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Rectal CancerPhase 1/2NCT02010567

Neoadjuvant Chemoradiotherapy With CRLX-101 and Capecitabine for Rectal Cancer

A Phase 1/2 study testing CRLX101, Capecitabine and Radiotherapy in people with Rectal Cancer, run by UNC Lineberger Comprehensive Cancer Center at 6 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This trial will enroll patients with locally advanced rectal cancer (resectable and non-resectable).The phase Ib dose escalation portion of trial is designed to determine the maximum tolerated dose (MTD) of CRLX101 when combined with standard neoadjuvant therapies capecitabine (Cape) and radiation therapy (XRT). Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Rectal Cancer
What is being tested?
CRLX101, Capecitabine and Radiotherapy
Could I receive a placebo?
No, everyone receives an active treatment
How many people
32 participants
Where
6 sitesUnited States
Study dates
Dec 2013to 25 Jun 2019
Phase
Phase 1/2
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

  • Eastern Cooperative Oncology Group (ECOG) performance score ≤ 2
  • Phase Ib and II: surgical candidates, with moderate to high-risk pathologically-confirmed rectal cancer (Tumor (T) and Nodal (N) stage cT3-4N0 or cT1-4N+); clinical staging by endoscopic ultrasound (EUS) or magnetic resonance imaging (MRI) is permitted.
  • Phase Ib only:
  • Patients with metastatic rectal cancer are allowed if their primary site meets other eligibility criteria and chemoradiotherapy is recommended as initial therapy for symptom palliation by the multidisciplinary treating team
  • Patients with locally advanced unresectable rectal cancer are allow provided:
  • There is no evidence of recto-vaginal, recto-vesicular, recto-intestinal fistulization
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  • Standard dose and schedule chemoradiotherapy is recommended as initial therapy by the multidisciplinary treating team
  • Age ≥18 years old
  • Women of childbearing potential (WOCBP) must have negative pregnancy test within 7 days prior to D1 of treatment
  • Recommendation to undergo concurrent chemoradiation, as determined by the treating physician
  • Ability to swallow oral medications
  • As determined by the enrolling physician or protocol designee, ability of the patient to understand and comply with study procedures for the entire length of the study
  • Informed consent reviewed and signed

Who cannot join

  • Patients meeting any of the following exclusion criteria will not be able to participate in this study:
  • Grade 2 or higher diarrhea at baseline unless deemed by the investigator to be caused by laxatives prescribed for symptomatic partial obstruction (e.g. MiraLAX®)
  • Not deemed a candidate for concurrent chemoradiation for medical reasons, such as uncontrolled infection (including HIV), uncontrolled diabetes mellitus or cardiac disease which, in the opinion of the treating physician, would make this protocol unreasonably hazardous for the patient.
  • Specific laboratory exclusion values, including:
  • Hemoglobin < 10.0 g/dL for males and ≤ 9.0 g/dL for females (transfusion allowed to achieve or maintain levels)
  • Absolute neutrophil count (ANC) < 1,500/mm3
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  • Platelet count < 100,000/mm3
  • Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) > 2.5 times upper level of normal (ULN)
  • Alkaline phosphatase > 2.5 times ULN
  • Total bilirubin > 1.5 times ULN
  • Creatinine clearance < 50 mL/min
  • International normalized ratio (INR) >2
  • Known dihydropyrimidine dehydrogenase (DPD) deficiency
  • History of Gilbert's syndrome
  • Those who require therapeutic anticoagulation with coumarin-derivative anticoagulants
  • Unable to provide informed consent
  • Receiving any other concurrent cytotoxic, biologic agent(s) or investigational agent
  • Patients with a "currently active" second malignancy other than non-melanoma skin cancers, non-invasive bladder cancer, "low risk" adenocarcinoma of the prostate and carcinoma in situ of the cervix. Patients are not considered to have a "currently active" malignancy if they have completed therapy and are free of disease for ≥ 2 years.
  • Previous pelvic radiation therapy
  • Prior treatment with a topoisomerase I inhibitor (i.e. irinotecan, topotecan)

Trial locations and contacts

6 sites in 1 country.

