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Terminated Phase 2 Interventional Results available

Role of Methadone As Co-Opioid Analgesic

ClinicalTrials.gov ID: NCT00558870

Public ClinicalTrials.gov record NCT00558870. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 1:17 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Role of Methadone As Co-Opioid Analgesic in Cancer Patients

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Objectives: Primary Objective: To determine whether the addition of low dose methadone to morphine(in the methadone group) has a lower dose escalation index as compared to the morphine alone(in the morphine group) at Day 15 (+/- 3 days) Secondary Objectives: To determine whether individuals on the methadone arm have lower pain intensity than the morphine alone arm as demonstrated by a decrease in two points from baseline (+/- 3 days) in their ESAS score at Day 15 (+/- 3 days). To determine whether the methadone group of experiences fewer opioid induced neurotoxic side effects (including sedation, myoclonus, hallucinations, hyperalgesia and confusion) as compared to the morphine alone group at Day 15 (+/- 3 days).

Study identification

NCT ID
NCT00558870
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Enrollment
5 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 31, 2007
Primary completion
Dec 31, 2014
Completion
Dec 31, 2014
Last update posted
Apr 4, 2016

2007 – 2015

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Texas MD Anderson Cancer Center Houston Texas 77030

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00558870, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 4, 2016 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00558870 live on ClinicalTrials.gov.

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