A Phase 1 Study of Neoadjuvant Abemaciclib in Combination With Radiation Therapy for Liposarcomas

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of Washington

About this trial

This phase I trial tests the safety, side effects, and best dose of abemaciclib and how well it works with radiation therapy before surgery in treating patients with high-risk adipocytic retroperitoneal sarcoma. Abemaciclib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Radiation therapy uses high energy x-rays to kill tumor cells and shrink tumors. Giving abemaciclib together with radiation therapy before surgery may shrink tumors in patients with high-risk adipocytic retroperitoneal sarcoma.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Subjects, >= 18 years old, must have newly diagnosed or locally recurrent MDM2 or CDK4-amplified adipocytic sarcoma as determined by fluorescence in situ hybridization (FISH), or other clinically appropriate methodology in the opinion of the reviewing pathologist. Histologic or imaging evidence of the presence of a dedifferentiated component must be present

Subjects must have one or more measurable target lesions by Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1), assessed via CT scan or MRI

At the time of study enrollment, subjects must have a tumor burden that is judged to be surgically resectable

Have plans to undergo neoadjuvant radiation therapy followed by surgical resection. Review and approval of final treatment plans for subjects receiving radiotherapy locally/at an outside institution must be reviewed and approved by a radiation oncologist investigator prior to initiation of radiotherapy

Disqualifiers

Receipt of any type of cytotoxic, biologic or other systemic anticancer therapy (including investigational) for the investigational diagnosis

Receipt of any prior radiation therapy for any reason to the affected area

Known central nervous system (CNS) metastases

Evidence of distant metastatic disease at time of treatment initiation

Trial design

Design model

Single group

Treatments tested in this trial

  • Abemaciclib

    Drug

    Given PO

  • Computed Tomography

    Procedure/Surgery

    Undergo CT

  • Magnetic Resonance Imaging

    Procedure/Surgery

    Undergo MRI

  • Radiation Therapy

    Radiation

    Undergo radiation therapy

  • Therapeutic Surgical Procedure

    Procedure/Surgery

    Undergo surgery

Treatment groups

18 Participants
are divided into 1 treatment group
Group A: Treatment (abemaciclib, radiation therapy, surgery)Experimental treatment 5 interventions

Trial outcomes

Primary outcomes

1

Recommended phase 2 dose of abemaciclib in combination with radiation

Time frame
Up to 28 days

Secondary outcomes

1

Rate of pathologic response

Time frame
Up to 2 years
2

Rate of surgical excision with negative margins

Time frame
Up to 2 years
3

Incidence of adverse events

Will be assessed by National Cancer Institute (NCI)-Common Terminology Criteria for Adverse Events (CTCAE), version 5.0.

Time frame
Up to 30 days post treatment
4

Rate of discontinuation of abemaciclib monotherapy

Time frame
Within the first 15 days (+7 days) of Cycle 1 Day 1 (Cycle is 28 days)

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

University of Washington

Lead sponsor

Eli Lilly and Company

Collaborator