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Melatonin Versus Placebo and the Effect on Appetite in Advanced Cancer Patients

Basic Trial Information
Trial Description
     Summary
     Further Trial Information
     Eligibility Criteria
Trial Contact Information

Basic Trial Information

PhaseTypeStatusAgeSponsorProtocol IDs
Phase IIISupportive careActive18 and overOther2005-0901
NCT00513357

Trial Description

Summary

Primary objective: To determine if Melatonin will improve appetite in advanced cancer pts. with anorexia/cachexia as defined by an improvement of 1.5 in appetite score from baseline on the ESAS

Secondary objective-A: To determine if Melatonin will improve weight gain, and preserve/gain lean muscle mass in advanced cancer pts. with anorexia/cachexia

Secondary objective-B: To determine if Melatonin will improve pain, well-being, nausea, and depression as measured by the ESAS and FACIT-F in advanced cancer pts. with anorexia/cachexia

Further Study Information

Melatonin is a hormone that is made by the part of the brain called the pineal gland and may help in letting your body know when it is time to go to sleep and when it is time to wake up. The researchers feel melatonin might help to improve your appetite, improve your overall sense of well-being, and maintain your current weight.

Before you can start treatment on this study, you will have what are called "screening tests." These tests will help the doctor decide if you are eligible to take part in this study. You will be asked to complete a questionnaire. It will ask questions about your cancer diagnoses, the medications you are taking, and the symptoms you having, (for example, fatigue, appetite, sleep problems, depression, anxiety, and drowsiness). It should take about 30 minutes for you to answer these questions. Women who are able to have children must have a negative blood pregnancy test.

If you are found to be eligible to take part in this study, you will see a nutritionist at the first (baseline) visit. The nutritionist will measure the amount of calories you consume. You will be asked to report all food and drinks you have had in a 3-day period. If you are unable to remember what you have eaten and drunk in the last 3 days, you will be asked by the nutritionist to list all the food and drinks you have had within the last 24 hours.

Your arm muscle diameter and your skin fold below your shoulder blade will be measured on the arm you don't normally use to write with. This is to determine your body fat, lean mass and water content of your body.

Your resting energy expenditure will be measured. You will be asked to wear a breathing mask and to blow into a tube. This will allow your breath to be analyzed, to measure how many calories your body is using while you are at rest.

Blood (about 1-2 tablespoons) will be drawn for tests to make sure there are no other treatable causes for your weight loss.

This blood test may not need to be repeated if you have had a blood test in the last 3 months.

If you are found to be eligible to take part in this study, you will be randomly assigned (as in the toss of a coin) to one of 2 groups. Participants in Group 1 will take melatonin daily before bedtime for 4 weeks. Patients in Group 2 will take a placebo daily before bedtime for 4 weeks. A placebo is a substance that looks like the study drug but which has no active ingredients. You will have an equal chance (50/50) of being placed in either group.

Neither you nor any of the medical staff or researchers on this study will know if you are receiving the study drug or placebo.

On Week 2, you will return to the clinic and you will repeat all the tests done at the baseline visit. If you are unable to return to M. D. Anderson to complete the evaluations on Day 14 (± 2 days), the research nurse will contact you by telephone and ask you about any side effects you are experiencing.

At Week 4, you will return to the clinic and all the tests done at baseline will be repeated.

At the end of 4 weeks, all study patients in both groups will be given the opportunity to take melatonin before going to sleep at night for an additional 4 weeks. If you choose not to continue on melatonin for an additional 4 weeks, you will be taken off study and blood will be drawn for your end of study tests which include albumin, C-reactive protein (CRP), thyroid stimulating hormone (TSH), and vitamin B-12, folate and cortisol. These tests will require about 1-2 tablespoons of blood to be drawn. If you choose to continue on melatonin for an additional 4 weeks, you will be asked to return to the outpatient clinic at Week 6 to repeat the tests done at baseline.

