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Study identifier: NCT05746208 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Lenvatinib Plus Pembrolizumab in Well Differentiated G3 Neuroendocrine Tumors

Condition: Neuroendocrine Tumors · Well-Differentiated Neuroendocrine Carcinoma · High Grade Neuroendocrine Carcinoma, Any Site  ·  Sponsor: University of California, San Francisco

PhasePhase 2
Planned participants29
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This is the first study to be done in a newly described class of neuroendocrine tumors known as well-differentiated grade 3 neuroendocrine tumors (WD G3 NET). First described in the pancreas in 2017, the classification was broadened to include gastrointestinal tract tumors in 2019. Recent data suggest an equivalent subtype exists in the lungs (NEC with carcinoid morphology). WD G3 NETs can occur de novo as well as the result of grade progression over time. This is a single arm, multi-site, Phase II study in biomarker "unselected" participants. This study will also incorporate serial blood samples, tumor biopsies, and special imaging to better understand the impact of therapy on the tumor and microenvironment. Hyperpolarized (HP) 13C-pyruvate magnetic resonance imaging (MRI) - a novel non-radioactive imaging modality able to provide in vivo measurements of the pyruvate-to-lactate conversion rate (kpl).

This description comes directly from the study's public registry record.

Talk to the study team

Jennifer Luan  ·  (415) 514-6220  ·  Jennifer.Luan@ucsf.edu

Always discuss trial participation with your own doctor first.

Locations (1)

University of California, San FranciscoSan Francisco, California, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05746208