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This 8 arm study will evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of single ascending doses of R1671 or placebo in patients with mild, intermittent, asymptomatic asthma. Patients will be randomized to receive placebo or R1671, at a starting dose of 0.0015mg, by intravenous infusion; this dose will be escalated in subsequent groups of patients after a satisfactory assessment of the data from the previous dose. The anticipated time on study treatment is <3 months, and the target sample size is <100 individuals.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 1 | Experimental |
| |
| 2 | Experimental |
| |
| 3 | Experimental |
| |
| 4 | Experimental |
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| 5 | Experimental |
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| 6 | Experimental |
| |
| 7 | Experimental |
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| 8 | Experimental |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| RG1671 | Drug | Administered iv at escalating doses (with a starting dose of 0.0015mg) |
|
| Measure | Description | Time Frame |
|---|---|---|
| AEs, laboratory parameters, vital signs, ECG. | Throughout study | |
| Serum concentration of R1671, and serum pharmacokinetic parameters. | Throughout study |
| Measure | Description | Time Frame |
|---|---|---|
| Pharmacodynamic biomarker sampling; skin prick test. | At intervals during study |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Clinical Trials | Hoffmann-La Roche | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Little Rock | Arkansas | 72204 | United States | |||
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| ID | Term |
|---|---|
| D001249 | Asthma |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
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| North Hollywood |
| California |
| 91606 |
| United States |
| Port Orange | Florida | 32127 | United States |
| Normal | Illinois | 61761 | United States |
| Madisonville | Kentucky | 42431 | United States |
| North Dartmouth | Massachusetts | 02747 | United States |
| Morrisville | North Carolina | 27560 | United States |
| San Antonio | Texas | 78209 | United States |
| D012130 |
| Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |