A Study of Targeted Agents for Patients With Recurrent or Persistent Endometrial Cancer (EndoMAP)

A

Alliance Foundation Trials

Status and phase

Enrolling
Phase 2
Phase 1

Conditions

Endometrial Cancer

Treatments

Drug: Talazoparib
Drug: Bevacizumab
Drug: Atezolizumab - 28 Day Cycle
Drug: Ipatasertib
Drug: Tiragolumab
Drug: Atezolizumab - 21 Day Cycle
Drug: Trastuzumab emtansine
Drug: Abemaciclib
Drug: Giredestrant
Drug: Letrozole
Drug: Inavolisib

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT04486352
AFT-50

Details and patient eligibility

About

This is a Phase IB/II multi-cohort study designed to evaluate the efficacy and safety of targeted agents with or without cancer immune checkpoint therapy with atezolizumab in participant with recurrent and/or persistent endometrial cancer. The main protocol provides a platform for genomic screening with homogeneous basic eligibility criteria in order to direct study participants into biomarker-matched study cohorts consisting of testing targeted agents.

Full description

This is a Phase IB/II multi-cohort study designed to evaluate the efficacy and safety of targeted agents with or without cancer immune checkpoint therapy with atezolizumab in participants with recurrent and/or persistent endometrial cancer. This biomarker-driven study provides a platform whereby participants with persistent/recurrent endometrial cancer will be placed into study cohorts evaluating targeted agents selected on the basis of the tumor's specific genomic profile. Prospective participants with persistent and/or recurrent endometrial cancer will be prescreened within 60 days of treatment assignment to have a tumor tissue sample submitted for next-generation sequencing (NGS) using FoundationOne® companion diagnostic (CDx) testing prior to entering screening. If a participant has FoundationOne® CDx testing within five years of enrollment, the previous tumor tissue may be re-analyzed for use in the study. Depending on the cohort assignment per the tumor's biomarker profile, participants will be assigned to the AFT-50A Protocol (atezolizumab+targeted agent) or the AFT-50B Protocol (non-atezolizumab targeted agents). The current study cohorts are as follows: AFT-50A Cohorts Atezolizumab + Bevacizumab doublet Atezolizumab + Ipatasertib doublet Atezolizumab + Talazoparib doublet Atezolizumab + Trastuzumab emtansine (TDM-1) doublet Atezolizumab + Tiragolumab doublet AFT-50B Cohorts Inavolisib + Letrozole doublet Giredestrant + Abemaciclib doublet It is anticipated that approximately 20 participants will be enrolled in each study cohort in AFT-50A and 24 participants in each study cohort in AFT-50B, unless otherwise specified for a given cohort due to statistical considerations. Each study cohort will open/close independently of other study cohorts. Once a study cohort reaches the prespecified number of participants, it will be closed to further enrollment, unless an expansion phase is planned. The study is structured to allow for additional cohorts to be added as the study progresses. These additional study cohorts may be proposed by investigators, but requires approval by the Steering Committee in order to be added to the protocol.

Enrollment

148 estimated patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

  • Recurrent or persistent endometrial carcinoma which has progressed or recurred after at least 1, but no more than 2, prior lines of therapy. Prior hormonal therapies (e.g., tamoxifen, aromatase inhibitors) will not count toward the prior regimen limit. Chemotherapy given in conjunction with radiotherapy as a radiosensitizer will be counted as a systemic therapeutic regimen.
  • Measurable disease per RECIST 1.1
  • Availability of a representative tumor specimen that is suitable for determination of biomarker status via central testing (F1CDx) OR If a patient has a prior F1CDx report from 1 September 2019 or later, those NGS results can be used to determine biomarker status as long as the tumor tissue used in the report was obtained within 5 years prior to prescreening and appropriate signed consent is obtained from the patient.
  • Life expectancy > 12 weeks
  • Recovery from effects of recent radiotherapy, surgery, or chemotherapy

Key Exclusion Criteria:

