Evaluation of Xaluritamig in High-Risk, Biochemically Recurrent, Non-metastatic Castrate-sensitive Prostate Cancer

NCT ID: NCT06555796

Last Updated: 2025-10-30

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

PHASE1

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-09-23

Study Completion Date

2029-06-21

Brief Summary

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The main objective of this study is to evaluate the safety and tolerability of xaluritamig monotherapy in adult participants with high-risk biochemical recurrent (BCR) nonmetastatic castration-sensitive prostate cancer (nmCSPC).

Detailed Description

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Conditions

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Prostate Cancer High-risk Biochemical Recurrence High Risk Biochemical Recurrence of Non-metastatic Castration-sensitive Prostate Cancer Non-metastatic Castration-sensitive Prostate Cancer

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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Xaluritamig

Xaluritamig will be administered as a short-term intravenous (IV) infusion for a total of 6 cycles. One treatment cycle consists of 28 days.

Group Type EXPERIMENTAL

Xaluritamig

Intervention Type DRUG

IV infusion

Interventions

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Xaluritamig

IV infusion

Intervention Type DRUG

Other Intervention Names

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AMG 509

Eligibility Criteria

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Inclusion Criteria

* Histologically or cytologically confirmed adenocarcinoma of the prostate at initial biopsy, without neuroendocrine differentiation, signet cell, or small cell features.
* Prostate cancer initially treated by radical prostatectomy (RP) or radiotherapy (XRT) (including brachytherapy) or both (eg, salvage radiotherapy), with curative intent.
* PSA doubling time ≤ 12 months.
* Participants must have biochemically recurrent disease after definitive treatment to prostate by either RP or XRT.
* Screening PSA by the local laboratory ≥ 0.2 ng/mL for participants who had RP (with or without XRT) as primary treatment for prostate cancer or at least 2 ng/mL above the nadir (local assessments) for participants who had XRT or brachytherapy only as primary treatment for prostate cancer.
* Serum testosterone ≥ 150 ng/dL (5.2 nmol/L).
* Participants must have undergone a prostate-specific membrane antigen (PSMA) positron emission tomography (PET) scan during or within 3 months of screening.

Exclusion Criteria

* Present evidence of metastatic disease in conventional CT scan and/or bone scan
* Participants that present PSMA-positive lesions in the PSMA PET scan may be enrolled if the conventional imaging does not show suspicion of metastatic disease.
* Prior hormonal therapy, exceptions include:

* Neoadjuvant/adjuvant therapy to treat prostate cancer ≤ 36 months in duration and ≥ 9 months before enrollment, or
* A single dose or a short course (≤ 6 months) of hormonal therapy given for rising PSA ≥ 9 months before enrollment.
* Prior cytotoxic chemotherapy, aminoglutethimide, ketoconazole, abiraterone acetate, enzalutamide, apalutamide, or darolutamide for prostate cancer.
* Abiraterone acetate, enzalutamide, apalutamide, or darolutamide are allowed if administered in a neoadjuvant/adjuvant setting ≤ 36 months in duration and ≥ 9 months before enrollment.
* Prior systemic biologic therapy, including immunotherapy, for prostate cancer.
* If, in the investigator's opinion, salvage therapy is the preferred intervention.
* Autoimmune disease requiring systemic immunosuppression within the past 2 years.
* Participant with symptoms and/or clinical signs and/or radiographic signs that indicate an acute and/or uncontrolled active systemic infection within 7 days prior to the first dose of study treatment.
* Requirement for chronic systemic corticosteroid therapy (prednisone dose \> 10 mg/day or equivalent) or any other immunosuppressive therapies (including anti tumor necrosis factor alpha \[TNFα\] therapies) unless stopped (with adequate tapering) within 7 days prior to dosing.
Minimum Eligible Age

18 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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Amgen

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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MD

Role: STUDY_DIRECTOR

Amgen

Locations

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University of Minnesota Medical Center Fairview

Minneapolis, Minnesota, United States

Site Status RECRUITING

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Site Status RECRUITING

University of North Carolina at Chapel Hill

Chapel Hill, North Carolina, United States

Site Status RECRUITING

Levine Cancer Institute

Charlotte, North Carolina, United States

Site Status RECRUITING

Oregon Health and Science University

Portland, Oregon, United States

Site Status RECRUITING

Thomas Jefferson University

Philadelphia, Pennsylvania, United States

Site Status RECRUITING

University of Texas Southwestern Medical Center

Dallas, Texas, United States

Site Status RECRUITING

Fred Hutchinson Cancer Center

Seattle, Washington, United States

Site Status RECRUITING

Chris OBrien Lifehouse

Camperdown, New South Wales, Australia

Site Status RECRUITING

Cabrini Hospital

Malvern, Victoria, Australia

Site Status RECRUITING

Peter MacCallum Cancer Centre

Melbourne, Victoria, Australia

Site Status RECRUITING

Countries

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United States Australia

Central Contacts

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Amgen Call Center

Role: CONTACT

866-572-6436

Related Links

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http://www.amgentrials.com

AmgenTrials clinical trials website

Other Identifiers

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20230238

Identifier Type: -

Identifier Source: org_study_id

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