Journals / Toraks Dergisi / 2003 / Cilt: 4 - Sayı: 3

Clinical value of bone metabolic markers in bone metastasis from lung cancer

Kemik metabolik belirleyicilerinin kemik metastazlı akciğer kanseri olgularındaki klinik önemi

Pages
242–247
DOI
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⚡ TL;DR(Too Long; Didn't Read)

In this study, the measurement of serum NTx level appeared to be the most useful marker in monitoring of therapy for bone metastasis from lung cancer.

📌 3 Key Takeaways

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Objective & Hypothesis:The prevalance of bone metastasis from lung cancer was reported to range from 32% to 40%.
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Key Findings & Data:Serum concentration of NTx and BAL in patients without bone metastasis were significantly higher than in patients with bone metastasis.
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Conclusion & Impact:In this study, the measurement of serum NTx level appeared to be the most useful marker in monitoring of therapy for bone metastasis from lung cancer.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Kemik neoplazmları · Akciğer neoplazmları · Neoplazm metastazı

Abstract

The prevalance of bone metastasis from lung cancer was reported to range from 32% to 40%. Bone metastasis is usually diagnosed based on imaging studies. Biochemical bone metabolic markers also have been investigated in bone metastasis. In this study we investigated the clinical value of bone metabolic markers for detecting bone metastasis and response to therapy in lung cancer patients. Seventy patients with lung cancer were evaluated to determine the usefulness of bone metabolic markers. N telopeptide (NTx) and bone specific alkaline phosphotase (BAL) were evaluated in thirty three patients with and thirty six patients without bone metastasis. Pamidronate was also applied to sixteen lung cancer patients with bone metastasis. After four cycles of pamidronate therapy, we detected again these markers to evaluate the usefulness of these markers in monitoring of therapy. Serum concentration of NTx and BAL in patients without bone metastasis were significantly higher than in patients with bone metastasis. And also no significant difference was observed in serum concentrations of NTx and BAL between patients with local or multiple sides bone metastasis. But only significant correlation was seen in serum concentration of NTx before and after pamidronate treatment. After pamidronate treatment, NTx level significantly decreased in multiple sides bone matastasis patients. We decided that these results were related with our small and non-homogenous study groups and short therapy period. But this study is important to show that NTx is a useful marker in monitoring of bisphosphonate therapy in lung cancer patients with bone metastasis. In this study, the measurement of serum NTx level appeared to be the most useful marker in monitoring of therapy for bone metastasis from lung cancer.

Özet

Akciğer kanserinde kemiğe metastaz %32-40 oranında bildirilmiştir. Kemik metastazı genellikle görüntüleme yöntemleri ile saptanmaktadır. Kemik metastazı tanısında biyokimyasal kemik metabolik belirleyicilerinin yeri araştırma aşamasındadır. Bu çalışmada, akciğer kanseri olgularında kemiğe metastaz varlığının saptanmasında ve tedaviye yanıtın izlenmesinde kemik metabolik belirleyicilerinin yeri araştırılmıştır. Kemik metabolik belirleyicilerinin etkinliğini saptamak için 70 akciğer kanseri olgusu incelenmiştir. N telopeptid (NTx) ve kemik spesifik alkalen fosfataz (BAL), kemik metastazı olan 33 ve kemik metastazı olmayan 36 akciğer kanserli olguda incelenmiştir. Kemiğe metastazı olan 16 akciğer kanseri olgusuna pamidronat tedavisi uygulanmıştır. Pamidronat dört kez verildikten sonra yukardaki belirleyiciler tekrar ölçülmüş ve tedavinin izlenmesinde bu belirleyicilerin yeri araştırılmıştır. NTx ve BAL düzeyleri, kemik metastazı olmayan akciğer kanserli olgularda daha yüksek bulunmuştur. Ayrıca lokal veya multipl kemik metastazı olan olgularda NTx ve BAL serum konsantrasyonlarında anlamlı farklılık gözlenmemiştir. Sadece pamidronat öncesi ve sonrası serum NTx konsantrasyonunda anlamlı değişim görülmüştür. Pamidronat tedavisi sonrası multipl kemik metastazı olan olgularda serum NTx düzeyi anlamlı olarak daha düşük bulunmuştur. Bu çalışmanın sonuçlarının literatür ile uyumlu olmaması, küçük ve homojen olmayan çalışma grubuna ve kısa tedavi süresine bağlanmıştır. Fakat bu çalışma bize serum NTx düzeyinin izlenmesinin kemiğe metastazlı akciğer kanseri olgularında bifosfonat tedavisinin etkinliğinin değerlendirilmesinde anlamlı olabileceğini göstermiştir. Bu çalışmada kemiğe metastazlı akciğer kanseri olgularında serum NTx düzeyinin izlenmesinin en yararlı belirleyici olduğuna karar verilmiştir.

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Cite This Article

AYGENCEL, S. G., ÖZTÜRK, C., PAŞAOĞLU, H. (2003). Clinical value of bone metabolic markers in bone metastasis from lung cancer. Toraks Dergisi, Cilt: 4 - Sayı: 3, 242–247. https://ajindex.com/articles/368134

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