Rectal Mucinous AdenocarcinomaPhase 3NCT00068692
Comparison of Adjuvant Chemotherapy Regimens in Treating Stage II/III Rectal Cancer
A Phase 3 study testing Radiotherapy, Fluorouracil and Leucovorin Calcium in people with Rectal Mucinous Adenocarcinoma and Rectal Signet Ring Cell Adenocarcinoma, run by National Cancer Institute (NCI) at 1 site in United States.
Trial summary
This randomized phase III trial is comparing the effectiveness of three adjuvant combination chemotherapy regimens in treating patients who are receiving radiation therapy and fluorouracil either before or after surgery for stage II or stage III rectal cancer. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Rectal Mucinous Adenocarcinoma, Rectal Signet Ring Cell Adenocarcinoma, Recurrent Rectal Carcinoma
- What is being tested?
- Radiotherapy, Fluorouracil and Leucovorin Calcium
- Type of treatment
- Injection or infusion, Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 225 participants
- Where
- 1 siteUnited States
- Study dates
- 15 Oct 2003to 15 Nov 2016
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patients must have histologically proven adenocarcinoma of the rectum with no distant metastases. Clinical staging is required (T3N0M0, T4N0M0, TanyN1-3M0).
- Patients must not have evidence of tumor outside of the pelvis including liver metastases, peritoneal seeding, or metastatic inguinal lymphadenopathy.
- The distal border of the tumor must be at or below the peritoneal reflection, defined as within 12 cm of anal verge by proctoscopic examination. In addition, patients who have had a portion of their tumors confirmed to be below the peritoneal reflection at the time of surgery are eligible regardless of the distance determined by endoscopy.
- Transmural penetration of tumor through the muscularis propria must be demonstrated by CT scan, endo-rectal ultrasound or MRI.
- Tumors must be defined prospectively by the surgeon as clinically resectable or not.
- Clinically resectable tumors will be defined by the surgeon as not fixed and completely resectable with negative margins based on the routine examination of the non-anesthetized patient.
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- Before pre-op treatment, the surgeon should estimate and record the type of resection anticipated: APR, LAR or LAR/coloanal anastomosis.
- The tumor may be clinically fixed or initially not completely resectable, clinical stage T4 N0-2 M0 based on the presence of at least one of the following criteria:
- Clinically fixed tumors on rectal examination with tumor adherent to the pelvic sidewall or sacrum.
- Hydronephrosis on CT scan or IVP or ureteric or bladder invasion as documented by cystoscopy and cytology or biopsy, or invasion into prostate.
- Vaginal or uterine involvement.
- Patients must not have a previous or concurrent malignancy, with the exception of:
- Nonmelanoma skin cancer or in situ cervical cancer.
- Treated non-pelvic cancer from which the patient has been continuously disease-free for >5 years.
- Patients must have ECOG performance status 0-1.
- Patients must be > 18 years of age.
- All females of childbearing potential must have a blood or urine test within 2 weeks prior to registration to rule out pregnancy.
- Sexually-active women of childbearing potential and sexually active males are strongly advised to use an accepted and effective method of contraception
- Patients must have had histologically proven adenocarcinoma of the rectum with no distant metastases. Pathologic staging is required (T3N0M0, T4N0M0, TanyN1-3M0).
- Patients must not have evidence of tumor outside of the pelvis including liver metastases, peritoneal seeding, or metastatic inguinal lymphadenopathy.
- The distal border of the tumor must have been at or below the peritoneal reflection, defined as within 12 centimeters of anal verge by proctoscopic examination. In addition, patients who have had a portion of their tumors confirmed to be below the peritoneal reflection at the time of the surgery are eligible regardless of the distance determined by endoscopy.
- Patients must not have received prior chemotherapy or pelvic irradiation therapy.
- Patients must not have a previous or concurrent malignancy, with the exception of:
- Non-melanoma skin cancer or in situ cervical cancer.
- Treated non-pelvic cancer from which the patient has been continuously disease-free for >5 years.
- Patients must have ECOG performance status 0-1.
- Patients must be > 18 years of age.
- All females of childbearing potential must have a blood or urine test within 2 weeks prior to registration to rule out pregnancy.
- Sexually active women of childbearing potential and sexually active males are strongly advised to use an accepted and effective method of contraception.
