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Breast CancerPhase 2CONTESSA TRIONCT03952325

Tesetaxel Plus 3 Different PD-(L)1 Inhibitors in Patients With Triple-Negative MBC and Tesetaxel Monotherapy in Patients With HER2-Negative MBC

A Phase 2 study testing Tesetaxel, Nivolumab and Pembrolizumab in people with Breast Cancer, run by Odonate Therapeutics, Inc. at 12 sites in 3 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

CONTESSA TRIO is a multi-cohort, multicenter, Phase 2 study of tesetaxel, an investigational, orally administered taxane, in patients with metastatic breast cancer (MBC). In Cohort 1, approximately 200 patients with triple-negative MBC who have not received prior chemotherapy for advanced disease will be randomized… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Breast Cancer
What is being tested?
Tesetaxel, Nivolumab and Pembrolizumab
Could I receive a placebo?
No, everyone receives an active treatment
How many people
294 participants
Where
12 sitesin 3 countries
Study dates
9 Jul 2019to 23 Jun 2021
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Female or male patients aged:
  • Cohort 1: ≥ 18 years old
  • Cohort 2: ≥ 65 years old
  • Cohort 3: ≥ 18 to < 65 years old
  • Histologically or cytologically confirmed breast cancer
  • Most recent biopsy must be HER2-negative
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  • Cohort 1 only: Most recent biopsy must be hormone receptor (HR) (estrogen receptor and progesterone receptor) negative
  • Measurable disease per RECIST 1.1.
  • Patients with bone-only metastatic cancer must have a measurable lytic or mixed lytic-blastic lesion
  • Known metastases to the CNS are permitted but not required
  • Documented (including de novo): (a) locally advanced breast cancer that is not considered curable by surgery and/or radiation; or (b) metastatic breast cancer
  • Disease-free interval of at least 12 months after the completion of systemic neoadjuvant or adjuvant chemotherapy for patients previously treated with systemic chemotherapy for a tumor surgically resected with curative intent
  • Cohorts 2 and 3 only: Prior endocrine therapy with or without a cyclin-dependent kinase (CDK) 4/6 inhibitor unless endocrine therapy is not indicated. Any prior targeted therapies are permitted. There is no limit to the number of prior endocrine therapies.
  • Cohort 1 only: At Screening, patients must have documented evidence of positive PD-L1 expression as assessed via immunohistochemistry (IHC) scoring by local, regional, or central laboratory testing
  • Eastern Cooperative Oncology Group (ECOG) performance status 0, 1 or 2
  • Adequate bone marrow, hepatic and renal function

Who cannot join

  • Prior chemotherapy for locally advanced or metastatic disease
  • Cohort 1 only: prior treatment with pembrolizumab, nivolumab, atezolizumab, any other PD-(L)1/PD-L2 inhibitor or a cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) inhibitor
  • Current evidence or history of leptomeningeal disease
  • Known human immunodeficiency virus infection, unless well controlled
  • Known active hepatitis B or known active hepatitis C infection
  • Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with Study participation or investigational product administration or may interfere with the interpretation of Study results
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  • Presence of neuropathy Grade > 1
  • History of hypersensitivity to any of the Study drugs or any of their ingredients, as applicable
  • Cohort 1 only:
  • Chronic autoimmune disease
  • Evidence of active, non-infectious pneumonia (eg, pneumonia due to autoimmune or connective tissue disease)
  • Treatment with a live vaccine within 30 days prior to the first dose of nivolumab, pembrolizumab or atezolizumab
  • History of active tuberculosis
  • Prior organ transplantation including allogeneic stem cell transplantation
  • Active infection requiring systemic therapy
  • Current or prior use of immunosuppressive medication within 7 days prior to Cycle 1, Day 1
  • Active autoimmune disease that might deteriorate when receiving an immunostimulatory agent
  • Anticancer treatment, including endocrine therapy, radiotherapy (except stereotactic brain radiosurgery), chemotherapy or biologic therapy, ≤ 14 days prior to Enrollment
  • Major surgery ≤ 28 days prior to Enrollment
  • Less than 2 weeks or 5 plasma half-lives (whichever is greater) since last use of a medication or ingestion of an agent, beverage or food that is a known clinically relevant strong inhibitor or known clinically relevant inducer of the cytochrome P450 (CYP) 3A pathway

Trial locations and contacts

12 sites in 3 countries.

