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Study Evaluating the Safety and Tolerability of RCT1100 in Healthy and PCD Subjects

A Phase 1, Randomized, Double-Blind, Placebo-Controlled, Single Ascending Dose Study, in Healthy Adult Participants and Open-Label Single Ascending Dose Study in Adults With Primary Ciliary Dyskinesia Caused by Pathogenic Mutations in the DNAI1 Gene to Evaluate the Safety and Tolerability of RCT1100

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05737485
Enrollment
9
Registered
2023-02-21
Start date
2023-02-18
Completion date
2025-01-13
Last updated
2025-04-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Ciliary Dyskinesia

Keywords

Primary Ciliary Dyskinesia, PCD, Kartagener Syndrome

Brief summary

This is the first-in-human study with RCT1100 and is designed to provide initial safety and tolerability data for future clinical studies.

Detailed description

The primary objective of this study is to assess the safety and tolerability of a single ascending dose of inhaled RCT1100 administered via nebulizer to healthy participants and patients with Primary Ciliary Dyskinesia caused by a pathogenic mutation in the DNAI1 Gene.

Interventions

RCT1100 mRNA therapy supplied as varying dose strengths administered via oral inhalation using nebulizer

Sponsors

ReCode Therapeutics
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

Major Inclusion Criteria: * Healthy, adult, male or female of, 18-75 years of age, inclusive, at screening. * Participant has disease causing mutations in the DNAI1 gene * The participant has a forced expiratory volume in one second (FEV1) of at least 50% predicted. Major

Exclusion criteria

* History or presence of clinically significant medical, surgical, clinical laboratory, or psychiatric condition or disease. * History of cancer, with exception of adequately treated basal cell or squamous cell carcinoma of the skin. * Medically significant hemoptysis * Anticoagulation therapy for the treatment of a pulmonary embolus or has had a pulmonary embolus in the last 6 months of screening. * Active tuberculosis infection. * Laboratory abnormalities in clinical laboratory tests at screening: 1. Serum creatinine level 2. Total bilirubin, aspartate aminotransferase or alanine aminotransferase values 3. Hematological or coagulation values outside the normal reference range * Any medical history of disease that has the potential to cause a rise in total bilirubin over the ULN * History of alcohol abuse or drug addiction with the last year of screening. * Active smoker (vaping included). Other protocol defined inclusion/

Design outcomes

Primary

MeasureTime frameDescription
The number of participants with Adverse Events (AEs) and Serious Adverse Events (SAEs).From Baseline Through Day 180Safety and tolerability as assessed by number of participants with Adverse Events (AEs) and Serious Adverse Events (SAEs), as well as an adverse event of special interest (AESI): Fever, which will include body temperature and any associated symptoms (chills, myalgia).

Countries

Australia, New Zealand, United Kingdom, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026