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Continuation Protocol for ZEN003694 in Patients Experiencing Clinical Benefit While Enrolled in a ZEN003694 Protocol

Continuation Protocol for ZEN003694 in Patients Experiencing Clinical Benefit While Enrolled in a ZEN003694 Protocol

Status
Enrolling by invitation
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04145375
Enrollment
40
Registered
2019-10-30
Start date
2019-11-12
Completion date
2027-12-31
Last updated
2026-05-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

mCRPC

Keywords

Zenith, prostate cancer

Brief summary

Continuation Protocol for ZEN003694 in Patients Experiencing Clinical Benefit While Enrolled in a ZEN003694 Protocol

Detailed description

This is an open label, non-randomized, single-arm continuation protocol study using ZEN003694. Patients who have completed participation in their original ("parent") ZEN003694 protocol and have clinical benefit as determined by the investigator may continue to receive treatment with ZEN003694 in the continuation protocol. The patient must have been enrolled in a Zenith Epigenetics sponsored ZEN003694 therapeutic study to be eligible for participation in this continuation protocol.

Interventions

Up to 120mg

DRUGEnzalutamide

160mg

Sponsors

Zenith Epigenetics
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Protocol-defined completion in a parent ZEN003694 trial 2. Patient has clinical benefit as determined by the investigator at the time of entry to the continuation protocol 3. ECOG performance status of 0 or 1 4. Acceptable ZEN003694 tolerability, in the judgment of the investigator 5. Initiation of dosing in this continuation trial to occur within two weeks (14 days) of completing dosing in the parent trial, unless more time is approved by the sponsor in writing

Exclusion criteria

1. Concurrent participation in another clinical investigational treatment trial 2. Require addition of or change to a new concomitant therapy to adequately treat the malignancy under study 3. Discontinued ZEN003694 or withdrew consent to participate in original Zenith Epigenetics-sponsored ZEN003694 study 4. Any other reason that in the opinion of the Investigator would prevent the patient from completing participation or following the study schedule

Design outcomes

Primary

MeasureTime frame
Incidence of treatment-related adverse events (AE) and treatment-related serious adverse events (SAE)Up to 3 years

Secondary

MeasureTime frame
Evaluate radiographic response rate by RECIST 1.1 criteriaUp to 3 years
Evaluate Overall survival (OS): Time from date of first dose of ZEN003694 in the parent protocol or randomization to the date of death from any causeUp to 3 years

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 9, 2026