Implant and External Radiation for Prostate Cancer With or Without Hormonal Therapy: A Prospective Randomized Trial
12 avril 2016 mis à jour par: Gregory Merrick, M.D., Schiffler Cancer Center
Determine the role of androgen deprivation therapy in high risk patients receiving 45 Gy of pelvic radiotherapy plus a Pd-103 boost and the impact of the duration of ADT in hormonally-manipulated patients.
Aperçu de l'étude
Statut
Résilié
Les conditions
Intervention / Traitement
Description détaillée
In calender year 2005, 220, 000 men will be diagnosed with prostate cancer and approximately 30,000 will subsequently die of metastatic disease. Although the vast majority of men will be diagnosed with clinically localized and potentially curable disease, the selection of one local modality over another remains a focus of significant controversy within the uro-oncology community. However, patients with higher risk features are most often managed with radiotherapeutic approaches to include androgen deprivation therapy.
Prostate brachytherapy represents the ultimate-three dimensional conformal therapy and permits dose escalation far exceeding other modalities. Following permanent prostate brachytherapy with or without supplemental external beam radiation therapy, favorable long-term biochemical outcomes have been reported for patients with low, intermediate and high risk features with a morbidity profile that compares favorably with competing local modalities (1,2).
Several prospective randomized trials have demonstrated that androgen deprivation therapy in conjunction with conventional doses of external beam radiation therapy (65-70 Gy)results in improvement in disease-free and overall survival in patients with locally advanced prostate cancer (3,4).
Type d'étude
Interventionnel
Inscription (Réel)
6
Phase
- Phase 3
Contacts et emplacements
Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.
Lieux d'étude
-
-
Washington
-
Seattle, Washington, États-Unis, 98104
- Seattle Prostate Institute
-
Seattle, Washington, États-Unis, 98108
- Groupe Health Cooperative, Veterans Adminstration Hospital and University of Washington
-
-
West Virginia
-
Wheeling, West Virginia, États-Unis, 26003
- Schiffler Cancer Center
-
-
Critères de participation
Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.
Critère d'éligibilité
Âges éligibles pour étudier
- Enfant
- Adulte
- Adulte plus âgé
Accepte les volontaires sains
Oui
Sexes éligibles pour l'étude
Homme
La description
Inclusion Criteria:
- High risk patients - Two to three of the following: PSA 10-30 ng/mL, Gleason score greater than or equal to 6, clinical stage greater than or equal to T2c (2002 ACJJ).
- CT of the abdomen and pelvis and bone scan without evidence of metastases.
- An enzymatic prostatic acid phosphatase must be obtained prior to randomization.
- A serum testosterone must be obtained prior to initiation of androgen deprivation therapy.
- No prior pelvic external beam radiation therapy for prostate cancer or other malignancies.
- No prior androgen deprivation therapy.
- Minimum 5 year life expectancy.
- No other invasive cancer diagnosis other than non-melanoma skin cancer within the last 5 years.
Exclusion Criteria:
- Exclusion criteria will be limited to patients who do not meet the above eligibility criteria.
Plan d'étude
Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Comparateur actif: no hormones
All patients will receive a 5-week course of external beam radiation therapy to the pelvis and a Pd-103 brachytherapy implant with no hormones
|
All patients will receive a 5-week course of external beam radiation therapy to the pelvis and a Pd-103 brachytherapy implant
|
|
Comparateur actif: 9 months of hormone therapy
All patients will receive a 5-week course of external beam radiation therapy to the pelvis and a Pd-103 brachytherapy implant with a 9 month course of hormone therapy
|
All patients will receive a 5-week course of external beam radiation therapy to the pelvis and a Pd-103 brachytherapy implant
9 months of an LHRH agonist and 4 months of an anti-androgen) is optimal for securing long-term biochemical control (a stable, non-rising PSA).
9 months of an LHRH agonist and 4 months of an anti-androgen) is optimal for securing long-term biochemical control (a stable, non-rising PSA).
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
PSA 3 and 6 months following implantation then every 6 months.
