Skip to content
Study details
Enrolling now

A Study of EP0031 in Patients With Advanced RET-altered Malignancies

Ellipses Pharma
NCT IDNCT05443126ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1/2

Target enrollment

265

Study length

about 4.8 years

Ages

18+

Locations

18 sites in CA, DC, FL +11

What this study is about

Researchers are testing a treatment called EP0031 to see if it's safe and effective for people with advanced RET-altered cancers. The trial will help determine the best dose of this medication.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take EP0031

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Primary: Module A: Incidence of Dose-limiting Toxicity (DLTs ) during the first 28 days of EP0031 treatment, Modules B and C: Overall Response Rate (ORR) as measured using RECIST v1.1

Secondary: Area under the plasma concentration versus time curve (AUC), Maximum Plasma Concentration (Cmax), Time taken for drug concentration to fall from half its original value (Half-life)

Body systems

Oncology