A Study of Becotatug Vedotin (MRG003) Combined With Epirubicin as Neoadjuvant Therapy for EGFR-Positive, Unresectable Recurrent Sinonasal Adenoid Cystic Carcinoma

Recruiting now · Phase 2

Conditions studied: Adenoid Cystic Carcinoma, Sinonasal Carcinoma

In brief

This prospective, multicenter clinical study aims to evaluate the efficacy and safety of neoadjuvant therapy with MRG003 (Becotatug vedotin) combined with epirubicin in patients with EGFR-positive, unresectable recurrent sinonasal adenoid cystic carcinoma (SNACC). The primary question is whether this combination can achieve a sufficient objective response rate (ORR) to enable subsequent radical surgery or improve disease control.

Key facts

Study ID

NCT07522879

Run by

Eye & ENT Hospital of Fudan University

People needed

40

Starts

2026-04-28

Expected to finish

2030-07-01

Last updated by the study team

2026-07-28

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥ 18 years, male or female. Histopathologically confirmed sinonasal adenoid cystic carcinoma (SNACC) with measurable recurrent disease located in the sinonasal/skull base region, irrespective of the presence of regional lymph node or distant metastases.
• EGFR expression positive by immunohistochemistry (IHC) performed at a central laboratory.
• Multidisciplinary team (MDT) assessment at baseline confirms that the tumor is not amenable to radical (R0) surgical resection.
• At least one measurable lesion in the skull base/sinonasal region according to RECIST v1.1 (longest diameter ≥ 10 mm).
• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. Adequate bone marrow, hepatic, renal, and cardiac function as defined by protocol-specified laboratory parameters.
• Willing to provide written informed consent (including consent for clinical treatment and biospecimen research) and able to comply with study procedures.

You may not qualify if…

• Prior treatment with any antibody-drug conjugate (ADC) that contains monomethyl auristatin E (MMAE) as the payload.
• Prior systemic chemotherapy containing epirubicin or any other anthracycline within 6 months before study enrollment.
• Active uncontrolled infection, or active autoimmune disease requiring systemic therapy.
• Symptomatic or urgent (e.g., requiring radiotherapy or surgery) central nervous system (CNS) metastases.
• Known severe hypersensitivity to any component of the study drugs. Pregnant or breastfeeding women, or men/women planning to become pregnant within 6 months after the last dose of study treatment.
• Any medical or psychosocial condition that, in the investigator's judgment, may interfere with study participation, increase patient risk, or confound data interpretation.

Where it is running

• Eye & ENT Hospital of Fudan University — Shanghai, China (enrolling)

Full record on ClinicalTrials.gov

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