Study of LX3305 and Methotrexate in Subjects With Stable Rheumatoid Arthritis

NCT ID: NCT00847886

Last Updated: 2010-06-03

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-02-28

Study Completion Date

2009-03-31

Brief Summary

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The purpose of the study is to evaluate the effect of LX3305 on methotrexate (MTX) pharmacokinetics and to evaluate the safety and tolerability of LX3305 given over 14 days in subjects with stable rheumatoid arthritis that are receiving stable doses of MTX.

Detailed Description

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Conditions

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Rheumatoid Arthritis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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LX3305

Daily oral intake of LX3305 for 14 days.

Group Type EXPERIMENTAL

LX3305

Intervention Type DRUG

Daily oral intake of LX3305 for 14 days.

Methotrexate

Intervention Type DRUG

Once weekly stable-dose methotrexate.

LX3305 Placebo

Matching placebo dosing with daily oral intake for 14 days.

Group Type PLACEBO_COMPARATOR

LX3305 Placebo

Intervention Type DRUG

Matching placebo dosing with daily oral intake for 14 days.

Methotrexate

Intervention Type DRUG

Once weekly stable-dose methotrexate.

Interventions

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LX3305

Daily oral intake of LX3305 for 14 days.

Intervention Type DRUG

LX3305 Placebo

Matching placebo dosing with daily oral intake for 14 days.

Intervention Type DRUG

Methotrexate

Once weekly stable-dose methotrexate.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Males and females ≥ 18 years old
* Must be willing to practice 2 adequate methods of contraception for the duration of the study
* Rheumatoid arthritis present for at least 3 months; functional class I, II, or III as defined by ACR criteria
* Treatment with methotrexate (7.5 to 25 mg per week) for at least the last 3 months, and currently receiving stable dose methotrexate for at least one month prior to the start of the study
* Ability to provide written informed consent

Exclusion Criteria

* Women who are pregnant or nursing
* History of other current inflammatory arthritis
* History of opportunistic infection
* History of recurrent infections or current infection 2 weeks prior to start of study
* Presence of significant, uncontrolled medical problems
* Treatment with any disease-modifying anti-rheumatoid drugs other than methotrexate within 4 weeks prior to start of study
* Use of chondroitin sulfate, glucosamine sulfate, minocycline, or matrix metalloproteinase inhibitors, H-2 blockers, proton pump inhibitors, or misoprostol within 4 weeks prior to study start
* Receipt of live vaccine within 8 weeks prior to study start
* Rheumatoid arthritis, functional class IV as defined by ACR criteria
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Lexicon Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Lexicon Pharmaceuticals, Inc.

Principal Investigators

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Philip M. Brown, MD, JD

Role: STUDY_DIRECTOR

Lexicon Pharmaceuticals, Inc.

Locations

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Metroplex Clinical Research Center

Dallas, Texas, United States

Site Status

Countries

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United States

Other Identifiers

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LX3305.104

Identifier Type: -

Identifier Source: secondary_id

LX2931

Identifier Type: -

Identifier Source: secondary_id

Protocol LX3305.1-104-DDI

Identifier Type: -

Identifier Source: org_study_id

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