ClinicalTrials.gg
Not yet recruitingNCT07737925Updated Aug 14, 2026

LuX: Xaluritamig in Participants With Metastatic Castrate Resistant Prostate Cancer and Suboptimal Response to Lutetium 177 Vipivotide Tetraxetan

A Phase 2 interventional study of Xaluritamig in Prostate Cancer and Metastatic Castrate Resistant Prostate Cancer, sponsored by Thomas Jefferson University. Not yet recruiting. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-08-14.

Sponsored by Thomas Jefferson University · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
30
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 14 studies in Prostatic Neoplasms by Thomas Jefferson University — 4 open to participants now, 7 under way, 2 of them phase 3. Prostatic Neoplasms · Thomas Jefferson University.

Planned enrollment
8th of 11
30 · median 55
Started
2026
with 1 other
Phase 2
3 of 14
1 open now
Registered
14th of 14
by date

Among the 14 studies in Prostatic Neoplasms by Thomas Jefferson University, this one is the 8th largest by planned enrollment of the 11 interventional ones, is one of 2 that started in 2026, is one of 3 in phase 2, and was the 14th registered.

By phase

14 studies; the count open now beside each. This study's row is marked.

No phase5 · 1 open
Observational3 · 1 open
Phase 2this study3 · 1 open
Phase 32 · 1 open
Phase 11 · 0 open

By the year they started

First in 2014; this study’s year is marked. 2 started in 2026.

Size and results

Median enrollment 55 across the 11 interventional studies, 118 across the 3 observational. Of the 7 that completed or were terminated, 1 (14%) have results posted.

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02

Study summary

This is a phase 2a, open label, single arm, multi-site study of xaluritamig in mCRPC patients following treatment with ≥1 ARPI, taxane chemotherapy (if eligible) and stable or partial PSA response following 2 cycles of lutetium 177 vipivotide tetraxetan.

Participants will continue treatment until clinical or radiographic progression of disease, withdrawal, or toxicity requiring discontinuation of therapy. All participants will be evaluated for overall response per RECIST v1.1,8 radiographic progression free survival (rPFS) by Prostate Cancer Working Group 3 (PCWG3) criteria, and PSA response. Approximately 30 participants will be enrolled. There is no data on response with alternative treatments following lutetium 177 vipivotide tetraxetan against which to benchmark the response rate. This phase 2a study will serve as an exploratory pilot to determine if a larger phase 2b study is warranted in this setting.

Read the detailed description

Primary Objective and Endpoints

To evaluate the efficacy of xaluritamig following lutetium 177 vipivotide tetraxetan in patients with mCRPC, using a composite endpoint defined as the proportion of participants who achieve either of the following:

  • Partial or complete response up to 24 weeks by local investigator's assessment per RECIST v1.1 in participants with baseline measurable disease, with confirmation at least 4 weeks after the initial observation; OR
  • PSA90, defined as a decline of ≥ 90% from baseline PSA (for participants with a baseline PSA ≥ 2.0 ng/mL) up to 24 weeks, confirmed by a subsequent PSA value obtained ≥3 weeks later.

Secondary Objectives and Endpoints

To evaluate the safety and efficacy of xaluritamig following lutetium 177 vipivotide tetraxetan in patients with mCRPC as measured by:

  • Radiographic PFS
  • Duration of response, per RECIST v1.1
  • Time to PSA response (30%, 50%, 70%, and 90%)
  • Time to PSA progression
  • Changes in laboratory safety evaluations (complete blood count [CBC], comprehensive metabolic panel [CMP], lactate dehydrogenase [LDH])
  • Treatment-emergent adverse events (TEAE) following treatment initiation.
  • Duration of PSA 50/90 response

Correlative/Exploratory/Tertiary Objectives The following tertiary objectives are included in this protocol for exploratory purposes. However, it is important to note that these objectives may not be pursued depending on resource availability, feasibility, or other considerations during the course of the trial.

  • To perform quantitative analysis of peripheral immune profile and cytokine profiles.
  • To perform somatic genomic analysis and measure circulating tumor cells.
  • To conduct immune and molecular analyses and exploratory prostate cancer biomarker studies to associate with clinical outcomes.
03

Conditions studied

  • Prostate Cancer
  • Metastatic Castrate Resistant Prostate Cancer

Browse trials for

Keywords

  • Xaluritamig
  • AMG509
  • Lutetium 177 Vipivotide Tetraxetan
  • Sequential Targeting
  • PSMA
  • STEAP1
  • T-cell engager
  • mCRPC
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

To be included in this study, participants should complete all screening procedures and meet all of the following criteria (i.e., evaluations performed as part of routine care prior to can be used for screening and eligibility confirmation):

  • Willing and able to provide, or have a legally authorized representative provide, written informed consent and privacy authorization for the release of personal health information. A signed informed consent must be obtained before screening procedures are performed.

