Neratinib and Fam-Trastuzumab Deruxtecan in Advanced Gastro-esophageal Cancer Patients

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18+
SponsorFox Chase Cancer Center

About this trial

This is Phase 1 dose finding trial with potential dose expansion to evaluate the safety, toxicity, recommended phase 2 dose (RP2D), and maximum tolerated dose (MTD) of Neratinib plus TDxD using a standard 3+3 dose escalation design in patients with metastatic or unresectable gastro-esophageal cancer that are HER2-overexpressing (IHC 3+ or IHC2+/ISH+) and any other gastrointestinal cancer with HER2 expression with IHC3+. Patients must have progressed or been intolerant of at least one prior line of chemotherapy + HER2 directed therapy.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Patients must have been diagnosed with histologically or cytologically confirmed gastrointestinal cancer (esophagus, stomach, colon, biliary, pancreas or unknown primary likely GI), and been deemed unresectable or have at least one site of metastatic disease

Patients must have evaluable or measurable disease by RECIST 1.1 criteria

(IHC 3+ or IHC2+/ISH+) advanced gastroesophageal cancer (including gastroesophageal junction adenocarcinoma).

IHC 3+ for other GI cancers

Disqualifiers

Patients who have had chemotherapy, or radiotherapy within 2 weeks prior to C1D1 or those who have not recovered from adverse events due to agents administered more than 2 weeks earlier (secondary hypothyroidism from prior immunotherapy is permissible if controlled on thyroid hormone replacement). Recovery is defined as any treatment onset adverse events returning to baseline or otherwise deemed not clinically significant.

Patients may not be receiving any other investigational agents for advanced cancer and must not have received prior treatment with TDxD

Immunotherapy and treatments involving any investigational agents must be discontinued for >21 days before Cycle 1 Day 1 (C1D1)

Patients with known untreated brain metastases are excluded from this study because of their poor prognosis and frequent development of neurologic dysfunction that would confound the evaluation of neurologic and other adverse events. Treated brain metastases are allowed (requires stability on MRI at least 4 weeks after initial treatment). Patients with treated brain metastases are allowed to be treated with steroid and/or anti-convulsants if the dose remains stable or decreases over the last 4 weeks prior to C1D1

Trial design

Design model

Sequential

Treatments tested in this trial

  • Neratinib Pill

    Drug

    Patients will be enrolled in cohorts of 3 at each dose level of Neratinib (120 mg, 160 mg, 200 mg) daily (days 1 through 21)

  • Fam-Trastuzumab Deruxtecan-Nxki (TDxD)

    Drug

    standard dosing of TDxD (5.4mg/m2) on day 1of a 21 day treatment cycle

Treatment groups

18 Participants
are divided into 1 treatment group
Group A: Neratinib plus TDxDExperimental treatment 2 interventions

Trial outcomes

Primary outcomes

1

Determine the maximum tolerated dose (MTD) and recommended phase II dose (RP2D) of the combination of TDxD and Neratinib

The rate of dose-limiting toxicities (DLTs) for Neratinib + TDxD during DLT period of 28 days, in patients with advanced gastrointestinal cancer

Time frame
2 years

Secondary outcomes

1

Determine the Objective Response Rate (ORR) (Complete Response (CR) + Partial Response (PR)) of the combination of TDxD and Neratinib

Rate of grade 3 or higher adverse events with TDxD and Neratinib in patients with advanced gastrointestinal cancer

Time frame
2 years
2

Determine the Disease Control Rate (DCR) (CR + PR + Stable Disease (SD)) of the combination of TDxD and Neratinib

Objective Response Rate (ORR) of the combination of TDxD and Neratinib in patients with advanced gastrointestinal cancer (Complete and partial response per RECIST 1.1)

Time frame
2 years
3

Determine the Progression Free Survival (PFS) of the combination of TDxD and Neratinib

Progression Free Survival (PFS) of the combination of TDxD and Neratinib in patients with advanced gastrointestinal cancer (time from treatment initiation to disease progression or death from any cause)

Time frame
2 years
4

Determine the Overall Survival (OS) of the combination of TDxD and Neratinib

Overall Survival (OS) of the combination of TDxD and Neratinib in patients with advanced gastrointestinal cancer (defined as the time from treatment initiation to death from any cause)

Time frame
2 years

Other outcomes

Sponsors and contacts

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

Fox Chase Cancer Center

Lead sponsor

National Comprehensive Cancer Network

Collaborator

Puma Biotechnology, Inc.

Collaborator