Phase 3 trial 177-Lu-PSMA-617 - Advanced Prostate...

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Phase 3 trial 177-Lu-PSMA-617

Bubasurf6 profile image
12 Replies

Is anyone in the in the Phase 3 trial going on at UCSF & Stanford that started in 2018 that will conclude August 2022. Any updates as to how it’s going

Clinical trial at UCSF, 177Lu-PSMA-617.

It’s for anyone with castration-Resistant PC

and Mets to distant site a participant??

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Bubasurf6
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tango65 profile image
tango65

Link to the trial info:

clinicaltrials.gov/ct2/show...

Inclusion Criteria:

The subject is able and willing to comply with study procedures and provide signed and dated informed consent

Histologically confirmed prostate adenocarcinoma. De novo small cell neuroendocrine prostate cancer will not be allowed due to putative lower PSMA expression in this tumor subtype. Treatment-emergent small cell neuroendocrine prostate cancer detected in metastatic tumor biopsy is not an exclusion

A minimum of three PSMA-avid lesions on baseline 68Ga-PSMA-11 PET, with positive lesions defined as those with maximum standardized uptake value (SUVmax) values greater than liver.

Progressive metastatic castration-resistant prostate cancer by Prostate Cancer Working Group (PCWG)3 criteria at the time of study entry

Castrate level of serum testosterone at study entry (< 50 ng/dL). Patients without prior bilateral orchiectomy are required to remain on luteinizing hormone-releasing hormone (LHRH) analogue treatment for duration of study

Prior progression on at least one second generation androgen signaling inhibitor including abiraterone, apalutamide, darolutamide, and/or enzalutamide

Absolute neutrophil count > 1.5 x 10^9/L

Hemoglobin > 9.0 g/dL

Platelet count > 100,000/microliter

Serum creatinine =< 1.5 x upper limit of normal (ULN) or estimated glomerular filtration rate (GFR) > 50 ml/min by Cockcroft-Gault or 24 hour urine collection

Total bilirubin =< 1.5 x ULN. In patients with known or suspected Gilbert's disease, direct bilirubin =< ULN

Aspartate aminotransferase and alanine aminotransferase =< 2.5 x ULN (<= 5 x ULN in patients with liver metastases)

No other systemic anti-cancer therapies administered other than LHRH analogue within 14 days, or 5 half-lives, whichever is shorter, prior to initiation of study treatment. Adverse events related to prior anti-cancer treatment other than LHRH analog treatment must have recovered to Grade <= 1 with the exception of any grade alopecia and grade <= 2 neuropathy.

Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

Patients must use appropriate methods of contraception during study treatment and for at least 60 days after last study treatment

Patients who are sexually active should consider their female partner to be of childbearing potential if she has experienced menarche and is not postmenopausal (defined as amenorrhea > 24 consecutive months) or has not undergone successful surgical sterilization. Even women who use contraceptive hormones (oral, implanted, or injected), an intrauterine device, or barrier methods (diaphragms, condoms, spermicide) should be considered to be of childbearing potential

Patients who have undergone vasectomy themselves should also be considered to be of childbearing potential

Acceptable methods of contraception include continuous total abstinence, or double-barrier method of birth control (e.g. condoms used with spermicide, or condoms used with oral contraceptives). Periodic abstinence and withdrawal are not acceptable methods of contraception

Patients must provide consent to comply to recommended radioprotection precautions during study

Patients willing to undergo tumor biopsy and have at least one lesion safely accessible to tumor biopsy. Bone or soft tissue lesion is allowed

Measurable disease by RECIST 1.1 criteria

San Francisco, California, United States, 94115

Contact: Patricia Li 415-476-5975 GUTrials@ucsf.edu

Contact 877-827-3222 cancertrials@ucsf.edu

Principal Investigator: Rahul R. Aggarwal, MD

in reply totango65

So looking at those requirements. It appears any lesion must have an SUV max greater than the liver. Does that mean uptake is not considered metastatic unless it exceeds the uptake of the liver?

tango65 profile image
tango65 in reply to

Yes, to reduce false positive they may use the SUV of the liver or the bone marrow as a reference.