- Patients must have a completely resected tumor and be within 21-56 days from the date of surgery.
- Patients who received combination chemotherapy/XRT prior to randomization (Group I) must have had a minimum radiation dose of 50.4 Gy.
- Patients must have ECOG performance status 0-1.
- Patients must have adequate renal function (creatinine < 1.5 x ULN) obtained < 4 weeks prior to randomization.
- Patients must have adequate hepatic function (bilirubin < 1.5 x ULN, SGOT (AST) < 3 x ULN) obtained < 4 weeks prior to randomization).
- Patients must have absolute neutrophil count > 1500/mm3 and platelet count > 100,000/mm3 < 4 weeks prior to randomization.
Who cannot join
- Patients have received prior chemotherapy or pelvic irradiation therapy.
- Female patients must not be pregnant or breast-feeding.
- Patients have an active inflammatory bowel disease or other serious medical illness which might limit the ability of the patient to receive protocol therapy.
- Group II (Post-operative) Registration
- Patients have an active inflammatory bowel disease or other serious medical illness which might limit the ability of the patient to receive protocol therapy.
- Female patients are pregnant or breast-feeding.
- Randomization (Groups I and II)
- Patients have an active inflammatory bowel disease or other serious medical illness which might limit the ability of the patient to receive protocol therapy.
Trial locations and contacts
1 site in 1 country.
United States1 site
Eastern Cooperative Oncology Group
Boston, Massachusetts, 02215
About this study
Official title: Intergroup Randomized Phase III Study of Postoperative Irinotecan, 5-Fluorouracil and Leucovorin vs. Oxaliplatin, 5-Fluorouracil and Leucovorin vs. 5-Fluorouracil and Leucovorin for Patients With Stage II or III Rectal Cancer Receiving Either Preoperative Radiation and 5-Fluorouracil or Postoperative Radiation and 5-Fluorouracil
This randomized phase III trial is comparing the effectiveness of three adjuvant combination chemotherapy regimens in treating patients who are receiving radiation therapy and fluorouracil either before or after surgery for stage II or stage III rectal cancer. Drugs used in chemotherapy, such as irinotecan, fluorouracil, leucovorin, and oxaliplatin, use different ways to stop tumor cells from dividing so they stop growing or die. Radiation therapy uses high-energy x-rays to damage tumor cells. It is not yet known which adjuvant combination chemotherapy regimen is more effective in treating patients who are receiving radiation therapy and fluorouracil either before or after surgery for rectal cancer.
Read the detailed description
PRIMARY OBJECTIVES:
- To compare the overall survival of patients treated with irinotecan, 5-FU and leucovorin versus those treated with oxaliplatin, leucovorin and 5-FU versus those treated with leucovorin and 5-FU for patients with stage II and III rectal cancer.
SECONDARY OBJECTIVES:
- To determine sphincter preservation, tolerance of treatment and patterns of failure.
II. To describe patterns of failures
OTHER PRE-SPECIFIED OBJECTIVES:
I.To prospectively assess rectal function using the Patient Bowel Function/Uniscale questionnaire and the FACT Diarrhea Subscale in patients treated with an adjuvant program of pelvic radiation therapy and chemotherapy.
II. To correlate expression of key targets for 5-FU, leucovorin, oxaliplatin and irinotecan from tumor tissue biopsies with treatment efficacy III. To correlate tumor molecular prognostic markers with survival. IV. To determine physician preference in regard to the radiation-chemotherapy sequence in the Intergroup.
OUTLINE: This is a randomized, multicenter study. Patients are stratified according to ECOG performance status (0 vs 1), chemotherapy/radiotherapy sequence (preoperative vs postoperative), and risk group (high risk [T3, N+, M0 or T4, any N, M0] vs low risk [T1-2, N+, M0 or T3, N0, M0]). Patients are treated in 1 of 2 groups according to physician preference and then randomized to 1 of 3 treatment arms.
GROUP I (preoperative chemoradiotherapy and additional adjuvant chemotherapy): Preoperative chemoradiotherapy: Patients receive 1 of 3 treatment regimens, determined by the treating physician.
REGIMEN A (radiotherapy and fluorouracil): Patients undergo external beam radiotherapy once daily 5 days a week for 5 1/2 weeks (total of 28 fractions). Patients also receive concurrent fluorouracil intravenously (IV) continuously 7 days a week for 5 1/2 weeks.
