Prostate Cancer With OligometaSTatic Relapse: Combining Stereotactic Ablative Radiotherapy and Durvalumab (MEDI4736) (POSTCARD)

  • End date
    Nov 21, 2024
  • participants needed
  • sponsor
    Institut Cancerologie de l'Ouest
Updated on 8 February 2022
platelet count
neutrophil count
bone scan
stereotactic body radiation therapy


As in other solid tumours, increasing evidence indicates that patients diagnosed with a limited number of prostate cancer metastases, so-called oligometastases, have a better prognosis compared with patients with extensive metastatic disease.

Survival of patients with three or fewer metastases was superior compared with patients with more than three lesions.

The introduction of novel imaging modalities such as Fluorocholine (FCH), Fuciclovine or Ga-PSMA PET CT has increased the detection of oligometastatic prostate cancer (PCa) recurrence, potentially justifying the use of a metastasis-directed therapy with radiotherapy (RT).

Based on several studies, SBRT is now considered as a strongly validated option in oligometastatic prostate cancer.

It is increasingly understood that cancers are recognized by the immune system, and, under some circumstances, the immune system may control or even eliminate tumors.

Programmed death-ligand 1 (PD-L1) is transmembrane protein that has been speculated to play a major role in suppressing the immune system during particular events.

PD-L1 is expressed in a broad range of cancers. Based on these findings, an anti-PD-L1 antibody could be used therapeutically to enhance antitumor immune responses in patients with cancer.

Experimental data from multiple cancer models have provided cumulative evidence of an interaction of ionizing radiation with the systemic antitumor immunity and this has created several opportunities in the field.

The oligometastatic setting appears to be the most relevant clinical situation to evaluate the immune response generated by radiotherapy and immune modifiers in patients with an intact immune system. The hypothesize is that Durvalumab will enhance immune response following SBRT targeting oligometastatic lesions. In this randomized 2:1 phase II trial of Stereotactic Body Radiation Therapy with or without durvalumab in oligometastatic hormone sensitive prostate cancer patients, Durvalumab will be started one month prior to SBRT to be able to evaluate PSA and immune response to the drug. It will be combined with SBRT and then given adjuvantly for a total of 12 months.

Condition Node; Prostate, Bone Metastases, Prostate Cancer Patients
Treatment SBRT, SBRT + Durvalumab
Clinical Study IdentifierNCT03795207
SponsorInstitut Cancerologie de l'Ouest
Last Modified on8 February 2022


Yes No Not Sure

Inclusion Criteria

Patients with Grade 2 neuropathy will be evaluated on a case-by-case basis after consultation with the Study Physician
Patients with irreversible toxicity not reasonably expected to be exacerbated by treatment with durvalumab may be included only after consultation with the Study Physician
PSA rise while on active treatment (LHRH-agonist, LHRH-antagonist, anti-androgen, maximal androgen blockade, oestrogen)
Lung, Brain, Liver or other visceral metastases
Relapsed primary tumor
Perihilar lymphnode metastases
Previous irradiation of the oligometastatic site using a dose > 20 Gy less than 5 years ago
Previous treatment with a cytotoxic agent for PCa
Treatment during the past month with products known to influence PSA levels (e.g. fluconazole, finasteride, corticosteroids...)
Particimmunotherapyation in another clinical study with an investigational product during the last 4 weeks
Concurrent enrolment in another clinical study, unless it is an observational (non-interventional) clinical study or during the follow-up period of an interventional study
Any prior immune therapy (CTLA-4, PD1 (Programmed cell death )1 or PD-L1 inhibitor, including durvalumab)
Current or prior use of immunosuppressive medication within 14 days before the first dose of durvalumab, with the exceptions of intranasal and inhaled corticosteroids or systemic corticosteroids at physiological doses, which are not to exceed 10 mg/day of prednisone, or an equivalent corticosteroid. The following are exceptions to this
Intranasal, inhaled, topical steroids, or local steroid injections (e.g., intra articular injection)
Systemic corticosteroids at physiologic doses not to exceed 10 mg/day of prednisone or its equivalent
Steroids as premedication for hypersensitivity reactions (e.g., CT scan premedication)
Radiotherapy treatment to more than 30% of the bone marrow or with a wide field of radiation within 4 weeks of the first dose of study drug
Major surgical procedure (as defined by the Investigator) within 28 days prior to the first dose of Durvalumab
History of allogenic organ transplantation
Active or prior documented autoimmune or inflammatory disorders (including inflammatory bowel disease [e.g., colitis or Crohn's disease], diverticulitis [with the exception of diverticulosis], systemic lupus erythematosus, Sarcoidosis syndrome, or Wegener syndrome [granulomatosis with polyangiitis, Graves' disease, rheumatoid arthritis, hypophysitis, uveitis, etc]). The following are exceptions to this
Patients with vitiligo or alopecia
Patients with hypothyroidism (e.g., following Hashimoto syndrome) stable on hormone replacement
Any chronic skin condition that does not require systemic therapy
Patients without active disease in the last 5 years may be included but only after consultation with the study physician
Patients with celiac disease controlled by diet alone
Uncontrolled intercurrent illness, including but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, interstitial lung disease, serious chronic gastrointestinal conditions associated with diarrhea, or psychiatric illness/social situations that would limit compliance with study requirement
History of another primary malignancy except for
Malignancy treated with curative intent and with no known active disease 5 years before the first dose of immunotherapy and of low potential risk for recurrence
Adequately treated non-melanoma skin cancer or lentigo maligna without evidence of disease
Adequately treated carcinoma in situ without evidence of disease
History of leptomeningeal carcinomatosis
History of active primary immunodeficiency
Active infection including tuberculosis, hepatitis B (known positive HBV (hepatitis B virus) surface antigen (HBsAg) result), hepatitis C, or human immunodeficiency virus (positive HIV 1/2 antibodies). Patients with a past or resolved HBV (hepatitis B virus) infection (defined as the presence of hepatitis B core antibody [anti-HBc (hepatitis B core antigen)] and absence of HBsAg) are eligible. Patients positive for hepatitis C (HCV) antibody are eligible only if polymerase chain reaction is negative for HCV RNA
Receipt of live attenuated vaccine within 30 days prior to the first dose of immunotherapy. Note: Patients, if enrolled, should not receive live vaccine whilst receiving immunotherapy and up to 30 days after the last dose of immunotherapy
Known allergy or hypersensitivity to any of the study drugs or any of the study drug excipients
Prior randomization or treatment in a previous durvalumab clinical study regardless of treatment arm assignment
Male patients of reproductive potential who are not willing to employ effective birth control from screening to 90 days after the last dose of durvalumab monotherapy, whichever is the longer time period

Exclusion Criteria

Serum testosterone level < 8.5 nmol/ml
Vertebral metastases with a minimum distance inferior to 5 mm between GTV (gross tumor volume) and spinal cord
Visceral metastases
Bone metastases seen on bone scan
Lymph nodes greater than 20 mm
PSA doubling time less than 6 months
Spinal cord compression
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