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Major Depressive DisorderPhase 2NCT02395978

A Phase II Study of PDC-1421 Capsule to Evaluate the Safety and Efficacy in Patients With Major Depressive Disorder

A Phase 2 study testing PDC-1421 Capsule in people with Major Depressive Disorder, run by BioLite, Inc. at 5 sites in 2 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the safety and efficacy in patients with major depressive disorder. Read more about this study

Who is it for?
Ages 20 to 65 years
Conditions the study is for
Major Depressive Disorder
What is being tested?
PDC-1421 Capsule
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
72 participants
Where
5 sitesin 2 countries
Study dates
10 Apr 2015to 18 Mar 2019
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Outpatients aged 20-65 years
  • Subjects must be able to understand and willing to sign informed consent
  • Female subjects of child-bearing potential must test negative to pregnancy and use appropriate birth control method from the beginning of study to the 15 days later after ending of study
  • Met criteria for MDD without psychotic features as defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition Text Revision® (DSM-IV-TR) and confirmed by use of the Mini International Neuropsychiatric Interview (MINI).
  • 17-item HAM-D (Hamilton Rating Scale for Depression) total score ≧20 and CGI (Clinical Global Impression) total score ≧4

Who cannot join

  • Have a current or previous major psychiatric disorders which be defined to be per the DSM-IV-TR, including obsessive-compulsive disorder, posttraumatic stress disorder, bipolar I or II, manic or hypomanic episode, schizophrenia, major Axis II disorders which might compromise the study, and major depression with psychotic symptoms, mental retardation.
  • Use of any treatment for MDD in the last 2 weeks before visit 1 (4 weeks for fluoxetine).
  • Use of psychoactive drugs within the last 2 weeks before visit 1 other than that subjects had insomnia who need the treatment as determined by the Investigator.
  • Subjects who were non-responsive to two or more courses of antidepressant medications given an adequate dosage for symptom treatment within four weeks, or by the judgment of the investigator considered to have treatment resistant depression (TRD), or a history of electroconvulsive therapy (ECT), transcranial magnetic stimulation (TMS) or psychosurgery within the last year.
  • Have a history of any seizure disorder.
  • Any clinically significant abnormal vital sign, ECG, laboratory values as determined by the investigator which might interfere with the study.
Show all 10Show fewer
  • Any organic disorder caused u medical related depression which cannot be under well-controlled such as clinically significant in neurological, gastrointestinal, renal, hepatic, cardiovascular, respiratory, metabolic, endocrine, hematological or other major disorders
  • Have a high suicidal risk as measured by MINI.
  • Have a history of substance abuse within the past 6 months or a positive urine drug screen for any substance of abuse at visit 1.
  • Have a history of severe allergies to more than 1 class of medication or multiple adverse drug reactions.

Trial locations and contacts

5 sites in 2 countries.

5 sites in 2 countries

Taiwan4 sites
  • Taipei Veterans General Hospital

    Taipei

  • Tri-Service General Hospital, Neihu Main Facility

    Taipei

  • Wan Fang Hospital

    Taipei

  • Linkou Chang Gung Memorial Hospital

    Taoyuan

Other trials in Taiwan

United States1 site
  • Stanford Depression Research Clinic

    San Francisco, California, 94305

Other trials in United States

About this study

The purpose of this study is to evaluate the safety and efficacy in patients with major depressive disorder.

Read the detailed description

The screening phase is intended for diagnosing and assessing the patient for possible inclusion in the study and for providing an adequate washout period. The following study will be conducted in two parts. Part I is an open-label study, multiple center and dose escalation evaluation in twelve patients. Six subjects each will be evaluated for safety and efficacy assessments at 1 or 2 capsules TID dose for 28 days, sequentially. Each of them will be assessed twice in the first week after administration of PDC-1421 Capsules and once a week in the following treatment.

Part II is a randomized, double-blind, placebo-controlled, parallel-group study. 60 subjects will be randomly assigned on a 1:1:1 basis to one of the three arms (1 PDC-1421 Capsule plus 1 placebo TID, 2 PDC-1421 Capsules TID, 2 placebo TID) for 6 weeks and evaluated the safety and efficacy every two weeks during the treatment period.

