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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT02484339
Other study ID # a-RT
Secondary ID
Status Recruiting
Phase Phase 2
First received May 13, 2015
Last updated April 26, 2016
Start date December 2014
Est. completion date December 2017

Study information

Verified date April 2016
Source University Hospital Freiburg
Contact Ursula Nestle, Prof.Dr.
Email alpha-radiotherapy@uniklinik-freiburg.de
Is FDA regulated No
Health authority Germany: Federal Institute for Drugs and Medical Devices
Study type Interventional

Clinical Trial Summary

Phase II open-label study to evaluate the efficacy and safety of Radium-223 dichloride in combination with external beam radiotherapy (EBRT) vs. external beam radiotherapy alone in the treatment of advanced castration resistant prostate carcinoma with limited bone metastases.

To evaluate if time to radiological progression according to the "Recommendations of the Prostate Cancer Clinical Trials Working Group" published by Scher et al. (JCO 2008) (based on new lesions in bone scan and CT /MRI or death) of Radium-223 dichloride combined with EBRT is superior compared to EBRT alone.


Description:

This is an international, multi-center, open-label, prospective, phase II study designed to assess the efficacy of radiation therapy in combination with Radium-223 dichloride in patients diagnosed with CRPC and oligo metastases bone disease. All patients enrolled in this study will have signed an informed consent form (ICF) and will adhere to all inclusion and exclusion criteria.

During the treatment period, patients will be followed on an ongoing basis for safety and quality of life (QoL). Safety assessments will include the collection of all AEs of any grade, serious adverse events (SAEs), adverse event (AEs) corresponding to symptoms arising from bone metastases, laboratory values, (WHO/ECOG) performance status (PS). Documentation of the date of disease progression will be performed at intervals and imaging methods (bone scans and CR/MRI) described in the study protocol. Quality of life will be measured by patient assessment using a validated questionnaire, the Brief Pain Inventory Short Form (BPI-SF), the European Organization for Research and Treatment of Cancer (EORTC) quality of life questionnaire (QLQ)-C15-PAL and the EORTC QLQ- Bone Metastases (BM) 22. Follow-up assessments for safety AEs and SAEs, and the occurrence of secondary malignancies will be conducted every 3-12 months until the patient dies or until the study is terminated by the sponsor. If the patient can no longer travel to the clinical site, he will be followed up for survival only, i.e., the long term follow-up phase of the study.


Recruitment information / eligibility

Status Recruiting
Enrollment 274
Est. completion date December 2017
Est. primary completion date December 2016
Accepts healthy volunteers No
Gender Male
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria:

1. Has provided written informed consent. Subjects must be able to understand and be willing to sign the written informed consent form (ICF). Age = 18 and = 85 years

2. Patients with progressive castration resistant prostate cancer (CRPC) with 1-5 bone metastases for whom Radium-223 dichloride constitutes first-line cytostatic treatment

3. Primary tumor (and its local recurrence, if applicable) controlled by effective local treatment

4. If diagnosed, pelvic lymph node metastases controlled by effective local treatment

5. At least 1 not previously locally treated skeletal metastasis on bone scan without non-bone distant metastases (e.g. lung, liver, and/or brain metastases) and without pathologically enlarged lymph nodes above the pelvis

6. Progressive disease is defined either by:

- The appearance of new bone lesions. If progression is based on new lesion(s) on bone scan only without an increase in prostate specific antigen (PSA), PSA values from 3 assessments within the last 6 months must be provided; OR

- In the absence of new bone lesions by 2 consecutive increases in serum PSA over previous reference value, which should not be more than 6 months before screening, each measured at least 1 week apart with the last PSA =5 ng/mL

7. Life expectancy of at least 6 months.

8. (WHO/ECOG) Performance Status (PS) 0 or 1

9. Adequate bone marrow, liver and renal function as assessed by the following laboratory requirements to be conducted within 7 days prior to start of therapy:

10. Patient has or has had symptoms (e. g. pain or micro)

Exclusion Criteria:

Excluded medical conditions:

1. More than 5 not previously locally treated bone metastases as diagnosed by bone scintigraphy;

2. Visceral or lymph node metastases above the pelvis as assessed by computed tomography (CT) (or other imaging modality) ;

3. History of HIV infection or chronic hepatitis B or C

4. Active clinically serious infections (> grade 2 National Cancer Institute Common Terminology Criteria (NCI-CTC) version 4.03)

5. History of organ allograft

6. Patients undergoing renal dialysis

7. Previous or concurrent cancer that is distinct in primary site or histology from the cancer being evaluated in this study if not in complete remission for at least 5 years since date of diagnosis treated treated basal cell carcinoma, superficial bladder tumors [Ta, Tis & T1] or any cancer curatively treated > 3 years prior to study entry.

