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Sapanisertib

Phase 2

Endometrial Cancer | Small molecule | Oncology |Faeth Therapeutics, Inc. Common Stock|Trials Updated: Dec 24, 2025

Sapanisertib development status

Highest phase Phase 2
Registered trials 8 across 2 sponsors since Jan 2010

Sapanisertib target and mechanism

Molecular targetMTOR
Target classInhibitor
ModalitySmall molecule

Also known as FTH-003, MLN0128

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment40

FDA Designations

No designations recorded

Sapanisertib clinical trials

Sapanisertib · 1 trial · 1 indication

Phase 2 1
NCT06463028Sapanisertib and Serabelisib (PIKTOR) With Paclitaxel and a Substudy With an Insulin-Suppressing Diet in Patients With Advanced/Recurrent Endometrial CancerEndometrial Cancer
RECRUITING40 Analytics
PHASE2RECRUITING
Sapanisertib and Serabelisib (PIKTOR) With Paclitaxel and a Substudy With an Insulin-Suppressing Diet in Patients With Advanced/Recurrent Endometrial Cancer
Endometrial CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Objective Response Rate (ORR)
Up to 2 years

Defined as the proportion of participants with measurable disease at baseline who have confirmed complete response (CR) or partial response (PR).

Secondary Endpoints

Progression free survival (PFS)
Up to 5 years.
Progression free survival (PFS) at 6 months
Up to 5 years.
Overall survival (OS)
Up to 5 years.
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
sapanisertib and serabelisib (PIKTOR) with paclitaxelEXPERIMENTALSubjects will receive doses of sapanisertib and serabelisib (PIKTOR) administered orally and paclitaxel administered intravenously.

Interventions

NameTypeDescription
SapanisertibDRUGOral
SerabelisibDRUGOral
PaclitaxelDRUGInfusion
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Eligibility Criteria

Age Range18 Years to N/A
SexFEMALE
Healthy VolunteersNo
Study Sites18

Inclusion Criteria: * Histologically confirmed diagnosis of endometrioid endometrial carcinoma. * Documented evidence of advanced or recurrent endometrial cancer that is not amenable to surgery/radiation for curative intent. * Participant has received at least 1 but not more than 4 prior systemic t...

Countries:United States
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Frequently asked questions about Sapanisertib

What is Sapanisertib used for?

Sapanisertib is an investigational small molecule being studied for the treatment of advanced or recurrent endometrial cancer. It is being evaluated in a Phase 2 clinical trial in combination with serabelisib, paclitaxel, and a substudy with an insulin-suppressing diet. It is not yet approved for any indication.

What does Sapanisertib target?

Sapanisertib targets MTOR, a kinase that regulates cell growth and proliferation. It acts as an MTOR inhibitor. By inhibiting MTOR, sapanisertib may help slow tumor growth in cancers that depend on this pathway, such as endometrial cancer.

Who is developing Sapanisertib?

Sapanisertib is being developed by Faeth Therapeutics, Inc., which trades under the ticker FTH. The company is sponsoring the clinical development of sapanisertib for endometrial cancer.

What phase is Sapanisertib in?

Sapanisertib is in Phase 2 clinical development. It is being evaluated in a single active, recruiting trial for advanced or recurrent endometrial cancer. The trial has an estimated enrollment of 40 participants.

What clinical trials is Sapanisertib in?

Sapanisertib is being studied in the Phase 2 trial NCT06463028, titled 'Sapanisertib and Serabelisib (PIKTOR) With Paclitaxel and a Substudy With an Insulin-Suppressing Diet in Patients With Advanced/Recurrent Endometrial Cancer.' The trial is currently recruiting female participants aged 18 years and older in the United States.