Délai: 3 and 6 months following implantation then every 6 months
|
PSA 3 and 6 months following implantation then every 6 months.
|
3 and 6 months following implantation then every 6 months
|
|
Serum testosterone levels at 3 and 6 months in hormonally manipulated patients.
Délai: 3 and 6 months
|
Serum testosterone levels at 3 and 6 months in hormonally manipulated patients
|
3 and 6 months
|
|
Androgen deprivation therapy will not be reinitiated unless the post-treatment PSA exceeds 10 ng/mL or distant metastases are detected.
Délai: as needed
|
Androgen deprivation therapy will not be reinitiated unless the post-treatment PSA exceeds 10 ng/mL or distant metastases are detected.
|
as needed
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
EPIC on 6 and 12 months and then annually.
Délai: 6 and 12 months and then annually.
|
EPIC on 6 and 12 months and then annually.
|
6 and 12 months and then annually.
|
|
Hormonally manipulated patients will obtain a DEXA scan.
Délai: as needed
|
Hormonally manipulated patients will obtain a DEXA scan.
|
as needed
|
|
For documented osteoporosis, Zometa (4 mg IV over 15 minutes) every 3 months is recommended.
Délai: every 3 months is recommended.
|
For documented osteoporosis, Zometa (4 mg IV over 15 minutes) every 3 months is recommended.
|
every 3 months is recommended.
|
Collaborateurs et enquêteurs
C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.
Parrainer
Les enquêteurs
- Chercheur principal: Gregory S Merrick, MD, Schiffler Cancer Center, Wheeling, WV
- Chaise d'étude: Kent E. Wallner, MD, Group Health Cooperative, Veterans Administration Hospital, and University of Washington
- Chaise d'étude: John Sylvester, MD, Seattle Prostate Institute Seattle, WA 98104
Publications et liens utiles
La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.
Publications générales
- Wei JT, Dunn RL, Litwin MS, Sandler HM, Sanda MG. Development and validation of the expanded prostate cancer index composite (EPIC) for comprehensive assessment of health-related quality of life in men with prostate cancer. Urology. 2000 Dec 20;56(6):899-905. doi: 10.1016/s0090-4295(00)00858-x.
- D'Amico AV, Manola J, Loffredo M, Renshaw AA, DellaCroce A, Kantoff PW. 6-month androgen suppression plus radiation therapy vs radiation therapy alone for patients with clinically localized prostate cancer: a randomized controlled trial. JAMA. 2004 Aug 18;292(7):821-7. doi: 10.1001/jama.292.7.821.
- Wallner K, Merrick G, True L, Sutlief S, Cavanagh W, Butler W. 125I versus 103Pd for low-risk prostate cancer: preliminary PSA outcomes from a prospective randomized multicenter trial. Int J Radiat Oncol Biol Phys. 2003 Dec 1;57(5):1297-303. doi: 10.1016/s0360-3016(03)01448-2.
- Bolla M, Collette L, Blank L, Warde P, Dubois JB, Mirimanoff RO, Storme G, Bernier J, Kuten A, Sternberg C, Mattelaer J, Lopez Torecilla J, Pfeffer JR, Lino Cutajar C, Zurlo A, Pierart M. Long-term results with immediate androgen suppression and external irradiation in patients with locally advanced prostate cancer (an EORTC study): a phase III randomised trial. Lancet. 2002 Jul 13;360(9327):103-6. doi: 10.1016/s0140-6736(02)09408-4.
- Crook J, Ludgate C, Malone S, Lim J, Perry G, Eapen L, Bowen J, Robertson S, Lockwood G. Report of a multicenter Canadian phase III randomized trial of 3 months vs. 8 months neoadjuvant androgen deprivation before standard-dose radiotherapy for clinically localized prostate cancer. Int J Radiat Oncol Biol Phys. 2004 Sep 1;60(1):15-23. doi: 10.1016/j.ijrobp.2004.02.022.