Tall_Allen profile image
Tall_Allen

UCSF has two open Phase I trials. The only Phase 3 trial (VISION) is no longer recruiting. They've published results and we are awaiting FDA approval.

nejm.org/doi/full/10.1056/n...

xpbdb profile image
xpbdb

I have a Zoom appointment with Dr. Aggarwal coming up. In looking at the criteria it appears I qualify. Last PSMA PET scan showed one lesion in right seminal vesicle and a half dozen retroperitoneal lymph nodes. If I am accepted I will post my progress.

lokibear0803 profile image
lokibear0803 in reply toxpbdb

Hi xpbdb, may I ask - do you feel comfortable with this criteria: “Patients willing to undergo tumor biopsy and have at least one lesion safely accessible to tumor biopsy. ” ...? Do you think this will require surgery, or can a needle biopsy be done in some cases? Obviously a newbie question, sorry.

Have your lesions shown radiographic progression while on ADT? My understanding from the PCWG3 criteria is that rising PSA alone is not sufficient, as per this transcript:

urotoday.com/video-lectures...

I could be misunderstanding this. I ask b/c I’m also very interested in this trial at the point I become CR.

Regardless, good luck - I hope you are accepted.

xpbdb profile image
xpbdb in reply tolokibear0803

I am going to see my urologist today. I am going to ask him if the lesion in my seminal vesicle can be surgically removed. I already have had high dose brachytherapy to that area and cannot have more radiation. I had a pelvic lymph node ultrasound guided biopsy a few years ago (positive) and did not feel a thing. On the other hand, I had 2 prostate biopsies 11 years ago when I was diagnosed and those are no picnic, To answer your question, in my opinion a core biopsy is the way to go. Yes my disease progressed after 18 months of ADT. First Lupron and then Orgovyx with Xtandi. I changed from Xtandi to Zytiga and prednisone 3 weeks ago. Too soon to tell if it has slowed the disease progression. 3 years ago, my PSMA PET scan showed 3 lesions. The scan I had 2 months ago showed 7 or 8, so yes radiographically there is progression. The Lu-177 PSMA treatment utilizes beta radiation, which only travels millimeters in human tissue, so previous radiotherapy is not an issue, but you probably know that already.

Bubasurf6 profile image
Bubasurf6 in reply toxpbdb

I also have Zoom appointment with Dr. AggarwalOct 25 Th after next PSMA PET ON Oct 18Th I’ve had RP ,Radiation and ADT and a trial with Dr Aggarwal. Also was in PSMA trial two years ago at UCSF which was clear Current PSA doubling rate every 2 months. I was just trying figure out if

Lu-177 had progressed since I talked about it in 2016 with radiation oncologist at that time at that time. His exact words to me was at that time it was not ready for prime time yeah they still haven’t figured out dosages and timelines. Was hoping to see results it was showing promise. I’ll be looking forward to your results being posted if you are included in trial. Good luck and thanks for responding

j-o-h-n profile image
j-o-h-n

Greetings Bub,

Please tell us your bio. Age? Location? When diagnosed? Treatment(s)? Treatment center(s)? Scores Psa/Gleason? Medications? Doctor's name(s)?

All info is voluntary, but it helps us help you and helps us too. When you respond, copy and paste it in your home page for your use and for other members’ reference.

THANK YOU AND KEEP POSTING!!!

Good Luck, Good Health and Good Humor.

j-o-h-n Monday 09/06/2021 10:18 PM DST

Bubasurf6 profile image
Bubasurf6 in reply toj-o-h-n

Will update bio info Thanks for reminding me I’ve been meaning to do that

j-o-h-n profile image
j-o-h-n

Thank you sir........ now we can delete your $750.00 fine. You're now at a zero balance (but watch your step!!!).

Good Luck, Good Health and Good Humor.

j-o-h-n Wednesday 09/15/2021 7:12 PM DST

PGDuan profile image
PGDuan

No, but I’m keen to see and hear any results. I’ve been working with Stanford (and UCSF a for second opinions). and am BCR but am still hormone sensitive.

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