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This double-blind, randomized, two-cohort, placebo-controlled, parallel group study characterized the pharmacokinetics, safety, and tolerability of MNTX following single doses and at steady-state during multiple dosing and assessed the effects of aging on the pharmacokinetics, safety and tolerability of MNTX.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Arm 1 | Experimental | IV methylnaltrexone (MNTX) |
|
| Arm 2 | Placebo Comparator | placebo |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| methylnaltrexone | Drug |
| ||
| placebo |
| Measure | Description | Time Frame |
|---|---|---|
| Clearance of MNTX | Evaluate the PK of MNTX in healthy adult and healthy elderly male and female human subjects following MNTX administration as a single IV dose, and at steady state during multiple IV doses | 7 days |
| Measure | Description | Time Frame |
|---|---|---|
| Half-life of MNTX | Evaluate the PK of MNTX in healthy adult and healthy elderly male and female human subjects following MNTX administration as a single IV dose, and at steady state during multiple IV doses | 7 days |
| Volume of distribution of MNTX |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tage Ramakrishna, MD | Progenics Pharmaceuticals, Inc. | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Progenics Pharmaceuticals, Inc. | Tarrytown | New York | 10591 | United States |
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| ID | Term |
|---|---|
| C032257 | methylnaltrexone |
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Evaluate the PK of MNTX in healthy adult and healthy elderly male and female human subjects following MNTX administration as a single IV dose, and at steady state during multiple IV doses
| 7 days |
| Area under the plasma concentration (AUC) of MNTX | Evaluate the PK of MNTX in healthy adult and healthy elderly male and female human subjects following MNTX administration as a single IV dose, and at steady state during multiple IV doses | 7 days |
| Number of Subjects with Adverse Events | Safety and tolerability of MNTX in healthy adult and healthy elderly male and female human subjects following MNTX administration as a single IV dose, and at steady state during multiple IV doses | 7 days |