A Study of mDCF in Combination or Not With Atezolizumab in Advanced Squamous Cell Anal Carcinoma

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Brief Title

A Study of mDCF in Combination or Not With Atezolizumab in Advanced Squamous Cell Anal Carcinoma

Official Title

A Non-comparative Randomized 2:1 Phase II Study of Docetaxel, Cisplatin, and 5-fluorouracil in Combination or Not With Atezolizumab in Patients With Metastatic or Unresectable Locally Advanced Squamous Cell Anal Carcinoma

Brief Summary

      SCARCE is a non-comparative randomized, 2:1 phase II study. The purpose of this study is to
      assess the progression-free survival rate at 12 months. (evaluation according with RECISTv1.1

      For all patients, CT scan will be planned at baseline, and every 8 weeks until 12 months from
      randomization (or disease progression), and every 12 weeks thereafter.

      PET scan will be performed at baseline, at the end of mDCF treatment, and at 12 months after
      randomization (in absence of disease progression).

      CT scan and PET scan will be collected for a centralized review.

Detailed Description

      Squamous cell carcinoma of the anal canal (SCCA) is a rare disease, its incidence increases
      worldwide and no standard therapy is currently available to treat metastatic or relapsing
      cases. SCCA is mostly induced by human papillomavirus (HPV) infections with HPV-related
      oncoproteins (E6 and E7) expressed in more than 90% of cases.

      Based on the preliminary results of the Epitope-HPV02 study and although it provide proof of
      concept data on taxane-based chemotherapy efficacy in SCCA, complete responses observed after
      6-8 cycles of chemotherapy has not translated into long-term remissions .

      Combining immunogenic chemotherapy with anti-PD-1/PD-L1 might be a convenient way to increase
      the diversity of antigens released by tumor and T cells.

      So for the SCARCE study, we hypothesized that combination of mDCF (8 cycles) with MPDL32801
      (12 months) might induce synergy and improve the rate of long-term PFS rate.

      The aim of the SARCE study is to provide a valuable proof of concept to establish immunogenic
      chemotherapy and anti-PDL1 as a standard of care for SCCA patients with poor clinical
      outcomes and to take advantage of the presence of HPV antigens in most patients (HPV 16 and
      18 genotypes are involved in 90% of SCCA) to set up a specific immunomonitoring program based
      on tumor samples and blood-derived lymphocytes to better understand the potential synergisms
      between immunogenic chemotherapy and anti-PDL1 and to identify valuable biomarkers of
      treatment efficacy.

Study Phase

Phase 2

Study Type


Primary Outcome

Progression free survival rate (PFS)

Secondary Outcome

 Overall Survival (OS)


Anal Cancer



Study Arms / Comparison Groups

 ARM A - mDCF + Atezolizumab
Description:  MPDL3280A (atezolizumab) will be administered every 2 weeks at 800 mg for 12 months.
Patients will receive 8 cycles of mDCF (docetaxel 40 mg/m2 day 1, cisplatin 40 mg/m2 day 1 and 5FU at 1200 mg/m2/day for 2 days) every 2 weeks


* Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline.

Recruitment Information

Recruitment Status


Estimated Enrollment


Start Date

July 3, 2018

Completion Date

June 2022

Primary Completion Date

September 2021

Eligibility Criteria

        Inclusion Criteria:

          1. Male or female, aged ≥18 years,

          2. Performance status Eastern Cooperative Oncology Group World Health Organization
             (ECOG-WHO) ≤1,

          3. Histologically proven and unresectable locally advanced recurrent or metastatic
             squamous cell anal carcinoma,

          4. Presence of a target lesion on CT-scan assessed by RECIST v1.1 criteria,

          5. Patient eligible to the mDCF regimen,

          6. CT scan performed within 28 days prior inclusion,

          7. PET scan performed within 28 days prior inclusion,

          8. Signed and dated informed consent,

          9. Patient affiliated to or beneficiary of French social security system,

         10. Ability to comply with the study protocol, in the Investigator's judgment,

         11. Life expectancy ≥ 6 months,

         12. Adequate hematologic and end-organ function.

         13. Previous concomitant chemoradiotherapy is permitted if completed before 28 days of
             starting treatment.

        Exclusion Criteria:

        Non-eligibility to clinical trials if one of the following parameter is reported:

          1. Previously received chemotherapy for metastatic disease,

          2. Previously received cisplatin except for concomitant chemoradiotherapy,

          3. Previously received taxanes (paclitaxel or docetaxel) or another spindle poison
             (navelbine) in the treatment of SCCA,

          4. Previously received anti-tumor immunotherapy (HPV vaccination is allowed),

          5. Previous radiotherapy within 28 days of randomization (14 days if radiotherapy of bone

          6. Diagnosis of additional malignancy within 3 years prior to the randomization with the
             exception for curatively treated basal cell carcinoma of the skin and/or curatively
             resected in situ cervical or breast cancer,

          7. Any medical or psychiatric condition or disease, which would make the patient
             inappropriate for entry into this study,

          8. Current participation in a study of an investigational agent or in the period of

          9. Pregnancy, breast-feeding or absence/refusal of adequate contraception for fertile
             patients during the period of treatment and for 6 months from the last treatment
             administration, men must refrain from donating sperm during this same period.

