First-line Therapy in Metastatic PDAC

  • STATUS
    Recruiting
  • End date
    Jun 23, 2023
  • participants needed
    270
  • sponsor
    Ludwig-Maximilians - University of Munich
Updated on 23 January 2021

Summary

The overarching hypothesis of this trial is that the NAPOLI regimen and alternating cycles of NAPOLI and mFOLFOX6 (seq-NAPOLI-FOLFOX) are superior to the current standard of care gemcitabine/nab-paclitaxel. Furthermore, we propose that the NAPOLI regimen and seq-NAPOLI-FOLFOX display favourable safety profiles and allow for longer first line treatment and higher rate of transition into the second line setting.

Description

Pancreatic ductal adenocarcinoma (PDAC) remains an almost uniformly lethal disease. Although there has been significant progress in understanding of the underlying molecular biology of pancreatic cancer, this progress has not translated into substantially better outcome.

Alarmingly, the number of pancreatic cancer cases is constantly rising and pancreatic cancer will be the second most frequent cause of cancer related death by 2030.

Accordingly, novel therapeutic strategies for patients with pancreatic cancer are desperately needed.

Recently, the combination of gemcitabine and nab-paclitaxel proofed to be superior when compared to single agent gemcitabine (overall survival [OS] 8.7 months in the nab-paclitaxel/gemcitabine group versus 6.6 months in the gemcitabine group; hazard ratio for death, 0.72; 95% confidence interval [CI], 0.62 to 0.83; P<0.001). Consequently, this combination therapy is now regarded as a standard treatment option for patients with metastatic pancreatic cancer and should therefore serve as control for future clinical studies.

Furthermore, the combination of 5-fluorouracil (5-FU), irinotecan and oxaliplatin (FOLFIRINOX) was found to be more effective in the treatment of metastatic pancreatic cancer when compared to gemcitabine monotherapy (overall survival 11.1 month in the FOLFIRINOX group versus 6.8 months in the gemcitabine group - hazard ratio for death, 0.57; 95% confidence interval [CI], 0.45 to 0.73; P<0.001). However, this increased activity came at the cost of higher treatment-related side effects.

Recently, the NAPOLI-1 trial yielded promising results for the combination of liposomal irinotecan (nal-Iri) in combination with 5-FU/folinic acid (FA) in patients pretreated with a gemcitabine-based first-line regimen.

Finally, Phase II data show promising efficacy and favorable toxicity with conventional FOLFIRI.3 in the treatment of advanced pancreatic cancer.

Furthermore, studies in colorectal cancer demonstrated a comparable efficacy and favorable toxicity when comparing conventional FOLFOXIRI (+ bevacizumab) and sequential FOLFOXIRI (alternating FOLFOX and FOLFIRI) in combination with bevacizumab.

With these novel treatment options at hand it is imperative to define the optimal first-line treatment modality in order to allow for an optimized treatment sequence to ensure for maximal success with acceptable toxicity.

