Sapanisertib and Serabelisib (PIKTOR) With Paclitaxel and a Substudy With an Insulin-Suppressing Diet in Patients With Advanced/Recurrent Endometrial Cancer

NCT ID: NCT06463028

Last Updated: 2025-12-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-12-12

Study Completion Date

2029-09-30

Brief Summary

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This is a Phase 2, multicenter, open-label, single-arm study to evaluate the efficacy and safety of sapanisertib and serabelisib (PIKTOR) with paclitaxel in participants with advanced or recurrent endometrial cancer.

Detailed Description

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This is a Phase 2, multicenter, open-label, single-arm study to evaluate the efficacy and safety of sapanisertib and serabelisib (PIKTOR) with paclitaxel in participants with advanced or recurrent endometrial cancer who have failed prior systemic therapies, including a platinum-based therapy and an immune checkpoint inhibitor, either separately or together.

Conditions

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Endometrial Cancer

Keywords

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Serabelisib Sapanisertib Paclitaxel Taxol Antineoplastic Agents PI3K AKT mTOR Dual PI3K/mTOR inhibition Genetic mutation Cisplatin Carboplatin Genital Diseases Endometrial Neoplasms Advanced Endometrial Carcinoma Recurrent Endometrial Carcinoma Metastatic Endometrial Carcinoma Endometrial Cancer Endometrioid Carcinoma Cancer of Endometrium Cancer of the Endometrium Carcinoma of Endometrium Endometrial Carcinoma Endometrium Cancer Neoplasms, Endometrial Metabolism Synthetic Lethality Metabolism Programming PIK3CA PIK3CA Mutation PI3K Gene Mutation PI3K/AKT/mTOR Pathway Mutation AKT Gene Mutation mTOR Gene Mutation

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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sapanisertib and serabelisib (PIKTOR) with paclitaxel

Subjects will receive doses of sapanisertib and serabelisib (PIKTOR) administered orally and paclitaxel administered intravenously.

Group Type EXPERIMENTAL

Sapanisertib

Intervention Type DRUG

Oral

Serabelisib

Intervention Type DRUG

Oral

Paclitaxel

Intervention Type DRUG

Infusion

Interventions

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Sapanisertib

Oral

Intervention Type DRUG

Serabelisib

Oral

Intervention Type DRUG

Paclitaxel

Infusion

Intervention Type DRUG

Other Intervention Names

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FTH-003 MLN0128 FTH-001 MLN1117

Eligibility Criteria

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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 therapies. Prior therapy must include platinum-based chemotherapy and a checkpoint inhibitor, either separately or in combination. If a subject has been unable to be treated with checkpoint inhibitor in the past due to medical contraindications, consult with Medical Monitor.
* PI3K/AKT/mTOR pathway gene alteration identified.
* At least 1 measurable target lesion according to RECIST v1.1
* Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 1 at Screening.
* Non-pregnant, non-lactating females who are postmenopausal, surgically sterile or who agree to use effective contraceptive methods..

Exclusion Criteria

* Participants with central nervous system metastases are not eligible, unless they have completed local therapy and have discontinued the use of corticosteroids for this indication for at least 4 weeks before starting treatment in this study
* Active malignancy (except for endometrial cancer, definitively treated in-situ carcinomas \[e.g., breast, cervix, bladder\], or basal or squamous cell carcinoma of the skin) within the past 24 months prior to treatment. Fully resected localized malignancies are eligible.
* Gastric feeding tube (gastrostomy tube), gastrointestinal malabsorption, gastrointestinal anastomosis, bowel obstruction, or any other condition that might affect the absorption of study treatment.
* Clinically significant (per Investigator judgement) hemoptysis or tumor bleeding.
* Significant cardiovascular impairment.
* Active, uncontrolled (requiring systemic antimicrobial therapy) infection.
* Concurrent participation in another therapeutic clinical trial.
* Prior radiation therapy within 21 days prior to start of study treatment.
* Strong CYP3A4 inhibitors and inducers are prohibited during the study. Strong CYP1A2 inhibitors as well as CYP1A2 inducers should be administered with caution and at the discretion of the Investigator. Alternative treatments, if available, should be considered. Additionally, strong CYP3A4 inhibitors or inducers should not be taken within 7 days before the first dose of study intervention.
* Participants who require PPIs or chronic use of antacids, histamine H2 receptor blockers, or other treatments to raise gastric pH.
* Prolongation of QTc interval to \>480 ms.
* HbA1c ≥ 8.0% or fasting serum glucose \> 160 mg/dL or fasting triglycerides \> 300 mg/dL or receiving treatment with insulin.
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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GOG Foundation

NETWORK

Sponsor Role collaborator

Faeth Therapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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UC San Diego Moores Cancer Center

La Jolla, California, United States

Site Status RECRUITING

University of California, San Francisco (UCSF)

San Francisco, California, United States

Site Status RECRUITING

Mount Sinai Comprehensive Cancer Center

Miami Beach, Florida, United States

Site Status RECRUITING

Florida Cancer Specialists, North

St. Petersburg, Florida, United States

Site Status RECRUITING

Florida Cancer Specialists, East

West Palm Beach, Florida, United States

Site Status RECRUITING

Maryland Oncology Hematology, P.A.

Brandywine, Maryland, United States

Site Status RECRUITING

Minnesota Oncology Hematology, P.A.

Maple Grove, Minnesota, United States

Site Status RECRUITING

Women's Cancer Care Associates, LLC

Albany, New York, United States

Site Status RECRUITING

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Site Status RECRUITING

University of Cincinnati Medical Center

Cincinnati, Ohio, United States

Site Status RECRUITING

Oncology Associates of Oregon, P.C.

Eugene, Oregon, United States

Site Status RECRUITING

Northwest Cancer Specialists, P.C.

Portland, Oregon, United States

Site Status RECRUITING

Alliance Cancer Specialists, PC

Doylestown, Pennsylvania, United States

Site Status RECRUITING

West Penn Hospital

Pittsburgh, Pennsylvania, United States

Site Status RECRUITING

Avera Cancer Institute

Sioux Falls, South Dakota, United States

Site Status RECRUITING

Texas Oncology - West Texas

El Paso, Texas, United States

Site Status RECRUITING

Texas Oncology - Gulf Coast

The Woodlands, Texas, United States

Site Status RECRUITING

Virginia Cancer Specialists, P.C.

Fairfax, Virginia, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Medical Monitor

Role: CONTACT

Phone: (708)406-9282

Email: [email protected]

References

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Starks DC, Rojas-Espaillat L, Meissner T, Williams CB. Phase I dose escalation study of dual PI3K/mTOR inhibition by Sapanisertib and Serabelisib in combination with paclitaxel in patients with advanced solid tumors. Gynecol Oncol. 2022 Sep;166(3):403-409. doi: 10.1016/j.ygyno.2022.07.005. Epub 2022 Jul 15.

Reference Type BACKGROUND
PMID: 35843739 (View on PubMed)

Related Links

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Other Identifiers

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FTH-PIK-201

Identifier Type: -

Identifier Source: org_study_id

GOG-3111

Identifier Type: OTHER

Identifier Source: secondary_id