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Safety and Dosing Study of the CHILLS Cryotherapy for the Treatment of OSA

Safety and Dosing Study of the CHILLS Cryotherapy for the Treatment of Obstructive Sleep Apnea (OSA): ARCTIC-1

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04864652
Acronym
ARCTIC-1
Enrollment
84
Registered
2021-04-29
Start date
2020-11-30
Completion date
2023-05-06
Last updated
2025-06-26

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

Conditions

Obstructive Sleep Apnea of Adult

Brief summary

ARCTIC-1 is a safety and dosing study to evaluate procedure tolerability in patients with clinically diagnosed moderate or severe OSA.

Detailed description

The study is a safety and dose titration study to determine the optimum dose of Cryosa CHILLS cryotherapy in patients with clinically diagnosed moderate or severe OSA. Up to 70 subjects are planned to be enrolled and treated with the device at up to 3 clinical sites in Latin America. Subjects will be followed for 90 days with evaluation intervals at discharge, 7 days, 30 days and 90 days post-procedure. Subjects agreeing to long-term follow-up will complete visits every 6 months through 2 years post-procedure.

Interventions

CHILLS Cryotherapy procedure

Sponsors

Cryosa, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
22 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

1. Age 25 - 65 years. 2. Diagnosed with moderate to severe OSA based on history and physical or have an established diagnosis of OSA (AHI ≥ 15 and ≤ 50) based on a prior sleep study. 3. BMI is between 28 kg/m2 and 40 kg/m2 at enrollment. 4. Negative result for COVID-19 polymerase chain reaction (RT-PCR) test and absence of clinical symptoms for COVID-19.

Exclusion criteria

1. Subjects with a high percentage of central apneas suggesting heart failure. 2. Contraindication to general anesthesia and MRI. 3. Metal braces, plate or pieces in the head or jaw that may interfere with MRI. 4. Craniofacial abnormality (e.g. retrognathia, micrognathia, etc.) thought to be the primary cause of OSA. 5. Obvious fixed upper airway obstructions (tumors, polyps, nasal obstruction) . 6. Tonsil size ≥ +3. 7. Previous surgery within 12 weeks of scheduled procedure performed on the soft tissue of the upper airway (e.g., uvula, soft palate or tonsils). 8. Oral cancer or non-healing oral wounds. 9. Presence of symptoms of influenza-like symptoms. 10. Contra-indicated for anesthesia or surgery. 11. History of surgery affecting the tongue (TORS, semi-glossectomy, RFBOT, MMA, HGNS). 12. History of radiation therapy to neck or upper respiratory tract 13. Surgical resection for cancer or congenital malformations in the larynx, tongue, or throat (with exception of tonsillectomy and/or adenoidectomy). 14. Clinical evidence of severe chronic obstructive or restrictive pulmonary disease (for example chronic bronchitis, emphysema, pulmonary fibrosis). 15. Active, severe pulmonary vascular disease (for example pulmonary arterial hypertension or pulmonary embolism). 16. Currently receiving treatment for severe cardiac valvular dysfunction, NYHA Class III or IV heart failure, unstable angina or recent (\< 12 month) myocardial infarction or severe cardiac arrhythmias. 17. Subjects with bleeding event, known bleeding diathesis, impaired immunity for any reason, or heart attack or stroke within the last 12 months. 18. Clinical evidence of severe renal failure (Stage 4 or 5) undergoing dialysis or expected to institute dialysis within 12 months. 19. History or current clinical evidence of TIA or stroke or muscular dysfunction. 20. Taking medications that in the opinion of the consulting physician may alter consciousness, the pattern of respiration, or sleep architecture, such examples being benzodiazepines, opiates, neuroleptics, prescription stimulants, phenothiazine, or any form of chemical substance abuse. 21. History of dementia or active psychiatric disease that may impact study compliance. 22. Females who are pregnant or females of childbearing age with intention to become pregnant during the study period (≤ 3 months from treatment date). 23. Unable and/or unwilling to comply with study requirements or to provide written informed consent.

Design outcomes

Primary

MeasureTime frameDescription
Incidence of Serious Procedure-Related Complications30 DaysNo serious procedure-related complications including death, loss of the airway requiring post-anesthesia care unit (PACU) re-intubation, persistent loss (more than 30 days) of tongue movement, or bleeding requiring surgical intervention or transfusion.

Countries

Panama, Paraguay

Outcome results

None listed

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