REGIMEN B (radiotherapy, fluorouracil, and leucovorin calcium): Patients undergo external beam radiotherapy as in regimen A. Patients also receive concurrent fluorouracil IV and leucovorin calcium IV continuously for 4 days on weeks 1 and 5.
REGIMEN C (radiotherapy and capecitabine)*: Patients undergo external beam radiotherapy as in regimen A. Patients also receive concurrent oral capecitabine twice daily for 5 1/2 weeks.
NOTE: *Regimen C is allowed only for patients enrolled on protocol NSABP-R-04.
Surgery: Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection.
Additional adjuvant chemotherapy: Within 21-56 days after complete surgical resection, patients are randomized to 1 of 3 treatment arms.
ARM I: Patients receive irinotecan IV over 90 minutes and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Patients also receive fluorouracil IV continuously over 46 hours beginning on day 1. Treatment repeats every 2 weeks for 8 courses.
ARM II: Patients receive oxaliplatin IV over 2 hours and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Patients also receive fluorouracil IV continuously over 46 hours beginning on day 1. Treatment repeats every 2 weeks for 8 courses.
ARM III: Patients receive leucovorin calcium IV over 2 hours and fluorouracil IV over 1 hour on days 1, 8, 15, 22, 29, and 36. Treatment repeats every 8 weeks for 3 courses.
In all arms, treatment continues in the absence of disease progression or unacceptable toxicity.
GROUP 2 (postoperative chemoradiotherapy and additional adjuvant chemotherapy): Within 21-56 days after complete surgical resection, patients are randomized to 1 of 3 treatment arms.
ARM I: Patients receive irinotecan, leucovorin calcium, and fluorouracil as in group 1, arm I for 4 courses.
ARM II: Patients receive oxaliplatin, leucovorin calcium, and fluorouracil as in group 1, arm II for 4 courses.
ARM III: Patients receive leucovorin calcium and fluorouracil as in group 1, arm III for 1 course.
Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemoradiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III.
Treatment continues in the absence of disease progression or unacceptable toxicity.
Patients are followed every 3 months for 3 years, every 6 months for 2 years, and then annually for 5 years.
- Conditions
- Rectal Mucinous Adenocarcinoma, Rectal Signet Ring Cell Adenocarcinoma, Recurrent Rectal Carcinoma, Stage IIA Rectal Cancer AJCC v7, Stage IIB Rectal Cancer AJCC v7, Stage IIC Rectal Cancer AJCC v7
- Being tested
- Radiotherapy, Fluorouracil, Leucovorin Calcium, Oxaliplatin, Irinotecan
- Keywords
- rectal cancer, chemotherapy, irinotecan, oxaliplatin
- Medical subject headings
- Rectal Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
RadiotherapyRadiation
Also called Definitive Radiation Therapy, EBRT, External Beam Radiotherapy, external radiation
Undergo external beam radiation therapy
FluorouracilDrug
Also called Efudex, 5-FU, 5-Fluorouracil, Adrucil
Given IV
Also called Leucovorin, Wellcovorin, citrovorun factor, folinic acid
Given IV
OxaliplatinDrug
Also called 1-OHP, Dacplat, Eloxatin, Eloxatine
Given IV
IrinotecanDrug
Also called Camptosar, CPT-11, Camptothecin-11
Given IV
| Study group | Role | What they receive |
|---|---|---|
| Group I, Arm I | Experimental | Patients receive 1 of 3 preoperative chemo and radiotherapy treatment regimens, determined by the treating physician. Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection. Patients receive irinotecan IV over 90 minutes and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Treatment continues in the absence of disease progression or unacceptable toxicity. Receives: Radiation: Radiotherapy; Drug: Fluorouracil; Drug: Leucovorin Calcium; Drug: Irinotecan |
| Group I, Arm II | Experimental | Patients receive 1 of 3 preoperative chemo and radiotherapy treatment regimens, determined by the treating physician. Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection. Patients receive oxaliplatin IV over 2 hours and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Patients also receive fluorouracil IV continuously over 46 hours beginning on day 1. Treatment repeats every 2 weeks for 8 courses. Treatment continues in the absence of disease progression or unacceptable toxicity. Receives: Radiation: Radiotherapy; Drug: Fluorouracil; Drug: Leucovorin Calcium; Drug: Oxaliplatin |
| Group I, Arm III | Experimental | Patients receive 1 of 3 preoperative chemo and radiotherapy treatment regimens, determined by the treating physician. Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection. Patients receive leucovorin calcium IV over 2 hours and fluorouracil IV over 1 hour on days 1, 8, 15, 22, 29, and 36. Treatment repeats every 8 weeks for 3 courses. Treatment continues in the absence of disease progression or unacceptable toxicity. Receives: Radiation: Radiotherapy; Drug: Fluorouracil; Drug: Leucovorin Calcium |
| Group II, Arm I | Experimental | Patients receive irinotecan, leucovorin calcium, and fluorouracil as in group 1, arm I for 4 courses. Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemo and radiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III.
