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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03043729
Other study ID # AIO-KRK-0214
Secondary ID
Status Completed
Phase Phase 2
First received
Last updated
Start date March 6, 2017
Est. completion date June 1, 2022

Study information

Verified date February 2023
Source AIO-Studien-gGmbH
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Patients with locally advanced rectal or rectosigmoid cancer staged cT3 CRM-negative with MRI will receive 6 cycles of neoadjuvant treatment with mFOLFOX6 (Arm A) vs. mFOLFOX6 + aflibercept (Arm B) followed by surgery.


Description:

Patients with locally advanced rectal cancer are generally recommended to receive preoperative radiotherapy or radiochemotherapy. The advantage of combined-modality therapy in rectal cancer is that it has reduced local pelvic recurrence - a dreaded and morbid event - to rates of about 10%. There is good quality evidence that preoperative radiotherapy reduces local recurrence but there is little if any impact on overall survival. One strategy to reduce the distant recurrence rate, and thereby increase the cure rate, would be to introduce systemic treatment earlier to prevent dissemination of micrometastases. The present trial is designed to compare two neoadjuvant chemotherapy regimens in patients with non-metastatic T3 CRM-negative rectal cancers using quality-controlled MRI of the pelvis as a main inclusion criterion. This strategy is believed to reduce acute and long-term toxicity caused by preoperative radiotherapy and to administer effective systemic chemotherapy early in the course of disease as neoadjuvant chemotherapy.


