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Doubling Times and PSA acceleration - Part II
This is a more realistic schematic plot of PSA levels increasing over time at an ever faster rate (acceleration). What could cause this? My theory is that as the tumor grows, the number of androgen receptors (ARs) increases proportionally. That makes sense...more PCa cells inside a tumor...more ARs
This is a more realistic schematic plot of PSA levels increasing over time at an ever faster rate (acceleration). What could cause this? My theory is that as the tumor grows, the number of androgen receptors (ARs) increases proportionally. That makes sense...more PCa cells inside a tumor...more ARs
janebob99
in
Prostate Cancer Network
3 months ago
PSA levels will increase over time, depending on the level of testosterone - Part I
Here's a schematic plot of the increase in PSA level (or increase in tumor volume) over time, for various levels of testosterone (while the tumor is relatively small). At very low levels of testosterone (for example, T = 10 ng/dL), the increase in PSA level is very small after a given time (for example
Here's a schematic plot of the increase in PSA level (or increase in tumor volume) over time, for various levels of testosterone (while the tumor is relatively small). At very low levels of testosterone (for example, T = 10 ng/dL), the increase in PSA level is very small after a given time (for example
janebob99
in
Prostate Cancer Network
3 months ago
Baseline PSMA-Pet scan?
My MO has given me instructions to end treatment 7/31. I've been on Lupron & Zytiga/5mg prednisone since 8/1/2022. I started out with Gleason (3+4) 7. Last May I had pelvic radiation to hit lymph nodes as per a 2021 PSMA-Pet scan. Now it's time to stop all treatment at the 2 year mark. My MO just kind
My MO has given me instructions to end treatment 7/31. I've been on Lupron & Zytiga/5mg prednisone since 8/1/2022. I started out with Gleason (3+4) 7. Last May I had pelvic radiation to hit lymph nodes as per a 2021 PSMA-Pet scan. Now it's time to stop all treatment at the 2 year mark. My MO just kind
duxlubber
in
Advanced Prostate Cancer
3 months ago
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Are you in London? Next Information Day 13/3
Hello all, If you have had a diagnosis or are supporting someone with lung cancer you might be interested in joining our next Information Day. This will be held from 9.45 - 15.30 in London at the AFC Wimbledon club SW17 0NR. The day will have updates on targeted therapies, surgery and other treatments
Hello all, If you have had a diagnosis or are supporting someone with lung cancer you might be interested in joining our next Information Day. This will be held from 9.45 - 15.30 in London at the AFC Wimbledon club SW17 0NR. The day will have updates on targeted therapies, surgery and other treatments
LorraineD
Roy Castle
in
The Roy Castle Lung Cancer Foundation
3 months ago
Help! Anyone here try zytiga holidays. Like one week off a month. Or weekends off?
Help! Anyone here try zytiga holidays for 2-7 days every so often? Also, any recommended medications recommended to stop these hot flashes. I only take the 250mg because I get the same affect. With 1000 mg I have heart problems.Thanks4673
Help! Anyone here try zytiga holidays for 2-7 days every so often? Also, any recommended medications recommended to stop these hot flashes. I only take the 250mg because I get the same affect. With 1000 mg I have heart problems.Thanks4673
Gdheals
in
Advanced Prostate Cancer
3 months ago
Bowel preparation before surgery
Hi everyone! 💛 Just been on pre op assessment and nurse said I don’t need to do bowel preparation at home. I will have hysterectomy with bowel resection and Endo excision. Has anyone had bowel preparation at hospital just before the operation? I am quite concerned what is going on 🤷‍♀️
Hi everyone! 💛 Just been on pre op assessment and nurse said I don’t need to do bowel preparation at home. I will have hysterectomy with bowel resection and Endo excision. Has anyone had bowel preparation at hospital just before the operation? I am quite concerned what is going on 🤷‍♀️
Endolemon
in
Endometriosis UK
3 months ago
AI and prostate cancer, early days, but interesting
https://www.medindia.net/news/ai-reveals-subtypes-in-prostate-cancer-enhancing-treatment-215102-1.htm Apparently AI has helped analyze PCa from micro and macro evolutionary perspective and identified two sub types. "Our research demonstrates that prostate tumors evolve along multiple pathways, leading
https://www.medindia.net/news/ai-reveals-subtypes-in-prostate-cancer-enhancing-treatment-215102-1.htm Apparently AI has helped analyze PCa from micro and macro evolutionary perspective and identified two sub types. "Our research demonstrates that prostate tumors evolve along multiple pathways, leading
FRTHBST
in
Prostate Cancer Network
3 months ago
Non metastasis castrate resistant
When you are on ADT and become Non metastatic Castrate resistant and your testosterone levels are below zero, what is the cancer feeding off to cause the PSA to still rise? Hoping for your replies so as to give me some understanding. Thank you.