Treatment continues in the absence of disease progression or unacceptable toxicity. Receives: Radiation: Radiotherapy; Drug: Fluorouracil; Drug: Leucovorin Calcium; Drug: Irinotecan |
| Group II, Arm II | Experimental | Patients receive oxaliplatin, leucovorin calcium, and fluorouracil as in group 1, arm II for 4 courses. Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemo and radiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III.
Treatment continues in the absence of disease progression or unacceptable toxicity. Receives: Radiation: Radiotherapy; Drug: Fluorouracil; Drug: Leucovorin Calcium; Drug: Oxaliplatin |
| Group II, Arm III | Experimental | Patients receive leucovorin calcium and fluorouracil as in group 1, arm III for 1 course. Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemo and radiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III. Treatment continues in the absence of disease progression or unacceptable toxicity. Receives: Radiation: Radiotherapy; Drug: Fluorouracil; Drug: Leucovorin Calcium |
What is being measured
The primary outcome is the main question the study is designed to answer.
3-year Overall Survival Rate
Overall survival (OS) was defined as time from randomization to death from any cause. 3-year OS rate was estimated using Kaplan-Meier method.
Measured: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years, estimated at 3 years
Secondary outcomes (3)
3-year Disease Free Survival
Disease free survival (DFS) was defined as time from randomization to recurrence, second invasive primary cancer and death from any cause, whichever occurred first. 3-year DFS rate was estimated using Kaplan-Meier method.
Measured: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years, estimated at 3 years
Proportion of Sphincter Preservation
Proportion of sphincter preservation was defined as number of patients with sphincter preservation divided by total number of patients randomized to the arm
Measured: assessed at primary surgery time
Failure Pattern
Type of failures (local/regional recurrence vs. distant recurrence vs. concurrent recurrence vs. second primary cancer vs. deaths) in the analysis population
Measured: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted11 Sep 2003 (estimated)
- Study start15 Oct 2003
- Primary completion15 Nov 2016
- Study completion15 Nov 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Rectal Mucinous AdenocarcinomaStudies of the same condition, open and under way.
- More trials run by National Cancer Institute (NCI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 225 participants (actual)
Sponsor and investigators
- Lead sponsor
- National Cancer Institute (NCI)
- Sponsor type
- US National Institutes of Health
- Responsible party
- Sponsor
- Investigators
- Al Benson, Principal investigator, Eastern Cooperative Oncology Group
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00068692
- Sponsor's protocol ID
- NCI-2012-02959
- Other IDs
- NCI-2012-02959, E3201, U10CA021115
- Status last verified
- Dec 2018
- First submitted
- 10 Sep 2003
- Last updated
- 4 Dec 2018
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: Individual patient data will be shared upon approval
Publications
Kam AE, Zhao F, Meropol NJ, Giantonio BJ, Diasio RB, Flynn PJ, Catalano P, Hartner L, Rowland KM, Song W, Mulcahy MF, Sinicrope FA, Whitehead RP, Mayer RJ, Petrelli N, O'Dwyer PJ, Hamilton SR, Cella D, Benson AB. Intergroup randomized phase III study of adjuvant FOLFIRI, FOLFOX, or 5-FU/leucovorin for stage II/III rectal cancer: ECOG-ACRIN E3201. Oncologist. 2025 Dec 27;31(1):oyaf416. doi: 10.1093/oncolo/oyaf416.
