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TSC-101

Phase 3

AML | Small molecule | Oncology |TScan Therapeutics, Inc.|Trials Updated: Oct 5, 2026

TSC-101 development status

Highest phase Phase 3
Registered trials 1 across 1 sponsor since Jul 2026

Success Probability

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Market & Valuation

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Trial Design

ACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment310

FDA Designations

RMAT

TSC-101 clinical trials

TSC-101 · 1 trial · 2 indications

Phase 3 1
NCT07702578A Study of T-Cell Receptor Engineered Donor T Cells in Subjects Undergoing Allogeneic Peripheral Blood Stem Cell TransplantationAML
ACTIVE NOT_RECRUITING310 Analytics
PHASE3ACTIVE NOT_RECRUITING
A Study of T-Cell Receptor Engineered Donor T Cells in Subjects Undergoing Allogeneic Peripheral Blood Stem Cell Transplantation
AMLUnlock trial analytics

Study Endpoints

Primary Endpoints

Relapse-free survival (RFS)
3 years

To determine the efficacy of TSC-101 by assessing relapse-free survival (RFS)

Secondary Endpoints

Event-free survival (EFS)
3 years
Overall survival (OS)
3 years
Time to relapse (TTR)
3 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Treatment Arm (TSC-101)EXPERIMENTALParticipants who are HLA-A\*02:01-positive and undergoing reduced intensity conditioning hematopoietic stem cell transplantation using allogeneic HLA-A\*02 negative donors.
Control Arm (Standard of Care)ACTIVE_COMPARATOR1. Participants who are not HLA-A\*02:01-positive, HA-2-positive, or who are treatment-arm eligible but for whom an HLA-A\*02-negative donor cannot be identified, will be assigned to the control arm and receive allo-HCT alone. 2. Participants who are HLA-A\*02:01 negative, will be assigned to the control arm and receive allo-HCT alone.

Interventions

NameTypeDescription
TSC-101DRUGSOC + TSC-101
ControlOTHERSOC alone
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites26

Subject Inclusion Criteria: 1. Patient aged ≥ 18 years at the time of signing informed consent. 2. Karnofsky Performance Status (KPS) ≥50 at the time of the screening visit. 3. Undergoing first allo-HCT with a diagnosis of: * AML with bone marrow blasts \< 5%, absence of circulating blasts, and...

Countries:United States
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Recent Changes (Last 90 Days)

MEDIUMOct 5, 2026NCT07702578Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMOct 5, 2026NCT07702578Status: RECRUITING → ACTIVE_NOT_RECRUITING

Frequently asked questions about TSC-101

What is TSC-101?

TSC-101 is an investigational cell therapy being developed by TScan Therapeutics, Inc. for acute myeloid leukemia (AML). It is currently in Phase 3 clinical development and has received a Regenerative Medicine Advanced Therapy (RMAT) designation from the FDA. It is not yet approved for commercial use.

What is TSC-101 used for in AML?

TSC-101 is being studied for use in patients with acute myeloid leukemia (AML), specifically in the setting of allogeneic peripheral blood stem cell transplantation. The Phase 3 trial also enrolls patients with myelodysplastic syndromes (MDS). It is an investigational therapy and has not been approved for any indication.

Who makes TSC-101?

TSC-101 is being developed by TScan Therapeutics, Inc., a biotechnology company whose common stock trades on the Nasdaq under the ticker symbol TCRX. TScan Therapeutics is the sponsor of the ongoing clinical program for TSC-101.

What phase is TSC-101 in?

TSC-101 is in Phase 3 clinical development. The single registered trial for TSC-101 is a Phase 3 study that is currently active but no longer recruiting participants. TSC-101 has not been approved by the FDA and remains an investigational therapy.

What clinical trials is TSC-101 in?

TSC-101 is being evaluated in one registered clinical trial, NCT07702578, titled "A Study of T-Cell Receptor Engineered Donor T Cells in Subjects Undergoing Allogeneic Peripheral Blood Stem Cell Transplantation." The trial is a Phase 3, active-controlled study with an estimated enrollment of 310 participants, conducted in the United States, and is currently active but not recruiting.

What FDA designation has TSC-101 received?

TSC-101 has received a Regenerative Medicine Advanced Therapy (RMAT) designation from the FDA. This designation is separate from FDA approval, and TSC-101 remains an investigational product in Phase 3 clinical development for AML and MDS.