Details
Condition Metastatic Pancreatic Cancer
Treatment Gemcitabine, Oxaliplatin, Nab-paclitaxel, 5-FU, Irinotecan Liposomal Injection
Clinical Study IdentifierNCT03487016
SponsorLudwig-Maximilians - University of Munich
Last Modified on23 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Adult patients 18 years of age and 75 years
Histologically (not cytologically) confirmed diagnosis of metastatic pancreatic ductal adenocarcinoma (PDAC) [Stage IV according to UICC TNM edition 8 of 201622: each T, each N, M1]
No option for surgical resection or radiation in curative intent
At least one unidimensionally measurable tumor lesion (according to RECIST 1.1)
ECOG performance status 0 - 1
Life expectancy at least 3 months
Adequate hepatic, renal and bone marrow function, defined as
Absolute neutrophil count (ANC) 1.5 x 109/L
Haemoglobin 9 g/dL
Thrombocytes 100 x 109/L
Total bilirubin 1.5 x ULN. Patients with a biliary stent may be included provided that bilirubin level after stent insertion decreased to 1.5 x ULN and there is no cholangitis
AST/GOT and/or ALT/GPT 2.5 x ULN or in case of liver metastasis 5 x ULN)
Serum creatinine within normal limits or creatinine clearance 60 mL/min/1.73 m2 as calculated by CKD-EPI formula for patients with serum creatinine levels above or below the institutional normal value
Females of childbearing potential (FCBP) must have a negative highly sensitive serum pregnancy test within 7 days of the first administration of study treatment and they must agree to undergo a further pregnancy tests at monthly intervals and at the end of treatment visit and FCBP must either agree to use and be able to take highly effective contraceptive birth control methods (Pearl Index < 1) during the course of the study and for at least 1 month after last administration of study treatment. Complete sexual abstinence is acceptable as a highly effective contraceptive method only if the subject is refraining from heterosexual intercourse during the entire study treatment and at least one month after the discontinuation of study treatment and the reliability of sexual abstinence is in line with the preferred and usual lifestyle of the subject. A female subject following menarche is considered to be of childbearing potential unless she is naturally amenorrhoeic for 1 year without an alternative medical reason, or unless she is permanently sterile
Males must agree to use condoms during the course of the trial and for at least 6 months after last administration of study drugs or practice complete abstinence from heterosexual intercourse
Signed and dated informed consent before the start of any specific protocol procedures
Patient's legal capacity to consent to study participation

Exclusion Criteria

Locally advanced PDAC without metastasis
Symptomatic/clinically significant ascites (expected indication for repeated paracentesis)
Known metastatic disease to the brain. Brain imaging is required in symptomatic patients to rule out brain metastases, but is not required in asymptomatic patients
Previous palliative chemotherapy or other palliative systemic tumor therapy for metastatic disease of PDAC
Previous gemcitabine or 5-FU based treatment with exception of gemcitabine/fluoropyrimidine based treatment applied in the neoadjuvant or adjuvant setting (before/after potential curative R0 or R1 resection) and if the neoadjuvant/adjuvant chemotherapy was terminated at least 6 months before randomization
Previous radiotherapy of PDAC with exception of radiotherapy in the context of a neoadjuvant or adjuvant treatment setting that was terminated at least 6 months before randomization
Any major surgery within the last 4 weeks before randomization
Clinically significant decrease in performance status within 2 weeks of intended first administration of study medication (by medical history)
Severe tumor-related cachexia and/or known weight loss > 15% within one month before study enrollment
Pre-existing polyneuropathy grade 2 according to CTCAE version 4.03
Gastrointestinal disorders that might interfere with the absorption of the study drug and gastrointestinal disorders with diarrhoea as a major symptom (e.g. Crohn's disease, malabsorption), and chronic diarrhoea of any aetiology CTCAE version 4.03 grade 2
Any other severe concomitant disease or disorder, which could influence patient's ability to participate in the study and his/her safety during the study or interfere with interpretation of study results e.g. active infection, uncontrolled hypertension, clinically significant cardiovascular disease e.g. cerebrovascular accident ( 6 months before study start), myocardial infarction ( 6 months before study start), unstable angina, heart failure NYHA functional classification system grade 2, severe cardiac arrhythmia requiring medication, metabolic dysfunction, severe renal disorder
Any other malignancies than PDAC within the last 5 years before study start, except for adequately treated carcinoma in situ of the cervix, basal or squamous cell skin cancer
Hypersensitivity to the study drugs or to any of the excipients or to compounds with similar chemical or biologic composition
Use of strong CYP3A4 inhibitors (CYP3A4 inhibitors have to be discontinued at least one week prior to start of study treatment)
Use or strong UGT1A1 inhibitors or strong CYP3A4 inducers unless there are no
therapeutic alternatives
Known glucuronidation deficiency (Gilbert's syndrome) (specific screening not required)
Known DPD deficiency (specific screening not required)
Requirement for concomitant antiviral treatment with sorivudine or brivudine
Continuing abuse of alcohol, drugs, or medical drugs
Pregnant or breast-feeding females or FCBPs unable to either perform highly effective contraceptive measures or practice complete abstinence from heterosexual intercourse
Current or recent (within 4 weeks prior to randomization) treatment with an investigational drug or participation in an investigational clinical trial
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