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Doxepin Hydrochloride in Treating Esophageal Pain in Patients With Thoracic Cancer Receiving Radiation Therapy to the Thorax With or Without Chemotherapy

Brief Summary

This randomized pilot clinical trial studies the effects of taking doxepin hydrochloride as compared to placebo (inactive drug) in treating esophageal pain in patients with cancer located in the chest area receiving radiation therapy to the thorax with or without chemotherapy. Doxepin hydrochloride is a tricyclic antidepressant drug which was recently shown to be helpful for mouth pain in patients receiving radiation therapy. Doxepin hydrochloride affects the surface of the esophagus, which may be helpful in reducing the pain caused by radiation therapy.

Tracking Information
First Received DateFebruary 12, 2014
Last Changed DateMay 30, 2017
Start DateApril 14, 2014
Anticipated Primary Completion DateDecember 14, 2017
Primary Outcome Measures

Change in mouth pain using a 0 to 10 numerical analogue scale [Time Frame: Baseline and 5, 15, 30, 60, 120, and 240 minutes after treatment on day 1]

Secondary Outcome Measures

Incidence of any grade 3 or higher adverse events using Common Terminology Criteria for Adverse Events (CTCAE) [Time Frame: Up to 4 hours after treatment on day 3]

Incidence of any grade 3 or higher adverse event rates using Radiation Therapy Oncology Group [Time Frame: Up to 4 hours after treatment on day 3]

Adverse event rates using Patient Reported Outcomes (PROs) on Day 1 and Day 3 crossover [Time Frame: Baseline and 5, 15, 30, 60, 120, and 240 minutes after treatment on day 1 and day 3]

Maximum graded adverse events using Common Terminology Criteria for Adverse Events (CTCAE) [Time Frame: Up to 4 hours after treatment on day 3]

Use of alternative analgesics [Time Frame: Up to 4 hours after treatment]

Patient preference for continued therapy at initial dose and crossover [Time Frame: At initial Day 1 dose and Day 3 crossover dose.]

Descriptive Information
PhaseN/A
Study TypeInterventional
Condition
  • Esophageal Carcinoma
  • Hypopharyngeal Carcinoma
  • Laryngeal Carcinoma
  • Lymphoma
  • Mesothelioma
  • Metastatic Malignant Neoplasm in the Lung
  • Metastatic Malignant Neoplasm in the Pleura
  • Metastatic Malignant Neoplasm in the Spinal Cord
  • Non-Small Cell Lung Carcinoma
  • Sarcoma
  • Small Cell Lung Carcinoma
  • Thymic Carcinoma
  • Thymoma
  • Thyroid Gland Carcinoma
Intervention
  • Drug: Doxepin Hydrochloride
  • Other: Placebo
  • Other: Quality-of-Life Assessment
  • Other: Questionnaire Administration
Study Arms / Comparison Groups2 / 0
Detailed Description

PRIMARY OBJECTIVES:

I. To provide baseline data regarding the effectiveness of doxepin (doxepin hydrochloride) in reducing esophagitis-related pain in patients undergoing radiation therapy (RT) to the thorax, as measured by a patient-reported questionnaire at 5 minutes, 15 minutes, 30 minutes, 1 hour and then at 2 and 4 hours on day 1.

SECONDARY OBJECTIVES:

I. To assess the adverse event profile of doxepin swish and swallow using a patient-reported questionnaire at 5 minutes, 15 minutes, 30 minutes, 1 hour and then at 2 and 4 hours using Common Terminology Criteria for Adverse Events (CTCAE) and Radiation Therapy Oncology Group (RTOG) acute toxicity criteria, and also for domains of unpleasant taste, burning/stinging discomfort, and drowsiness.

II. To evaluate the effectiveness of doxepin in reducing esophagitis-related pain in patients undergoing RT to the thorax, as measured by a patient-reported questionnaire at 5 minutes, 15 minutes, 30 minutes, 1 hours and then at 2 and 4 hours on days 1 and 3 (including the cross-over phase).

