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About
A multicenter Phase II, randomized, prospective, open-label Trial investigating the clinical impact on combining Specific Internal Radiotherapy (SIRT) with the PD1-L Inhibitor Durvalumab and the CTLA-4 Inhibitor Tremelimumab in patients with intrahepatic Biliary Tract Cancer
Full description
IMMUWHY Phase II Clinical Trial will test the Addition of the immunotherapeutic agents Durvalumab and Tremelimumab after an initial Standard of Care SIRT in patients suffering from non-resectable intrahepatic Biliary Tract Cancer. Patients will be randomized into two experimental arms, one receiving Durvalumab only, the other one receiving Durvalumab + Tremelimumab. Clinical Outcomes will be compared vs. historical datasets.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Fully-informed written consent and locally required authorization (European Union [EU]: General Data Privacy Regulation (GDPR)) obtained from the patient prior to performing any protocol-related procedures, including screening evaluations.
Age ≥ 18 years.
Histologically documented diagnosis of locally-advanced OR limited metasized intrahepatic BTC not amenable to curative treatment (tumor resection or ablation), specified as
Tumor being confined to the liver or
In case of presence of extrahepatic lesions, metastasis must be stable AND of limited extent* AND patient must have a potential benefit from study participation in comparison to standard of care systemic therapy per local tumor board evaluation.
*Limited extent is defined in this protocol as presence of
Tumor tissue (block or at least 4 slides) is available for translational research.
Patients with prior chemotherapy and/or immunotherapy can be enrolled if ONE of the following criteria is met:
Has been considered candidate for standard-of-care Y-90 SIRT therapy per Investigator decision and after prior consultation with the tumor board if available at site and does not display contraindications against SIRT.
Contraindications against SIRT would be
Performance status (PS) ≤ 1 (ECOG scale).
Body weight >30 kg
At least one measurable site of disease as defined by RECIST 1.1 criteria.
Adequate bone marrow and renal function
Adequate hepatic function (with stenting for any obstruction, if required)
Female patients with reproductive potential must have a negative urine or serum pregnancy test within 7 days prior to start of trial.
Evidence of post-menopausal status or negative urinary or serum pregnancy test for female pre-menopausal patients. Women will be considered post-menopausal if they have been amenorrheic for 12 months without an alternative medical cause.
The patient is willing and able to comply with the protocol for the duration of the study, including hospital visits for treatment and scheduled follow-up visits and examinations.
Must have a life expectancy of at least 12 weeks.
If patient has concurrent Hepatitis B virus (HBV) or Hepatitis C virus (HCV) infection, meets the following criteria:
Controlled (treated) hepatitis B subjects will be allowed if they started treatment at the time point of enrollment into the study by the latest and treatment is continued during study participation and for ≥ 6 months after end of study treatment.
- HCV patients with advanced BTC are mostly not treated for their HCV infection. However, patients treated for HCV are considered suitable for inclusion if antiviral therapy has been completed ≥ 30 days prior to first administration of study drug.
Exclusion criteria
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.
Participation in another clinical study with an investigational product within 21 days prior to the first dose of the study treatment.
Prior immunotherapy or use of other investigational agents, including prior treatment with an anti-Programmed Death receptor-1 (PD-1), anti-Programmed Death-1 ligand-1 (PD-L1), anti-PD-L2, or anti-cytotoxic T-lymphocyte associated antigen-4 (anti-CTLA-4) antibody, therapeutic cancer vaccines, apart from durvalumab and pembrolizumab as PD-L1 inhibitor in first line therapy.
Presence of peritoneal carcinomatosis or brain metastases.
Any unresolved toxicity NCI CTCAE Grade ≥ 2 from previous anticancer therapy with the exception of alopecia, vitiligo, and the laboratory values defined in the inclusion criteria
Any concurrent chemotherapy, investigational product (IP), biologic, or hormonal therapy for cancer treatment. Concurrent use of hormonal therapy for non-cancer related conditions (eg, hormone replacement therapy) is acceptable.
Prior radiotherapy treatment before the first dose of any study drug.
Major surgery (as defined by the Investigator) within 4 weeks prior to enrollment into the study; patients must have recovered from effects of any major surgery. Note: Local non-major surgery for palliative intent (e.g. surgery of isolated lesions, per-cutaneous biliary drainage or biliary stenting) is acceptable.
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], celiac disease, systemic lupus erythematosus, Sarcoidosis syndrome, or Wegener syndrome [granulomatosis with polyangiitis, Graves' disease, rheumatoid arthritis, hypophysitis, uveitis].
Uncontrolled intercurrent illness, including but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, , serious active, uncontrolled, gastrointestinal conditions associated with diarrhea, or psychiatric illness/social situations that would limit compliance with study requirement, substantially increase risk of incurring AEs or compromise the ability of the patient to give written informed consent.
History of non-infectious pneumonitis requiring steroids, or patients with Grade ≥ 2 pneumonitis.
History of another primary malignancy except for:
History of leptomeningeal carcinomatosis
Brain metastases or spinal cord compression. Patients with suspected brain metastases at screening should have a CT/ MRI of the brain prior to study entry.
History of active primary immunodeficiency
History of allogenic organ transplantation.
Active infection including tuberculosis (clinical evaluation that includes clinical history, physical examination and radiographic findings, and TB testing in line with local practice), or human immunodeficiency virus (positive HIV 1/2 antibodies) or active hepatitis B/hepatitis C co-infection.
Current or prior use of immunosuppressive medication within 14 days before the first dose of durvalumab or tremelimumab.
Female patients who are pregnant or breastfeeding or male or female patients of reproductive potential who are not willing to employ highly effective birth control from screening to 180 days after the last dose of durvalumab.
Known allergy or hypersensitivity to any of the IMPs or any of the constituents of the product.
Any co-existing medical condition that in the investigator's judgement will substantially increase the risk associated with the patient's participation in the study.
Patient who has been incarcerated or involuntarily institutionalized by court order or by the authorities § 40 Abs. 1 S. 3 Nr. 4 AMG.
Patients who are unable to consent because they do not understand the nature, significance and implications of the clinical trial and therefore cannot form a rational intention in the light of the facts [§ 40 Abs. 1 S. 3 Nr. 3a AMG].
Receipt of live attenuated vaccine within 30 days prior to the first administration of any of the IMPs and without need to receive any live attenuated vaccines during study conduct and for up to 30 days after end of Durvalumab treatment or 90 days after end of Tremelimumab treatment respectively.
Primary purpose
Allocation
Interventional model
Masking
50 participants in 2 patient groups
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Central trial contact
Doerthe Vortmeyer, Doctor; Arndt Vogel, Professor
Data sourced from clinicaltrials.gov
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