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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03000374
Other study ID # GEMCAD-1601
Secondary ID 2016-002333-29
Status Completed
Phase Phase 2
First received
Last updated
Start date May 30, 2017
Est. completion date December 15, 2021

Study information

Verified date February 2022
Source Grupo Espanol Multidisciplinario del Cancer Digestivo
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Patients with rectal adenocarcinoma of intermediate risk (defined by magnetic resonance imaging [MRI]), without mutations in KRAS, BRAF, NRAS and PI3KCA, who are candidates for preoperative treatment, will receive a preoperative Induction therapy with 12 weeks of panitumumab with mFOLFOX-6 to evaluate the efficacy in terms of pathologic complete response (pCR)


Description:

Phase II, nonrandomized single-arm trial of preoperative treatment with mFOLFOX-6 and panitumumab in an enriched population of patients with rectal adenocarcinoma of intermediate risk, screened by MRI, without mutations in KRAS, BRAF, NRAS and PI3K. All patients enrolled in the study will receive 12 weeks of the investigational product (mFOLFOX-6 with panitumumab) every 14 days for six cycles, unless unacceptable toxicity occurs or progression is detected. After this treatment, response will be evaluated by diffusion-weighted MRI and endoscopy. In the absence of disease progression, patients eligible for R0 resection will undergo total mesorectal excision (TME). After surgery, patients will receive mFOLFOX6 x 6 cycles. In the case of intolerance to FOLFOX-panitumumab, disease progression or ineligibility for R0 resection, patients will receive chemoradiotherapy with capecitabine 825 mg/m2 every 12 hours concomitantly with radiotherapy (RT) with a total dose of 50.4 Gy. At the end of this treatment, patients will undergo TME between 6-8 weeks after finishing the CRT. If a patient has received 4 or more neoadjuvant cycles of FOLFOX-panitumumab before unacceptable toxicity or progression, it will be considered that the neoadjuvant treatment has been completed and the patient will have no additional neoadjuvant treatment but surgery. If the patient has received <4 cycles of neoadjuvant treatment, neoadjuvant CRT will be administered. If a patient has an acceptable toxicity or disease progression or a R0 surgery is not possible to be performed and the patient received CRT, the patient will be followed up for 24 months, from the enrollment of the last patient in the trial, or until progression occurs, in order to assess progression-free survival and all the data regarding surgery and CRT will be recorded in the eCRF. If a patient withdraws consent and refuses to continue participating in the study, follow-up evaluations must be discontinued.


Recruitment information / eligibility

Status Completed
Enrollment 34
Est. completion date December 15, 2021
Est. primary completion date October 31, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years to 74 Years
Eligibility Inclusion Criteria: 1. Signed and dated informed consent form, and willingness and ability to comply with the requirements of the protocol; 2. Men or women with rectal cancer, age = 18 and <75 years; 3. Histologically documented adenocarcinoma of the rectum. All other histologic types are excluded. A biopsy of the rectal primary tumor must be available (between 1-4), with tumor representation > 50% in each sample. The samples will be sent to Val d'Hebron Institute of Oncology (VHIO) for molecular determination. The blocks of the biopsies will be sent included in paraffin. 4. Rectal cancer candidate for R0 resection with preservation of the rectal sphincter. 5. Tumors with the following characteristics on high-resolution thin-slice (3 mm) MRI: 1. mrT3 2. Tumors of the middle third, defined as tumors whose distal edge is = 12 cm of the anal verge or below the peritoneal reflection and above = 2 cm of the anorectal junction. 3. Absence of MRF invasion, defined as a distance = 1 mm between the tumor and the fascia; 6. Absence of mutations in KRAS (mutations in KRAS exon 2 [codons 12/13], exon 3 [codons 59/61] and exon 4 [codon 117/146], NRAS (NRAS exon 2 [codons 12/13], exon 3 [codons 59/61] and exon 4 [codons 117/146]), BRAF (exon 15 [codon 600] and PI3KCA in exons 9 and 20 7. ECOG performance status = 2; 8. Hematological status: - Neutrophils (ANC) = 1.5 x 109/L; - Platelets = 100 x 109/L; - Hemoglobin = 9 g/dL; 9. Adequate renal function: serum creatinine <1.5 x upper limit of normal (ULN); 10. Adequate liver function: - Serum bilirubin = 1.5 x ULN, - Alkaline phosphatase < 5 x ULN, - AST/ALT < 3 x ULN; 11. Regular monitoring feasible; 12. In women of childbearing potential, a negative serum pregnancy test within 1 week (7 days) before the start of study treatment; 13. Women must commit to using reliable and appropriate methods of contraception for up to at least six months after the end of the study treatment (when applicable). Men with a partner of childbearing potential must agree to use a method of contraception and their partners must use another contraceptive method for the duration of the trial. Sexual abstinence will be accepted as a contraception method, with the duration and considerations stablished by the investigator Exclusion Criteria: 1. Mucinous adenocarcinoma. 2. N2 lymph node involvement, defined as: 4 or more lymph nodes in the mesorectum showing morphological signs of metastatic involvement on MRI. A lymph node is considered malignant when: 1. Short axis > 9 mm. 2. Short axis 5-9 mm and =2 of the following criteria: i Rounded appearance. ii Heterogeneous margin. iii Heterogeneous signal intensity. 3. Short axis < 5 mm AND round shape AND heterogeneous margin AND heterogeneous signal intensity. 3. Extramesorectal lymph node involvement: an involved extramesorectal lymph node is defined as a lymph node in the obturator area with a short axis > 8 mm, round shape and heterogeneous signal.. 4. Prior treatment with panitumumab or cetuximab; 5. Preexisting permanent neuropathy (grade = 2 NCI-CTCAE); 6. Concomitant antitumor treatment not foreseen in the protocol (e.g., chemotherapy, targeted molecular therapy, immunotherapy); 7. Treatment with any other investigational medicinal product within the 28 days prior to study entry; 8. Other simultaneous or prior malignancy, except: i) properly treated uterine cervix carcinoma in situ, ii) basal or squamous cell skin carcinoma, iii) cancer in complete remission for a period > 5 years; 9. Evidence of metastatic disease in additional studies or in the physical examination; 10. Any other severe and uncontrolled nonmalignant disease, major surgery or traumatic injury in the last 28 days; 11. Pregnant or breastfeeding women; 12. Patients with known allergy to any excipient of the investigational products; 13. Clinically significant cardiovascular disease, including myocardial infarction, unstable angina, symptomatic congestive heart failure or cardiac arrhythmia in the year before randomization in the study. 14. Intestinal occlusion: In the case of intestinal occlusion, patients may be enrolled in the study after performing a derivative stoma. 15. Interstitial Lung Disease