Recruitment information / eligibility

Status Completed
Enrollment 119
Est. completion date June 1, 2022
Est. primary completion date January 11, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Age = 18 years on day of signing informed consent 2. Signed and dated informed consent, and willing and able to comply with protocol requirements 3. WHO/ECOG Performance Status (PS) 0-1 4. Diagnosis of rectal adenocarcinoma 5. Candidate for sphincter-sparing surgical resection prior to neoadjuvant therapy according to the primary surgeon, i.e. no patient will be included for whom surgeon indicates need for abdomino-perineal resection (APR) at baseline. 6. Clinical staging is based on the combination of the following assessments: - Physical examination by the primary surgeon - CT scan of the chest/abdomen - Pelvic MRI - Rigid rectoscopy / endoscopic ultrasound (ERUS). - Both examinations (i.e. MRI and ERUS) are mandatory. 7. The tumor has to fulfill the following criteria: - No symptomatic bowel obstruction - Locally advanced rectal and rectosigmoid cancer, i.e. lower border of tumor > 5 cm and < 16 cm from anal verge as determined by rigid rectoscopy - MRI criteria: 1. Lower border of tumor below a line defined by promontorium and symphysis, regardless of the criterion "< 16 cm from anal verge as determined by rigid rectoscopy". 2. No evidence that tumor is adjacent to (defined as within 2 mm of) the mesorectal fascia on MRI (i.e. CRM > 2 mm) 3. Only T3-tumors are included, i.e infiltration into perirectal fat < 10 mm provided CRM > 2 mm 4. Note: MRI criteria are used for the definition of T3 tumor (i.e. exclusion of T2 and T4 situation). 8. Hematological status: - Neutrophils (ANC) = 2 x 10^9/L - Platelets = 100 x 10^9/L - Hemoglobin = 9 g/dL (previous transfusion of packed blood cells allowed) 9. Adequate renal function: - Serum creatinine level = 1.5 x upper limit normal (ULN) or = 1.5 mg/dl - Creatinine clearance = 30 ml/min 10. Adequate liver function: - Serum bilirubin = 1.5 x upper limit normal (ULN) - Alkaline phosphatase < 3 x ULN - AST and ALT < 3 x ULN 11. Proteinuria < 2+ (dipstick urinalysis) or = 1 g/24hour or = 500mg/dl 12. Regular follow-up feasible 13. For female patients of childbearing potential, negative pregnancy test within 1 week (7 Days) prior of starting study treatment 14. Female patients of childbearing potential (i.e. did not undergo surgical sterilization - hysterectomy, bilateral tubal ligation, or bilateral oophorectomy - and is not post-menopausal for at least 24 consecutive months) must commit to using high effective and appropriate methods of contraception until at least 6 months after the end of study treatment such as combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation, progestogen-only hormonal contraception associated with inhibition of ovulation, intrauterine device (IUD), intrauterine hormone-releasing system (IUS), bilateral tubal occlusion, vasectomized partner, sexual abstinence. If an oral contraception is used, a barrier method of contraception (e.g. male condom, female condom, cervical cap, diaphragm, contraceptive sponge) has to be applied additionally 15. Fertile male patients with a partner of childbearing potential must commit to using high effective and appropriate methods of contraception (details see above) until at least 9 months after the end of study treatment. Exclusion Criteria: 1. Distant metastases (CT scans of thorax and abdomen are mandatory) 2. cT2 and cT4 tumors (defined by MRI criteria) 3. Exclusion of potentially compromised CRM as defined by MRI criteria (i.e. > 2 mm distance from CRM) 4. Prior antineoplastic therapy for rectal cancer 5. History or evidence upon physical examination of CNS metastasis 6. Uncontrolled hypercalcemia 7. Pre-existing permanent neuropathy (NCI-CTCAE grade = 2) 8. Uncontrolled hypertension (defined as systolic blood pressure > 150 mmHg and/or diastolic blood pressure > 100 mmHg), or history of hypertensive crisis, or hypertensive encephalopathy 9. Concomitant protocol unplanned antitumor therapy (e.g. chemotherapy, molecular targeted therapy, immunotherapy, radiotherapy) 10. Treatment with any other investigational medicinal product within 28 days prior to study entry 11. Known dihydropyrimidine dehydrogenase (DPD) deficiency 12. Treatment with CYP3A4 inducers unless discontinued > 7 Days prior to randomization 13. Any of the following in 3 months prior to inclusion: - Grade 3-4 gastrointestinal bleeding - Treatment resistant peptic ulcer disease - Erosive esophagitis or gastritis - Infectious or inflammatory bowel disease - Diverticulitis 14. Any active infection within 2 weeks prior to study inclusion 15. Vaccination with a live, attenuated vaccine within 4 weeks prior to the first administration of the study medication 16. Other concomitant or previous malignancy, except: - Adequately treated in-situ carcinoma of the uterine cervix - Basal or squamous cell carcinoma of the skin - Cancer in complete remission for > 5 years 17. Any other serious and uncontrolled non-malignant disease, major surgery or traumatic injury within the last 28 days prior to study entry 18. Pregnant or breastfeeding women 19. Patients with known allergy to any constituent to study drugs 20. History of myocardial infarction and/or stroke within 6 months prior to randomization, NYHA class III and IV congestive heart failure 21. Severe renal insufficiency (creatinin clearance < 30 ml/min) 22. Bowel obstruction 23. Contra-indication to the assessment by MRI 24. Involvement in the planning and/or conduct of the study (applies to both Sanofi staff and/or staff of Sponsor and study site) 25. Patient who might be dependent on the sponsor, site or the investigator 26. Patient who has been incarcerated or involuntarily institutionalized by court order or by the authorities § 40 Abs. 1 S. 3 Nr. 4 AMG 27. 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].

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Oxaliplatin
Oxaliplatin 85 mg/m^2, as 2h infusion on Day 1 (Arm A + Arm B)
5-FU
5-FU 400 mg/m^2 i.v. as bolus on Day 1 and 2400 mg/m^2 as 46 h infusion q2w (Arm A + Arm B)
Leucovorin
Leucovorin 350 mg/m^2 i.v. as 2h infusion on Day 1 (Arm A + Arm B)
Biological:
Aflibercept
Aflibercept 4 mg/kg BW i.v. on Day 1 q2w (Arm B, Cycles 1 to 5)

Locations

Country Name City State
Germany Tagestherapiezentrum am ITM & III. Med. Klinik Mannheim

Sponsors (3)

Lead Sponsor Collaborator
AIO-Studien-gGmbH Institut für Klinisch-Onkologische Forschung (IKF) Frankfurt, Sanofi

