Therapeutic Efficacy of Topical Sirolimus in Early Stage Cutaneous T-cell Lymphoma (CTCL)

June 3, 2015 updated by: Stefan Schieke MD
The purpose of this study is to determine whether sirolimus reduces the symptoms of cutaneous T-cell lymphoma (CTCL) and whether it causes any side effects.

Study Overview

Status

Withdrawn

Intervention / Treatment

Detailed Description

This will be a prospective, non-randomized, open label study of topical sirolimus for the treatment of CTCL recurrent or refractory to at least one previous skin directed treatment. The purpose will be evaluation of safety and anti-tumor response as evaluated by serial skin examinations.

Study duration:

For subjects with at least partial remission, treatment will be continued for a maximum of 6 months. All subjects will be followed for 6 months from the time of discontinuation of the study drug or until progression of disease or until a new treatment for CTCL will be started.

Study Type

Interventional

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Wisconsin
      • Milwaukee, Wisconsin, United States, 53226
        • Froedtert Hospital and the Medical College of Wisconsin

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Clinically and histologically confirmed diagnosis of CTCL (early stage disease with patches and/or thin plaques covering up to 10%, stage IA)
  • Relapsed or refractory disease after at least one standard skin directed treatment including corticosteroids, topical bexarotene, phototherapy
  • All subjects must be 18 years of age or older
  • Life expectancy ≥ 6 months, determined by the treating physician
  • Signed informed consent

Exclusion Criteria:

  • Patients currently receiving anticancer therapies or who have received anticancer therapies within 4 weeks of the start of study drug (including topical or systemic glucocorticosteroids, chemotherapy, radiation therapy, antibody based therapy, etc.)
  • Prior treatment with any investigational drug within the preceding 4 weeks
  • Patients receiving chronic, systemic treatment with corticosteroids or another immunosuppressive agent.
  • Female patients who are pregnant or breast feeding, or adults of reproductive potential who are not using effective birth control methods. Adequate contraception (oral contraceptives ("the pill"), intrauterine devices (IUDs), contraceptive implants under the skin, or contraceptive injections, diaphragms with spermicide and condoms with foam) must be used throughout the trial and for 8 weeks after the last dose of study drug (women of childbearing potential must have a negative urine within 7 days prior to administration of sirolimus).
  • Patients who have received prior treatment with an mTOR inhibitor (e.g., sirolimus, temsirolimus, everolimus).
  • Patients with a known hypersensitivity to sirolimus or other rapamycin (e.g., everolimus, temsirolimus) or to its excipient
  • History of noncompliance to medical regimens
  • Patients unwilling to or unable to comply with the protocol

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Sirolimus 0.1% ointment
Sirolimus 0.1% ointment will be applied topically to all affected areas of the skin twice daily for 6 months or until progression or unacceptable toxicity.
Other Names:
  • Rapamune, sirolimus, rapamycin

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall Response Rate
Time Frame: 6 months

Determine the efficacy of topical sirolimus in the treatment of early stage CTCL as overall response rate (ORR)

Response criteria:

Complete response (CR) will be defined as no evidence of clinical skin disease.

Partial response (PR) will be defined as a marked improvement in skin disease of > 50% from baseline without new lesions.

Stable disease (SD) will be defined as < 25% increase and < 50% clearance in skin disease from baseline without new lesions.

Progressive disease (PD) will be defined as > 25% increase in skin disease from baseline or new tumors or loss of response in those with CR or PR (increase in skin score of greater than the sum of nadir plus 50% baseline score).

The assessment will be based on Composite Assessment of Index Lesion Severity (CAILS) and, in case of more extensive disease, Modified Severity-Weighed Assessment Tool (mSWAT) scores.

6 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Duration of objective response (DOR)
Time Frame: 6 months
Duration of objective response (DOR) - time from the first date of response until progression of disease or death due to the underlying lymphoma.
6 months
Adverse event profile and tolerability of topical sirolimus in patients with CTCL
Time Frame: 6 months

The safety and tolerability of the study treatment regimen will be evaluated. Analyses will be descriptive and no formal hypothesis testing will be performed.

Safety endpoints will include treatment related adverse events. All reported adverse events will be graded using version 4.0 of the Common Terminology Criteria for Adverse Events (CTCAE v4.0).

All adverse events recorded during the study will be summarized. The incidence of adverse events will be summarized by body system, severity (based on CTCAE grades), type of adverse event, and relation to the study drug. Deaths reportable as SAEs and non-fatal serious adverse events will be listed by patient and type of adverse event. Adverse events will be summarized by presenting the number and percentage of patients having any adverse event in each body system and having each individual adverse event.

6 months
Correlative biomarkers such as mTOR pathway activation at baseline and during treatment
Time Frame: 6 months

• Activation level of the mammalian target of rapamycin (mTOR) pathway, quantification of regulatory T cells (Tregs), cytokine profile in tissue samples. This part of the study will characterize the molecular events and mechanisms involved in the effect of sirolimus on CTCL. These studies will be performed in tissues samples from skin biopsies of patients upon study entry and during the study.

  1. mTOR pathway activity in skin:

    Assessment of phosphorylation status and expression level of downstream targets of mTOR with direct effects on cellular proliferation and growth. Those may include:

    • phospho-S6
    • phospho-4-EBP1
    • cyclin D1 levels
  2. Number of skin resident Tregs:

    Quantification of regulatory T cells characterized by surface marker expression pattern (CD4+, CD25+, FOXP3+) in tissue samples by immunohistochemistry and/or PCR/flow cytometry.

  3. Cytokine profile in skin:

Characterization of cytokine profile in lesional skin will be done by cytokine PCR arrays.

6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Stefan Schieke, MD, Medical College of Wisconsin

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

February 1, 2014

Primary Completion (Anticipated)

May 1, 2015

Study Completion (Anticipated)

December 1, 2015

Study Registration Dates

First Submitted

April 24, 2013

First Submitted That Met QC Criteria

April 30, 2013

First Posted (Estimate)

May 1, 2013

Study Record Updates

Last Update Posted (Estimate)

June 4, 2015

Last Update Submitted That Met QC Criteria

June 3, 2015

Last Verified

June 1, 2015

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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