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Response to low- dose ketoconazole in patients with Androgen –independent prostate cancer

استجابة المرضى المصابين بسرطان البروستات الحساس للعلاج الهرموني لجرعة منخفضة من الكيتوكونازول

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 Publication date 2017
  fields Medicine
and research's language is العربية
 Created by Shamra Editor




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Background: low –dose ketoconazole (LDK) in combination with steroids has been recognized as an effective secondary hormonal therapy in androgen-independent prostate cancer (AIPC), we hypothesized that low-dose ketoconazole would likewise possess efficacy and tolerabilitiy in the (AIPC). Methods: in a single institution (Tishreen University Hospital, Lattakia), patients with AIPC treated with LDK (at a dose of 200 mg orally 3 times daily ) as secondary hormonal therapy with concomitant steroids were retrospectively identified, After experiencing a rising prostate –specific antigen (PSA) level. Results: 21 of 50 eligible patients)42%) treated with LDK experienced PSA declines ≥ 50% after the start of treatment, while there were 12 patients with low PSA between 25- 50% with a median duration of response (5.4 months) 7 patients less than 25 % decrease, while 10 patients did not never respond. The most common complications is the fatigue and general debility in 18 patients , digestive disorders in 21 patients (Summit, nausea and diarrhea) , muscle disorders in 3 patients, and Metabolic disorders in five patients The incidence of drug toxicity grade 3-4 is very few. There were only three patients not able to continue the treatment due to severe side effects. Conclusion: low dose ketokonazole and Predenisolone is a well – tolerated, relatively inexpensive and clinically active treatment option. PSA response to low – dose ketoconazole historically comparable to that of Abiraterone in patients with AIPC.


Artificial intelligence review:
Research summary
تتناول هذه الدراسة فعالية العلاج بالكيتوكونازول بجرعة منخفضة (200 ملغ ثلاث مرات يومياً) مع البريدنيزولون (5 ملغ مرتين يومياً) كعلاج هرموني ثانوي لمرضى سرطان البروستات الحساسين للمعالجة الهرمونية. شملت الدراسة 50 مريضًا في مشفى تشرين الجامعي بين عامي 2010 و2016. تم تقييم استجابة المرضى من خلال قياس مستوى PSA (الواسم الورمي النوعي لسرطان البروستات) شهرياً. أظهرت النتائج أن 46% من المرضى شهدوا انخفاضًا في مستوى PSA بنسبة تزيد عن 50%، بينما لم يستجب 20% من المرضى للعلاج. كانت الآثار الجانبية للعلاج قليلة، حيث لم يتمكن ثلاثة مرضى فقط من متابعة العلاج بسبب السمية. خلصت الدراسة إلى أن الكيتوكونازول بجرعة منخفضة مع البريدنيزولون يمثل خيارًا علاجيًا فعالًا ومقبولًا من حيث التكلفة مقارنةً بمثبطات الأندروجين الحديثة ذات التكلفة العالية.
Critical review
دراسة نقدية: تعتبر هذه الدراسة مهمة لأنها تقدم خيارًا علاجيًا فعالًا واقتصاديًا لمرضى سرطان البروستات الحساسين للمعالجة الهرمونية. ومع ذلك، هناك بعض النقاط التي يمكن تحسينها. أولاً، كانت الدراسة رجعية ولم تشمل مجموعة مقارنة، مما يقلل من قوة الاستنتاجات. ثانيًا، لم يتم تقييم جودة الحياة للمرضى بشكل كافٍ، وهو جانب مهم يجب مراعاته عند تقييم فعالية العلاج. أخيرًا، يوصى بإجراء دراسات مستقبلية تشمل مجموعات مقارنة وتقييمات شاملة لجودة الحياة لتأكيد النتائج.
Questions related to the research
  1. ما هي الجرعة المستخدمة من الكيتوكونازول في هذه الدراسة؟

    تم استخدام جرعة 200 ملغ من الكيتوكونازول ثلاث مرات يومياً.

  2. ما هي نسبة المرضى الذين شهدوا انخفاضًا في مستوى PSA بنسبة تزيد عن 50%؟

    شهد 46% من المرضى انخفاضًا في مستوى PSA بنسبة تزيد عن 50%.

  3. ما هي الآثار الجانبية الأكثر شيوعًا للعلاج بالكيتوكونازول؟

    كانت الآثار الجانبية الأكثر شيوعًا هي التعب والوهن العام والاضطرابات الهضمية.

  4. هل كانت هناك أي مجموعة مقارنة في هذه الدراسة؟

    لا، لم تشمل الدراسة مجموعة مقارنة.


References used
Rebecca L. Siegel; Kimberly D. Miller; Ahmedin Jemal,Cancer Statistics,CA CANCER J CLIN 2017; Vol. 67:7–30
Oh WK, Kantoff PW. Management of hormone refractory prostate cancer: current standards and future prospects. J Urol. 1998,Vol .160:1220–1229
Oh WK. Secondary hormonal therapies in the treatment of prostate cancer. Urology. 2002,Vol. 60:87–92; discussion 93
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