Your end of study tests will be done at the end of 8 weeks.

You will continue to visit the study doctor at the outpatient clinic as long he feels it is necessary. At these visits, your height and weight will be recorded and you will be asked what food and drinks you have had.

This is an investigational study. Melatonin is not currently approved by the FDA except to treat blind people with no light perception for sleep disorders-and is considered a food/nutritional supplement. Up to 126 patients will be enrolled at M. D. Anderson and at the Joan Karnell Cancer Center in Pennsylvania.

Eligibility Criteria

Inclusion Criteria:

1. Patients with solid gastrointestinal tumors or lung cancer patients referred to palliative care and a 5% or more involuntary weight loss within the last 6 months with anorexia (>3 on visual analog scale such as ESAS)

2. Greater than or equal to 18 years of age

3. Karnofsky score of 40 or higher

4. Patient has the ability to maintain oral food intake during the study period

5. Patients who have persistent anorexia/cachexia and are currently taking a stable dose of Megace, corticosteroids, non-steroidal anti-inflammatories (NSAID'S), or thalidomide and started at least 2 weeks prior to study inclusion

6. Ability to sign informed consent and understand study procedures

7. Patient can continue all medications including complementary therapies or antineoplastic therapy while on-study other than melatonin if they have been on stable dose for at least 2 weeks

8. Negative pregnancy testing in women with child bearing potential defined as not post-menopausal for 12 months or no previous surgical sterilization.

9. Patients who cannot take Megace because of past history or elevated risk of DVT, adrenal insufficiency, impotence, hyperglycemia, CHF, menorrhagia, etc.

10. Patients who have persistent anorexia/cachexia after treatment with Megace has failed.

Exclusion Criteria:

1. Patients who have dementia or delirium on entry into study as determined by the palliative care specialist using DSM-IV-criteria

2. Patients who are currently taking melatonin

3. Inability to take oral food during the study period

4. Unstable secondary cachexia caused by nausea, diarrhea, taste abnormalities, mucositis, constipation, dysphagia, or clinical depression prior to study inclusion. These symptoms should be resolved or stable for >/= 2 weeks at the time of inclusion into study as determined by the Palliative Care Specialist.

5. Inability to sign informed consent or understand study procedures

6. Karnofsky score of < 40

7. Patients < 18 years of age

8. Patients with </= 5% involuntary weight loss within the last 6 months and anorexia of < 3 on ESAS

9. Patients who are on complementary therapies containing melatonin or on medications for < 2 weeks and not on stable dose

10. Patients who have a cortisol level of </= 4.3 mg/dL at baseline will be excluded.

11. Patients with a TSH of </= 0.50 or >/= 5.50 mcL/mL at baseline will be excluded

12. Pregnant females or females who are lactating/nursing

Trial Contact Information

Trial Lead Organizations/Sponsors

M. D. Anderson Cancer Center at University of Texas

Egidio Del Fabbro, MDPrincipal Investigator

Egidio Del Fabbro, MDPh: 713-792-6085

Trial Sites

U.S.A.
Pennsylvania
  Philadelphia
 Joan Karnell Cancer Center at Pennsylvania Hospital
Texas
  Houston
 M. D. Anderson Cancer Center at University of Texas
 Egidio Del Fabbro, MDPrincipal Investigator

Link to the current ClinicalTrials.gov record.
NLM Identifer NCT00513357
Information obtained from ClinicalTrials.gov on March 18, 2009

Note: Information about this trial is from the ClinicalTrials.gov database. The versions designated for health professionals and patients contain the same text. Minor changes may be made to the ClinicalTrials.gov record to standardize the names of study sponsors, sites, and contacts. Cancer.gov only lists sites that are recruiting patients for active trials, whereas ClinicalTrials.gov lists all sites for all trials. Questions and comments regarding the presented information should be directed to ClinicalTrials.gov.

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