330 Participants Needed

CYB003 for Depression

(EMBRACE Trial)

Recruiting at 3 trial locations
CD
Overseen ByClinical Development
Age: 18+
Sex: Any
Trial Phase: Phase 3
Sponsor: Cybin IRL Limited
Must be taking: Antidepressants
Stay on Your Current MedsYou can continue your current medications while participating
Pivotal Trial (Near Approval)This treatment is in the last trial phase before FDA approval
Prior Safety DataThis treatment has passed at least one previous human trial
Breakthrough TherapyThis drug has been fast-tracked for approval by the FDA given its high promise

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests the effectiveness and safety of a new treatment, CYB003, for individuals with major depressive disorder (MDD) who continue to experience symptoms despite taking antidepressants. Participants will receive different doses of CYB003 or a placebo, alongside their current medication and psychological support. Ideal candidates have moderate to severe depression and have maintained a stable dose of antidepressants for at least four weeks. As a Phase 3 trial, this study serves as the final step before FDA approval, providing participants an opportunity to contribute to the development of a potentially groundbreaking treatment for depression.

Do I have to stop taking my current medications for the trial?

Yes, you may need to stop certain medications. The trial excludes participants currently taking monoamine oxidase inhibitors, tricyclic antidepressants, mirtazapine, trazodone, moclobemide, buspirone, or any antipsychotic or mood stabilizer.

Is there any evidence suggesting that CYB003 is likely to be safe for humans?

Research has shown that CYB003, a treatment being tested for depression, was safe in earlier studies. In one study, all participants responded to the treatment, and 71% were free from depression a year after receiving two doses of 16 mg. This suggests the treatment was well-tolerated, with no major safety issues reported.

The FDA has given CYB003 a Breakthrough Therapy Designation, indicating it has shown promise in trials and might offer significant benefits over current treatments. However, note that the study is in a late phase, when more information about safety and side effects becomes available.

For those considering participation, it may be reassuring to know that previous patients tolerated CYB003 well, with reports of effectiveness and safety. Always consult a healthcare provider to determine if joining this trial is appropriate.12345

Why do researchers think this study treatment might be promising for depression?

Researchers are excited about CYB003 for depression because it offers a potentially new approach compared to standard treatments like SSRIs or SNRIs, which usually take weeks to kick in. CYB003 is a synthetic psilocybin analog, which means it's derived from compounds found in magic mushrooms but is designed to be more stable and predictable. This treatment is unique because it might work faster and offer relief in a shorter time frame, possibly after just a couple of sessions. Additionally, CYB003 could provide benefits even for those who haven't responded well to existing antidepressants.

What evidence suggests that CYB003 could be an effective treatment for depression?

Research has shown that CYB003 may help treat major depressive disorder (MDD). In this trial, participants in Experimental Arm B will receive two doses of 16 mg of CYB003, while those in Experimental Arm A will receive two doses of 8 mg. One study found that after taking two doses of 16 mg of CYB003, all participants showed improvement, and 71% were free of symptoms after 12 months. Earlier research also demonstrated significant and lasting symptom relief over four months. These results suggest that CYB003 could be an effective treatment for people with MDD.13567

Who Is on the Research Team?

FM

Felix Mazer

Principal Investigator

Cybin IRL Limited

Are You a Good Fit for This Trial?

This trial is for adults with Major Depressive Disorder (MDD) who have moderate to severe symptoms. They must have a BMI of 40 or less, controlled high blood pressure, and not smoke during the study. Participants need to use contraception and those capable of pregnancy must test negative before dosing. Stable antidepressant use for at least 4 weeks prior is required.

Inclusion Criteria

Are you currently depressed?
Are you currently on a single medication for your depression that you have taken for at least 4 weeks?

Exclusion Criteria

Does the patient have a current diagnosis of obsessive compulsive disorder (OCD)?
Does the patient have a history of Hypothyroidism?
Does the patient have a history of Hyperthyroidism?
See 49 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

6 weeks
Multiple visits for assessments

Treatment

Participants receive CYB003 or placebo in 2 dosing sessions, approximately three weeks apart, while continuing on their current antidepressants and receiving psychological support

6 weeks
2 dosing sessions, approximately 3 weeks apart

Follow-up

Participants are monitored for safety and effectiveness after treatment

6 weeks
Visits at Day 63 and Day 84/End of Trial

Open-label extension (optional)

Non-responders will be eligible to receive CYB003 in a subsequent extension trial

What Are the Treatments Tested in This Trial?

Interventions

  • CYB003

Trial Overview

The trial tests CYB003's effectiveness alongside psychological support against a placebo in people with MDD. It aims to see if CYB003 can improve depression symptoms safely and without causing too much discomfort compared to no active treatment.

How Is the Trial Designed?

3

Treatment groups

Experimental Treatment

Placebo Group

Group I: Experimental Arm B CYB003 in 2 of 2 Dosing SessionsExperimental Treatment2 Interventions
Group II: Experimental Arm A CYB003 in 2 of 2 Dosing SessionsExperimental Treatment2 Interventions
Group III: Placebo Comparator: Arm C Placebo in 2 of 2 Dosing SessionPlacebo Group1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Cybin IRL Limited

Lead Sponsor

Trials
5
Recruited
860+

Worldwide Clinical Trials

Collaborator

Trials
70
Recruited
15,800+

Citations

Cybin Reports Positive Phase 2 Data for CYB003 ...

100% of participants were responsive to treatment and 71% of participants were in remission at 12 months after just two 16 mg doses of CYB003.

A Study of a Psilocybin Analog (CYB003) in Healthy ...

The purpose of this study is to determine the safety and tolerability of ascending oral doses of CYB003 in healthy participants with and without major ...

CYB003 for the Adjunctive Treatment of Major Depressive ...

CYB003 already saw positive 4-month efficacy data in MDD in phase 2 studies. Investigators noted robust and sustained improvements in symptoms ...

Efficacy and safety of psilocybin in the treatment of Major ...

This meta-analysis supports psilocybin's efficacy in treating MDD, particularly at a 25 mg dose, showing a time-dependent therapeutic effect.

Deuterated Psilocin Analog (CYB003) in Humans With ...

The purpose of this study is to examine the efficacy, safety, and tolerability of CYB003 compared to matching placebo as adjunctive treatment in participants ...

"A Study of a Deuterated Psilocin Analog (CYB003) in ...

The purpose of this study is to examine the efficacy, safety, and tolerability of CYB003 compared to matching placebo as adjunctive treatment in ...

FDA Breakthrough Therapy Designation Granted to Novel ...

Efficacy and Safety Data: Data from the phase 2 trial of CYB003 for MDD showed robust and sustained improvements in depression symptoms, with ...