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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Lete-cel Clear all
Terminated Phase 1Phase 2 Interventional Results available

Pilot Immunotherapy Study With Letetresgene Autoleucel (Lete-cel, GSK3377794)T-cells in New York Esophageal Squamous Cell Carcinoma-1 (NY-ESO-1)/ LAGE-1a-positive Advanced Non-small Cell Lung Cancer (NSCLC) Either Alone or in Combination With Pembrolizumab

NCT03709706
View directory record Official record
Conditions
Neoplasms
Interventions
Lete-cel, Pembrolizumab
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
20
States / cities
Duarte, California • La Jolla, California • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2024 · Synced Sep 10, 2026, 2:04 AM EDT
Completed Phase 2 Interventional

Study to Evaluate Safety and Antitumor Activity of Lete-Cel (GSK3377794) in HLA-A2+ Participants With NY-ESO-1 Positive Previously Treated Advanced (Metastatic or Unresectable) Synovial Sarcoma or Myxoid/Round Cell Liposarcoma

NCT06703346
View directory record Official record
Conditions
Neoplasms
Interventions
Letetresgene autoleucel (Lete-Cel (GSK3377794)), Cyclophosphamide, Fludarabine
Drug
Lead sponsor
USWM CT, LLC
Industry
Eligibility
10 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
24
States / cities
Duarte, California • Stanford, California • Denver, Colorado + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 10, 2026, 2:04 AM EDT
Active, not recruiting Phase 2 Interventional

Master Protocol to Assess the Safety and Antitumor Activity of Genetically Engineered T Cells in NY-ESO-1 and/or LAGE-1a Positive Solid Tumors

NCT03967223
View directory record Official record
Conditions
Neoplasms
Interventions
Letetresgene autoleucel (lete-cel, GSK3377794), Fludarabine, Cyclophosphamide
Drug
Lead sponsor
USWM CT, LLC
Industry
Eligibility
10 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
24
States / cities
Duarte, California • Stanford, California • Denver, Colorado + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 10, 2026, 2:04 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate Safety and Antitumor Activity of Lete-Cel (GSK3377794) in HLA-A2+ Participants With NY-ESO-1 Positive Previously Untreated Advanced (Metastatic or Unresectable) Synovial Sarcoma and Myxoid/Round Cell Liposarcoma

NCT05993299
View directory record Official record
Conditions
Neoplasms
Interventions
Letetresgene autoleucel, Cyclophosphamide, Fludarabine
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
10 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
24
States / cities
Duarte, California • Stanford, California • Denver, Colorado + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 10, 2026, 2:04 AM EDT