6 sites in 1 country

United States6 sites
  • University of North Carolina

    Chapel Hill, North Carolina, 27599

  • Rocky Mountain Cancer Center

    Denver, Colorado, 80218

  • Indiana University Simon Cancer Center

    Indianapolis, Indiana, 46202

  • Rex Cancer Center at Rex Hospital

    Raleigh, North Carolina, 27607

  • Swedish Cancer Institute

    Seattle, Washington, 98104

  • Wake Forest University Comprehensive Cancer Center

    Winston-Salem, North Carolina, 27157

Other trials in United States

About this study

Official title: Phase Ib/II Study of Neoadjuvant Chemoradiotherapy With CRLX-101 and Capecitabine for Locally Advanced Rectal Cancer

This trial will enroll patients with locally advanced rectal cancer (resectable and non-resectable).The phase Ib dose escalation portion of trial is designed to determine the maximum tolerated dose (MTD) of CRLX101 when combined with standard neoadjuvant therapies capecitabine (Cape) and radiation therapy (XRT). CRLX101 is a nanopharmaceutical (NP) formulation of camptothecin. These results will determine the recommended phase II dose (RP2D) for CRLX101 in this setting. The phase II portion of the trial is designed to evaluate the efficacy and safety of CRLX101 at the RP2D, when combined with capecitabine and radiation therapy prior to surgery.

Read the detailed description

This is an open label, single-arm, multi-center, Phase Ib/II study designed to evaluate CRLX101, which is a NP formulation of camptothecin, dosed in combination with capecitabine and radiation therapy in patients with advanced rectal carcinoma.

The purpose of the Phase Ib portion of this study is to identify the MTD of CRLX101 when added to standard neoadjuvant chemo-radiotherapy. The MTD will be based on the rate of dose-limiting toxicity (DLT) in Phase Ib, and will be assessed via NCI's CTCAE v4.0 toxicity criteria. The MTD will be assigned as the RP2D in this trial.

If CRLX101 can be safely administered in combination with capecitabine and radiation at doses >/= 9 mg/m^2 IV in the Phase Ib study, then the trial will proceed to Phase II. Patients in the Phase Ib study will be included in the Phase II outcome analyses when applicable. The phase II study is designed to evaluate the efficacy of this regimen by assessing the rate of pathological complete response (pCR) while monitoring safety and tolerability.

We anticipate accrual of up to 25 patients per year for the Phase II study, with a slightly faster accrual of 2-3 patients per month for Phase Ib given the broader inclusion criteria.

During Phase Ib, we will evaluate the safety and determine the MTD/RP2D of CRLX101 + capecitabine (Cape) and radiation therapy (XRT) in patients with rectal cancer using the traditional 3+3 dose escalation design. Adverse events (AEs) will be evaluated via the CTCAE version 4.0. Patients in Phase Ib will also be followed for pathological response if they have resectable disease.

If CRLX101 can be safely administered in combination with capecitabine and radiation at doses >/=9 mg/m^2 IV in the Phase Ib study, then the trial will proceed to Phase II with a primary objective of estimating the rate of pCR. Non-metastatic patients with resectable disease and treated at the MTD/RP2D in Phase Ib will be included in the Phase II study population.

In Phase II, CRLX101 will be administered at the RP2D in combination with capecitabine and radiation in patients with locally advanced rectal cancer for a total of 5-6 weeks, depending on the total radiation dose. A total of 3 doses of CRLX101 will be administered every other week. Surgery will take place at least 6 weeks after the completion of chemoradiotherapy.

For our non-metastatic Phase I patients and our Phase II population, postoperative adjuvant therapy is indicated regardless of whether a pCR is achieved or not. While there are a number of regimens used in the adjuvant setting, national guidelines do not specify one of these regimens over the other. Given the consistent application of adjuvant therapies in this population, we also plan to follow Phase II patients for both disease free survival (DFS) and overall survival (OS).

Conditions
Rectal Cancer
Being tested
CRLX101, Capecitabine, Radiotherapy, Surgery
Keywords
rectal cancer, colorectal cancer, locally advanced rectal cancer, locally advanced rectal cancer (resectable), locally advanced rectal cancer (non-resectable), chemoradiotherapy, nanopharmaceutical, CLRX101, camptothecin, capecitabine
Medical subject headings
Rectal Neoplasms, Colorectal Neoplasms

What participants receive

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

  • CRLX101Drug

    CRLX101 is an experimental nanoparticle formulation of the anticancer agent camptothecin manufactured by Cerulean Pharma Inc..

