CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 6 enrolled
Drug / intervention
Mirdametinib +1 moredrug
Likely dose
Mirdametinib 2mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05054374
NCT05054374Phase 2Completed

A Phase 1b / 2a, Open-label Platform Study to Evaluate Mirdametinib as Monotherapy or in Combination With Other Anticancer Agents in Patients With Advanced Solid Cancers Harboring MAPK-activating Mutations

Memorial Sloan Kettering Cancer Center·interventional·Posted Sep 23, 2021·Updated May 23, 2025

In Brief

A Phase 2 clinical trial evaluating Mirdametinib and Fulvestrant for Breast Cancer and 6 related conditions. Completed, enrolled 6 participants across 4 sites.

Detailed Summary

The purpose of this study to find out whether mirdametinib is a safe treatment for people with advanced solid tumor cancer that has certain mutations. Researchers will look at whether mirdametinib on its own or in combination with the drug fulvestrant is a safe treatment that causes few or mild side effects in people with advanced solid tumor cancer.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 2CompletedFinished
20222023202420252026
First PostedSep 23, 2021
Enrollment StartSep 14, 2021
Primary CompletionOct 26, 2023
TodayJul 2, 2026
Enrollment to primary: 2.1 yearsPosted 4.8 years ago

Interventions

Mirdametinibdrug

Dose Level -2INT: 2mg PO BID, 3 weeks on/1 week off Dose Level -2: 2mg PO BID given continuously Dose Level -1INT: 3mg PO BID, 3 weeks on/1 week off Dose Level -1: 3mg PO BID given continuously Dose Level 1: 4mg PO BID given continuously Dose Level 2: 6mg PO BID given continuously Dose Level 3: 8mg PO BID given continuously

Fulvestrantdrug

The starting dose of mirdametinib in combination with fulvestrant in each Dose Level will be as follows: * Dose Level 1: mirdametinib 4 mg BID PO + fulvestrant * (Only to be triggered pending DLTs on higher Dose Levels as described below) * Dose Level -2: mirdametinib 2 mg BID PO continuous + fulvestrant, and Dose Level -2INT: mirdametinib 2 mg BID PO on 3 weeks on, 1 week off + fulvestrant