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Rectal CancerPhase 3NCT01941979

A Study Comparing Adjuvant Chemotherapy Versus Observation for Patients With Rectal Adenocarcinoma After Neoadjuvant Chemo-Radiotherapy Treatment.

A Phase 3 study testing 5-FU, Capecitabine, Oxaliplatin, Leucovorin. in people with Rectal Cancer, run by Instituto do Cancer do Estado de São Paulo at 1 site in Brazil.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Surgery is the most indicated curative treatment for rectal cancer when disease is diagnosed early, however local recurrence risk increases when the disease is diagnosed at advanced stage.T1-2 tumors have a recurrence rate lower than 10%, while T3N0 tumors have 15% - 35% and positive lymph nodes T3-4 45% to 67% of… Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Rectal Cancer
What is being tested?
5-FU, Capecitabine, Oxaliplatin, Leucovorin.
Could I receive a placebo?
No, everyone receives an active treatment
How many people
309 participants
Where
1 siteBrazil
Study dates
Sep 2011to Sep 2016
Phase
Phase 3
Are there results?
None posted in the registry

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 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosis of adenocarcinoma rectal stages T3 - 4, N0-1 and M0 - according to TNM staging system (primary tumor, regional nodes, metastasis), previously treated with neoadjuvant chemo-radiotherapy according to institutional routine.
  • Tumor with clinical end radiological incomplete response after neoadjuvant therapy, according to institutional routine, and completely resection by mesorectal excision with clear margins technique.
  • No more than 8 weeks after the surgery.
  • Normal result of CEA in compared to the pre randomization results (28 days of window)
  • Age ≥ 18 years and ≤ 75 years.
  • Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
Show all 15Show fewer
  • Adequate organ function during screening (28 days of window)
  • , defined as:
  • Serum aspartate aminotransferase (AST) and amino alanine transferase (ALT) ≤ 2.5 × Upper Limit of Normal(ULN)
  • Serum total bilirubin ≤ 2.0 × ULN
  • Absolute neutrophil count ≥ 1500 /mm3
  • Platelet count ≥ 100000 /mm3
  • Hemoglobin ≥ 8.0 g/dL
  • Serum creatinine ≥ 1.5 × ULN
  • Signed written informed consent

Who cannot join

  • Patients who presented unacceptable toxicity or intolerance to neoadjuvant combination therapy.
  • Patients with surgical complications that prevent them from receiving adjuvant therapy for up to 8 weeks after surgery;
  • Compromised surgical margins.
  • Confirmation or strong suspicion of Lynch syndrome.
  • History of serious illness or psychiatric clinic.
  • Patients who participate in other protocols with experimental drugs.
  • For female patients, current pregnancy and/or lactation.

Trial locations and contacts

1 site in 1 country.

Rachel S.P. Riechelmann, MD contact

55 11 38932000

pesquisa.clinica@icesp.org.br

Brazil1 site, 1 recruiting
  • ICESP

    São Paulo, São Paulo, 01246000

    Rachel SP Riechelmann, MD, 55 11 38932000, pesquisa.clinica@icesp.org.br

    Rachel SP Riechemann, MD

    Recruiting

Other trials in Brazil

About this study

Official title: A Phase III, Randomized Study of Adjuvant Chemotherapy for Patients With Rectal Adenocarcinoma Who Achieved Suboptimal Response After Neoadjuvant Chemo-radiotherapy.

Surgery is the most indicated curative treatment for rectal cancer when disease is diagnosed early, however local recurrence risk increases when the disease is diagnosed at advanced stage.T1-2 tumors have a recurrence rate lower than 10%, while T3N0 tumors have 15% - 35% and positive lymph nodes T3-4 45% to 67% of recurrence rate within 5 years. These data indicate that patient who have a high risk of tumor recurrence should receive an adjuvant therapy treatment.

It is possible that adjuvant chemotherapy has a positive impact on survival of patients already treated with neoadjuvant combination therapy. However it is necessary to identify those patients that might have this benefit.

Read more

An exploratory analysis of the European Organization for Research and Treatment of Cancer (EORTC) 22921 study showed that the addition of adjuvant chemotherapy has benefited only the group of patients who had a reduction of tumor stage to ypT0-2. In the group who had no reduction (ypT3-4), there was no benefit. Retrospective analyzes suggest that the response to neoadjuvant chemoradiotherapy is a predictor of prognosis and even benefit to adjuvant chemotherapy. However the benefit of adjuvant chemotherapy for patients with rectal cancer remains controversial. Therefore, a randomized trial is needed to answer this question.

Based on these data the investigators proposed a phase III study, randomized, unblinded, adjuvant chemotherapy based on Fluorouracil(5-FU) and Oxaliplatin versus observation in patients with rectal adenocarcinoma T3-4, N0-1, M0 previously treated with neoadjuvant chemoradiotherapy and who did not presented complete response. The investigator believes that this subgroup of patients, who have not achieved complete response, will be benefit from adjuvant therapy.

Study objective:

The main objective of this study is verify if adjuvant chemotherapy with 5-FU and oxaliplatin, for 4 months, increases recurrence-free survival versus the observation. Secondary objectives include the evaluation of toxicity, overall survival and assessment of biomarkers (study protocol separately).

The study's primary endpoint is disease-free survival (DFS) to be defined as time from randomization to radiological detection of distant disease and / or locoregional recurrence. Isolate carcinoembryonic antigen (CEA) increase will not be consider as recurrence until a new measurable lesion be found.

NOTE: The TNM system is based on the size and/or extent (reach) of the primary tumor (T), the amount of spread to nearby lymph nodes (N), and the presence of metastasis (M) or secondary tumors formed by the spread of cancer cells to other parts of the body.

Conditions
Rectal Cancer
Being tested
5-FU, Capecitabine, Oxaliplatin, Leucovorin.
Medical subject headings
Rectal Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 5-FU, Capecitabine, Oxaliplatin, Leucovorin.Drug

Study groups in NCT01941979
Study groupRoleWhat they receive
Adjuvant therapyExperimental5-FU, Leucovorin and Oxaliplatine (FLOX) OR Capecitabine and Oxaliplatin (CAPOX) NOTE: If the patient was randomized for the arm experimental, the investigator can choose between intravenous (IV) treatment or oral treatment (PO). Both are considered equal by the principal investigator.
Receives: Drug: 5-FU, Capecitabine, Oxaliplatin, Leucovorin.
ObservationNo interventionNot described

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Disease free survival

    Measured: Thorax, abdome, and pelvis tomography Every 6 month up to 3 years and anualy up to 5 years.

Secondary outcomes (1)
  1. Overall survival

    Measured: 36 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Sep 2013 (estimated)
  2. Study startSep 2011
  3. Primary completionSep 2015 (estimated)
  4. Study completionSep 2016 (estimated)

Resources

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
309 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01941979
Sponsor's protocol ID
NP-113/2011
Status last verified
Oct 2014
First submitted
4 Sep 2013
Last updated
30 Oct 2014
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing 5-FU, Capecitabine, Oxaliplatin, Leucovorin. in people with Rectal Cancer, run by Instituto do Cancer do Estado de São Paulo at 1 site in Brazil.

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 15 inclusion and 7 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: status not confirmed, as of the sponsor's last update on 30 Oct 2014. 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 Brazil. 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?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Rachel S.P. Riechelmann, MD (55 11 38932000, pesquisa.clinica@icesp.org.br), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Disease free survival (time frame: Thorax, abdome, and pelvis tomography Every 6 month up to 3 years and anualy up to 5 years.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 30 Oct 2014.

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