  • CapecitabineDrug

    Also called Xeloda

    Capecitabine is an oral fluoropyrimidine pro-drug, metabolically converted to 5-fluorouracil after administration. It is indicated as adjuvant treatment in patients with stage III colorectal cancer (Dukes' C colon cancer), and as first-line treatment of metastatic colorectal cancer.

  • RadiotherapyRadiation

    Also called Intensity Modulated Radiation Therapy, IMRT

    This protocol allows physician discretion as to the use of Intensity Modulated Radiation Therapy (IMRT) or 3D conformal planning techniques.

    Radiation begins on Day1 of neoadjuvant chemotherapy and continues for 28 (if <T4) or 30 (T4 disease) consecutive weekdays. Patient will receive 1.8 Gy daily fractions of radiotherapy without a break except for weekends and holidays.

    Dose is to be prescribed to an isodose surface that encompasses the planning target volume (PTV) and that satisfies the dose uniformity guidelines below. The minimum dose to PTV 1 and PTV 2 shall be no less than 95% of the protocol specified dose for that volume.

  • SurgeryProcedure or surgery

    Also called Resection, Surgical resection

    Surgery will take place at least 6 weeks post completion of chemoradiotherapy in patients with resectable disease; tissue from surgical resection will be preserved for correlative studies in those patients who do not achieve a pCR.

Study groups in NCT02010567
Study groupRoleWhat they receive
CLRX101 MTD/RP2DExperimentalDuring Phase Ib, we will evaluate the safety and determine the MTD/RP2D of CRLX101 + capecitabine (Cape) and radiation therapy (XRT) in patients with rectal cancer using the traditional 3+3 dose escalation design. Adverse events (AEs) will be evaluated via the CTCAE version 4.0. Patients in Phase Ib will also be followed for pathological response if they have resectable disease.
Receives: Drug: CRLX101; Drug: Capecitabine; Radiation: Radiotherapy
Chemoradiotherapy + SurgeryExperimentalIn Phase II, CRLX101 will be administered at the RP2D in combination with capecitabine and radiation in patients with locally advanced rectal cancer for a total of 5-6 weeks, depending on the total radiation dose. A total of 3 doses of CRLX101 will be administered every other week. Surgery will take place at least 6 weeks after the completion of chemoradiotherapy.
Receives: Drug: CRLX101; Drug: Capecitabine; Radiation: Radiotherapy; Procedure: Surgery

What is being measured

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

  1. Maximum Tolerated Dose (MTD) of CRLX101 When Added to Standard Neoadjuvant Chemoradiotherapy Consisting of Capecitabine + Radiotherapy in Locally Advanced Rectal Cancer

    The MTD is the highest dose of CRLX101 at which ≤1 out of 6 patients had a dose limiting toxicity (DLT) using CTCAE v4.0 toxicity criteria. DLTs include Grade (G) >3 neutropenia for ≥7 days; G 3 or 4 neutropenia with fever; G 4 anemia not related to cancer-associated bleeding; G 4 thrombocytopenia or G 3 with clinically significant bleeding; G ≥3 nausea or vomiting >48 hours despite anti-emetics; G 2 cystitis not resolved within 14 days; second G 2 cystitis; G 3 or 4 cystitis; diarrhea requiring dose reduction; Any other non-hematologic toxicity G ≥3 requiring a dose reduction (G ≥3 infusion-related reactions were not a DLT unless they recur despite slowing down the infusion); Other CRLX101 related treatment emergent adverse effect (TEAE) that requires patient withdrawal prior to completing all doses; Radiotherapy interruption due to TEAEs ≥5 days; or Dose interruption or reduction of capecitabine due to TEAE that results in <50% of the scheduled capecitabine dose for entire course

    Measured: 12 weeks

  2. Pathological Complete Response (pCR) Rate

    Primary Objective Phase II: Pathological response will be made based on microscopic assessment of the surgical specimen at the primary treatment site. A pCR must include no gross or microscopic tumor identified anywhere within the surgical specimen. This must include:No evidence of malignant cells in the primary tumor specimen and No lymph nodes that contain tumor.

    Measured: 12 weeks

Secondary outcomes (6)
  1. Pathological Response Rate

    Pathologic response will be made based on microscopic assessment of the surgical specimen at the primary treatment site, including regional nodes and any peritumoral satellite nodules in the specimen, and categorized as outlined below as per the American Joint Committee on Cancer (AJCC) Cancer Staging Manual 7th edition.Determination of pathological response will be reported by the local pathologist.