12 sites in 3 countries

United States9 sites
  • Dana-Farber Cancer Institute

    Boston, Massachusetts, 02215

  • Texas Oncology - Baylor Charles A. Sammons Cancer Center

    Dallas, Texas, 75246

  • New York Cancer and Blood Specialists

    East Setauket, New York, 11733

  • Sarah Cannon Research Institute - Florida Cancer Specialists

    Fort Myers, Florida, 33901

  • West Cancer Center

    Germantown, Tennessee, 38138

  • Virginia Oncology Associates

    Norfolk, Virginia, 23502

  • Florida Cancer Specialists and Research Institute

    St. Petersburg, Florida, 33705

  • Florida Cancer Specialists and Research Institute - Panhandle Region

    Tallahassee, Florida, 32308

  • Florida Cancer Specialists and Research Institute

    West Palm Beach, Florida, 33401

Other trials in United States

Singapore2 sites
  • John Hopkins Singapore International Medical Centre

    Singapore

  • National Cancer Centre Singapore

    Singapore

Other trials in Singapore

South Korea1 site
  • Asan Medical Center

    Seoul

Other trials in South Korea

About this study

Official title: A Multicenter, Phase 2 Study of Tesetaxel Plus Three Different PD-(L)1 Inhibitors in Patients With Triple-Negative, Locally Advanced or Metastatic Breast Cancer and Tesetaxel Monotherapy in Elderly and Non-Elderly Adult Patients With HER2-Negative, Locally Advanced or Metastatic Breast Cancer

CONTESSA TRIO is a multi-cohort, multicenter, Phase 2 study of tesetaxel, an investigational, orally administered taxane, in patients with metastatic breast cancer (MBC). In Cohort 1, approximately 200 patients with triple-negative MBC who have not received prior chemotherapy for advanced disease will be randomized 1:1:1 to receive tesetaxel plus either: (1) nivolumab; (2) pembrolizumab; or (3) atezolizumab. The primary efficacy endpoints for Cohort 1 are objective response rate (ORR) and progression free survival (PFS) in patients with programmed death-ligand 1 (PD-L1) positive status. In Cohort 2, approximately 60 elderly patients with human epidermal growth factor receptor 2 (HER2) negative MBC who have not received prior chemotherapy for advanced disease will receive tesetaxel monotherapy. The primary efficacy endpoints for Cohort 2 are ORR and PFS in patients with hormone receptor (HR)-positive, HER2-negative disease. In Cohort 3, approximately 60 non-elderly adult patients with HER2-negative MBC who have not received prior chemotherapy for advanced disease will receive tesetaxel monotherapy. The primary efficacy endpoints for Cohort 3 are ORR and PFS in patients with HR positive, HER2-negative disease.

Read the detailed description

CONTESSA TRIO is a multi-cohort, multicenter, Phase 2 study of tesetaxel, an investigational, orally administered taxane, in patients with MBC.

Cohort 1:

Approximately 200 patients with triple-negative MBC who have not received prior chemotherapy for advanced disease will be randomized 1:1:1 to receive tesetaxel dosed orally at 27 mg/m2 once every three weeks (Q3W) plus either:

  • Nivolumab at 360 mg by intravenous infusion Q3W;
  • Pembrolizumab at 200 mg by intravenous infusion Q3W; or
  • Atezolizumab at 1,200 mg by intravenous infusion Q3W.

Nivolumab and pembrolizumab (programmed cell death protein 1 [PD-1] inhibitors) and atezolizumab (a programmed death-ligand 1 [PD-L1] inhibitor) are immuno-oncology (IO) agents approved for the treatment of multiple types of cancer. Two of these agents, atezolizumab and pembrolizumab, have been approved by the U.S. Food and Drug Administration (FDA) as a first-line treatment for patients with triple-negative MBC. The primary efficacy endpoints for Cohort 1 are ORR and PFS in patients with PD-L1 positive status. The secondary efficacy endpoints are ORR and PFS in all patients, duration of response (DoR) and overall survival (OS).

Cohort 2:

Approximately 60 elderly patients with HER2-negative MBC who have not received prior chemotherapy for advanced disease will receive tesetaxel monotherapy dosed orally at 27 mg/m2 Q3W. The primary efficacy endpoints for Cohort 2 are ORR and PFS in patients with HR-positive, HER2-negative disease. The secondary efficacy endpoints are ORR and PFS in patients with triple-negative disease, DoR and OS.

Cohort 3:

Approximately 60 non-elderly adult patients with HER2-negative MBC who have not received prior chemotherapy for advanced disease will receive tesetaxel monotherapy dosed orally at 27 mg/m2 Q3W. The primary efficacy endpoints for Cohort 3 are ORR and PFS in patients with HR positive, HER2-negative disease. The secondary efficacy endpoints are ORR and PFS in patients with triple negative disease, DoR and OS.

