Photodynamic Therapy for Cancer光動力療法治療癌症

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Photodynamic Therapy for Cancer

Photodynamic therapy (PDT) combines a drug (called a photosensitizer or photosensitizing agent) with a specific type of light to kill cancer cells.

The U.S. Food and Drug Administration has approved the photosensitizing agent called porfimer sodium, or Photofrin®, for use in PDT to treat or relieve the symptoms of certain cancers.

Patients treated with porfimer sodium should avoid direct sunlight and bright indoor light for at least 6 weeks after treatment.

Researchers continue to study ways to improve the effectiveness of PDT and expand its use to other cancers.

What types of cancer are currently treated with PDT?

To date, the FDA has approved the photosensitizing agent called porfimer sodium, or Photofrin®, for use in PDT to treat or relieve the symptoms of esophageal cancer and non-small cell lung cancer. Porfimer sodium is approved to relieve symptoms of esophageal cancer when the cancer obstructs the esophagus or when the cancer cannot be satisfactorily treated with laser therapy alone. Porfimer sodium is used to treat non-small cell lung cancer in patients for whom the usual treatments are not appropriate, and to relieve symptoms in patients with non-small cell lung cancer that obstructs the airways. In 2003, the FDA approved porfimer sodium for the treatment of precancerous lesions in patients with Barrett esophagus, a condition that can lead to esophageal cancer.

What are the limitations of PDT?

The light needed to activate most photosensitizers cannot pass through more than about one-third of an inch of tissue (1 centimeter). For this reason, PDT is usually used to treat tumors on or just under the skin or on the lining of internal organs or cavities . PDT is also less effective in treating large tumors, because the light cannot pass far into these tumors . PDT is a local treatment and generally cannot be used to treat cancer that has spread (metastasized).

Does PDT have any complications or side effects?

Porfimer sodium makes the skin and eyes sensitive to light for approximately 6 weeks after treatment . Thus, patients are advised to avoid direct sunlight and bright indoor light for at least 6 weeks.

Photosensitizers tend to build up in tumors and the activating light is focused on the tumor. As a result, damage to healthy tissue is minimal. However, PDT can cause burns, swelling, pain, and scarring in nearby healthy tissue . Other side effects of PDT are related to the area that is treated. They can include coughing, trouble swallowing, stomach pain, painful breathing, or shortness of breath; these side effects are usually temporary.

What does the future hold for PDT?

Researchers continue to study ways to improve the effectiveness of PDT and expand it to other cancers. Clinical trials (research studies) are under way to evaluate the use of PDT for cancers of the brain, skin, prostate, cervix, and peritoneal cavity (the space in the abdomen that contains the intestines, stomach, and liver). Other research is focused on the development of photosensitizers that are more powerful , more specifically target cancer cells, and are activated by light that can penetrate tissue and treat deep or large tumors. Researchers are also investigating ways to improve equipment  and the delivery of the activating light .

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Before On-Line Consultation, you shall prepare some information of now your health situation, what kinds of cancer? How long before you get it? What kind of treatment you done? Did you have any medical record, lab test record on hand? How long before of your Chemotherapy? Did you have any side effects of Chemotherapy?

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光動力療法治療癌症

光動力療法(PDT)的結合與特定類型的光來殺死癌細胞的藥物(稱為光敏劑或光敏化劑)。

美國食品和藥物管理局已批准的光敏化劑porfimer鈉,或PHOTOFRIN®,在PDT使用某些癌症的治療或緩解症狀。

porfimer鈉治療的患者應避免陽光直射和明亮的室內光治療後至少6週。

研究人員繼續研究如何提高光動力療法的有效性,並擴大其使用其他癌症。

與PDT是目前治療癌症的什麼類型?

迄今為止,FDA已批准的光敏化劑稱為porfimer鈉,或PHOTOFRIN®,在PDT治療或減輕食管癌和非小細胞肺癌的症狀。 porfimer鈉批准,以減輕食道癌的症狀,當癌細胞妨礙食道或癌症不能令人滿意單獨用激光療法治療時。 porfimer鈉用於治療非小細胞肺癌患者通常的治療方法對他們來說,是不恰當的,並減輕患者與非小細胞肺癌,阻礙呼吸道症狀。在2003年,FDA批准porfimer鈉,Barrett食管,一個條件,可導致食道癌患者的治療癌前病變。

什麼是光動力療法的局限性是什麼?

需要激活最​​光敏劑的光無法穿過比組織英寸(1厘米)的約三分之一。 PDT是出於這個原因,通常用於治療腫瘤或剛下皮膚或內部器官或腔的內壁上。 PDT還大的腫瘤治療效果較差,因為光線不能傳遞到這些腫瘤遠。 PDT是一種局部治療,一般不能被用來治療癌症已經擴散(轉移)。

PDT不會有任何並發症或副作用?

porfimer鈉使皮膚和眼睛怕光的治療後約6週。因此,患者應盡量避免陽光直射,室內光線明亮至少6週。

光敏劑傾向於建立在腫瘤和激活的光集中在腫瘤上。因此,健康組織的損害是最小的。然而,PDT可引起灼傷,腫脹,疼痛,並在附近的健康組織的疤痕。光動力療法等副作用相關的治療區域。它們可以包括咳嗽,吞嚥困難,胃痛,呼吸疼痛,或呼吸急促;這些副作用通常是暫時的。

什麼為PDT的未來將會如何?