    • Pathologic Complete Response (pCR): No gross or microscopic tumor identified anywhere within the surgical specimen. This must include: No evidence of malignant cells in the primary tumor specimen and No lymph nodes that contain tumor.
    • Moderate response: Single cells or small groups of cancer cells
    • Minimal response: Residual cancer outgrown by fibrosis
    • Poor response:Minimal or no tumor kill; extensive residual cancer

    Measured: 12 weeks

  2. Number of Participants With Grade 3 or Higher, Treatment-related Toxicities

    Toxicity profile of CRLX101 when combined with capecitabine + radiotherapy to treat patients with locally advanced rectal cancer. Phase Ib and Phase II - Safety is the reported adverse event (AE) profile characterized by NCI CTCAE v4.0. The profile was limited to grade 3 or higher, treatment related AEs.

    Measured: 12 weeks

  3. Disease-free Survival (DFS) Rate

    Phase II only - DFS will be defined as the time from surgical resection until disease recurrence or death as a result of any cause, reported as the count of participants still alive without recurrence at the end of study follow-up.

    Measured: An average of 2.6 years (full range 2.1 to 3.1 years)

  4. Overall Survival (OS) Rate

    Phase II only - OS is defined as the time from surgical resection until death reported as the count of participants still alive at the end of study follow-up.

    Measured: an average of 2.6 years (full range 2.1 to 3.1 years)

  5. Disease-free Survival (DFS) Rate Based on Pathological Complete Response (pCR).

    Phase II only - a comparison of DFS for patients who achieve pCR and those who do not. DFS will be defined as the time from surgical resection until disease recurrence or death as a result of any cause, reported as the count of participants still alive without recurrence at the end of study follow-up.

    Measured: an average of 2.6 years (full range 2.1 to 3.1 years)

  6. Overall Survival (OS) Based on Pathological Complete Response (pCR).

    Phase II only - a comparison of OS for patients who achieve pCR and those who do not. OS is defined as the time from surgical resection until death reported as the count of participants still alive at the end of study follow-up.

    Measured: an average of 2.6 years (full range 2.1 to 3.1 years)

Timeline

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

  1. First posted12 Dec 2013 (estimated)
  2. Study startDec 2013
  3. Primary completion16 Sep 2016
  4. Study completion25 Jun 2019

Why it stopped: The study was halted prematurely at the funding partner's request.

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 1/2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
32 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02010567
Sponsor's protocol ID
LCCC 1315
Status last verified
Oct 2020
First submitted
9 Dec 2013
Last updated
3 Nov 2020
Data monitoring committee
Yes

Publications

  • Sanoff HK, Moon DH, Moore DT, Boles J, Bui C, Blackstock W, O'Neil BH, Subramaniam S, McRee AJ, Carlson C, Lee MS, Tepper JE, Wang AZ. Phase I/II trial of nano-camptothecin CRLX101 with capecitabine and radiotherapy as neoadjuvant treatment for locally advanced rectal cancer. Nanomedicine. 2019 Jun;18:189-195. doi: 10.1016/j.nano.2019.02.021. Epub 2019 Mar 8.

    PubMed 30858085
  • Tian X, Nguyen M, Foote HP, Caster JM, Roche KC, Peters CG, Wu P, Jayaraman L, Garmey EG, Tepper JE, Eliasof S, Wang AZ. CRLX101, a Nanoparticle-Drug Conjugate Containing Camptothecin, Improves Rectal Cancer Chemoradiotherapy by Inhibiting DNA Repair and HIF1alpha. Cancer Res. 2017 Jan 1;77(1):112-122. doi: 10.1158/0008-5472.CAN-15-2951. Epub 2016 Oct 26.

    PubMed 27784746

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing CRLX101, Capecitabine and Radiotherapy in people with Rectal Cancer, run by UNC Lineberger Comprehensive Cancer Center at 6 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?

The sponsor lists 13 inclusion and 20 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: stopped early, as of the sponsor's last update on 3 Nov 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 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 combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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?

Yes. Results are posted in the registry (first posted 14 Nov 2017). 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?

Maximum Tolerated Dose (MTD) of CRLX101 When Added to Standard Neoadjuvant Chemoradiotherapy Consisting of Capecitabine + Radiotherapy in Locally Advanced Rectal Cancer (time frame: 12 weeks). The study lists 2 primary outcomes in all. 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 NCT02010567, which also lists 2 linked publications.

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 3 Nov 2020.

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