self injuries within 1 month before or during the screening; Or those who answered "yes" to item 5 of "suicidal ideation" in the screening Columbia suicide severity rating scale (c-ssrs).
  • The depressive episode is ineffective after sufficient treatment with one or more antidepressants (at least 6 weeks according to the dosage in the manual).
  • Those who had received electroconvulsive therapy (ECT) within 1 month before screening.
  • Patients who have received other stem cell therapy.
  • Have a history of infection within 1 month before screening and need hospitalization and / or antibiotic treatment; Or currently using systemic sex hormones (glucocorticoids), immunosuppressants or cytotoxic therapy.
  • Screening the patients who had been diagnosed with hyperthyroidism or hypothyroidism within the previous year and are still taking drugs; Or have a history of thyroid disease and thyroid stimulating hormone (TSH) is higher than 1.2 times the upper limit of normal value or lower than 0.8 times the lower limit of normal value;
  • Patients with a history of epilepsy (excluding children's history of fever and convulsion).
  • Persons with severe alcohol or drug dependence within 1 year before screening (excluding caffeine or nicotine); Or daily alcohol intake of or above 5 units (1 units =360mL wine or 45mL Baijiu or 120mL wine).
  • Accompanied by severe or unstable cardiovascular, respiratory, liver, kidney, blood, endocrine and central nervous system diseases.
  • Laboratory examination was abnormal, and the researcher determined that it was of important clinical significance, such as: alanine aminotransferase (ALT) or aspartate aminotransferase (AST) exceeded 2.5 times the upper limit of normal; Total bilirubin (TBIL) exceeds 1.5 times of the upper limit of normal value; Creatinine (CR) exceeded 1.2 times the upper limit of normal.
  • QTc interval of ECG in screening stage \> 450 ms (male) or 470 MS (female); Or have a family history of long QT interval syndrome, or have cardiac insufficiency, severe arrhythmia or ischemic heart disease and need drug treatment, have congenital heart disease, severe organic heart disease or have a history of this disease.
  • HIV antibody, HBsAg, HCV antibody or syphilis serological test results are positive.
  • Participated in clinical trials of other drugs within 30 days before screening.
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Depression

Interventions

Fluoxetine

Condition Hierarchy (Ancestors)

Behavioral SymptomsBehavior

Intervention Hierarchy (Ancestors)

PropylaminesAminesOrganic Chemicals

Central Study Contacts

Yong You, Doctor

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 12, 2021

First Posted

November 19, 2021

Study Start

January 1, 2022

Primary Completion

December 30, 2023

Study Completion

June 30, 2024

Last Updated

November 19, 2021

Record last verified: 2021-11

Data Sharing

IPD Sharing
Will not share