Study of Trofinetide for the Treatment of Girls and Women With Rett Syndrome (LAVENDER™)

NCT ID: NCT04181723

Last Updated: 2024-04-08

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

187 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-11-06

Study Completion Date

2021-10-28

Brief Summary

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To investigate the efficacy of treatment with oral trofinetide versus placebo in females with Rett syndrome

Detailed Description

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Conditions

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Rett Syndrome

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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Drug - Trofinetide

Trofinetide solution of 30-60 mL based on the subject's weight at Baseline, administered twice daily by mouth or gastrostomy tube (G-tube)

Group Type EXPERIMENTAL

Trofinetide

Intervention Type DRUG

Trofinetide solution administered based on the subject's weight at Baseline, twice daily for 12 weeks

Placebo

Trofinetide placebo solution of 30-60 mL based on the subject's weight at Baseline, administered twice daily by mouth or gastrostomy tube (G-tube)

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Trofinetide placebo solution administered based on the subject's weight at Baseline, twice daily for 12 weeks

Interventions

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Trofinetide

Trofinetide solution administered based on the subject's weight at Baseline, twice daily for 12 weeks

Intervention Type DRUG

Placebo

Trofinetide placebo solution administered based on the subject's weight at Baseline, twice daily for 12 weeks

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Female subjects 5 to 20 years of age, inclusive, at Screening
2. Body weight ≥12 kg at Screening
3. Can swallow the study medication provided as a liquid solution or can take it by gastrostomy tube
4. Has classic/typical Rett syndrome (RTT)
5. Has a documented disease-causing mutation in the MECP2 gene
6. Has a stable pattern of seizures, or has had no seizures, within 8 weeks of Screening
7. Subjects of childbearing potential must abstain from sexual activity for the duration of the study and for at least 30 days thereafter or must agree to use acceptable methods of contraception. Subject must not be pregnant or breastfeeding.
8. The subject's caregiver is English-speaking and has sufficient language skills to complete the caregiver assessments
9. Subject and caregiver(s) must reside at a location to which study drug can be delivered and have been at their present residence for at least 3 months prior to Screening

Exclusion Criteria

1. Has been treated with insulin within 12 weeks of Baseline
2. Has current clinically significant cardiovascular, endocrine (such as hypo- or hyperthyroidism, Type 1 diabetes mellitus, or uncontrolled Type 2 diabetes mellitus), renal, hepatic, respiratory or gastrointestinal disease (such as celiac disease or inflammatory bowel disease) or has major surgery planned during the study
3. Has a history of, or current, cerebrovascular disease or brain trauma
4. Has significant, uncorrected visual or uncorrected hearing impairment
5. Has a history of, or current, malignancy
6. Has a known history or symptoms of long QT syndrome
Minimum Eligible Age

5 Years

Maximum Eligible Age

20 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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ACADIA Pharmaceuticals Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Alabama at Birmingham

Birmingham, Alabama, United States

Site Status

Translational Gemomics Research Institute (TGen)

Phoenix, Arizona, United States

Site Status

University of California, San Diego

La Jolla, California, United States

Site Status

UC Davis MIND Institute

Sacramento, California, United States

Site Status

Children's Hospital Colorado

Aurora, Colorado, United States

Site Status

Children Medical Services

Tampa, Florida, United States

Site Status

Emory Genetics Clinical Trial Center

Atlanta, Georgia, United States

Site Status

Rush University Children's Hospital

Chicago, Illinois, United States

Site Status

Kennedy Krieger Institute - Clinical Trials Unit

Baltimore, Maryland, United States

Site Status

Boston Children's Hospital Harvard Medical School

Boston, Massachusetts, United States

Site Status

Gillette Children's Specialty Healthcare

Saint Paul, Minnesota, United States

Site Status

Washington University School of Medicine

St Louis, Missouri, United States

Site Status

Montefiore Medical Center, Children's Hospital at Montefiore

The Bronx, New York, United States

Site Status

The University of North Carolina at Chapel Hill

Chapel Hill, North Carolina, United States

Site Status

Cincinnati Children's Hospital Medical Center

Cincinnati, Ohio, United States

Site Status

Cleveland Clinic

Cleveland, Ohio, United States

Site Status

Children's Hospital of Philadelphia

Philadelphia, Pennsylvania, United States

Site Status

Greenwood Genetic Center

Greenwood, South Carolina, United States

Site Status

Vanderbilt University Medical Center

Nashville, Tennessee, United States

Site Status

Texas Children's Hospital

Houston, Texas, United States

Site Status

Seattle Children's

Seattle, Washington, United States

Site Status

Countries

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United States

References

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Darwish M, Passarell J, Youakim JM, Bradley H, Bishop KM. Exposure-Response Efficacy Modeling to Support Trofinetide Dosing in Individuals with Rett Syndrome. Adv Ther. 2024 Apr;41(4):1462-1480. doi: 10.1007/s12325-024-02796-y. Epub 2024 Feb 16.

Reference Type DERIVED
PMID: 38363467 (View on PubMed)

Parent H, Ferranti A, Niswender C. Trofinetide: a pioneering treatment for Rett syndrome. Trends Pharmacol Sci. 2023 Oct;44(10):740-741. doi: 10.1016/j.tips.2023.06.008. Epub 2023 Jul 16.

Reference Type DERIVED
PMID: 37460385 (View on PubMed)

Neul JL, Percy AK, Benke TA, Berry-Kravis EM, Glaze DG, Marsh ED, Lin T, Stankovic S, Bishop KM, Youakim JM. Trofinetide for the treatment of Rett syndrome: a randomized phase 3 study. Nat Med. 2023 Jun;29(6):1468-1475. doi: 10.1038/s41591-023-02398-1. Epub 2023 Jun 8.

Reference Type DERIVED
PMID: 37291210 (View on PubMed)

Neul JL, Percy AK, Benke TA, Berry-Kravis EM, Glaze DG, Peters SU, Jones NE, Youakim JM. Design and outcome measures of LAVENDER, a phase 3 study of trofinetide for Rett syndrome. Contemp Clin Trials. 2022 Mar;114:106704. doi: 10.1016/j.cct.2022.106704. Epub 2022 Feb 8.

Reference Type DERIVED
PMID: 35149233 (View on PubMed)

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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ACP-2566-003

Identifier Type: -

Identifier Source: org_study_id

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