8. Substance abuse, medical, psychological or social conditions that may interfere with the patient's participation in the study or evaluation of the study results

9. Imminent or history of spinal cord compression based on clinical findings and/or magnetic resonance imaging (MRI)

10. Any other serious illness or medical condition

11. Fecal incontinence

12. Any condition that is unstable or could jeopardize the safety of the patient and his compliance in the study

13. Known allergy to Radium-223 dichloride (i.e. to active substance or one of the constituents)

Excluded therapies and medications, previous and concomitant:

1. Anticancer chemo- or targeted therapy for CRPC

2. Radiotherapy for prostate cancer manifestations other than study treatment if not given with curative intent to prostate fossa and/or pelvic lymph nodes

3. Major surgery within 4 weeks of study entry.

4. Systemic therapy with radionuclides for the treatment of bone metastases

5. Autologous bone marrow transplant or stem cell rescue within 4 months of study entry

6. Use of biologic response modifiers, such as Granulocyte-Colony Stimulating Factor (G-CSF), within 3 week of study entry

7. Investigational drug therapy outside of this trial during or within 4 weeks of study entry

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
Radium-223 dichloride
Arm A: EBRT and timely sequential start with Radium-223 dichloride 55 kBq/kgbw (6 i.v. injections every 4 weeks) and best supportive care until progression or intolerable toxicity.
Other:
Conventional or high dose radiotherapy
Arm B: External beam radiotherapy (EBRT)->->conventional or high dose radiotherapy

Locations

Country Name City State
Germany Universitätsklinikum "Carl Gustav Carus" der Technischen Universität Dresden Dresden
Germany Universitätsklinikum Freiburg, Klinik für Strahlenheilkunde Freiburg
Germany Universitätsmedizin Mainz, Klinik und Poliklinik für Nuklearmedizin Mainz
Germany Klinikum der Universität München München
Germany Universitätsklinikum Tübingen Tübingen
Germany Universitätsklinikum Würzburg Würzburg

Sponsors (1)

Lead Sponsor Collaborator
University Hospital Freiburg

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Primary Time to radiological progression free survival (PFS) rate measured every 3 month by Bone Scan and MRI or CT until Follow up 7 (month 24) and after that in long term follow up every 6 month randomization to radiological progression No
Secondary Time to local progression in any of the EBRT treated bone metastases of conventional radiotherapy (CRT) vs. High-dose image-based conformal radiotherapy (HIRT) treatment techniques measured every 3 month by Bone Scan, Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) until month 24 after that in long term follow up every 6 month with open end Time to local progression in any of the EBRT treated bone metastases No
Secondary Overall survival Follow up every 3 month until month 24 and after that in long term follow up every 6 month randomization to death No
Secondary Time to distant bone metastasis progression outside the RT target volumes Follow up every 3 month until month 24 and than in long term follow up every 6 month measured by increasing of PSA, CT/MRI Screening to FU 7 (after 24 months) and than in long term follow up every 6 month No
Secondary Time to Skeletal Related Event (SRE) measured every 3 month by Bone Scan, Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) until month 24 and than in long term follow up every 6 month with open end Screening to FU 7 (after 24 months) and than in long term follow up every 6 month Yes
Secondary Pain control measured every 3 month by the Brief Pain Inventory Short Form (BPI-SF), the European Organization for Research and Treatment of Cancer (EORTC) quality of life questionnaire (QLQ)-C15-PAL and the EORTC QLQ- Bone Metastases (BM) 22 until month 24 and than in long term follow up every 6 month Screening to FU 7 (after 24 months) and than in long term follow up every 6 month No
Secondary Disease Control Rate (DCR); Response rates according to Response Evaluation Criteria in Solid Tumors (RECIST) criteria Follow up every 3 month until month 24 measured by RECIST criteria and than in long term follow up every 6 month Screening to FU 7 (after 24 months) and than in long term follow up every 6 month No
Secondary PSA response, time to PSA response and time to PSA normalization Follow up every 3 month until month 24 and after that long term follow up every 6 month measured by PSA level Screening to FU 7 (after 24 months) and than in long term follow up every 6 month No
Secondary Bone alkaline phosphatase (ALP) response, time to bone ALP response Follow up every 3 month until month 24 and than long term follow up every 6 month measured by blood level Screening to FU 7 (after 24 months) and than in long term follow up every 6 month No
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