Skip to content

GD2-SADA:177Lu-DOTA Complex in Patients With Solid Tumors Known to Express GD2

Phase 1 Trial With GD2-SADA:177Lu-DOTA Drug Complex in Patients With Recurrent or Refractory Metastatic Solid Tumors Known to Express GD2, Including Small Cell Lung Cancer, High Risk Neuroblastoma, Sarcoma and Malignant Melanoma

Status
Terminated
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05130255
Enrollment
23
Registered
2021-11-23
Start date
2022-11-17
Completion date
2026-03-11
Last updated
2026-06-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

High Risk Neuroblastoma, Malignant Melanoma, Sarcoma, SCLC

Brief summary

Patients with Small Cell Lung Cancer, High Risk Neuroblastoma, Sarcoma and Malignant Melanoma will be treated with GD2-SADA:177Lu-DOTA complex(The IMP is a two-step radioimmunotherapy, delivered as two separate products GD2-SADA and 177Lu-DOTA) to assess safety and tolerability

Detailed description

A phase 1 dose-escalation single-arm, open-label, non-randomized, multi-center trial of the safety and tolerability of GD2-SADA:177Lu-DOTA complex in GD2 expressing solid tumors. The trial is planned as a Phase 1 trial with three parts, A, B and C. Escalation in this trial will be based on a classical 3+3 trial design. Part A is a GD2-SADA dose escalation phase, in which patients will receive one treatment cycle. Part B is a 177Lu-DOTA dose escalation phase, in which patients will receive up to 2 treatment cycles . Part C is a repeated dosing phase where the doses determined in Part A and B will be administered. Patients will receive repeated treatment cycles with a maximum of 5 cycles.

Interventions

DRUGGD2-SADA (0.3 mg/kg) and 177Lu-DOTA (30 mCi)

GD2-SADA IV at 0.3 mg/kg followed by 30 mCi 177Lu-DOTA IV

DRUGGD2-SADA (3 mg/kg) 177Lu-DOTA (30 mCi)

GD2-SADA IV at 3 mg/kg followed by 30 mCi 177 Lu-DOTA

DRUGGD2-SADA (0.3 mg/kg) 177Lu-DOTA (200 mCi)

GD2-SADA 0.3 mg/kg followed by 200 mCi 177 Lu-DOTA

DRUGGD2-SADA (1 mg/kg) 177Lu-DOTA (200 mCi)

GD2-SADA 1 mg/kg followed by 200 mCi 177 Lu-DOTA

DRUGGD2-SADA (3 mg/kg) 177Lu-DOTA (200 mCi)

GD2-SADA 3 mg/kg followed by 200 mCi 177 Lu-DOTA

DRUGGD2-SADA (1 mg/kg) 177Lu-DOTA (30 mCi)

GD2-SADA 1 mg/kg followed by 30 mCi 177 Lu-DOTA

DRUGGD2-SADA (1 mg/kg) 177Lu-DOTA (100 mCi)

GD2-SADA (1 mg/kg) followed by 177Lu-DOTA (100 mCi)

Sponsors

Y-mAbs Therapeutics
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Intervention model description

Phase 1 dose-escalation single-arm, open-label, non-randomized, multi-center trial

Eligibility

Sex/Gender
ALL
Age
16 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Signed informed consent from patient, legal guardian(s) and/or adolescents obtained in accordance with local regulations. Pediatric patients must provide assent as required by local regulations. * Age ≥18 years at the time of informed consent, for High Risk Neuroblastoma \& sarcoma age ≥16 years of age at time of informed consent/assent * Measurable disease according to RECIST 1.1 * ECOG performance status 0-1 * Expected survival \>3 months * Platelet counts ≥100,000 cells/mm3 * Hemoglobin ≥9 g/dL * Adequate renal function with serum creatinine ≤1.5 mg/dL or creatinine clearance ≥60mL/min as calculated using the Cockcroft-Gault equation * Patient willing and able to comply with the trial protocol

Exclusion criteria

* Systemic chemotherapy, radiotherapy, immunotherapy, or major surgery administered within 3 weeks prior to the first planned dosing of the IMP per protocol * Patients receiving any other investigational therapy for their cancer within 3 weeks prior to the first planned dosing of the IMP per protocol * Ongoing radiation toxicities from prior RT therapy * Patients with a diagnosis of autoimmune diseases or immunodeficiencies or documented infection with human immunodeficiency virus (HIV) or hepatitis B or C virus (active) * Prior treatment with anti-GD2 antibody

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With Dose Limiting ToxicityWithin 6 weeks after first IMP administrationAdverse events meeting the criteria of a dose limiting toxicity are graded according to CTCAE version 5

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORTaofeek K Owonikoko, MD/PhD

University of Maryland, Marlene & Steward Greenebaum Comprehensive Cancer Center 22 S Greene St, Baltimore, MD 21201

Participant flow

Pre-assignment details

Additional information: The trial contained three parts (Part A, Part B and Part C). Enrollment was completed for Part A of the study only. Part B and Part C were not opened for enrollment. Part A consisted of an Imaging portion and a Therapy portion. Participants with confirmed tumor uptake of 177 Lu in the Imaging portion, moved to the Therapy portion. After enrollment in Part A was completed, the study was terminated by choice of the Sponsor.

Baseline characteristics

Characteristic
Age, Continuous45.8 years
STANDARD_DEVIATION 23.72
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
2 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Region of Enrollment
United States
6 participants
Sex: Female, Male
Female
1 Participants
Sex: Female, Male
Male
1 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
deaths
Total, all-cause mortality
0 / 20 / 23 / 50 / 50 / 31 / 6
other
Total, other adverse events
2 / 22 / 24 / 54 / 53 / 34 / 6
serious
Total, serious adverse events
0 / 20 / 21 / 51 / 51 / 31 / 6

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 19, 2026