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Brief Title: XL092 in Combination With Immuno-Oncology Agents in Subjects With Solid Tumors

A Dose-Escalation and Expansion Study of the Safety and Efficacy of XL092 in Combination With Immuno-Oncology Agents in Subjects With Unresectable Advanced or Metastatic Solid Tumors

INTRODUCTION

  • Org Study ID: XL092-002
  • Secondary ID: N/A
  • NTC ID: NCT05176483
  • Sponsor: Exelixis

BRIEF SUMMARY

This is a multicenter Phase 1b, open label, dose-escalation and cohort-expansion study, evaluating the safety, tolerability, PK, preliminary antitumor activity, and effect of biomarkers of XL092 administered alone, and in combination with nivolumab (doublet) and nivolumab + ipilimumab (triplet) in subjects with advanced solid tumors.

In the Expansion Stage, the safety and efficacy of XL092 as combination therapy will be further evaluated in tumor-specific Expansion Cohorts, which will enroll subjects with genitourinary cancers.

  • Overall Status
    Recruiting
  • Start Date
    December 14, 2021
  • Phase
    Phase 1
  • Study Type
    Interventional

PRIMARY OUTCOMES

Primary Outcome 1 - Measure: Incidence and severity of adverse events (AEs) and serious adverse events (SAEs), including immune-mediated adverse events (imAEs)

Primary Outcome 1 - Timeframe: up to 36 months

Primary Outcome 2 - Measure: Expansion Stage: Objective Response Rate (ORR)

Primary Outcome 2 - Timeframe: up to 24 months

Primary Outcome 3 - Measure: Expansion Stage: Progression-Free Survival (PFS)

Primary Outcome 3 - Timeframe: up to 24 months

CONDITION

  • Renal Cell Carcinoma
  • Metastatic Castration-resistant Prostate Cancer
  • Urothelial Carcinoma
  • Solid Tumor

ELIGIBILITY

Inclusion Criteria:
Cytologically or histologically confirmed solid tumor that is unresectable, locally advanced or metastatic.

- Dose-Escalation Cohorts: Subjects with a solid tumor that is unresectable or metastatic and for which life-prolonging therapies do not exist or available therapies are intolerable or no longer effective.
Expansion Cohort 1 (ccRCC): Subjects with unresectable advanced or metastatic RCC with a clear cell component who have not received prior systemic therapy.
Note: Prior non-VEGF targeted adjuvant or neoadjuvant is allowed if disease recurrence occurred 6 months after the last dose.
Expansion Cohort 2 (ccRCC): Subjects with unresectable advanced or metastatic RCC with a clear cell component.
Must have radiographically progressed after a combination therapy consisting of a PD-1/PD-L1 targeting mAb with a VEGFR-TKI or a PD-1 targeting mAb with a CTLA-4 mAb as the preceding line of therapy.

- Must have received no more than one prior systemic anticancer therapy for unresectable advanced or metastatic renal cell carcinoma.
Expansion Cohort 3 (mCRPC): Men with metastatic adenocarcinoma of the prostate.
Must have progressed during or after one NHT given for castration-sensitive locally advanced (T3 or T4) or metastatic castration-sensitive prostate cancer (CSPC), M0 CRPC, or mCRPC.
Expansion Cohort 4 (UC, ICI-naive): Subjects with histologically confirmed unresectable, locally advanced or metastatic transitional cell carcinoma of the urothelium (including the renal pelvis, ureter, urinary bladder, or urethra).
Must have progressed during or after prior first-line platinum-based combination therapy, including subjects who received prior neoadjuvant or adjuvant platinum-containing therapy with disease recurrence < 12 months from the end of last therapy. - Must have received no more than 1 prior line of systemic anticancer therapy for unresectable, locally advanced or metastatic disease.
Expansion Cohort 5 (UC, ICI-experienced): Subjects with histologically confirmed unresectable, locally advanced or metastatic transitional cell carcinoma of the urothelium (including the renal pelvis, ureter, urinary bladder, or urethra).
Must have progressed during or after prior PD-1/PD-L1 targeting ICI therapy given as monotherapy, combination therapy, maintenance therapy or adjuvant therapy.