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Panitumumab
Panitumumab will be administered intravenously (IV) in a dose of 6 mg/kg on day 1 every 14 days. Panitumumab will be supplied to sites by the study sponsor in 5-mL and 20-mL vials, at a concentration of 20 mg/mL.
5Fluorouracil
Once every 14 days. Day 1: 400 mg/m2 in IV bolus and a 46-hour infusion of 5-FU 2400 mg/m².
Oxaliplatin
Once every 14 days. Day 1: 85 mg/m2 I.V. infusión in 250-500 mL, over two hours, followed by 5-FU
Leucovorin
Once every 14 days. Day 1: 200 mg/m2 I.V., over two hours, followed by 5-FU

Locations

Country Name City State
Spain Hospital Clinic i Provincial Barcelona
Spain Hospital de la Santa Creu i Sant Pau Barcelona
Spain Hospital Universitari Vall d'Hebrón Barcelona
Spain Hospital General Universitario de Elche Elche Alicante
Spain Hospital Universitario La Paz Madrid
Spain Complejo Hospitalario de Navarra Pamplona Navarra
Spain Hospital de Sabadell Sabadell Barcelona
Spain Hospital de Sant Joan Despí Moisés Broggi Sant Joan Despí Barcelona
Spain Hospital Universitario Virgen del Rocío Sevilla
Spain Consorcio Hospital General Universitario de Valencia Valencia
Spain Fundación Instituto Valenciano de Oncología Valencia

Sponsors (3)

Lead Sponsor Collaborator
Grupo Espanol Multidisciplinario del Cancer Digestivo Amgen, Pivotal S.L.

Country where clinical trial is conducted

Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pathologic complete response (pCR) Pathologic CR is defined as the absence of viable tumor cells in the primary tumor and lymph nodes (ypT0N0). Up to 16-18 weeks after first treatment administration
Secondary Rates of R0 resection and free mesorectal fascia (or circumferential margin) Up to 16-18 weeks after first treatment administration
Secondary Tumor regression grade (TRG) the residual tumor after preoperative treatment is evaluated semi-quantitatively using the 5-point regression grading scale established by Dworak Up to 16-18 weeks after first treatment administration
Secondary Rate of tumor downstaging (mrT versus ypT) Up to 16-18 weeks after first treatment administration
Secondary Quality of surgery According to the histopathology report Up to 16-18 weeks after first treatment administration
Secondary Adverse events and changes in laboratory results The adverse events will be encoded using the Medical Dictionary for Regulatory Activities (MedDRA), version 18.1 or later, and evaluated using the U.S. National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE), version 4.0. All AEs that occur up until 30 days after the last dose of investigational product will be recorded. Serious and nonserious AEs related with the study treatment that appear up until 30 days after the administration of the last dose should be reported.
Secondary Surgical complications Over 30 days after surgery.
Secondary Rate of local recurrence At 3 years after recruitment
Secondary Distant metastasis rate At 3 years after recruitment
Secondary Disease free survival At 3 years after recruitment
Secondary Overall survival At 3 years after recruitment
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