PSA Relapse after Surgery or Radiation | Prostate Cancer Staging Guide

Prostate Cancer Research Institute
14 Jun 201907:52

Summary

TLDRDr. Scholz discusses the management of relapsed prostate cancer, focusing on the PCRI's 'Indigo' stages: Low, Basic, and High. For Basic-Indigo, treatment often involves a combination of IMRT radiation and hormone therapy (Lupron), with the goal of curing or suppressing the disease. New advancements like PSMA-PET scans are improving treatment accuracy, helping to pinpoint cancer in the pelvic lymph nodes. Although chemotherapy (Taxotere) is not standard for Basic-Indigo, small studies suggest it might enhance outcomes. The video emphasizes the importance of tailoring treatments based on precise cancer staging.

Takeaways

  • 😀 Indigo is a term used by the PCRI to describe relapsed prostate cancer after initial treatment, often marked by rising PSA levels.
  • 😀 About 25% of prostate cancer patients who have received treatment will experience a rising PSA, indicating a relapse.
  • 😀 The PCRI categorizes Indigo into three sub-groups: Low-Indigo, Basic-Indigo, and High-Indigo, with different treatment strategies for each.
  • 😀 Low-Indigo is primarily treated by targeting the prostate or prostate fossa area, a topic covered in previous videos.
  • 😀 Basic-Indigo involves potential relapse in pelvic lymph nodes, requiring both prostate and lymph node treatments.
  • 😀 The treatment for Basic-Indigo often includes Intensity Modulated Radiation Therapy (IMRT) for lymph node treatment and Lupron hormone therapy for 6-12 months.
  • 😀 IMRT allows precise radiation targeting of lymph nodes, minimizing damage to surrounding organs like the bladder and intestines.
  • 😀 Lupron therapy suppresses the disease in Basic-Indigo for up to 10 years but does not provide a cure.
  • 😀 PSMA-PET scans are a breakthrough in prostate cancer imaging, offering higher accuracy in detecting cancer, even at low PSA levels.
  • 😀 While PSMA-PET scans are not yet FDA-approved, they are available through certain programs and may help target treatments more precisely.
  • 😀 A short course of Taxotere (chemotherapy) is being explored in Basic-Indigo patients but is not yet a mainstream treatment option.
  • 😀 The combination of IMRT and Lupron offers a multi-modality approach that could cure some men with Basic-Indigo, though not all cases are curable.
  • 😀 Treatment decisions should be based on an individual’s specific stage of cancer (Low, Basic, or High), PSA levels, scan results, and overall health.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is about relapsed prostate cancer, specifically focusing on the 'Indigo' category, which is defined by a rising PSA after previous treatments.

  • What does the PCRI refer to when discussing Indigo?

    -The PCRI refers to 'Indigo' as a category for men with prostate cancer who have had prior treatment and are now experiencing a rising PSA. It is classified into three sub-groups: Low, Basic, and High.

  • How does the Basic-Indigo category differ from Low-Indigo?

    -Basic-Indigo may involve disease in the pelvic lymph nodes in addition to the prostate area, unlike Low-Indigo, which typically only involves the prostate or prostate fossa. Treatment for Basic-Indigo often requires radiation to the pelvic lymph nodes, whereas Low-Indigo treatment focuses on the prostate area.

  • What factors influence the treatment approach for Basic-Indigo?

    -Treatment for Basic-Indigo depends on several factors, including PSA levels, the rate of PSA rise, imaging results, and whether there is evidence of locally advanced disease in the prostate or pelvic lymph nodes.

  • How does Intensity-Modulated Radiation Therapy (IMRT) help in treating Basic-Indigo?

    -IMRT allows radiation to be precisely targeted at the pelvic lymph nodes while avoiding surrounding organs like the bladder and intestines, making it a safer and more effective option for treating Basic-Indigo compared to older radiation techniques.

  • What is the role of Lupron in treating Basic-Indigo?

    -Lupron is used as hormone therapy to suppress prostate cancer by lowering testosterone levels. For Basic-Indigo, a 6-12 month course of Lupron is often combined with IMRT to enhance the effectiveness of radiation treatment.

  • Is it possible to cure Basic-Indigo with the outlined treatment approach?

    -While the multi-modality approach involving IMRT and Lupron may cure some men with Basic-Indigo, it does not guarantee a cure for everyone. It can, however, significantly improve survival rates and offer a chance for remission.

  • What is the alternative to radiation therapy for men with Basic-Indigo?

    -An alternative treatment is intermittent Lupron therapy, which suppresses the disease for many years but does not cure it. This option may be suitable for men who cannot or do not want to undergo radiation therapy.

  • What is the PSMA-PET scan, and how does it help in the treatment of Basic-Indigo?

    -The PSMA-PET scan is a highly accurate imaging tool that can detect prostate cancer even in cases with a PSA lower than 1. It helps pinpoint the exact location of cancer in the pelvic lymph nodes, allowing for more targeted radiation therapy.

  • Can chemotherapy be used in treating Basic-Indigo?

    -Chemotherapy, specifically a short course of Taxotere, is being studied as a potential treatment for men with Basic-Indigo. While not yet a mainstream approach, small studies suggest it may improve cure rates in some cases.

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Related Tags
Prostate CancerIndigo CancerBasic-IndigoPSMA-PET ScanLupron TherapyRadiation TherapyIMRT RadiationCancer TreatmentOncology CareAdvanced DiagnosticsHormone Therapy