- Must have received no more than 2 prior lines of systemic anticancer therapy for unresectable advanced or metastatic disease.
Expansion Cohort 6 (nccRCC): Subjects with unresectable advanced or metastatic nccRCC of the following subtypes: Papillary RCC (any type), unclassified RCC, and translocation-associated. Among the eligible histologic subtypes, sarcomatoid features are allowed.
No prior systemic anticancer therapy is allowed except adjuvant or neoadjuvant therapy if disease recurrence occurred at least 6 months after the last dose.

- Expansion Cohorts 1, 2, 4, 5, 6: Measurable disease per RECIST 1.1 as determined by the Investigator.

- For expansion cohorts only: Archival tumor tissue material, if available, or fresh tumor tissue if it can be safely obtained.

- Recovery to baseline or ≤ Grade 1 CTCAE v5 from AE(s) related to any prior treatments unless AE(s) are deemed clinically nonsignificant by the Investigator and/or stable on supportive therapy.

- Karnofsky Performance Status (KPS) ≥ 70%.

- Adequate organ and marrow function.

- Sexually active fertile subjects and their partners must agree to use highly effective methods of contraception.

- Female subjects of childbearing potential must not be pregnant at screening.
Exclusion Criteria:
For all Dose-Escalation cohorts: Prior treatment with XL092. For all Expansion Cohorts: Prior treatment with XL092, nivolumab, or ipilimumab with the following exceptions: Prior PD-1/PD-L1 and CTLA-4 targeting therapy for locally advanced or metastatic disease is allowed for Cohorts 2 (ccRCC 2L) and 5 (UC [ICI-experienced]).

- For all Dose-Escalation Cohorts and Expansion Cohorts 2 (ccRCC), 3 (mCRPC), 4 and 5 (UC): Receipt of any type of small molecule kinase inhibitor (including investigational kinase inhibitor) within 2 weeks before first dose of study treatment.

- For Cohort 3 (mCRPC): Receipt of abiraterone within 1 week; cyproterone within 10 days; or receipt of flutamide, nilutamide, bicalutamide, enzalutamide, or other androgen receptor inhibitors within 2 weeks before first dose of study treatment.

- For all Dose-Escalation Cohorts and Expansion Cohorts 2 (ccRCC), 3 (mCRPC), 4 and 5 (UC): Receipt of any type of anticancer antibody or systemic chemotherapy within 4 weeks before first dose of study treatment.

- Any complementary medications (eg, herbal supplements or traditional Chinese medicines) to treat the disease under study within 2 weeks before first dose of study treatment.

- Prior external radiation therapy within 2 weeks and prior radium-223 therapy within 6 weeks before first dose of study treatment.

- Known brain metastases or cranial epidural disease unless adequately treated with radiotherapy (including radiosurgery) or surgically removed and stable for at least 4 weeks before first dose of study treatment.

- Concomitant anticoagulation with oral anticoagulants and platelet inhibitors.

- Administration of a live, attenuated vaccine within 30 days prior to enrollment.

- Uncontrolled, significant intercurrent or recent illness.

- Corrected QT interval calculated by the Fridericia formula (QTcF) > 480 ms per electrocardiogram (ECG) within 14 days before first dose of study treatment.

- Subjects with inadequately treated adrenal insufficiency.

- Pregnant or lactating females.

- Any other active malignancy within two years before first dose of study treatment, except for locally curable cancers that have been apparently cured such as basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the prostate, cervix, or breast.
Note: Additional Inclusion and Exclusion criteria may apply.

Gender: All

Minimum Age: 18 Years

Maximum Age: N/A

Healthy Volunteers: No

OFFICIAL INFORMATION

Name: N/A

Role: N/A

Affiliation: N/A

Overall Contact

Name: N/A

Phone: 1-888-EXELIXIS (888-393-5494), 650-837-7400

Email: druginfo@exelixis.com

LOCATION

Facility Status Contact
Facility: Exelixis Site #1
Tucson, Arizona 85711
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #8
Tampa, Florida 33612
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #4
Indianapolis, Indiana 46250
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #7
Boston, Massachusetts 02215
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #2
Omaha, Nebraska 68130
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #5
Omaha, Nebraska 68130
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #6
New York, New York 10065
United States
Status: Recruiting Contact: N/A
Facility: Exelixis Clinical Site #3
Nashville, Tennessee 37203
United States
Status: Recruiting Contact: N/A