- Roach M 3rd, DeSilvio M, Lawton C, Uhl V, Machtay M, Seider MJ, Rotman M, Jones C, Asbell SO, Valicenti RK, Han S, Thomas CR Jr, Shipley WS; Radiation Therapy Oncology Group 9413. Phase III trial comparing whole-pelvic versus prostate-only radiotherapy and neoadjuvant versus adjuvant combined androgen suppression: Radiation Therapy Oncology Group 9413. J Clin Oncol. 2003 May 15;21(10):1904-11. doi: 10.1200/JCO.2003.05.004.
- Merrick GS, Wallner KE, Butler WM. Permanent interstitial brachytherapy for the management of carcinoma of the prostate gland. J Urol. 2003 May;169(5):1643-52. doi: 10.1097/01.ju.0000035544.25483.61.
- Merrick GS, Butler WM. Modified uniform seed loading for prostate brachytherapy: rationale, design, and evaluation. Tech Urol. 2000 Jun;6(2):78-84.
- Consensus statement: guidelines for PSA following radiation therapy. American Society for Therapeutic Radiology and Oncology Consensus Panel. Int J Radiat Oncol Biol Phys. 1997 Mar 15;37(5):1035-41. No abstract available.
- Pilepich MV, Caplan R, Byhardt RW, Lawton CA, Gallagher MJ, Mesic JB, Hanks GE, Coughlin CT, Porter A, Shipley WU, Grignon D. Phase III trial of androgen suppression using goserelin in unfavorable-prognosis carcinoma of the prostate treated with definitive radiotherapy: report of Radiation Therapy Oncology Group Protocol 85-31. J Clin Oncol. 1997 Mar;15(3):1013-21. doi: 10.1200/JCO.1997.15.3.1013.
- Merrick GS, Butler WM, Galbreath RW, Lief JH, Adamovich E. Does hormonal manipulation in conjunction with permanent interstitial brachytherapy, with or without supplemental external beam irradiation, improve the biochemical outcome for men with intermediate or high-risk prostate cancer? BJU Int. 2003 Jan;91(1):23-9. doi: 10.1046/j.1464-410x.2003.04024.x.
- Merrick GS, Butler WM, Wallner KE, Galbreath RW, Lief JH, Allen Z, Adamovich E. Impact of supplemental external beam radiotherapy and/or androgen deprivation therapy on biochemical outcome after permanent prostate brachytherapy. Int J Radiat Oncol Biol Phys. 2005 Jan 1;61(1):32-43. doi: 10.1016/j.ijrobp.2004.05.003.
- Lee LN, Stock RG, Stone NN. Role of hormonal therapy in the management of intermediate- to high-risk prostate cancer treated with permanent radioactive seed implantation. Int J Radiat Oncol Biol Phys. 2002 Feb 1;52(2):444-52. doi: 10.1016/s0360-3016(01)02598-6.
- Stock RG, Cahlon O, Cesaretti JA, Kollmeier MA, Stone NN. Combined modality treatment in the management of high-risk prostate cancer. Int J Radiat Oncol Biol Phys. 2004 Aug 1;59(5):1352-9. doi: 10.1016/j.ijrobp.2004.01.023.
- Sylvester J, Blasko JC, Grimm PD, Meier R, Goy B, Colburn G, Cavanagh W. Neoadjuvant Androgen Ablation Combined with External-Beam Radiation Therapy and Permanent Interstitial Brachytherapy Boost in Localized Prostate Cancer. Mol Urol. 1999;3(3):231-236.
Dates d'enregistrement des études
Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.
Dates principales de l'étude
Début de l'étude
1 août 2004
Achèvement primaire (Réel)
1 juillet 2009
Achèvement de l'étude (Réel)
1 juillet 2009
Dates d'inscription aux études
Première soumission
20 octobre 2005
Première soumission répondant aux critères de contrôle qualité
20 octobre 2005
Première publication (Estimation)
24 octobre 2005
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
14 avril 2016
Dernière mise à jour soumise répondant aux critères de contrôle qualité
12 avril 2016
Dernière vérification
1 avril 2016
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- 05-8-4
Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .