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Should the dose of Dutasteride be increased?
The plot above shows the residual (nadir) level of DHT in men as a function of the daily Dutasteride dose (mg/day). The DHT nadir numbers shown in this plot are: 23.8 pg/mL for 0.5 mg daily dose; 10.2 pg/mL for 2.5 mg daily dose; and 7.3 pg/mL for 5 mg daily dose. Ref: Clark (2004) [see Table
The plot above shows the residual (nadir) level of DHT in men as a function of the daily Dutasteride dose (mg/day). The DHT nadir numbers shown in this plot are: 23.8 pg/mL for 0.5 mg daily dose; 10.2 pg/mL for 2.5 mg daily dose; and 7.3 pg/mL for 5 mg daily dose. Ref: Clark (2004) [see Table
janebob99
in
Prostate Cancer Network
4 months ago
Low testosterone is associated with extremely poor survival metrics, post-ADT.
These companion plots compare: (A) median survival times, (B) PSA doubling times, and (C) Time to PSA Failure for two different levels of testosterone: Low and Normal. The low testosterone has a median value of 162 ng/dL [120-236] and the average normal T = 680 ng/dL. The cohort is 58 men with unfavorable
These companion plots compare: (A) median survival times, (B) PSA doubling times, and (C) Time to PSA Failure for two different levels of testosterone: Low and Normal. The low testosterone has a median value of 162 ng/dL [120-236] and the average normal T = 680 ng/dL. The cohort is 58 men with unfavorable
janebob99
in
Prostate Cancer Network
5 months ago
Low Testosterone reduces Survival by a huge amount.
This plot compares prostate cancer specific mortality probability versus time for two different levels of testosterone: Low and Normal. The low testosterone has a median value of 162 ng/dL [120-236] and the average normal T = 680 ng/dL. The cohort is 58 men with unfavorable intermediate risk who underwent
This plot compares prostate cancer specific mortality probability versus time for two different levels of testosterone: Low and Normal. The low testosterone has a median value of 162 ng/dL [120-236] and the average normal T = 680 ng/dL. The cohort is 58 men with unfavorable intermediate risk who underwent
janebob99
in
Prostate Cancer Network
5 months ago
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My own PSA values over time: 70% drop in just 3 months on Dutasteride and no ADT
Here are my own PSA values versus time plot. You can see there is an exponential rise in PSA starting at around 6/1/23, and doubling from PSA = 5 to 10 in about 8 months. My MRI at PSA = 10 showed a T3a tumor about 1.3 cm long (PIRADS 5). A subsequent targeted biopsy showed Gleason 3+4 in 4 cores,
Here are my own PSA values versus time plot. You can see there is an exponential rise in PSA starting at around 6/1/23, and doubling from PSA = 5 to 10 in about 8 months. My MRI at PSA = 10 showed a T3a tumor about 1.3 cm long (PIRADS 5). A subsequent targeted biopsy showed Gleason 3+4 in 4 cores,
janebob99
in
Prostate Cancer Network
5 months ago
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
5 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
5 months ago
Stage 4 A Prostate cancer
My partner was diagnosed with stage 4 A prostate cancer with spread to pelvic lymph nodes. Oncologist has recommended surgery followed by radiation and hormone therapy for a good prognosis. He is 65 healthy and no symptoms. PSA was 11. Has a history of prostrate cancer. Was wondering if we should get
My partner was diagnosed with stage 4 A prostate cancer with spread to pelvic lymph nodes. Oncologist has recommended surgery followed by radiation and hormone therapy for a good prognosis. He is 65 healthy and no symptoms. PSA was 11. Has a history of prostrate cancer. Was wondering if we should get
SherryKahn
in
Advanced Prostate Cancer
2 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
5 months ago
Another brother passes
My friend, George, passed this morning after a two year battle. He was DX'd at 85 with prostate cancer (PSA of 1200) behind his eye which spread to his brain. Failed ADT, chemo and Pluvicto. He was not on this forum. He was very active, skied 120 days a year, biked the rest. He and his wife went to
My friend, George, passed this morning after a two year battle. He was DX'd at 85 with prostate cancer (PSA of 1200) behind his eye which spread to his brain. Failed ADT, chemo and Pluvicto. He was not on this forum. He was very active, skied 120 days a year, biked the rest. He and his wife went to
gsun
in
Advanced Prostate Cancer
5 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
5 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
5 months ago
PSA-Nadir vs Testosterone-Nadir
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
Prostate Cancer Network
5 months ago
ADT response and questions for MO
Hi, I am newish to this forum, still on a steep learning curve but I want to thank you for your contributions and discussions. This is my first time posting. My partner is 60 yrs old, as I understand it he had low PSA 3 yrs ago, not tested until Nov 2023, PSA50, stage 4, 1 met in 'sit' bone. Started
Hi, I am newish to this forum, still on a steep learning curve but I want to thank you for your contributions and discussions. This is my first time posting. My partner is 60 yrs old, as I understand it he had low PSA 3 yrs ago, not tested until Nov 2023, PSA50, stage 4, 1 met in 'sit' bone. Started
Lovecherries
in
Advanced Prostate Cancer
5 months ago
One questions doctors never seem to be able to answer is at what PSA level do you start to experience pain or physical problems?
