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OncoMatch/Clinical Trials/NCT06441331

Phase I Trial to Determine the Dose and Evaluate the PK and Safety of Lutetium Lu 177 Edotreotide Therapy in Pediatric Participants With SSTR-positive Tumors

Is NCT06441331 recruiting? Yes, currently enrolling (Jun 2026). This Phase 1 trial studies Lutetium Lu 177-Edotreotide for somatostatin receptor positive.

Phase 1RecruitingITM Solucin GmbHNCT06441331Data as of Jun 2026Location: United States · Spain

Treatment: Lutetium Lu 177-EdotreotideThe purpose of the study is to determine the appropriate pediatric dosage and evaluate the pharmacokinetics (PK) and safety of Lutetium Lu 177 Edotreotide Targeted Radiopharmaceutical Therapy (RPT) as a monotherapy or following standard of care (SoC) in participants ≥2 to \<18 years of age with somatostatin receptor (SSTR)-positive tumors.

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Extracted eligibility criteria

Treatments studied

Radioligand therapy

Lutetium Lu 177-Edotreotide

Cancer type

Non-Hodgkin Lymphoma

Hodgkin Lymphoma

Tumor Agnostic

Rhabdomyosarcoma

Sarcoma

Gastrointestinal Stromal Tumor

Biomarker criteria

Required: SSTR overexpression (positive SSTR protein expression confirmed by immunohistochemistry)

Positive SSTR protein expression confirmed by immunohistochemistry of a tumor histology sample

Required: SSTR imaging uptake higher than liver (radioactivity uptake within the primary tumor or metastatic tumor sites measured by locally available SRIs (111In-based, 99mTc-based, or 68Ga-based SSTR SPECT/CT or PET/CT imaging, which is higher than the liver uptake))

Radioactivity uptake within the primary tumor or metastatic tumor sites measured by locally available SRIs ( 111In-based, 99mTc-based, or 68Ga-based SSTR single-photon emission computed tomography (SPECT)/ computed tomography (CT) or positron emission tomography (PET)/CT imaging, which is higher than the liver uptake)

Demographics

Ages 2–18

Prior therapy

Min 1 prior line

Must have received: any prior therapy

Tumor which is relapsed or is refractory to at least one line of previous therapy

Cannot have received: systemic targeted RPT

Patients who have received previous systemic targeted RPT

Cannot have received: metaiodobenzyl guanidine (MIBG) therapy

Exception: if the predicted overall exposure is expected to exceed 2 Gy (gray) to the bone marrow or 23 Gy to the kidney

Previous treatment with metaiodobenzyl guanidine (MIBG) if the predicted overall exposure is expected to exceed 2 Gy (gray) to the bone marrow or 23 Gy to the kidney.

Cannot have received: external beam radiation therapy

Exception: if the predicted overall exposure is expected to exceed more than 2 Gy to the bone marrow or 23 Gy to the kidney

Previous treatment with external beam radiation therapy (EBRT) if the predicted overall exposure is expected to exceed more than 2 Gy to the bone marrow or 23 Gy to the kidney.

Cannot have received: oncologic immune vaccine

Previous treatment with oncologic immune vaccine

Cannot have received: CAR-T cell therapy

Previous treatment with...CAR-T cell therapy

Lab requirements

Blood counts

Presence of severe hematological dysfunction [excluded]

Kidney function

Presence of severe renal dysfunction [excluded]

Liver function

Presence of severe hepatic dysfunction [excluded]

Cardiac function

Presence of severe cardiovascular dysfunction [excluded]

Presence of severe renal, hepatic, electrolyte, cardiovascular, or hematological dysfunction

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • The Children's Hospital of Philadelphia (CHOP) · Philadelphia, Pennsylvania

Showing up to 5 US sites.

See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT06441331 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior systemic targeted RPT, metaiodobenzyl guanidine (MIBG) therapy, external beam radiation therapy disqualifies patients from enrollment.

Does this trial require SSTR?

Yes, SSTR overexpression is a required biomarker for enrollment.

Does this trial require SSTR?

Yes, SSTR imaging uptake higher than liver is a required biomarker for enrollment.

Is there an age limit?

Yes. Patients must be 18 years or younger and at least 2 years old.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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