PubMed 41397917
Study at a glance
From the registry record, last updated by the sponsor on 4 Dec 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Intergroup Randomized Phase III Study of Postoperative Irinotecan, 5-Fluorouracil and Leucovorin vs. Oxaliplatin, 5-Fluorouracil and Leucovorin vs. 5-Fluorouracil and Leucovorin for Patients With Stage II or III Rectal Cancer Receiving Either Preoperative Radiation and 5-Fluorouracil or Postoperative Radiation and 5-Fluorouracil
- ClinicalTrials.gov ID
- NCT00068692
- Acronym / sponsor ID
- NCI-2012-02959
- Conditions
- Rectal Mucinous Adenocarcinoma, Rectal Signet Ring Cell Adenocarcinoma, Recurrent Rectal Carcinoma, Stage IIA Rectal Cancer AJCC v7, Stage IIB Rectal Cancer AJCC v7, Stage IIC Rectal Cancer AJCC v7
- Keywords
- rectal cancer, chemotherapy, irinotecan, oxaliplatin
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 225 participants (actual)
- Lead sponsor
- National Cancer Institute (NCI)US National Institutes of Health
- Study start
- 15 Oct 2003
- Primary completion
- 15 Nov 2016 (actual)
- Study completion
- 15 Nov 2016 (actual)
- First posted
- 11 Sep 2003 (estimated)
- Results
- Posted 4 Dec 2018
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This randomized phase III trial is comparing the effectiveness of three adjuvant combination chemotherapy regimens in treating patients who are receiving radiation therapy and fluorouracil either before or after surgery for stage II or stage III rectal cancer. Drugs used in chemotherapy, such as irinotecan, fluorouracil, leucovorin, and oxaliplatin, use different ways to stop tumor cells from dividing so they stop growing or die. Radiation therapy uses high-energy x-rays to damage tumor cells. It is not yet known which adjuvant combination chemotherapy regimen is more effective in treating patients who are receiving radiation therapy and fluorouracil either before or after surgery for rectal cancer.
Detailed description
PRIMARY OBJECTIVES:
- To compare the overall survival of patients treated with irinotecan, 5-FU and leucovorin versus those treated with oxaliplatin, leucovorin and 5-FU versus those treated with leucovorin and 5-FU for patients with stage II and III rectal cancer.
SECONDARY OBJECTIVES:
- To determine sphincter preservation, tolerance of treatment and patterns of failure.
II. To describe patterns of failures
OTHER PRE-SPECIFIED OBJECTIVES:
I.To prospectively assess rectal function using the Patient Bowel Function/Uniscale questionnaire and the FACT Diarrhea Subscale in patients treated with an adjuvant program of pelvic radiation therapy and chemotherapy.
II. To correlate expression of key targets for 5-FU, leucovorin, oxaliplatin and irinotecan from tumor tissue biopsies with treatment efficacy III. To correlate tumor molecular prognostic markers with survival. IV. To determine physician preference in regard to the radiation-chemotherapy sequence in the Intergroup.
OUTLINE: This is a randomized, multicenter study. Patients are stratified according to ECOG performance status (0 vs 1), chemotherapy/radiotherapy sequence (preoperative vs postoperative), and risk group (high risk [T3, N+, M0 or T4, any N, M0] vs low risk [T1-2, N+, M0 or T3, N0, M0]). Patients are treated in 1 of 2 groups according to physician preference and then randomized to 1 of 3 treatment arms.
GROUP I (preoperative chemoradiotherapy and additional adjuvant chemotherapy): Preoperative chemoradiotherapy: Patients receive 1 of 3 treatment regimens, determined by the treating physician.
REGIMEN A (radiotherapy and fluorouracil): Patients undergo external beam radiotherapy once daily 5 days a week for 5 1/2 weeks (total of 28 fractions). Patients also receive concurrent fluorouracil intravenously (IV) continuously 7 days a week for 5 1/2 weeks.
REGIMEN B (radiotherapy, fluorouracil, and leucovorin calcium): Patients undergo external beam radiotherapy as in regimen A. Patients also receive concurrent fluorouracil IV and leucovorin calcium IV continuously for 4 days on weeks 1 and 5.
REGIMEN C (radiotherapy and capecitabine)*: Patients undergo external beam radiotherapy as in regimen A. Patients also receive concurrent oral capecitabine twice daily for 5 1/2 weeks.