NOTE: Privacy authorization may be either included in the informed consent or obtained separately.

  • 18 years of age and above
  • Histological, pathological, and/or cytological confirmation of adenocarcinoma of the prostate.
  • Prior orchiectomy and/or ongoing androgen-deprivation therapy and a castrate level of serum testosterone (\<50 ng/dL or \<1.7 nmol/L).
  • Received ≥1 novel ARPI (e.g., enzalutamide, darolutamide, apalutamide and/or abiraterone).
  • (ECOG) status of 0-2 (Appendix A).
  • of >6 months.
  • Previously treated with, declined treatment with, or are considered unsuitable/unwilling for taxane regimen per investigator discretion.
  • Prior completion of 2 cycles of lutetium 177 vipivotide tetraxetan between 16 and 6 weeks prior to initiation of study treatment, with evidence of PSA response between 0-90% decrease from the pre- lutetium 177 vipivotide tetraxetan baseline, documented by a PSA measurement obtained within 4 weeks of second dose of lutetium 177 vipivotide tetraxetan.
  • Participants must have either:

    1. baseline per v1.1 at time of screening or
    2. baseline PSA ≥ 2 ng/mL at time of screening.
  • Patients must have adequate organ function:

    a. Bone marrow reserve: i. White blood cell (WBC) count ≥2.5 x 10⁹ /L OR (ANC) ≥1.5 x 10⁹/L ii. ≥75 x 10⁹ /L iii. ≥9 g/dL (9 g/dL is equivalent to 90 g/L and 5.59 mmol/L) b. Hepatic: iv. and ALT ≤ 3 X (ULN) (or ≤ 5 X ULN for participants with liver involvement) v. total (TBL) ≤ 1.5 X ULN (or ≤ 2 X ULN for participants with liver involvement). For patients with known Gilbert's Syndrome, \< 3 X ULN is permitted.

    c. Renal: estimated based on MDRD (Modification of Diet in Renal Disease) calculation ≥ 30 ml/min/1.73 m2.

    d. Pulmonary Function: Baseline oxygen saturation > 92% on room air at rest and no oxygen supplementation.

    e. Cardiac function: > 50% (screening echocardiography only required in subjects with known history of cardiac disease, prior MI, angina pectoris, coronary artery bypass graft (CABG), angioplasty, stent placement).

  • Participants with partners of must agree to use a medically acceptable method of (e.g., spermicide in conjunction with a barrier such as a condom) or sexual abstinence for the duration of the study including 6 months after the last dose of study drug. Sperm donation is prohibited during the study and for 6 months after the last dose of study drug. Female partners must use hormonal or barrier contraception unless or abstinent.

Exclusion criteria

Exclusion Criteria:

  • Any prior or concurrent whose natural history or treatment has the potential to interfere with the safety or efficacy assessments in the judgment of the site Principal Investigator (PI). Participants with prior history of malignancy that have been adequately treated and who have been disease-free for > 3 years are eligible, as are subjects with adequately treated non-melanoma skin cancer or superficial bladder cancer.
  • Requirement for chronic systemic therapy (prednisone dose >10 mg per day or equivalent) or any other therapies (including anti-TNFα therapies) unless stopped (with adequate tapering) within 7 days prior to dosing. Corticosteroid treatment for adverse event management as described in Section 6.1.10 is allowed.
  • Previous PSMA-targeted radioligand therapy, aside from treatment with 2 cycles of lutetium 177 vipivotide tetraxetan, is not allowed.
  • Prior PSMA radioligand therapy within 6 weeks of first dose of study treatment.
  • Other concurrent cytotoxic chemotherapy, immunotherapy, radioligand therapy, PARP inhibitor, biological therapy, or therapy.
  • Untreated central nervous system or , symptomatic cord compression, or clinical or radiologic findings indicative of impending cord compression.
  • Active systemic infection treated with IV antibiotics within 7 days prior to the first dose of study drugs.
  • Active disease that has required systemic treatment (except replacement therapy) within the past 2 years or any other diseases requiring immunosuppressive therapy while on study. Participants with Type I diabetes, vitiligo, psoriasis, hypo or hyperthyroid disease not requiring immunosuppressive treatment are permitted.
  • History or evidence of inflammatory bowel disease (ulcerative colitis or Chron disease) or any other gastrointestinal disorder causing chronic nausea, vomiting or diarrhea ( ≥ grade 2).
  • Evidence of interstitial lung disease or active, non-infectious pneumonitis, or uncontrolled asthma.
  • Recent history of arterial (e.g. stroke or ) or venous (e.g., pulmonary embolism or deep vein thrombosis) thrombosis; within 12 and 6 months prior to first dose of study treatment, respectively.
  • Resting (ECG) indicating uncontrolled, potentially reversible cardiac conditions, as determined by the investigator (e.g. unstable ischemia, uncontrolled symptomatic arrhythmia, congestive heart failure, interval by Fredericia prolongation > 480 ms, electrolyte disturbances, etc), or patients with congenital long QT syndrome.
  • Recent history of myocardial infarction and/or symptomatic congestive hear failure ( ≥ class II) within 12 months of first dose of study treatment, with the exception of ischemia or non ST segment elevation myocardial infarction controlled with stent placement and confirmed by a cardiologist more than 6 months prior to first dose of study treatment.
  • Unresolved toxicities from prior anti-tumor therapy not having resolved to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 grade 1 or less, with the exception of alopecia, neuropathy, endocrinopathy, xerostomia, or toxicities that are stable and well-controlled.
  • Known allergy to any of the compounds under investigation.
  • Any other condition which, in the opinion of the investigator, would preclude participation in this trial.
Terms in these criteria, in plain language(28)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