Being tested
PDC-1421 Capsule, placebo
Medical subject headings
Depressive Disorder, Major

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PDC-1421 CapsuleDrug

    Also called BLI-1005

    PDC-1421 Capsule is a botanical investigational new drug containing the extract of Radix Polygalae (Polygala tenuifolia Willd.) as active ingredient.

  • placeboDrug

    Placebo contained corn starch.

Study groups in NCT02395978
Study groupRoleWhat they receive
Part I: 1 PDC-1421 CapsuleExperimental1 PDC-1421 Capsule TID, p.o. after meal for 28 days
Receives: Drug: PDC-1421 Capsule
Part I: 2 PDC-1421 CapsuleExperimental2 PDC-1421 Capsule TID, p.o. after meal for 28 days
Receives: Drug: PDC-1421 Capsule
Part II: 2 PDC-1421 CapsuleExperimental2 PDC-1421 Capsule TID, p.o. after meal for 42 days
Receives: Drug: PDC-1421 Capsule
Part II: 1 PDC-1421 Capsule plus 1 placeboExperimental1 PDC-1421 Capsule plus 1 placebo TID, p.o. after meal for 42 days
Receives: Drug: PDC-1421 Capsule; Drug: placebo
Part II: 2 placeboPlacebo comparator2 placebo TID, p.o. after meal for 42 days
Receives: Drug: placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change of Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Baseline to Week 6 Compared to Placebo for Part II.

    The MADRS is a 10-item checklist of depressive symptoms. Each Item is rated on a scale of 0-6, with anchors at 2-point intervals; higher scores indicating more severity (i.e., ranging from 0 [no sadness] to 6 extremely despondent]). The total MADRS score was calculated by summing the ratings of all items. The total MADRS score for this measure ranges from 0 (absence of symptoms) to 60 (maximum severity).

    Measured: From Baseline to Week 6

Secondary outcomes (9)
  1. Change of Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Baseline to Week 2, 4 and 7 Part II.

    The MADRS is a 10-item checklist of depressive symptoms. Each Item is rated on a scale of 0-6, with anchors at 2-point intervals; higher scores indicating more severity (i.e., ranging from 0 [no sadness] to 6 extremely despondent]). The total MADRS score was calculated by summing the ratings of all items. The total MADRS score for this measure ranges from 0 (absence of symptoms) to 60 (maximum severity).

    Measured: From Baseline to Week 2, 4, 7

  2. Change of Hamilton Depression Rating Scale (HAM-D-17) Total Score From Baseline to Week 2, 4, 6 and 7 for Part II.

    HAM-D-17 scale is a clinician rated scale comprised of 17 items aimed at assessing depression severity among patients for treatment. Each item on the questionnaire is scored on a 3 point (8 items) or 5 point (9 items) scale, depending on the item. The total HAM-D-17 score was calculated by summing the ratings of all items. . The highest possible score was 52, which represented the most severe measure of depression; the lowest possible score was 0, which represented an absence of depression.

    Measured: From Baseline to Week 2, 4, 6 and 7

  3. Change of Hamilton Anxiety Rating Scale (HAM-A) Total Score From Baseline to Week 2, 4, 6 and 7 for Part II.

    HAM-A is a series of questions related to symptoms of anxiety. It rates the individual on a five-point scale (0~4) for each of the 14 items. Seven of the items specifically address psychic anxiety and the remaining seven items address somatic anxiety. The total HAM-A score was calculated by summing the ratings of all items. The total HAM-A score ranges from 0 to 56. The higher score represented a more severe measure of anxiety.

    Measured: From Baseline to Week 2, 4, 6 and 7

  4. Change of Depression and Somatic Symptoms Scale (DSSS) From Baseline to Week 2, 4, 6 and 7 for Part II

    DSSS includes a simultaneous measure of depression and somatic symptoms that two issues frequently co-occur. Consisting of 22 items, the DSSS includes 12 depression-related items (even items + item-21) and 10 somatic items (add items without item-21) - 5 of which query pain symptoms(item-1, 7, 11, 13, 17), forming a pain sub-scale. Each Item is rated on a scale of 0 (Absent) - 3 (Severe).

