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Presentation at 2022 AAD Innovation Academy to Showcase the Risk Stratification of DecisionDx®-Melanoma and its Role in the Management of Patients with Cutaneous Melanoma


Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced an upcoming presentation on DecisionDx®-Melanoma, the Company’s risk stratification gene expression profile (GEP) test, at the 2022 American Academy of Dermatology (AAD) Innovation Academy, being held in Vancouver, Canada, July 21-24.

DecisionDx-Melanoma is designed to inform two clinical questions in the management of cutaneous melanoma:

  1. a patient's individual risk of sentinel lymph node positivity; and
  2. a patient's personal risk of recurrence and/or metastasis.

Integrating a patient’s tumor biology and their clinicopathologic features, DecisionDx-Melanoma provides comprehensive and actionable results to guide risk-aligned patient care.

Aaron Farberg, M.D., FAAD, dermatologist and Mohs surgeon at Derm Texas and Baylor Scott & White Health System in Dallas, Texas, will be sharing an overview of the test and data highlights that demonstrate how incorporating DecisionDx-Melanoma test results into decision-making between a patient and his/her clinician can help guide cutaneous melanoma management decisions and improve patient outcomes. The presentation details are as follows:

Presentation Title: The 31-Gene Expression Profile Test for Cutaneous Melanoma
Session: Future of Dermatology Session 2: Advanced Diagnostics
Date: Thursday, July 21, 2022
Location: Ballroom B
Time: 2:40-2:55 p.m. Pacific time

“DecisionDx-Melanoma provides clinically actionable and personalized risk stratification information, based on each patient’s tumor biology, that I cannot obtain through any other test,” said Farberg. “It gives me confidence that I am making more informed, risk-based treatment plan decisions aligned with each patient’s risk of metastasis or recurrence.”

About DecisionDx®-Melanoma

DecisionDx-Melanoma is a gene expression profile test that uses an individual patient’s tumor biology to predict individual risk of cutaneous melanoma (CM) metastasis or recurrence, as well as the risk of sentinel lymph node positivity, independent of traditional staging factors, and has been studied in more than 9,000 patient samples. Using tissue from the primary melanoma, the test measures the expression of 31 genes. To predict risk of recurrence and likelihood of sentinel lymph node positivity, the Company utilizes its proprietary algorithms, i31-ROR and i31-SLNB, to produce an Integrated Test Result. Additionally, Castle has an ongoing collaboration with the National Cancer Institute (NCI) to link DecisionDx-Melanoma testing data with data from the Surveillance, Epidemiology and End Results (SEER) Program’s registries on CM cases. This collaboration resulted in a study to evaluate melanoma-specific survival and overall survival where the patients tested with DecisionDx-Melanoma had better survival rates than untested patients. This data suggests that DecisionDx-Melanoma can accurately risk-stratify for disease progression to aid in risk-aligned treatment plans for improved patient outcomes and survival. DecisionDx-Melanoma has been validated in four archival risk of recurrence studies of more than 900 patients and six prospective risk of recurrence studies including more than 1,600 patients. Impact on patient management plans for one of every two patients tested has been shown in five multi-center/single-center studies including more than 800 patients. The consistent performance and accuracy demonstrated in these studies provides confidence in disease management plans that incorporate DecisionDx-Melanoma test results. Through March 31, 2022, DecisionDx-Melanoma has been ordered 97,288 times for patients with cutaneous melanoma.

About Castle Biosciences

Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care. The Company aims to transform disease management by keeping people first: patients, clinicians, employees and investors.

Castle’s current portfolio consists of tests for skin cancers, uveal melanoma, Barrett’s esophagus and mental health conditions. Additionally, the Company has active research and development programs for tests in other diseases with high clinical need, including its test in development to predict systemic therapy response in patients with moderate-to-severe psoriasis, atopic dermatitis and related conditions. To learn more, please visit and connect with us on LinkedIn, Facebook, Twitter and Instagram.

DecisionDx-Melanoma, DecisionDx-CMSeq, DecisionDx-SCC, myPath Melanoma, DecisionDx DiffDx-Melanoma, DecisionDx-UM, DecisionDx-PRAME, DecisionDx-UMSeq, TissueCypher and IDgenetix are trademarks of Castle Biosciences, Inc.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are subject to the “safe harbor” created by those sections. These forward-looking statements include, but are not limited to, statements concerning: the potential of DecisionDx-Melanoma test results to help guide cutaneous melanoma management decisions and improve patient outcomes; and the potential of the test’s clinically actionable and personalized information to help guide patient care and inform the treatment plan for each patient. The word “can” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements that we make. These forward-looking statements involve risks and uncertainties that could cause our actual results to differ materially from those in the forward-looking statements, including, without limitation: subsequent study or trial results and findings may contradict earlier study or trial results and findings or may not support the results discussed in this press release; actual application of our DecisionDx®-Melanoma test may not provide the aforementioned benefits to patients; and the risks set forth under the heading “Risk Factors” in our Quarterly Report on Form 10-Q for the three months ended March 31, 2022, and in our other filings with the SEC. The forward-looking statements are applicable only as of the date on which they are made, and we do not assume any obligation to update any forward-looking statements, except as may be required by law.

Investor Contact:
Camilla Zuckero

Media Contact:
Allison Marshall

Source: Castle Biosciences, Inc.

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