When you are on ADT and become Non metastatic Castrate resistant and your testosterone levels are below zero, what is the cancer feeding off to cause the PSA to still rise? Hoping for your replies so as to give me some understanding. Thank you.
Sailameme
in
Advanced Prostate Cancer
3 months ago
MY pBAT Stats From June to March 8 months
Hi All, Just thought I would give an update on my pBAT (Testosterone propianate BAT) for the last 8 months. I do T propianate injections every other day while on High T for 2 weeks then slam the door with Darolutamide for 2 weeks and then one week to clear the Daro. Rinse and repeat. I also take intermittent
Hi All, Just thought I would give an update on my pBAT (Testosterone propianate BAT) for the last 8 months. I do T propianate injections every other day while on High T for 2 weeks then slam the door with Darolutamide for 2 weeks and then one week to clear the Daro. Rinse and repeat. I also take intermittent
KocoPr
in
Fight Prostate Cancer
3 months ago
What AI should i be using for my cancer research
I constantly am searching articles on prostate cancer and it is so easy to go off on infinite tangents and never come up with a clear plan. I see AI is very helpful and I see it as taking a big part in the future of fighting this beast. Any suggestions on which AI to utilize for this adventure?
I constantly am searching articles on prostate cancer and it is so easy to go off on infinite tangents and never come up with a clear plan. I see AI is very helpful and I see it as taking a big part in the future of fighting this beast. Any suggestions on which AI to utilize for this adventure?
KocoPr
in
Advanced Prostate Cancer
3 months ago
Questions after scan results
I have just been told my cancer has returned this time to my liver mainly. I wasn’t aware my ca 125 levels had increased from 36 end September to 350 recently. I had always been told my bloods were good and didn’t question further. When I shared symptoms earlier this month of cramping etc my oncologist
I have just been told my cancer has returned this time to my liver mainly. I wasn’t aware my ca 125 levels had increased from 36 end September to 350 recently. I had always been told my bloods were good and didn’t question further. When I shared symptoms earlier this month of cramping etc my oncologist
Tallulah55
in
My Ovacome
3 months ago
Examining Prostate Cancer Survival Outcomes by Patient Age and Treatment Type in Patients with mHSPC
“the research suggests a differential impact between androgen receptor antagonists (like enzalutamide, apalutamide, and darolutamide) and androgen synthesis inhibitors (such as abiraterone), with antagonists showing a more pronounced benefit” https://www.urotoday.com/video-lectures/asco-gu-2024/video
“the research suggests a differential impact between androgen receptor antagonists (like enzalutamide, apalutamide, and darolutamide) and androgen synthesis inhibitors (such as abiraterone), with antagonists showing a more pronounced benefit” https://www.urotoday.com/video-lectures/asco-gu-2024/video
Maxone73
in
Advanced Prostate Cancer
3 months ago
Just some new Information about AI
Came across this article a couple days ago. https://www.news-medical.net/news/20210924/Researchers-identify-two-subtypes-of-metastatic-prostate-cancer.aspx#:~:text=Building%20off%20of%20earlier%20studies%20that%20discovered%20clinically,into%20two%20types%20known%20as%20luminal%20and%20basal AI has
Came across this article a couple days ago. https://www.news-medical.net/news/20210924/Researchers-identify-two-subtypes-of-metastatic-prostate-cancer.aspx#:~:text=Building%20off%20of%20earlier%20studies%20that%20discovered%20clinically,into%20two%20types%20known%20as%20luminal%20and%20basal AI has
chefjlu
in
Advanced Prostate Cancer
3 months ago
Revised Plot of PSA vs Testosterone: Estrogen vs Lupron ADT
Ugh...I made a BIG mistake on the previous posting! I just realized that Dr. Morgentaler had listed the Testosterone level in unusual units (
ng/mL
), not the usual units of (
ng/dL)
. So, my X-axis was off by a factor of 10. Here is the revised plot. The exciting discovery is that the
