AzTrials
AzTrials

Colorectal CancerPhase 2NCT00336960

Celecoxib, Fluorouracil, and Radiation Therapy in Treating Patients With Stage II or Stage III Rectal Cancer That Can Be Removed By Surgery

A Phase 2 study testing celecoxib, fluorouracil and conventional surgery in people with Colorectal Cancer, run by Vanderbilt-Ingram Cancer Center at 2 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

RATIONALE: Celecoxib may stop the growth of tumor cells by blocking blood flow to the tumor and by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as fluorouracil, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Colorectal Cancer
What is being tested?
celecoxib, fluorouracil and conventional surgery
Could I receive a placebo?
No, everyone receives an active treatment
How many people
24 participants
Where
2 sitesUnited States
Study dates
Jul 2002to Mar 2008
Phase
Phase 2
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

DISEASE CHARACTERISTICS:

  • Histologically confirmed primary adenocarcinoma of the rectum
  • Stage II or III disease
  • Distal border of tumor must be at or below the peritoneal reflection
  • Distal border of the tumor must be within 12 cm of the anal verge by proctoscopic exam
  • Tumor must be clinically resectable
  • Transmural penetration beyond muscularis propria by transrectal ultrasound
  • No high-grade obstruction
  • No evidence of metastatic disease

PATIENT CHARACTERISTICS:

  • Karnofsky performance status 60-100%
  • WBC ≥ 4,000/mm³
  • Platelet count ≥ 150,000/mm³
  • Not pregnant or nursing
  • Negative pregnancy test
  • Fertile patients must use effective contraception
  • No other serious medical illness or psychiatric condition that would preclude study treatment
  • No history of allergy to celecoxib or any other NSAIDs
  • No history of allergy to sulfonamides
  • No prior or concurrent malignancy except inactive noninvasive cervical carcinoma or skin cancer (excluding melanoma) or other cancer that has been disease free for ≥ 5 years

PRIOR CONCURRENT THERAPY:

  • No prior radiotherapy to the pelvis
  • At least 7 days since prior and no other concurrent COX-2 inhibitors or nonsteroidal anti-inflammatory drugs (NSAIDs)
  • No concurrent warfarin except low-dose warfarin (1 mg/day)

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Veterans Affairs Medical Center - Tennessee Valley Healthcare System - Nashville Campus

    Nashville, Tennessee, 37212

  • Vanderbilt-Ingram Cancer Center

    Nashville, Tennessee, 37232-5671

Other trials in United States

About this study

Official title: Phase II Pilot Study of Pre-Operative Celecoxib (Celebrex) in Combination With Prolonged Venous Infusion 5FU and Radiation Therapy for Patients With Stage II/III Resectable Rectal Cancer

RATIONALE: Celecoxib may stop the growth of tumor cells by blocking blood flow to the tumor and by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as fluorouracil, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Radiation therapy uses high-energy x-rays to kill tumor cells. Celecoxib may make tumor cells more sensitive to radiation therapy. Giving celecoxib together with fluorouracil and radiation therapy before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed.

PURPOSE: This phase II trial is studying how well giving celecoxib together with fluorouracil and radiation therapy works in treating patients with stage II or stage III rectal cancer that can be removed by surgery.

Read the detailed description

OBJECTIVES:

  • Determine cyclo-oxygenase-2 (COX-2) overexpression in patients with resectable stage II or III rectal cancer treated with neoadjuvant celecoxib, fluorouracil, and radiotherapy.
  • Determine whether administration of celecoxib, a COX-2 inhibitor, results in changes in tumor (COX-2 overexpressing) levels of eicosanoids but not in the surrounding normal tissue.
  • Determine if there is a greater change in protein and gene expression in post-treatment biopsies when compared to pretreatment biopsies that are greater for tumor (COX-2 overexpression) than in surrounding normal tissue.
  • Determine whether patients who express the greatest degree of change in gene and protein expression are those most likely to respond to therapy.
  • Assess the toxicities of concurrent treatment with celecoxib, fluorouracil, and radiotherapy.

OUTLINE: This is a pilot study.

Patients receive oral celecoxib twice daily beginning 5 days prior to radiotherapy and continuing until completion of radiotherapy. Patients undergo radiotherapy 5 days a week for 5 weeks. Patients also receive concurrent fluorouracil IV continuously for 5 weeks. Patients undergo radical resection 4-10 weeks after completion of chemoradiotherapy.

Patients undergo tumor biopsy at baseline and then at the time of surgical resection. Patients also undergo blood and urine collection at baseline, 5 days after initiation of celecoxib, 7 days after initiation of celecoxib in combination with fluorouracil and radiotherapy, and at the time of surgical resection. The specimens are evaluated for COX-2 expression, eicosanoid production, and gene and protein expression using immunohistochemistry, microarray, and mass spectrometry.

After completion of study treatment, patients are followed every 3 months for 2 years, every 6 months for 3 years, and then annually thereafter.

PROJECTED ACCRUAL: Approximately 28 patients will be accrued for this study.

Being tested
celecoxib, fluorouracil, conventional surgery, radiation therapy, tumor biopsy
Keywords
stage II rectal cancer, stage III rectal cancer, adenocarcinoma of the rectum
Medical subject headings
Colorectal Neoplasms, Rectal Neoplasms

What participants receive

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

  • celecoxibDrug

    twice daily beginning 5 days prior to radiotherapy and continuing until completion of radiotherapy

  • fluorouracilDrug

    Patients receive concurrent fluorouracil IV continuously for 5 weeks.

  • conventional surgeryProcedure or surgery

    4-10 weeks after completion of chemoradiotherapy

  • radiation therapyRadiation

    Patients undergo radiotherapy 5 days a week for 5 weeks

  • tumor biopsyProcedure or surgery

    at baseline and then at the time of surgical resection

  • laboratory biomarker analysisOther

    blood and urine collected at baseline, 5 days after initiation of celecoxib, 7 days after initiation of celecoxib in combination with fluorouracil and radiotherapy, and at the time of surgical resection. specimens are evaluated for COX-2 expression, eicosanoid production, and gene and protein expression using immunohistochemistry, microarray, and mass spectrometry.

Study groups in NCT00336960
Study groupRoleWhat they receive
treatment interventionExperimentalNot described
Receives: Drug: celecoxib; Drug: fluorouracil; Procedure: conventional surgery; Radiation: radiation therapy; Procedure: tumor biopsy; Other: laboratory biomarker analysis

What is being measured

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

  1. Pathologic complete response rate

    Measured: at time of surgery, day 5

Secondary outcomes (4)
  1. Complete resection rate

    Measured: at time of surgery, day 5

  2. Patterns of failure

    Measured: during study, beginning day 5 forward

  3. Survival

    Measured: at time of death

  4. Toxicity

    Measured: 5 days before surgery & 5 days after surgery

Timeline

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

  1. First posted15 Jun 2006 (estimated)
  2. Study startJul 2002
  3. Primary completionNov 2004
  4. Study completionMar 2008

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 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
24 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00336960
Sponsor's protocol ID
VICC GI 0173
Other IDs
P50CA095103, P30CA068485, VICC-GI-0173, VICC-020031
Status last verified
Mar 2013
First submitted
13 Jun 2006
Last updated
5 Mar 2013
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing celecoxib, fluorouracil and conventional surgery in people with Colorectal Cancer, run by Vanderbilt-Ingram Cancer Center at 2 sites 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?

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 5 Mar 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Pathologic complete response rate (time frame: at time of surgery, day 5). 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 5 Mar 2013.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in