III. To compare and provide baseline data regarding alternative analgesic use between the doxepin and placebo arms.

IV. To provide baseline data regarding the patients? preference for continued therapy with doxepin or placebo after initial test dose or after the cross-over phase, as measured by items 9 and 10 in the patient-reported questionnaire at 4 hours after administration of the study medication and the actual participation rate.

TERTIARY OBJECTIVES:

I. To assess pain reduction and other adverse event profile in the optional continuation phase of doxepin oral rinse therapy. (Only applies to patients who have the optional continuation of doxepin oral rinse after the first two phases)

OUTLINE: Patients are randomized to 1 of 2 treatment groups.

GROUP I: Patients receive doxepin hydrochloride oral solution (swish, gargle for 30 seconds, and slowly swallow) on day 1. Patients then crossover to Arm II on day 3.

GROUP II: Patients receive placebo oral solution (swish, gargle for 30 seconds, and slowly swallow) on day 1. Patients then crossover to Arm I on day 3.

In both arms, patients may continue to receive doxepin hydrochloride oral solution every 4 hours as needed during radiation therapy.

Recruitment Information
Recruitment StatusActive, not recruiting
Anticipated Enrollment50
GenderAll
Ages18 Years - N/A
Accepts Healthy VolunteersNo
Eligibility Criteria

Inclusion Criteria:

- Histological confirmation of thoracic malignancies including non-small cell lung cancer (NSCLC), small lung cancer (SCLC), esophageal cancer, hypopharyngeal and laryngeal cancers (for which esophagitis symptoms can be relieved by doxepin swallow), lymphoma, thyroid, thymoma, thymic carcinoma, mesothelioma, sarcoma, and spinal, pulmonary or pleural-based metastases

- Planned RT (with or without chemotherapy) to a dose of >= 20 Gray (Gy) using 1.60 Gy per daily fraction; if radiation is given twice daily, a cumulative planned dose of >= 15 Gy using at least 1.25 Gy per fraction is required; hypofractionated and stereotactic body radiation therapy regimen are allowed

- At least 5 cm of the esophagus must be planned to receive radiotherapy, with a minimum dose of at least 10 Gy

- >= 3 esophageal pain, either at rest or during swallowing, felt to be related to esophagitis for which the patient wants relief, as measured by asking the following question

- ?On a scale of 0 to 10 (0 = no pain; 10 = worst pain), what number best describes your chest pain* (right now) due to your radiation treatment??

- Radiation can cause inflammation in your esophagus which can feel like a chest pain, either at rest or during swallowing

- Able to swallow the study medication

- Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0, 1, or 2

- Negative pregnancy test done =< 28 days prior to registration, for women of childbearing potential only

- Ability to complete questionnaire(s) by themselves or with assistance

- Provide informed written consent

- Willingness to complete evaluation and questionnaires per protocol at the participating institution for follow-up (during the active monitoring phase of the study)

Exclusion Criteria:

- Known allergy to doxepin, tricyclic antidepressants, or any known component of the drug formulation

- Histologic proof of and getting treatment for esophageal, stomach, spinal cord, thyroid, breast, and head and neck cancers and vertebral metastases

- Use of a tricyclic antidepressant or monoamine oxidase inhibitor within the 2 weeks prior to registration

- The presence or strong clinical suspicion of a tracheoesophageal fistula, or known esophageal invasion by cancer

- Current untreated or unresolved esophageal candidiasis or herpes simplex virus (HSV) infection

- Current untreated narrow angle glaucoma

- Current untreated urinary retention =< 6 weeks prior to registration

- Co-morbid systemic illnesses or other severe concurrent disease which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and toxicity of the prescribed regimens

- Any of the following

- Pregnant women

- Nursing women

- Current use of doxepin or doxepin rinse as a swallow preparation

Administrative Information
NCTIDNCT02062632
Responsible Party,
SponsorMayo Clinic
Verification DateFebruary 2017
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