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New pill hopes to lift mood in cancer patients

NCT ID NCT03833206

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new drug called PDC-1421 to see if it is safe and helps with depression in people who have cancer. About 12 adults with mild to severe depression and stage I-III cancer will take the drug for up to 5 weeks. Doctors will check mood changes using a standard depression scale.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 12 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jan 2027

An estimate. Start dates often move.

Expected to finish

Feb 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 85 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

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

Eligibility Criteria * 21 to 85 Years of age * Diagnosis of Stage I, II or III cancer * Histologically-proven malignancy * Receiving or within one year of having received cancer treatment with radiation and/or chemotherapy * Montgomery and Åsberg Depression Rating Scale (MADRS) ≥ 20 (moderate to severe depressive symptoms) * Duration of depressive symptoms ≥ 2 weeks by patient report. * No active/acute suicidality requiring immediate care or psychiatric hospitalization * Sufficient English language proficiency to complete all assessments without assistance * Able to swallow pills * No severe anemia, defined as hemoglobin \< 10 g/dL * No history of multiple adverse drug reactions or allergy to study drugs * Not pregnant * No history of head trauma * No history of epilepsy * No other concurrent antidepressant medications Exclusion Criteria * Have a current or previous diagnosis of or history consistent with obsessive-compulsive disorder, posttraumatic stress disorder, bipolar I or II, manic or hypomanic episodes, schizophrenia, major Axis II disorders which might compromise the study, or major depression with psychotic symptoms, as assessed using the MINI International Neuropsychiatric Interview (MINI Plus). * Have a documented history of an intellectual disability. * Use of any antidepressant medication in the last 2 weeks before visit 1 (4 weeks for fluoxetine). * Currently being treated with tamoxifen. * Subjects who were non-responsive to two or more courses of antidepressant medications given at 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, or laboratory values as determined by the investigator which might interfere with the study. * Have a high suicidal risk as assessed using the Columbia-Suicide Severity Rating Scale (C-SSRS). High suicidal risk is indicated by: 1. A positive response to question 4 or 5, indicating endorsement of suicidal ideation with at least some intent to act in the past month; and/or 2. A positive response to part two of question 6, indicating the presence of any suicidal behavior in the past 3 months. * Have a history of substance dependence/abuse\*\* within the past 6 months or a positive drug screen result during the screening period. * Have a history of severe allergies to more than 1 class of medication or multiple adverse drug reactions. * \* An adequate dosage of the antidepressant medication is defined as the average of the usual dose (mg/day) recommended in American Psychiatric Association (APA) Practice Guideline for the Treatment of Patients with Major Depressive Disorder, Third Edition. E.g. the usual dose of Citalopram is 20-60 mg/day, the adequate dosage is 40 mg/day. * \*\* Tobacco is excluded here, and alcohol abuse is defined as average pure alcohol intake is more than 112 g (for male) or 56 g (for female) per week and/or with Alcohol withdrawal syndrome. Pure alcohol intake =% (Concentration or alcohol content) x c.c. (volume)x 0.79 (density of alcohol). Result of serum ethanol test should be equal to or lower than 10.0 mg/dL to be determined as eligible for the trial. If test result is between 10.1 to 29.9 mg/dL, only one re-test is allowed per subject to meet the criterion. Subject with test result equal to or higher than 30.0 mg/dL is to be excluded.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Cedars-Sinai Health System

    Los Angeles, California, 90048, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.