NOTE: *Regimen C is allowed only for patients enrolled on protocol NSABP-R-04.
Surgery: Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection.
Additional adjuvant chemotherapy: Within 21-56 days after complete surgical resection, patients are randomized to 1 of 3 treatment arms.
ARM I: Patients receive irinotecan IV over 90 minutes and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Patients also receive fluorouracil IV continuously over 46 hours beginning on day 1. Treatment repeats every 2 weeks for 8 courses.
ARM II: Patients receive oxaliplatin IV over 2 hours and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Patients also receive fluorouracil IV continuously over 46 hours beginning on day 1. Treatment repeats every 2 weeks for 8 courses.
ARM III: Patients receive leucovorin calcium IV over 2 hours and fluorouracil IV over 1 hour on days 1, 8, 15, 22, 29, and 36. Treatment repeats every 8 weeks for 3 courses.
In all arms, treatment continues in the absence of disease progression or unacceptable toxicity.
GROUP 2 (postoperative chemoradiotherapy and additional adjuvant chemotherapy): Within 21-56 days after complete surgical resection, patients are randomized to 1 of 3 treatment arms.
ARM I: Patients receive irinotecan, leucovorin calcium, and fluorouracil as in group 1, arm I for 4 courses.
ARM II: Patients receive oxaliplatin, leucovorin calcium, and fluorouracil as in group 1, arm II for 4 courses.
ARM III: Patients receive leucovorin calcium and fluorouracil as in group 1, arm III for 1 course.
Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemoradiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III.
Treatment continues in the absence of disease progression or unacceptable toxicity.
Patients are followed every 3 months for 3 years, every 6 months for 2 years, and then annually for 5 years.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 6
| Arm | Type | Receives |
|---|---|---|
| Group I, Arm I | Experimental | Radiation: Radiotherapy, Drug: Fluorouracil, Drug: Leucovorin Calcium, Drug: IrinotecanPatients receive 1 of 3 preoperative chemo and radiotherapy treatment regimens, determined by the treating physician. Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection. Patients receive irinotecan IV over 90 minutes and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Treatment continues in the absence of disease progression or unacceptable toxicity. |
| Group I, Arm II | Experimental | Radiation: Radiotherapy, Drug: Fluorouracil, Drug: Leucovorin Calcium, Drug: OxaliplatinPatients receive 1 of 3 preoperative chemo and radiotherapy treatment regimens, determined by the treating physician. Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection. Patients receive oxaliplatin IV over 2 hours and leucovorin calcium IV over 2 hours followed immediately by fluorourcil IV bolus on day 1. Patients also receive fluorouracil IV continuously over 46 hours beginning on day 1. Treatment repeats every 2 weeks for 8 courses. Treatment continues in the absence of disease progression or unacceptable toxicity. |
| Group I, Arm III | Experimental | Radiation: Radiotherapy, Drug: Fluorouracil, Drug: Leucovorin CalciumPatients receive 1 of 3 preoperative chemo and radiotherapy treatment regimens, determined by the treating physician. Within 21-56 days after the completion of chemoradiotherapy, patients undergo surgical resection. Patients receive leucovorin calcium IV over 2 hours and fluorouracil IV over 1 hour on days 1, 8, 15, 22, 29, and 36. Treatment repeats every 8 weeks for 3 courses. Treatment continues in the absence of disease progression or unacceptable toxicity. |
| Group II, Arm I | Experimental | Radiation: Radiotherapy, Drug: Fluorouracil, Drug: Leucovorin Calcium, Drug: IrinotecanPatients receive irinotecan, leucovorin calcium, and fluorouracil as in group 1, arm I for 4 courses. Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemo and radiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III. Treatment continues in the absence of disease progression or unacceptable toxicity. |
| Group II, Arm II | Experimental | Radiation: Radiotherapy, Drug: Fluorouracil, Drug: Leucovorin Calcium, Drug: OxaliplatinPatients receive oxaliplatin, leucovorin calcium, and fluorouracil as in group 1, arm II for 4 courses. Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemo and radiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III. Treatment continues in the absence of disease progression or unacceptable toxicity. |
| Group II, Arm III | Experimental | Radiation: Radiotherapy, Drug: Fluorouracil, Drug: Leucovorin CalciumPatients receive leucovorin calcium and fluorouracil as in group 1, arm III for 1 course. Within 4 weeks after the completion of chemotherapy, all patients undergo concurrent pelvic chemoradiotherapy as described in group 1 preoperative chemo and radiotherapy Regimen A, B, or C, followed 4-6 weeks later by 4 additional courses of adjuvant chemotherapy for arms I and II and 2 additional courses of adjuvant chemotherapy for arm III. Treatment continues in the absence of disease progression or unacceptable toxicity. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (35 listed)
- Patients must have a completely resected tumor and be within 21-56 days from the date of surgery.
