Efficacy and Safety of LX9211 in Participants With Postherpetic Neuralgia

NCT ID: NCT04662281

Last Updated: 2023-11-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

79 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-12-29

Study Completion Date

2022-12-21

Brief Summary

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Evaluation of the efficacy of LX9211 compared to placebo in reducing pain related to postherpetic neuralgia over an 11 week assessment period.

Detailed Description

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Conditions

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Postherpetic Neuralgia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Following a 2-week Single-blind Run-in period, participants will receive a single loading dose of matching-placebo to LX9211 tablet, orally, on Day 1 and maintenance doses, orally, once daily from Day 2 to Week 6.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

LX9211 matching-placebo, tablets will be administered orally.

LX9211

Following a 2-week Single-blind Run-in period, participants will receive a single loading dose of 200 milligrams (mg) tablet, orally, on Day 1 and maintenance doses of 20 mg, orally, once daily from Day 2 to Week 6.

Group Type EXPERIMENTAL

LX9211

Intervention Type DRUG

LX9211, 200 mg, tablets will be administered orally.

Interventions

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Placebo

LX9211 matching-placebo, tablets will be administered orally.

Intervention Type DRUG

LX9211

LX9211, 200 mg, tablets will be administered orally.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Participant has given written informed consent to participate in the study in accordance with local regulations
* Adult male and female participants ≥18 years of age at the time of screening
* PHN pain that is present for ≥3 months after healing of herpes zoster skin rash affecting a single dermatome (Participants with more than 1 involved dermatome may also be included, provided the affected dermatomes are contiguous)
* Moderate to severe pain as confirmed by average pain score using scores recorded in the pain diary in the 14 days prior to randomization

Exclusion Criteria

* Presence of other painful conditions that may confound assessment or self-evaluation of PHN
* History of major depressive episode, active, significant psychiatric disorders
* History of clinically significant drug or alcohol use disorder
* PHN affecting the face
* Use of opioid medications for management of PHN within the 2 months prior to Screening Visit
* Use of Non-steroidal anti-inflammatory drugs (NSAIDs) for the specific treatment of PHN pain
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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Responsibility Role SPONSOR

Principal Investigators

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Suma Gopinathan, PhD

Role: STUDY_DIRECTOR

Lexicon Pharmaceuticals

Locations

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Lexicon Investigational Site

Scottsdale, Arizona, United States

Site Status

Lexicon Investigational Site

Tucson, Arizona, United States

Site Status

Lexicon Investigational Site

Greenbrae, California, United States

Site Status

Lexicon Investigational Site

Brandon, Florida, United States

Site Status

Lexicon Investigational Site (113)

Miami, Florida, United States

Site Status

Lexicon Investigational Site

Miami, Florida, United States

Site Status

Lexicon Investigational Site

Miami, Florida, United States

Site Status

Lexicon Investigational Site

Ormond Beach, Florida, United States

Site Status

Lexicon Investigational Site

Winter Park, Florida, United States

Site Status

Lexicon Investigational Site (147)

Marietta, Georgia, United States

Site Status

Lexicon Investigational Site

Flossmoor, Illinois, United States

Site Status

Lexicon Investigational Site

Wauconda, Illinois, United States

Site Status

Lexicon Investigational Site

Boston, Massachusetts, United States

Site Status

Lexicon Investigational Site

Canton, Michigan, United States

Site Status

Lexicon Investigational Site

Hazelwood, Missouri, United States

Site Status

Lexicon Investigational Site

Albuquerque, New Mexico, United States

Site Status

Lexicon Investigational Site (148)

Cary, North Carolina, United States

Site Status

Lexicon Investigational Site

Jenkintown, Pennsylvania, United States

Site Status

Lexicon Investigational Site

Baytown, Texas, United States

Site Status

Lexicon Investigational Site

Victoria, Texas, United States

Site Status

Lexicon Investigational Site

Salt Lake City, Utah, United States

Site Status

Lexicon Investigational Site

Kenosha, Wisconsin, United States

Site Status

Lexicon Investigational Site (138)

Choceň, , Czechia

Site Status

Lexicon Investigational Site (140)

Pardubice, , Czechia

Site Status

Lexicon Investigational Site (136)

Prague, , Czechia

Site Status

Lexicon Investigational Site (137)

Prague, , Czechia

Site Status

Lexicon Investigational Site (141)

Prague, , Czechia

Site Status

Lexicon Investigational Site (135)

Prague, , Czechia

Site Status

Lexicon Investigational Site (128)

Katowice, , Poland

Site Status

Lexicon Investigational Site (130)

Katowice, , Poland

Site Status

Lexicon Investigational Site (134)

Lublin, , Poland

Site Status

Lexicon Investigational Site (133)

Warsaw, , Poland

Site Status

Countries

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United States Czechia Poland

References

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Luo G, Chen L, Kostich WA, Hamman B, Allen J, Easton A, Bourin C, Gulianello M, Lippy J, Nara S, Maishal TK, Thiyagarajan K, Jalagam P, Pattipati SN, Dandapani K, Dokania M, Vattikundala P, Sharma V, Elavazhagan S, Verma MK, Das ML, Wagh S, Balakrishnan A, Johnson BM, Santone KS, Thalody G, Denton R, Saminathan H, Holenarsipur VK, Kumar A, Rao A, Putlur SP, Sarvasiddhi SK, Shankar G, Louis JV, Ramarao M, Conway CM, Li YW, Pieschl R, Tian Y, Hong Y, Ditta J, Mathur A, Li J, Smith D, Pawluczyk J, Sun D, Yip S, Wu DR, Vetrichelvan M, Gupta A, Wilson A, Gopinathan S, Wason S, Bristow L, Albright CF, Bronson JJ, Macor JE, Dzierba CD. Discovery of (S)-1-((2',6-Bis(difluoromethyl)-[2,4'-bipyridin]-5-yl)oxy)-2,4-dimethylpentan-2-amine (BMS-986176/LX-9211): A Highly Selective, CNS Penetrable, and Orally Active Adaptor Protein-2 Associated Kinase 1 Inhibitor in Clinical Trials for the Treatment of Neuropathic Pain. J Med Chem. 2022 Mar 24;65(6):4457-4480. doi: 10.1021/acs.jmedchem.1c02131. Epub 2022 Mar 8.

Reference Type DERIVED
PMID: 35257579 (View on PubMed)

Other Identifiers

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2020-004639-26

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

LX9211.1-202-PHN

Identifier Type: -

Identifier Source: org_study_id

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