         10. Patient under guardianship, curatorship or under the protection of justice.

             Non-eligible to chemotherapy:

         11. Inadequate organ functions: uncontrolled cardiac condition, known cardiac failure,
             unstable coronaropathy, respiratory failure, and Chronic Obstructive Pulmonary Disease

         12. Diabetes with vascular or neurovascular complications,

         13. Preexistent peripheral neuropathy or impaired audition,

         14. HIV positive with CD4 count under 400 cells/mm3 (VIH test is mandatory before

         15. Active hepatitis B or C virus (HBV or HCV) infection (chronic or acute), (Defined as
             having a positive HBV surface antigen (HBsAg) test at screening. Patients with a past
             or resolved HBV infection, defined as having a negative HBsAg test and a positive
             total HBV core antibody (HBcAb) test at screening, are eligible for the study. HCV
             infection, defined as having a positive HCV antibody test followed by a positive HCV
             RNA test at screening. The HCV RNA test will be performed only for patients who have a
             positive HCV antibody test),

         16. Active tuberculosis,

         17. Concomitant treatment with CYP3A4 inhibitor like ritonavir, indinavir, or
             ketoconazole, etc. Replacement by another drug before randomization, whenever is
             possible, is allowed,

         18. Known hypersensitivity or contraindication to any of the study chemotherapy drugs
             (taxanes, cisplatin, 5FU), according with the SmPC of each drug

         19. Uncontrolled infection or another life-risk condition,

         20. Known hearing impairment that contraindicates cisplatin administration,

         21. Administration of a live (attenuated) vaccine within 28 days of planned start of study
             therapy of known need for this vaccine during treatment,

         22. Administration of prophylactic phenytoin,

         23. Inadequate laboratory values: creatinine clearance (CrCl by Modification of Diet in
             Renal Disease [MDRD] formula) <60 ml/min, neutrophil count <1500 /mm3, platelets
             <100000/mm3, bilirubin 2.5 x upper limit of normal (ULN), aspartate transaminase
             (AST)/alanine transaminase (ALT) 2.5 x ULN or 5 x ULN with liver metastasis.

         24. Patient with known dihydropyridine dehydrogenase (DPD) deficiency or history of severe
             and unexpected reactions to a fluoropyrimidine-containing regimen, or in case of
             clinically significant active heart disease or myocardial infarction within 6 months
             or if patient treated with sorivudine or its clinically related analogues, such as

             Non-eligible to immunotherapy:

         25. Any immunosuppressive therapy (i.e. corticosteroids >10mg of hydrocortisone or
             equivalent dose) within 14 days before the planned start of study therapy,

         26. Active autoimmune disease that has required a systemic treatment in past 2 years (i.e.
             corticosteroids or immunosuppressive drugs). Replacement therapy (e.g. thyroxine,
             insulin) is allowed.

             Active or history of autoimmune disease or immune deficiency, including, but not
             limited to, myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus
             erythematosus, rheumatoid arthritis, inflammatory bowel disease, antiphospholipid
             antibody syndrome, Wegener granulomatosis, Sjögren syndrome, Guillain-Barré syndrome,
             or multiple sclerosis, (see Annex 7 for a more comprehensive list of autoimmune
             diseases and immune deficiencies) with the following exceptions:

         27. Patients with a history of autoimmune-related hypothyroidism who are on thyroid
             replacement hormone are eligible for the study,

         28. Patients with controlled Type 1 diabetes mellitus who are on an insulin regimen are
             eligible for the study,

         29. Patients with eczema, psoriasis, lichen simplex chronicus, or vitiligo with
             dermatologic manifestations only (e.g., patients with psoriatic arthritis are
             excluded) are eligible for the study provided all of following conditions are met:

               -  Rash must cover < 10% of body surface area,

               -  Disease is well controlled at baseline and requires only low-potency topical

               -  No occurrence of acute exacerbations of the underlying condition requiring
                  psoralen plus ultraviolet A radiation, methotrexate, retinoids, biologic agents,
                  oral calcineurin inhibitors, or high potency or oral corticosteroids within the
                  previous 12 months,

         30. Prior allogeneic bone marrow transplantation or prior solid organ transplantation,

         31. Known active central nervous system metastases and/or carcinomatous meningitis.
             Subject with previously treated brain metastases and with radiological and clinical
             stability are allowed,

         32. Previously received an anti-PD1, anti-PDL1, or anti-CTLA4 agent,

         33. Known hypersensitivity or allergy to Chinese hamster ovary cell products or any
             component of atezolizumab formulation,

         34. History of colorectal inflammatory disease,

         35. History of idiopathic or secondary pulmonary fibrosis (history of radiation
             pneumonitis in the radiation field fibrosis is permitted), or evidence of active
             pneumonitis requiring a systemic treatment with 28 days before the planned start of
             study therapy,

         36. Major surgical procedure other than for diagnosis within 4 weeks prior to initiation
             of study treatment, or anticipation of need for a major surgical procedure during the
             course of the study,

         37. Severe infection within 4 weeks prior to initiation of study treatment, including, but
             not limited to, hospitalization for complications of infection, bacteremia, or severe

         38. Treatment with therapeutic oral or IV antibiotics within 2 weeks prior to initiation
             of study treatment. Patients receiving prophylactic antibiotics (e.g., to prevent a
             urinary tract infection or chronic obstructive pulmonary disease exacerbation) are
             eligible for the study.




18 Years - N/A

Accepts Healthy Volunteers



, 03 81 47 99 99, [email protected]

Location Countries


Location Countries


Administrative Informations



Organization ID


Responsible Party


Study Sponsor

GERCOR - Multidisciplinary Oncology Cooperative Group


 Roche Pharma AG

Study Sponsor

, , 

Verification Date

January 2021