Life expectancy

The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.

Measurable disease

The amount of disease can be tracked with a defined measurement, so the study can see whether it shrinks or grows. It might be a tumour measured on a scan or, in some blood cancers such as myeloma, a marker measured in blood or urine.

The criteria or the study team say which measurement counts — having no tumour visible on a scan does not by itself rule you out.

RECIST

The standard rules for measuring tumours on CT or MRI scans, to tell whether a cancer is shrinking, stable or growing during treatment.

“Measurable disease per RECIST 1.1” usually means at least one tumour 10 mm or more at its longest on a CT scan, or a lymph node 15 mm or more across its short axis.

Absolute neutrophil count (ANC)

The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.

It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

GFR and eGFR (kidney filtering)

GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².

Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.

LVEF (left ventricular ejection fraction)

The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Postmenopausal

Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Leptomeningeal disease

Cancer that has spread to the leptomeninges, the thin layers covering the brain and spinal cord, and the fluid between them. It is not the same as brain metastases.

Criteria often treat it separately, and many studies leave it out even where treated brain metastases are allowed.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

CTCAE grade

The US National Cancer Institute’s scale of how severe an adverse event is — any unwanted medical event during a study, such as a symptom, an illness or an abnormal test result, whether or not a treatment caused it. Whether it did is judged separately.

1
Mild.
2
Moderate.
3
Severe.
4
Life-threatening.
5
Death due to the event.

“Side effects of earlier treatment resolved to grade 1 or less” means they have settled to mild or gone.

TIA (transient ischaemic attack)

A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.

Stroke symptoms need emergency care at once, even if they go away.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

QT and QTc

On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.

The study may name a correction formula and a limit in milliseconds, often around 450–480.

NYHA class (heart failure)

The New York Heart Association’s four classes of how much heart failure limits physical activity.

I
No limits: ordinary activity causes no undue tiredness or breathlessness.
II
Slight limits: comfortable at rest, ordinary activity causes symptoms.
III
Marked limits: comfortable at rest, less than ordinary activity causes symptoms.
IV
Symptoms even at rest; any activity makes them worse.

Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    Arm 1: Xaluritamig

    Participants with metastatic castration-resistant prostate cancer (mCRPC) will be randomized to receive Xaluritamig as an intravenous (IV) infusion.

    Drug: Xaluritamig

Interventions

06

What researchers measure

Primary outcomes

  1. Proportion of Participants who achieve Partial or Complete Response or PSA90

    Proportion of participants with mCRPC treated with xaluritamig after lutetium-177 vipivotide tetraxetan who achieve either: (1) a confirmed Complete Response (CR) or Partial Response (PR) within 24 weeks by local investigator assessment per RECIST v1.1 in participants with baseline measurable disease, with confirmation ≥4 weeks after initial response; or (2) a confirmed PSA90 response, defined as a ≥90% decline from baseline PSA in participants with baseline PSA ≥2.0 ng/mL within 24 weeks, confirmed by a subsequent PSA assessment obtained ≥2 weeks later. RECIST v1.1 classifies tumor response as CR (disappearance of all target lesions), PR (≥30% decrease in tumor size), Stable Disease (SD), or Progressive Disease (PD; ≥20% increase in tumor size or new lesions). Higher response rates indicate greater treatment efficacy.