Conditions
Breast Cancer
Being tested
Tesetaxel, Nivolumab, Pembrolizumab, Atezolizumab
Keywords
Tesetaxel, PD-(L)1 inhibitor, Triple-negative breast cancer, Locally advanced or metastatic breast cancer, Taxane, Metastatic breast cancer, Breast cancer, Combination of tesetaxel and PD-(L)1 inhibitors, HER2 negative, Oral chemotherapy, Central nervous system (CNS) metastases
Medical subject headings
Breast Neoplasms, Triple Negative Breast Neoplasms, Neoplasm Metastasis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • TesetaxelDrug

    Tesetaxel at 27 mg/m2 orally Q3W

  • TesetaxelDrug

    Tesetaxel at 27 mg/m2 orally Q3W

  • TesetaxelDrug

    Tesetaxel at 27 mg/m2 orally Q3W

  • NivolumabDrug

    Nivolumab at 360 mg by intravenous infusion Q3W

  • PembrolizumabDrug

    Pembrolizumab at 200 mg by intravenous infusion Q3W

  • AtezolizumabDrug

    Atezolizumab at 1,200 mg by intravenous infusion Q3W

  • TesetaxelDrug

    Tesetaxel at 27 mg/m2 orally Q3W

Study groups in NCT03952325
Study groupRoleWhat they receive
Cohort 1, Arm A: Tesetaxel plus nivolumabExperimentalNot described
Receives: Drug: Tesetaxel; Drug: Nivolumab
Cohort 1, Arm B: Tesetaxel plus pembrolizumabExperimentalNot described
Receives: Drug: Tesetaxel; Drug: Pembrolizumab
Cohort 1, Arm C: Tesetaxel plus atezolizumabExperimentalNot described
Receives: Drug: Tesetaxel; Drug: Atezolizumab
Cohort 2: TesetaxelExperimentalNot described
Receives: Drug: Tesetaxel
Cohort 3: TesetaxelExperimentalNot described
Receives: Drug: Tesetaxel

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Cohort 1: ORR in patients with PD-L1 positive status

    Measured: Approximately 2.0-3.0 years

  2. Cohort 1: PFS in patients with PD-L1 positive status

    Measured: Approximately 2.5-3.5 years

  3. Cohort 2: ORR in patients with HR-positive, HER2-negative disease

    Measured: Approximately 2.0-3.0 years

  4. Cohort 2: PFS in patients with HR-positive, HER2-negative disease

    Measured: Approximately 2.0-3.0 years

  5. Cohort 3: ORR in patients with HR-positive, HER2-negative disease

    Measured: Approximately 2.0-3.0 years

  6. Cohort 3: PFS in patients with HR-positive, HER2-negative disease

    Measured: Approximately 2.0-3.0 years

Secondary outcomes (12)
  1. Cohort 1: ORR in all patients

    Measured: Approximately 2.0-3.0 years

  2. Cohort 1: PFS in all patients

    Measured: Approximately 2.0-3.0 years

  3. Cohort 1: DoR

    Measured: Approximately 2.5-3.5 years

  4. Cohort 1: OS

    Measured: Approximately 4.0-5.0 years

  5. Cohort 2: ORR in patients with triple-negative disease

    Measured: Approximately 2.0-3.0 years

  6. Cohort 2: PFS in patients with triple-negative disease

    Measured: Approximately 2.5-3.5 years

  7. Cohort 2: DoR

    Measured: Approximately 2.5-3.5 years

  8. Cohort 2: OS

    Measured: Approximately 4.0-5.0 years

  9. Cohort 3: ORR in patients with triple-negative disease

    Measured: Approximately 1.0-2.0 years

  10. Cohort 3: PFS in patients with triple-negative disease

    Measured: Approximately 1.5-2.5 years

  11. Cohort 3: DoR

    Measured: Approximately 2.5-3.5 years

  12. Cohort 3: OS

    Measured: Approximately 4.0-5.0 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted16 May 2019
  2. Study start9 Jul 2019
  3. Primary completion23 Jun 2021
  4. Study completion23 Jun 2021

Why it stopped: The Sponsor has discontinued the development of tesetaxel

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
294 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03952325
Sponsor's protocol ID
ODO-TE-B202
Acronym
CONTESSA TRIO
Status last verified
Jul 2021
First submitted
14 May 2019
Last updated
30 Jul 2021
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Tesetaxel, Nivolumab and Pembrolizumab in people with Breast Cancer, run by Odonate Therapeutics, Inc. at 12 sites in 3 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 16 inclusion and 20 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 30 Jul 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 12 sites in United States, Singapore, South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was stopped early (reason given: The Sponsor has discontinued the development of tesetaxel). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Cohort 1: ORR in patients with PD-L1 positive status (time frame: Approximately 2.0-3.0 years). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Jul 2021.

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