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pathologic complete response (pCR) number of patients with a pCR finding divided by the number of patients in the analysis set pCR will be assessed in a standardized manner independently by a central pathology 20 weeks
Secondary Dose intensities of study medication The dose intensities of study medication will be calculated over the whole study duration and will be summarized descriptively by summary statistics. 12 weeks
Secondary Type, incidence and severity of AEs, SAEs AEs will be coded according to the NCI-CTC Criteria Version 4.03. For the analysis, all AEs will be classified as related and not related. AEs will be summarized by presenting the number and percentages of patients having any AE and having an AE in each NCI-CTC category. Summaries will also be presented for AEs by severity and relationship to study medication. Tables will be broken down by study arm. All deaths and serious adverse events will be listed and briefly described. 20 weeks
Secondary Dose reduction or discontinuation of study drug due to adverse events The dose intensities of study medication will be calculated over the whole study duration and will be summarized descriptively by summary statistics. 20 weeks
Secondary Rate of treatment discontinuation due to toxicity Summaries will also be presented for AEs by severity and relationship to study medication. Tables will be broken down by study arm.
All deaths and serious adverse events will be listed and briefly described.
20 weeks
Secondary Type, incidence and severity of laboratory abnormalities For relevant laboratory parameters, the distribution over time as well as changes from randomization will be calculated and analyzed descriptively. 20 weeks
Secondary Rate of patients with R0-wide resection (according to CRM definitions in S3 guideline-Version 1.1 August 2014) The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Rate of patients with R0-narrow resection (according to CRM definitions in S3 guideline-Version 1.1 August 2014) The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Rate of patients with R1 resection (according to CRM definitions in S3 guideline-Version 1.1 August 2014) The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Rate of patients with locoregional R2 resection (according to CRM definitions in S3 guideline-Version 1.1 August 2014) The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Rate of number of patients with R0-wide, R0-narrow (according to CRM definitions in S3 guideline-Version 1.1 August 2014), R1 and locoregional R2 resection The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Disease-free survival (DFS) Disease-free survival rate will be analyzed using a two-sided Fisher's exact test at a 5% significance level. In addition, two-sided 95% confidence intervals for DFS rates and difference in rates between both treatment arms will be calculated. 44 weeks
Secondary Relapse-free survival (RFS) in resected patients Relapse-free survival: The length of time after completion of primary treatment (neoadjuvant chemotherapy + surgery) until documented relapse (i.e. local relapse, liver metastasis, systemic metastases). 44 weeks
Secondary Overall survival (OS) rate Overall survival: Survival will be calculated from the date of subject enrollment until the date of death from any cause. If no event is observed (e.g. lost to follow-up) OS is censored at the day of last subject contact. 44 weeks
Secondary Downstaging ability in resected patients using a standardized regression grading (Dworak regression grading) The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Downsizing ability in resected patients using a standardized regression grading (Dworak regression grading) The R0- and R1 resection as well as downstaging and downsizing using a standardized regression grading (Dworak regression grading) will be analyzed descriptively by means of frequencies and percentages. 20 weeks
Secondary Type, incidence and severity of perioperative medical events within 28 days after surgery are assessed. Perioperative morbidity is categorized according to the Clavien-Dindo-Classification Perioperative medical events as well as mortality within 28 days after surgery will be summarized by frequencies and percentages broken down per treatment arm. 20 weeks
Secondary Mortality after surgery Perioperative medical events as well as mortality within 28 days after surgery will be summarized by frequencies and percentages broken down per treatment arm. 20 weeks
Secondary Vital signs Vital signs will be analyzed using summary statistics broken down per treatment group and visit. 20 weeks
Secondary Physical examination Physical examination as well as WHO/ECOG will be analyzed by calculating frequencies and percentages broken down per treatment group and visit. 20 weeks
Secondary ECOG Physical examination as well as WHO/ECOG will be analyzed by calculating frequencies and percentages broken down per treatment group and visit. 20 weeks
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