Drugs / GTB-3550
last change Apr 2022 re-read 3 minutes ago

GTB-3550

Other / unclassified

Developed for
acute myeloid leukemia · mast cell leukemia · myelodysplastic syndrome
Investigated by
GT Biopharma, Inc.

Trials 1

2020202120222023202420252026
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/2 NCT03214666 Jan 2020 → Aug 2021 acute myeloid leukemia, mast cell leukemia, myelodysplastic syndrome GT Biopharma, Inc. Terminated No outcome recorded

News releases announcing trial results or a regulatory action · 17

DateIssuerRelease
2022-04-11 GT Biopharma, Inc. Results GT Biopharma Presents Preclinical Data Demonstrating Novel B7H3+ Tumor Targeting GTB-5550 TriKE® Driving NK Cell Activation and ADCC Against Head and Neck Squamous Cell Carcinomas at AACR Annual Meeting 2022 gtbiopharma.com ↗
Results - NK cell degranulation and IFN-gamma production of GTB-3550-treated samples were higher compared to that of control samples treated with B7H3 single domain or IL-15 alone.
2021-09-20 GT Biopharma, Inc. Results GT BioPharma's Next Generation Camelid TriKE® Nanobody Platform Highlighted at ESMO Congress 2021 gtbiopharma.com ↗
Patient 11 had a bi-phenotypic leukemia which co-expressed both CD19 (a lymphoid marker) and CD33 (the myeloid marker which is targeted by GTB-3550); this patient showed a 50% reduction in CD33-positive leukemic cells (blasts), evidence of anti-leukemic activity of GTB-3550.
2021-09-15 GT Biopharma, Inc. Results GT Biopharma Announces Updated Positive Safety Data From Phase 1 GTB-3550 Monotherapy TriKE™ Trial an Investigational Immunotherapy for Refractory Cancers to be Presented at ESMO Congress 2021 gtbiopharma.com ↗
The mini-oral presentation will present updated positive Phase 1 safety data, progress, and preclinical data going beyond hematologic malignancies to solid tumors of a Phase 1 GTB-3550 TriKE trial.
2021-06-23 GT Biopharma, Inc. Results GT Biopharma Announces Interim GTB-3550 Trike™ Monotherapy Clinical Trial Results At 2021 Raymond James Human Health Innovation Conference gtbiopharma.com ↗
In addition to strong safety results, we have seen significant reductions in CD33+ cancer cells in four of the last seven patients (57%) treated with doses of GTB-3550 ranging from 25mcg/kg/day to 150mcg/kg/day.
2021-05-18 GT Biopharma, Inc. Results GT Biopharma to Host Interim GTB-3550 TriKE™ Data Review Call with Dr. Jeffrey S. Miller on May 19, 2021 at 4:00 PM ET gtbiopharma.com ↗
Results demonstrated up to 63.7% reduction in bone marrow blast levels, and restoration of endogenous NK cell function, proliferation and immune surveillance without combination ex vivo supplemental NK cell therapy.
2021-04-12 GT Biopharma, Inc. Results GT Biopharma Announces GTB-3550 TriKE™ Monotherapy Rescues and Restores NK Cell Immune Surveillance in Relapsed/Refractory AML and MDS Cancer Patients gtbiopharma.com ↗
GT Biopharma, Inc. (NASDAQ: GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary NK cell engager (TriKE™) protein biologic technology platform, announced today additional interim results from its GTB-3550 TriKE™ first-in-human Phase I/II clinical trial for the treatment of high-risk myelodysplastic syndromes (MDS) and refractory/relapsed acute myeloid leukemia (AML).
2021-03-29 GT Biopharma, Inc. Results GT Biopharma's TriKE™ Interim Clinical Trial Results Presented At Innate Killer Summit 2021 gtbiopharma.com ↗
Highlights of GT Biopharma's updated interim GTB-3550 TriKE™ Phase I/II clinical trial results included:
2021-03-17 GT Biopharma, Inc. Results GT Biopharma Announces Updated Interim GTB-3550 Trike™ Clinical Trial Results gtbiopharma.com ↗
Three of the five patients (60%) experienced reduction in bone marrow blasts with two patients (one patient treated at the 50mcg/kg/day dose level and one patient treated at the 100mcg/kg/day dose level) experiencing significant reductions in bone marrow blast levels.
2020-12-21 GT Biopharma, Inc. Results GT BIOPHARMA ANNOUNCES FDA DATA - GTB-3550 TriKE™ REDUCES CANCER CELLS BY 61.7% FOR A HIGH-RISK MYELODYSPLASTIC SYNDROMES (HR-MDS) PATIENT gtbiopharma.com ↗
2020-12-08 GT Biopharma, Inc. Results GT Biopharma Announces GTB-3550 TriKE(TM) Reduces Bone Marrow Blast Levels, Improves NK Cell Function and Proliferation, and No Toxicities Observed in AML and MDS Patients gtbiopharma.com ↗
2020-11-12 GT Biopharma, Inc. Results GT Biopharma Announces Publication of GTB-3550 TriKE Interim Results at the Prestigious 62nd American Society of Hematology (ASH) Annual Meeting gtbiopharma.com ↗
GTB-3550 TriKE™ for the Treatment of High-Risk Myelodysplastic Syndromes (MDS) and Refractory/Relapsed Acute Myeloid Leukemia (AML) Safely Drives Natural Killer (NK) Cell Proliferation At Initial Dose Cohorts
2020-09-22 GT Biopharma, Inc. Results GT Biopharma Announces GTB-3550 TriKE(TM) Phase I/II Clinical Trial Update gtbiopharma.com ↗
The first patient treated with GTB-3550 at a 25mcg/kg/day dose showed a decrease in AML blast levels from 18% to 12% in the bone marrow.

All press releases naming this drug 26 releases

DateIssuerRelease

Evidence & citations 2 cited values

Every value below carries the sentence it was read from. 1 source stands behind the page.

FieldValueCited text
Known as GTB-3550 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03214666 ↗
Modality Other / unclassified “tri-specific killer cell engager (TriKE®)” NCT03214666 ↗