Press Release

FDA clears Stentra™: a Press roundup on a new standard in radiotherapy

FDA clears Stentra™: a Press roundup on a new standard in radiotherapy

Stentra oral device in it's container

Kallisio has achieved a major milestone in its mission to transform cancer care with the recent FDA 510(k) clearance of Stentra™, its patient-specific 3D-printed intraoral immobilization and positioning device designed for radiotherapy in head and neck cancers.

The device, tailored for each patient through digital dental impressions, aims to optimize the positioning of anatomical structures during radiation therapy, minimizing exposure to healthy tissues and improving treatment precision.

According to NS Medical Devices, “Stentra offers a customizable solution designed to reduce treatment side effects such as oral mucositis, xerostomia, and trismus.”

MassDevice highlights the clinical motivation behind the innovation: “By immobilizing and displacing non-target tissues, Stentra significantly enhances radiation therapy accuracy,” reducing collateral damage to critical areas like the tongue and salivary glands.

The clearance marks a turning point in personalized oncology. As reported by Cancer Network, “The device provides physical spacing between healthy tissues and tumor targets, thereby potentially lowering radiation-induced toxicities.”

Leveraging 3D printing and digital workflows, Kallisio streamlines the traditionally manual device fabrication process. 3DPrint.com notes, “Stentra represents a convergence of precision medicine and additive manufacturing, enabling rapid production of individualized devices.”

The company’s commitment to scalability and clinical accessibility also caught the attention of 3Dnatives, which stated: “Kallisio has developed an end-to-end workflow from imaging to delivery in under a week—a crucial feature in time-sensitive cancer treatments.”

Echoing the industry excitement, 3D Printing Industry concluded: “With this FDA clearance, Kallisio is paving the way for next-generation radiation therapy, setting a precedent for customized medical devices in oncology.”

With Stentra now FDA-cleared, Kallisio positions itself as a leading innovator in personalized cancer care, with ambitions to scale its solution internationally in the coming year.

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A profile view of a person using the Kallisio Stentra intraoral positioning system. The image features a semi-transparent anatomical overlay showing the device positioning the tongue and soft tissues within the mouth and jaw. A heatmap overlay indicates the targeted radiation treatment area for head and neck cancer.
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Radiation Oncologist Details

Stentra™ is FDA cleared and prescribed (Rx) by the Radiation Oncologist. To build a Stentra device, we need to know how the Radiation Oncologist wants to position the patient's tongue. We also need the patient's target simulation date to ship Stentra™ in time for planning. Once we have the information outlined in this form and the required oral optical scans, the Stentra™ device can be delivered in as little as 72 hours. Please review the Stentra™ types below and fill out the following information:

Stentra™ types

If you are not the patient's Radiation Oncologist but are placing this order on their behalf, we need your information as well.

Radiation Oncologist Details

Stentra™ is FDA cleared and prescribed (Rx) by the Radiation Oncologist. To build a Stentra device, we need to get the order and prescription from the patient's radiation oncology team. We also need the patient's target simulation date to ship Stentra™ in time for planning. Once we have the required oral optical scans, the Stentra™ device can be delivered in as little as 72 hours. Please provide the following information:

Case approval

Providing Additional Information

If you would like, you can download and print out our brochure found on our patient page under « talk to your doctor ». Please bring this brochure to your Radiation Oncologist and ask them to look into whether this is a good option for your case.

Your dental practice

Your Radiation Oncologist

Your dental practice or provider equipped with an intraoral optical scanner

What happens next

Thank you for submitting the order request. When this form is submitted, if you provided an email to us, we will dispatch an onboarding invite to the radiation oncology clinic via email requesting that they register their practice and authorize the order for your patient. If no email was provided, please call the patient's radiation clinic to get them onboard and fill out an order form through our website.

What happens next:

  1. Review instructions. Detailed scan protocols and submission instructions will be emailed to the addresses associated with your dental clinic listed in your request.
  2. Continue with the scan. If all dental work has been done and the patient is cleared to start radiation therapy, continue with the scan following the instructions sent to you.
  3. Oncology setup. Once the radiation oncology team completes their setup, authorizes and confirms the order, we can start fabricating the device.

Thank you for your partnership in getting this patient ready for treatment.

Billing Information

Reimbursement information — for reference only. This is not billing advice and does not guarantee coverage or payment. Providers are responsible for code selection, documentation, and claim accuracy.

CPT® 77334 (Treatment devices, design and construction; complex) covers complex radiation therapy devices designed and fabricated for an individual patient. Physician involvement in device selection, design, and placement should be documented.

Stentra™ is an FDA 510(k) cleared (K232293), patient-specific intraoral positioning device. Providers may consider CPT 77334 for its design and construction, subject to their own coding review.

Delivery method: the code is not limited to one technique and may apply across IMRT, 3D-CRT, and other external beam approaches.

Multiple devices: when a thermoplastic mask and Stentra™ each serve a distinct, documented purpose, each may be separately reportable, subject to NCCI edits, MUE limits, and payer policy.

Questions: contact Kallisio at care@kallisio.com. For coding decisions, consult your coding and compliance team.

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