  • Endometrial tumors with the following histologies: squamous carcinomas, sarcomas
  • Other invasive malignancies within the last 5 years, except for non-melanoma skin cancer with no evidence of disease within the past 5 years AND localized breast cancer with previous adjuvant chemotherapy treatment for breast cancer completed > 5 years ago
  • Synchronous primary invasive ovarian or cervical cancer
  • Have an active or history of autoimmune disease or immune deficiency
  • Have a history of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis based on a screening chest computed tomography (CT) scan
  • Active tuberculosis
  • Severe infections within 4 weeks
  • Have received therapeutic oral or IV antibiotic medication within 2 weeks, except prophylactic antibiotic medication
  • Have significant cardiovascular disease
  • Are administered treatment with a live attenuated vaccine within 4 weeks, or anticipation of need for such a vaccine during the course of the study
  • Have prior allogeneic bone marrow transplantation or solid organ transplant
  • Prior treatment with T-cell costimulating or immune checkpoint blockade therapies including, but not limited to, CD137 agonists, anti-PD-1, anti-PD-L1, and anti-CTLA-4 therapeutic antibodies
  • History of treatment with systemic immunostimulatory agents (including but not limited to interferons, interleukin-2) within 4 weeks or 5 half-lives of the drug, whichever is longer, prior to initiation of study treatment
  • History of treatment with systemic immunosuppressive medications within 2 weeks except acute, low-dose, systemic immunosuppressant medications, corticosteroids for chronic obstructive pulmonary disease and asthma, or mineralocorticoids and low-dose corticosteroids for participants with orthostatic hypotension or adrenocortical insufficiency
  • Have a history or clinical evidence of any untreated CNS disease, seizures not controlled with standard medical therapy, or history of cerebrovascular accident (stroke), transient ischemic attack or subarachnoid hemorrhage within 6 months

Note: Additional study cohort specific inclusion and exclusion criteria may apply based on cohort assignment.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

148 participants in 7 patient groups

Atezolizumab and Bevacizumab Cohort
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with no specified gene signatures will be enrolled in this cohort. Twenty participants will be enrolled. Once twenty participants are enrolled, the cohort will be closed to further enrollment. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Bevacizumab
Drug: Atezolizumab - 28 Day Cycle
Atezolizumab and Ipatasertib Cohort
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with PIK3CA/AKT1/PTEN-altered tumors will be enrolled in this cohort. Twenty participants will be enrolled. Once twenty participants are enrolled, the cohort will be closed to further enrollment. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Ipatasertib
Drug: Atezolizumab - 28 Day Cycle
Atezolizumab and Talazoparib Cohort
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with tumors that have a ≥16%genomic loss of heterozygosity (LOH) will be assigned to this cohort. Twenty participants will be enrolled. Once twenty participants are enrolled, the cohort will be closed to further enrollment. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Talazoparib
Drug: Atezolizumab - 28 Day Cycle
Atezolizumab and Trastuzumab emtansine (TDM-1) Cohort
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with tumors that with an amplification of ERBB2/HER2 will be assigned to this cohort. Twenty participants will be enrolled. Once twenty participants are enrolled, the cohort will be closed to further enrollment. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Trastuzumab emtansine
Drug: Atezolizumab - 21 Day Cycle
Atezolizumab and Tiragolumab Cohort
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with tumor type MSI-H and/or tTMB >=10 mut/mb will be assigned to this cohort. Twenty participants will be enrolled initially. Once twenty participants are enrolled, the cohort may be expanded if a positive signal is shown. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Tiragolumab
Drug: Atezolizumab - 28 Day Cycle
Inavolisib and Letrozole Cohort
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with tumors that with PIK3CA activating mutations in the absence of PTEN loss-of-function alterations or AKT1 activating mutations will be assigned to this cohort. Twenty-four participants will be enrolled. Once twenty-four participants are enrolled, the cohort will be closed to further enrollment. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Inavolisib
Drug: Letrozole
Giredestrant and Abemaciclib
Experimental group
Description:
Following the submission of tumor tissue for the FoundationOne® companion diagnostic (F1CDx) test, participants with tumors that are RB1 intact with a local grade 1-2 estrogne receptor positive (ER+) are assigned to this cohort. Twenty-four participants will be enrolled. Once twenty-four participants are enrolled, the cohort will be closed to further enrollment. Participants in this study cohort will commence treatment as specified on Day 1 of each cycle.
Treatment:
Drug: Abemaciclib
Drug: Giredestrant

Trial contacts and locations

20

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Central trial contact

Quality Management and Compliance

Data sourced from clinicaltrials.gov

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