研究人員繼續研究如何提高光動力療法的有效性,並擴大到其他癌症。臨床試驗(研究報告)正在進行評估PDT大腦,皮膚,前列腺​​,宮頸,腹腔(腸,胃,肝在腹部,它包含的空間)癌症。其他的研究主要集中在光敏劑更強大,更具體的目標癌細胞的發展,激活光可以穿透組織和治療深部或大腫瘤。研究人員還調查方式,以提高設備和交付激活光。


HerbsDr診所幫助很多客戶任何情況術前或術後化療,放射治療,免疫治療疫苗治療期間甚至癌症擴散到骨,肝臟或身體的其他部位

我們診所客戶癌症治療
期間配合中藥治療,讓癌症客戶的身體狀況更強,免疫系統更強,那些治療的副作用受到緩解,提高食慾,他們睡得更好

即使最後階段,他們
擴散身體其他部位和他們的醫生放棄任何治療,但中藥治療可以去世改善他們生活質量大部分可以醫生預期生存更長

網上
診証
準備一些現在你的健康狀況信息什麼的癌症多久之前,你得到它你做什麼的治療任何醫療記錄,手頭上實驗室測試記錄您的化療多久任何副作用化療

現在接受網上診証



光动力疗法治疗癌症

光动力疗法(PDT)的结合与特定类型的光来杀死癌细胞的药物(称为光敏剂或光敏化剂)。

美国食品和药物管理局已批准的光敏化剂porfimer钠,或PHOTOFRIN®,在PDT使用某些癌症的治疗或缓解症状。

porfimer钠治疗的患者应避免阳光直射和明亮的室内光治疗后至少6周。

研究人员继续研究如何提高光动力疗法的有效性,并扩大其使用其他癌症。

与PDT是目前治疗癌症的什么类型?

迄今为止,FDA已批准的光敏化剂称为porfimer钠,或PHOTOFRIN®,在PDT治疗或减轻食管癌和非小细胞肺癌的症状。 porfimer钠批准,以减轻食道癌的症状,当癌细胞妨碍食道或癌症不能令人满意单独用激光疗法治疗时。 porfimer钠用于治疗非小细胞肺癌患者通常的治疗方法对他们来说,是不恰当的,并减轻患者与非小细胞肺癌,阻碍呼吸道症状。在2003年,FDA批准porfimer钠,Barrett食管,一个条件,可导致食道癌患者的治疗癌前病变。

什么是光动力疗法的局限性是什么?

需要激活最​​光敏剂的光无法穿过比组织英寸(1厘米)的约三分之一。 PDT是出于这个原因,通常用于治疗肿瘤或刚下皮肤或内部器官或腔的内壁上。 PDT还大的肿瘤治疗效果较差,因为光线不能传递到这些肿瘤远。 PDT是一种局部治疗,一般不能被用来治疗癌症已经扩散(转移)。

PDT不会有任何并发​​症或副作用?

porfimer钠使皮肤和眼睛怕光的治疗后约6周。因此,患者应尽量避免阳光直射,室内光线明亮至少6周。

光敏剂倾向于建立在肿瘤和激活的光集中在肿瘤上。因此,健康组织的损害是最小的。然而,PDT可引起灼伤,肿胀,疼痛,并在附近的健康组织的疤痕。光动力疗法等副作用相关的治疗区域。它们可以包括咳嗽,吞咽困难,胃痛,呼吸疼痛,或呼吸急促;这些副作用通常是暂时的。

什么为PDT的未来将会如何?

研究人员继续研究如何提高光动力疗法的有效性,并扩大到其他癌症。临床试验(研究报告)正在进行评估PDT大脑,皮肤,前列腺,宫颈,腹腔(肠,胃,肝在腹部,它包含的空间)癌症。其他的研究主要集中在光敏剂更强大,更具体的目标癌细胞的发展,激活光可以穿透组织和治疗深部或大肿瘤。研究人员还调查方式,以提高设备和交付激活光。


HerbsDr在线诊所帮助很多癌症客户任何情况下,术前或术后,化疗,放射治疗,免疫治疗,疫苗治疗期间。甚至癌症扩散到骨,肺,肝脏或身体的其他部位。

我们的诊所是让客户在癌症的治疗期间,配合中药治疗,让癌症客户的身体状况更强,免疫系统更强,那些治疗的副作用更受到缓解,提高人的食欲,让他们睡得更好。

即使在最后阶段,他们扩散到身体的其他部位,和他们的医生放弃任何治疗,但中药治疗可以在去世前改善他们的生活质量,大部分可以比医生预期生存更长。

网上诊证前,你应准备一些,现在你的健康状况的信息,什么样的癌症?多久之前,你得到它呢?你做什么样的治疗?你有任何医疗记录,手头上的实验室测试记录?您的化疗前多久?你有任何副作用的化疗?

现在请接受网上诊证

















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