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Updated: Nov 16, 2025

Generation of Human Nasal Epithelial Cell Spheroids for Individualized Cystic Fibrosis Transmembrane Conductance Regulator Study
Published on: April 11, 2018
PROMISE: Working with the CF community to understand emerging clinical and research needs for those treated with
Dave P Nichols1, Scott H Donaldson2, Carla A Frederick3
1Seattle Children's Research Institute, Department of Pediatrics, University of Washington, USA.
Abstract:
Highly effective CFTR modulator drug therapy is increasingly available to those with cystic fibrosis. Multiple observational research studies are now being conducted to better understand the impacts of this important therapeutic milestone on long-term outcomes, patient care needs, and future research priorities. PROMISE is a large, multi-disciplinary academic study focused on the broad impacts of starting elexacaftor/tezacaftor/ivacaftor in the US population age 6 years and older. The many areas of investigation and rationale for each are discussed by organ systems, along with recognition of remaining important questions that will not be addressed by this study alone. Knowledge gained through this and multiple complementary studies around the world will help to understand important health outcomes, clinical care priorities, and research needs for a large majority of people treated with these or similarly effective medications targeting the primary cellular impairment in cystic fibrosis.
Insights
New cystic fibrosis (CF) modulator therapies, like elexacaftor/tezacaftor/ivacaftor, are transforming care. The PROMISE study investigates their broad impacts on patients aged 6+ in the US.
Area of Science:
- Medical research
- Pharmacology
- Genetics
Background:
- Highly effective CFTR modulator therapies are now widely available for cystic fibrosis.
- Observational studies are crucial for understanding the long-term impacts of these treatments.
Purpose of the Study:
- To investigate the broad impacts of initiating elexacaftor/tezacaftor/ivacaftor therapy.
- To assess effects on long-term outcomes, patient care needs, and research priorities.
- To provide insights for a large majority of individuals with cystic fibrosis benefiting from modulator drugs.
Main Methods:
- The PROMISE study is a large, multi-disciplinary academic research initiative.
- Focuses on the US population aged 6 years and older starting elexacaftor/tezacaftor/ivacaftor.
- Organ system-specific investigations are conducted.
Main Results:
- The study discusses various areas of investigation and their rationales.
- Highlights remaining questions not addressed by this study alone.
- Knowledge gained will inform health outcomes and clinical priorities.
Conclusions:
- This research contributes to understanding the real-world effects of CFTR modulator therapy.
- Findings will guide future research and clinical care for cystic fibrosis patients.
- Emphasizes the importance of ongoing studies globally to complement findings.
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