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LY2157299

Phase 2

Rectal Adenocarcinoma | Small molecule | Oncology |Eli Lilly and Company|Last Updated: Apr 13, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment50
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02688712ExIST Study of LY2157299 (Galunisertib) in Rectal CancerPHASE2 ACTIVE NOT_RECRUITING 50Mar 24, 2016Dec 1, 2026Apr 13, 20261 United States
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Study Endpoints
Primary Endpoints
Evaluation of pathologic response
Patients should be evaluated for response at surgery and every 3 months for 2 years and then every 6 months at year three and four. All patients will be followed for survival until death or 5 years post-treatment (whichever comes first)

Complete response is defined as no viable tumor cells identified.

Secondary Endpoints
Immunoscore (utilizing tumor tissue)
Screening Visit, Day 15 Visit and Day of Surgery
MRI Parameters
Screening Visit and Day 15 Visit
Immunologic monitoring parameters
Days 1, 15, 22, 29, 43, 57 Visits, and Day of Surgery.
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
LY2157299 + Chemoradiation + SurgeryEXPERIMENTALPatients will receive a 14 day course of LY2157299. On day 15 patients will begin chemoradiation treatment with Capecitabine or Fluorouracil. On day 29, patients will undergo another fourteen day course of LY2157299 concurrent with their ongoing chemoradiation treatment. Six to ten weeks after completing their neoadjuvant therapy, patient will undergo a tumor specific mesorectal excision as per standard of care.
Interventions
NameTypeDescription
LY2157299DRUGSmall molecule inhibitor of transforming growth factor-beta signaling pathway
CapecitabineDRUGAntimetabolite chemotherapy
FluorouracilDRUGAntimetabolite chemotherapy
Tumor specific mesorectal excisionPROCEDURETumor specific mesorectal excision
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Patients (male and female) with histologically confirmed rectal adenocarcinoma, AJCC Stage IIA-IIIC or AJCC Stage IV appropriate for consideration of primary rectal tumor resection. * Eastern Cooperative Oncology Group (ECOG) performance status 0-2 * Age 18 years or above. * L...

Countries:United States
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT02688712primaryCompletionDate: changed
LOWMay 24, 2026NCT02688712studyFirstPostDate: changed