Ugh...I made a BIG mistake on the previous posting! I just realized that Dr. Morgentaler had listed the Testosterone level in unusual units (
ng/mL
), not the usual units of (
ng/dL)
. So, my X-axis was off by a factor of 10. Here is the revised plot. The exciting discovery is that the
janebob99
in
Advanced Prostate Cancer
3 months ago
Morgentaler Saturation Model: PSA vs Testosterone - Estrogen Patch vs Lupron ADT
This is a plot of % reduction in PSA from a Maximum Value versus Testosterone, for two different datasets: Estrogen Patch and Lupron ADT. Both curves (red and green lines) show a linear response starting from (0,0), up to about 200-250 ng/dL. Then, the lines curve over to a lower slope (especially
This is a plot of % reduction in PSA from a Maximum Value versus Testosterone, for two different datasets: Estrogen Patch and Lupron ADT. Both curves (red and green lines) show a linear response starting from (0,0), up to about 200-250 ng/dL. Then, the lines curve over to a lower slope (especially
janebob99
in
Advanced Prostate Cancer
3 months ago
PSA vs Testosterone at high T levels - Linear Model
This is a plot of PSA versus Testosterone in men with prostate cancer. The blue points are taken from a YouTube video lecture by A. Morgentaler (2020). https://www.youtube.com/watch?v=wafNZV-Hkqk The green point is from Safraidi (2022): https://oamjms.eu/index.php/mjms/article/view/9388 Note the
This is a plot of PSA versus Testosterone in men with prostate cancer. The blue points are taken from a YouTube video lecture by A. Morgentaler (2020). https://www.youtube.com/watch?v=wafNZV-Hkqk The green point is from Safraidi (2022): https://oamjms.eu/index.php/mjms/article/view/9388 Note the
janebob99
in
Advanced Prostate Cancer
3 months ago
Reminder to Subscribe to our Prostate Cancer Community Newsletter
Please don't forget to subscribe to our community newsletter. It's free and helpful. Click here: https://malecare.org/prostate-cancer-newsletter/
Please don't forget to subscribe to our community newsletter. It's free and helpful. Click here: https://malecare.org/prostate-cancer-newsletter/
Darryl
Partner
in
Advanced Prostate Cancer
3 months ago
PSMA Scan to be scheduled - thank you Tall Allen
I want to thank Tall Allen for his suggestion that I see an oncologist. I had a RP followed by radiation in 2013. My PSA was undetectable until 2021, when it started to rise. This week I saw a radiation oncologist (whom I found through a friend) to ask him a lot of questions and to get his advice.
I want to thank Tall Allen for his suggestion that I see an oncologist. I had a RP followed by radiation in 2013. My PSA was undetectable until 2021, when it started to rise. This week I saw a radiation oncologist (whom I found through a friend) to ask him a lot of questions and to get his advice.
Geno2853
in
Advanced Prostate Cancer
3 months ago
PSA-Nadir vs Testosterone-Nadir comparing Non-CRPC to CRPX men
These plots show the linear relationship between median PSA-Nadir and median Testosterone-Nadir, pointing towards the Origin (i.e., 0 PSA-Nadir at 0 T-Nadir.). N= 38 men. The upper to graphs compare median PSA-nadir and median T-Nadir for Non-CRPC and CPRC groups (CPRC = Castrate Resistant Prostate
These plots show the linear relationship between median PSA-Nadir and median Testosterone-Nadir, pointing towards the Origin (i.e., 0 PSA-Nadir at 0 T-Nadir.). N= 38 men. The upper to graphs compare median PSA-nadir and median T-Nadir for Non-CRPC and CPRC groups (CPRC = Castrate Resistant Prostate
janebob99
in
Advanced Prostate Cancer
3 months ago
Elevated CA125 from 11 to 156.
My CA 125 is normally around 11 and that’s elevated to 156 within six months. My oncologist has done PET scan, CAT scan, MRIs, and has found no tumors. I just wanted to know if is there anyone that has elevated CA, 125 that are in remission.
My CA 125 is normally around 11 and that’s elevated to 156 within six months. My oncologist has done PET scan, CAT scan, MRIs, and has found no tumors. I just wanted to know if is there anyone that has elevated CA, 125 that are in remission.
marmay88o
in
My Ovacome
3 months ago
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