← Back to Clinical Trials
Recruiting Phase 1 NCT06641908

NCT06641908 Anti-GD2 ADC M3554 in Advanced Solid Tumors

◆ AI Clinical Summary
Plain-language summary for patients
Clinical Trial Summary
NCT ID NCT06641908
Status Recruiting
Phase Phase 1
Sponsor EMD Serono Research & Development Institute, Inc.
Condition Advanced Solid Tumor
Study Type INTERVENTIONAL
Enrollment 52 participants
Start Date 2024-11-08
Primary Completion 2027-04-16

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
M3554

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 1 is the earliest stage of human testing — safety and dosage are the primary focus. Visits are frequent and medical supervision is intensive. You will be among the first people to receive this treatment.

This trial targets 52 participants in total. It began in 2024-11-08 with a primary completion date of 2027-04-16.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of this study is to establish the recommended doses and further evaluate the safety and preliminary antitumor activity of M3554 in participants with soft tissue sarcoma (STS) and glioblastoma, IDH-wildtype. Study details include: Study Duration per participant: Approximately 4 months

Eligibility Criteria

Inclusion Criteria: * Escalation A: participants with documented histopathological diagnosis of locally advanced or metastatic STS with unresectable disease that has progressed after at least one prior line of anthracycline-containing systemic therapy for the locally advanced/metastatic setting. * Participants with resectable locally advanced or metastatic disease, who had surgery before study entry will be allowed in the trial if there is residual disease after surgery and if the surgery was performed at least 4 weeks before first dose of study intervention. * Escalation B: participants with documented histopathological diagnosis of glioblastoma, IDH-wildtype, who have progressed after ONLY one prior line of therapy (including radiotherapy +/- temozolomide, depending on the O\^6-methylguanine-DNA methyltransferase \[MGMT\] status) and relapsing at least 3 months after the end of the radiotherapy treatment. * Eastern Cooperative Oncology Group Performance Status (ECOG PS) below or equal to 1 * Participants with adequate hematologic, hepatic and renal function as defined in protocol * Other protocol defined inclusion criteria could apply * Exclusion Criteria: * Participant has a history of malignancy other than STS or glioblastoma (depending on the escalation/expansion cohort) within 3 years before the date of enrollment (exceptions are squamous and basal cell carcinomas of the skin and carcinoma in situ of the cervix, benign prostate neoplasm/hypertropia, or malignancy that in the opinion of the Investigator, is considered cured with minimal risk of recurrence within 3 years). * STS only: Participants with history of brain metastasis, leptomeningeal metastasis, or participants with spinal cord compression * Other protocol defined exclusion criteria could apply

Contact & Investigator

Central Contact

US Medical Information

✉ eMediUSA@emdserono.com

📞 888-275-7376

Principal Investigator

Medical Responsible

STUDY DIRECTOR

EMD Serono Research & Development Institute, Inc.

Frequently Asked Questions

Who can join the NCT06641908 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Advanced Solid Tumor. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06641908 trial and what does that mean for participants?

Phase 1 trials are the first stage of human testing. The primary goal is to assess safety and determine appropriate dosage levels. Participants are closely monitored. These trials typically involve a small number of volunteers.

Is NCT06641908 currently recruiting?

Yes, NCT06641908 is actively recruiting participants. Contact the research team at eMediUSA@emdserono.com for enrollment information.

Where is the NCT06641908 trial being conducted?

This trial is being conducted at Boston, United States, New York, United States, Houston, United States, Leuven, Belgium and 7 additional locations.

Who is sponsoring the NCT06641908 clinical trial?

NCT06641908 is sponsored by EMD Serono Research & Development Institute, Inc.. The principal investigator is Medical Responsible at EMD Serono Research & Development Institute, Inc.. The trial plans to enroll 52 participants.

Related Trials

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology