Image-guided Hypofractionated Radiotherapy as an Alternative to Radical Prostatectomy in Localized Prostate Cancer in Elderly Patients with Low Life Expectancy

被引:0
作者
Jain, Neeraj [1 ]
Jain, Anshi [2 ]
Sharma, Ramita [1 ]
Sachdeva, Kanchan [3 ]
Kaur, Amandeep [4 ]
Sudan, Meena [1 ]
机构
[1] Sri Guru Ram Das Univ Hlth Sci, Dept Radiat Oncol, Amritsar, Punjab, India
[2] G D Somaya Med Coll, Dept Med, Mumbai, Maharashtra, India
[3] Tata Mem Hosp, Dept Med Phys, Mumbai, Maharashtra, India
[4] Gujarat Canc Res Inst, Dept Med Phys, Ahmadabad, Gujarat, India
关键词
Elderly; hypofractionated; Image-guided Radiotherapy; localized prostate cancer; radiothé; rapie; â; gé; e; hypo fractionné e; guidé e par image; cancer de la prostate localisé; INTENSITY-MODULATED RADIOTHERAPY; RADIATION-THERAPY; RANDOMIZED-TRIAL; RISK;
D O I
10.4103/aam.aam_216_23
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Introduction:Radical prostatectomy is appropriate for any patient whose cancer appears clinically localised to prostate. However because of potential perioperative morbidity, radical prostatectomy is generally reserved for patients whose life expectancy is more than ten years. Moderate hypofractionation for localized prostate cancer is safe and effective. There is a growing body of evidence in support of extreme hypofractionation for localized prostate cancer. Hypofractionation for prostate cancer was originally carried out in the pursuit of efficiency and convenience, but has now attracted greatly renewed interest based upon a hypothesis that prostate cancers have a higher sensitivity to fraction size, reflected in a low alpha/beta ratio, then do late responding organs at risk such as the rectum or bladder.Material and Methods:From January 2017 to December 2020 we treated 112 patients of localised Prostate Cancer with Image Guided Radiotherapy (IGRT). They were in range of 75-85 years. They were of stage T1-T3, N0 or N1. There were significant comborbidities. ECOG performance status was 0-1. They were given 3 months of Androgen Deprivation Therapy (ADT) before starting IGRT. Patients were immobilised with casts and subject to CT simulation. CBCT was taken daily. Dose was 70 Gy @ 250 cGy per fraction at a frequency of 5 fractions per week. Complete blood counts were done weekly for assessment of haematological toxicity. Androgen Deprivation Therapy was continued post IGRT.Results:All the patients were able to complete the treatment. Evaluation was done at one month, three month and six months post treatment. 104 out of 112 patients achieved complete response. Other 8 had near complete response. There were no acute grade 3-4 toxicities. Grade 1-2 toxicities like skin desquamation, diarrhoea, burning micturition were managed conservatively. Late toxicity was rectal bleeding seen after one year of completion of treatment and was managed with steroid enemas. 23 patients required argon plasma laser therapy.Conclusion:Image guided radiotherapy is well tolerated, easy to implement and an effective alternative to radical prostatectomy in elderly patients with comorbidities and low life expectancy. Introduction:La prostatectomie radicale est approprié e pour tout patient dont le cancer apparaî t cliniquement localisé à la prostate. Cependant, en raison de la morbidité pé riopé ratoire potentielle, la prostatectomie radicale est gé né ralement ré servé e aux patients dont l'espé rance de vie est supé rieure à dix ans. L'hypofractionnement modé ré pour le cancer localisé de la prostate est sû r et efficace. Il existe un ensemble croissant de preuves à l'appui de l'hypofractionnement extrê me pour le cancer de la prostate localisé. L'hypofractionnement pour le cancer de la prostate a é té initialement mené e dans la poursuite de l'efficacité et de la commodité, mais a maintenant suscité un inté rê t considé rablement renouvelé en fonction d'une hypothè se selon laquelle les cancers de la prostate ont une sensibilité plus é levé e à la taille des fraction Les organes ré pondants à risque tels que le rectum ou la vessie.Maté riel et mé thodes:De janvier 2017 à dé cembre 2020, nous avons traité 112 patients d'un cancer de la prostate localisé avec radiothé rapie guidé e par l'image (IGRT). Ils é taient de 75 à 85 ans. Ils é taient de stade T1-T3, N0 ou N1. Il y avait des comorbidité s importantes. Le statut de performance ECOG é tait de 0-1. Ils ont reç u 3 mois de thé rapie de privation des androgè nes (ADT) avant de commencer l'IGRT. Les patients ont é té immobilisé s avec des moulages et soumis à une simulation CT. CBCT a é té pris quotidiennement. La dose é tait de 70 Gy @ 250 cgy par fraction à une fré quence de 5 fractions par semaine. Les numé ros sanguins complets ont é té effectué s chaque semaine pour é valuer la toxicité hé matologique. La thé rapie de privation des androgè nes s'est poursuivie aprè s l'IGRT.Ré sultats:Tous les patients ont pu terminer le traitement. L'é valuation a é té effectué e à un mois, trois mois et six mois aprè s le traitement. 104 sur 112 patients ont obtenu une ré ponse complè te. Les 8 autres avaient une ré ponse presque complè te. Il n'y avait pas de toxicité s aiguë s de grade 3-4. Toxicité s de grade 1-2 comme la desquamation cutané e, la diarrhé e, la miction brû lante ont é té gé ré s de maniè re conservatrice. La toxicité tardive a é té des saignements rectaux observé s aprè s un an d'achè vement du traitement et a é té gé ré avec des lavements sté roï des. 23 patients ont besoin d'un traitement au laser plasma d'argon.Conclusion:La radiothé rapie guidé e par l'image est bien tolé ré e, facile à mettre en oe uvre et une alternative efficace à la prostatectomie radicale chez les patients â gé s atteints de comorbidité s et une faible espé rance de vie.
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页码:680 / 683
页数:4
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