    Time frame: Baseline to 24 weeks

Secondary outcomes

  1. Radiographic Progression-Free Survival (rPFS)

    Time from initiation of study treatment to the earliest occurrence of radiographic disease progression per RECIST v1.1 or death from any cause, whichever occurs first. rPFS will be summarized as median time-to-event with a 90% confidence interval using the Kaplan-Meier method. Progression is determined using RECIST v1.1 and PCWG3 guidelines. New lesions require confirmation on a subsequent scan, with at least two initially identified new lesions remaining present. PCWG3 assesses progression in metastatic castration-resistant prostate cancer using RECIST v1.1 for soft tissue disease, bone scan criteria (including the "2+2" rule for new lesions), and PSA changes. RECIST v1.1 classifies response as Complete Response (CR), Partial Response (PR), Stable Disease (SD), or Progressive Disease (PD). Longer rPFS indicates better disease control; shorter rPFS indicates faster progression or treatment failure.

    Time frame: Up to 2 years post-treatment

  2. Duration of response (DOR)

    Duration of response will be evaluated for participants and is defined as the time from the first evidence of CR/PR per the Investigator to the first evidence of disease progression (assessed in soft tissue per RECIST v1.1), or death, whichever occurs first. Will be reported as median time-to-event and 90% confidence interval according to the Kaplan Meier product-limit method. RECIST 1.1 (Response Evaluation Criteria in Solid Tumors) is a system for evaluating tumor response to treatment using four categories: Complete Response (CR) for disappearance of all target lesions, Partial Response (PR) for at least a 30% decrease in tumor size, Stable Disease (SD) for no significant change, and Progressive Disease (PD) for at least a 20% increase or new lesions. Minimum measurable size is 10 mm for solid tumors and 15 mm for lymph nodes. Better outcomes correspond to CR or PR, while PD indicates worsening.

    Time frame: From Baseline measurable disease until the first date that progressive disease is objectively documented, assesed up to 58 months.

  3. Time to Prostate-Specific Antigen (PSA) response (30%, 50%, 70%, and 90%)

    Defined as time to PSA decline of ≥ 30%, 50%, 70%, and 90% from start of study treatment. Median time to a decrease in PSA of 30%, 50%, 70%, and 90% from treatment initiation confirmed by a subsequent PSA value obtained ≥3 weeks later. Will be reported as median time-to-event and 90% confidence interval according to the Kaplan Meier product-limit method.

    Time frame: assessed up to 58 months

  4. Time to Prostate-Specific Antigen (PSA) Progression

    Time from treatment initiation to the date of first PSA value demonstrating progression confirmed by a subsequent PSA value obtained ≥3 weeks later. Will be reported as median time-to-event and 90% confidence interval according to the Kaplan Meier product-limit method.

    Time frame: From start of study treatment until documented PSA progression, assessed up to 58 months

  5. Duration of PSA 50/90 response

    Duration of PSA 50/90 response, defined as the time from the first documented PSA 50/90 response to PSA progression by PCWG3 or death

    Time frame: assessed up to 58 months

  6. Number of Treatment-Emergent Adverse Events (TEAE) following treatment initiation

    TEAEs, SAEs, AEs resulting in treatment withdrawal from start of study treatment to the end of safety follow-up will be summarized (number and percentage of participants) from date of treatment initiation until AEs resolve to ≤ Grade 1 or baseline, are deemed clinically insignificant, and/or until a new anti-prostate cancer therapy starts, whichever occurs first.

    Time frame: Up to 3 years

07

Study locations

No study locations are listed for this record.

08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Oct 2026; primary completion for Oct 2030, 48 months later.

Of 610 non-industry phase 2 interventional studies under Prostatic Neoplasms, half reached primary completion within 57 months of starting (the median), counting those still running; a quarter within 39 and three quarters within 86. This study's planned 48 months is below that.

Counting every sponsor, half of 724 studies reached it within 53 months; a quarter within 34 and three quarters within 80.

How these figures are worked out, and which studies are left out of them.

Registered
Jul 27, 2026
First posted
Jul 30, 2026
StartEst.
Oct 2026
Primary completionEst.
Oct 2030
CompletionEst.
Oct 2031
Last update
Aug 14, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Aug 14, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT07737925
Collaborators
Prostate Cancer Clinical Trials Consortium, Amgen
Responsible party
Sponsor
First posted
Jul 30, 2026
Start date
Oct 2026 (estimated)
Primary completion
Oct 2030 (estimated)
Completion
Oct 2031 (estimated)
Last update
Aug 14, 2026

Study contacts

Site Public Contact
Contact
ONCTrialNow@jefferson.edu
215-600-9151
Kevin K Zarrabi, MD, MS
principal investigator · Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University

Oversight

FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

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Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

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Studies of the drug tested here: Xaluritamig

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