- Patients who received combination chemotherapy/XRT prior to randomization (Group I) must have had a minimum radiation dose of 50.4 Gy.
- Patients must have ECOG performance status 0-1.
- Patients must have adequate renal function (creatinine < 1.5 x ULN) obtained < 4 weeks prior to randomization.
- Patients must have adequate hepatic function (bilirubin < 1.5 x ULN, SGOT (AST) < 3 x ULN) obtained < 4 weeks prior to randomization).
Key exclusion criteria (8 listed)
- Group II (Post-operative) Registration
- Randomization (Groups I and II)
- Patients have an active inflammatory bowel disease or other serious medical illness which might limit the ability of the patient to receive protocol therapy.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| RadiotherapyAlso: Definitive Radiation Therapy, EBRT, External Beam Radiotherapy, external radiationUndergo external beam radiation therapy | Radiation | Group I, Arm I, Group I, Arm II, Group I, Arm III, Group II, Arm I, Group II, Arm II, Group II, Arm III |
| FluorouracilAlso: Efudex, 5-FU, 5-Fluorouracil, AdrucilGiven IV | Drug | Group I, Arm I, Group I, Arm II, Group I, Arm III, Group II, Arm I, Group II, Arm II, Group II, Arm III |
| Leucovorin CalciumAlso: Leucovorin, Wellcovorin, citrovorun factor, folinic acidGiven IV | Drug | Group I, Arm I, Group I, Arm II, Group I, Arm III, Group II, Arm I, Group II, Arm II, Group II, Arm III |
| OxaliplatinAlso: 1-OHP, Dacplat, Eloxatin, EloxatineGiven IV | Drug | Group I, Arm II, Group II, Arm II |
| IrinotecanAlso: Camptosar, CPT-11, Camptothecin-11Given IV | Drug | Group I, Arm I, Group II, Arm I |
Primary outcome
3-year Overall Survival Rate
Time frame: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years, estimated at 3 years
Overall survival (OS) was defined as time from randomization to death from any cause. 3-year OS rate was estimated using Kaplan-Meier method.
3 secondary outcomes
3-year Disease Free Survival
Time frame: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years, estimated at 3 years
Proportion of Sphincter Preservation
Time frame: assessed at primary surgery time
Failure Pattern
Time frame: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Dec 2018.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 41397917Kam AE, Zhao F, Meropol NJ, Giantonio BJ, Diasio RB, Flynn PJ, Catalano P, Hartner L, Rowland KM, Song W, Mulcahy MF, Sinicrope FA, Whitehead RP, Mayer RJ, Petrelli N, O'Dwyer PJ, Hamilton SR, Cella D, Benson AB. Intergroup randomized phase III study of adjuvant FOLFIRI, FOLFOX, or 5-FU/leucovorin for stage II/III rectal cancer: ECOG-ACRIN E3201. Oncologist. 2025 Dec 27;31(1):oyaf416. doi: 10.1093/oncolo/oyaf416.
- Individual participant dataSharing planned: Yes. Individual patient data will be shared upon approval
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Al Benson principal investigator
Eastern Cooperative Oncology Group
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Radiotherapy, Fluorouracil and Leucovorin Calcium in people with Rectal Mucinous Adenocarcinoma and Rectal Signet Ring Cell Adenocarcinoma, run by National Cancer Institute (NCI) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 35 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 4 Dec 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 4 Dec 2018). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
3-year Overall Survival Rate (time frame: assessed every 3 months withihn 2 years of study entry, every 6 monhts between years 3-5 and then annually for 5 years, estimated at 3 years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00068692, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Dec 2018.