    DSSS Depression Sub-Score was calculated by summing the 12 depression-related items with ranges from 0 (absence of symptoms) to 36 (maximum severity).

    DSSS Somatic Sub-Score was calculated by summing the 10 somatin-related items with ranges from 0 (absence of symptoms) to 30 (maximum severity).

    DSSS Pain Sub-Score was calculated by summing the 5 pain-related items with ranges from 0 (absence of symptoms) to 15 (maximum severity).

    Measured: From Baseline to Week 2, 4, 6 and 7

  5. Change of Clinical Global Impression Scale - Severity (CGI-S) From Baseline to Week 2, 4, 6 and 7 for Part II.

    CGI-Severity (CGI-S) is a 7-point scale which rates illness severity of psychopathology from 1 (normal, not at all ill) to 7 (among the most extremely ill).

    Measured: From Baseline to Week 2, 4, 6 and 7

  6. Percentage of Responders and Partial Responders in MADRS by Week 2, 4, 6 and 7 Weeks for Part II.

    Responder defined as a participant with ≧50% decrease from baseline in total score.

    Partial responder defined as a participant with a ≧25 and <50% decrease from baseline in total score.

    Measured: From Baseline to Week 2, 4, 6 and 7

  7. Number of Subjects With Suicidal Ideations Collected by Columbia-Suicide Severity Rating Scale (C-SSRS) From Baseline to Week 2, 4, 6 and 7 for Part II.

    The FDA has adopted the 11 categories defined in the C-SSRS (Category 1 to 5 for suicidal ideation , Category 6 to 10 for suicidal behavior, and Category 11 for self-injurious behavior without suicidal intent) as their standard.

    Number of subjects with Suicidal Ideation: The maximum suicidal ideation category (1-5 on the C-SSRS) present at the assessment. Assign a score of 0 if no ideation is present.

    Measured: From screen to Week 2, 4, 6 and 7

  8. Number of Subjects With Suicidal Behaviors Collected by Columbia-Suicide Severity Rating Scale (C-SSRS) From Baseline to Week 2, 4, 6 and 7 for Part II.

    The FDA has adopted the 11 categories defined in the C-SSRS (Category 1 to 5 for suicidal ideation , Category 6 to 10 for suicidal behavior, and Category 11 for self-injurious behavior without suicidal intent) as their standard.

    Number of subjects with Suicidal Behavior: The maximum suicidal ideation category (6-10 on the C-SSRS) present at the assessment. Assign a score of 0 if no ideation is present.

    Measured: From screen to Week 2, 4, 6 and 7

  9. Clinical Global Impression Scale -Improvement (CGI-I) From Baseline to Week 2, 4, 6 and 7 for Part II.

    CGI-Improvement (CGI-I) is a 7-point scale which rates illness has improved or worsened relative to a baseline state from 1 (Very much improved) to 7 (Very much worse).

    Measured: From Baseline to Week 2, 4, 6 and 7

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Mar 2015 (estimated)
  2. Study start10 Apr 2015
  3. Primary completion12 Mar 2019
  4. Study completion18 Mar 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Part I is a open label, dose escalation with two dosage levels study. Part II is a randomized (1:1:1), double-blind, placebo-controlled, parallel groups with three treatment arms.
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
72 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02395978
Sponsor's protocol ID
Phase II BLI-1005-002
Status last verified
Nov 2019
First submitted
17 Sep 2014
Last updated
22 Jul 2021
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing PDC-1421 Capsule in people with Major Depressive Disorder, run by BioLite, Inc. at 5 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Jul 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites in Taiwan, United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 29 Sep 2020). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change of Montgomery-Asberg Depression Rating Scale (MADRS) Total Score From Baseline to Week 6 Compared to Placebo for Part II. (time frame: From Baseline to Week 6). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Jul 2021.

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