One questions doctors never seem to be able to answer is at what PSA level do you start to experience pain or physical problems? If you have had surgery, Salvage Radiation, ADT, SRBT and then stopped ADT with a continuing rise in you PSA when did you start to have pain or physical problems?
One questions doctors never seem to be able to answer is at what PSA level do you start to experience pain or physical problems? If you have had surgery, Salvage Radiation, ADT, SRBT and then stopped ADT with a continuing rise in you PSA when did you start to have pain or physical problems?
Exrunner
in
Advanced Prostate Cancer
5 months ago
New study validates intermittent hormone therapy
PCRI just posted a new video titled 'New study validates intermittent hormone therapy'. So, just search 'PCRI' in YouTube and that video will pop up. Certain individuals on this site feel strongly against curtailing the duration of hormone therapy from the standard 2 to 3 years or even longer. I urge
PCRI just posted a new video titled 'New study validates intermittent hormone therapy'. So, just search 'PCRI' in YouTube and that video will pop up. Certain individuals on this site feel strongly against curtailing the duration of hormone therapy from the standard 2 to 3 years or even longer. I urge
John347
in
Advanced Prostate Cancer
5 months ago
ARASENS Darolutamide vs Placebo
This Kaplan-Meier plot show the Castration - Resistant Prostate Cancer Free survival probability (%) for two groups: (A)
Darolutamide
+ ADT + Docetaxel, versus (B)
Placebo
+ ADT + Docetaxel, taken at two different times: 2 years and 4 years. There is a very large increase in survival
This Kaplan-Meier plot show the Castration - Resistant Prostate Cancer Free survival probability (%) for two groups: (A)
Darolutamide
+ ADT + Docetaxel, versus (B)
Placebo
+ ADT + Docetaxel, taken at two different times: 2 years and 4 years. There is a very large increase in survival
janebob99
in
Advanced Prostate Cancer
5 months ago
ARASENS TRIAL: Darolutamide
This Kaplan-Mieir plot show the Castration - Resistant Prostate Cancer Free survival probability (%) vs time for two groups: (A) Darolutamide + ADT + Docetaxel, versus (B) Placebo + ADT + Docetaxel. There is a very large increase in survival probability with the Darolutamide group (A) vs Placebo group
This Kaplan-Mieir plot show the Castration - Resistant Prostate Cancer Free survival probability (%) vs time for two groups: (A) Darolutamide + ADT + Docetaxel, versus (B) Placebo + ADT + Docetaxel. There is a very large increase in survival probability with the Darolutamide group (A) vs Placebo group
janebob99
in
Advanced Prostate Cancer
5 months ago
ADT with radiation?
I have a G 4+3, considered to be unfavorable intermediate risk, but a Decipher score of .4, considered to be low risk. I have opted to have radiation to treat my PCa. Do I need to take ADT with the radiation therapy? My MO suggested 4 to 6 months of Orgavix (not sure if I'm spelling it correctly). If
I have a G 4+3, considered to be unfavorable intermediate risk, but a Decipher score of .4, considered to be low risk. I have opted to have radiation to treat my PCa. Do I need to take ADT with the radiation therapy? My MO suggested 4 to 6 months of Orgavix (not sure if I'm spelling it correctly). If
CBRD
in
Advanced Prostate Cancer
5 months ago
life Insurance
I wanted to get opinions regarding my life insurance 800K which will be expiring in a couple of months. I have the option to roll it over to a universal policy but it’s going to cost me 2K a month. I’m still Homone sensitive. And been on ADT and Nubeqa (daroludimide) for the last couple of years. Had
I wanted to get opinions regarding my life insurance 800K which will be expiring in a couple of months. I have the option to roll it over to a universal policy but it’s going to cost me 2K a month. I’m still Homone sensitive. And been on ADT and Nubeqa (daroludimide) for the last couple of years. Had
JDKotter
in
Advanced Prostate Cancer
5 months ago
ISO a third MO opinion for my dad
Hi all! My dad was diagnosed with pca in 2021, prostate removal that summer. After radical - was told no treatment necessary and lo and behold January the following year psa went from .04 to 1.2 in 3 months. Put on adt and zytiga (not sure of spelling), scans show pelvic bed spots and 1 on s1, radiation
Hi all! My dad was diagnosed with pca in 2021, prostate removal that summer. After radical - was told no treatment necessary and lo and behold January the following year psa went from .04 to 1.2 in 3 months. Put on adt and zytiga (not sure of spelling), scans show pelvic bed spots and 1 on s1, radiation
Dsmejkal88
in
Advanced Prostate Cancer
5 months ago
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