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legal notices

This site is operated by Zahrcast LLC, a Maryland limited liability company. The name zahrcast is written in lowercase as a brand convention. The legal entity is Zahrcast LLC.

not advice

This site describes research methods and retrospective case studies. It is not medical, clinical, regulatory or investment advice. The forecasts shown are illustrations of the method on historical data. They are not predictions about any product or company. Do not make decisions based on this site without a written engagement with Zahrcast LLC.

no warranty

The content of this site is provided as is, without warranties of any kind, express or implied. To the extent permitted by law, Zahrcast LLC is not liable for any loss arising from use of this site or reliance on its content.

intellectual property

Unless noted otherwise, the text, figures, diagrams, charts and code on this site are © 2026 Zahrcast LLC. All rights reserved. Figures and data files derived from clinical trial data are published only to report research results, and the underlying trial data remains the property of its providers. You may link to this site and quote brief excerpts with attribution. Any other reproduction or redistribution, including automated collection of the site's content or its use to train or build models, requires written permission from Zahrcast LLC.

zahrcast and the zahrcast glyph are trademarks of Zahrcast LLC.

The manuscript linked from this site, arXiv:2607.17908, is the work of its authors and is licensed under CC BY 4.0. The Sia source is private and licensed under PolyForm Noncommercial 1.0.0. The Khand and Liter typefaces are licensed under the SIL Open Font License.

third parties

Company, trial and product names belong to their owners and are used only to identify the trials studied. Those owners are not affiliated with Zahrcast LLC and have not reviewed or endorsed this site. Karim Naguib's former employers are named for background only. The views and methods on this site are those of Zahrcast LLC and not of any former employer.

data

The case studies use de-identified clinical trial data. The trial data belongs to the companies that provided it, and its source is acknowledged in the references on the main page. This site publishes no patient-level data.

information you send

Information sent to Zahrcast LLC by email or other unsolicited means is not treated as confidential and creates no obligation for Zahrcast LLC. Do not send confidential information or patient-level data before a nondisclosure agreement is in place. Zahrcast LLC will provide one on request.

privacy

This site sets no cookies. It counts page views with GoatCounter, which does not use cookies, store IP addresses or build visitor profiles. The pages load a font from Google Fonts, and the case study pages also load a charting library from cdnjs. GoatCounter, Google Fonts and cdnjs receive your IP address when a page that uses them loads.

governing law

These notices are governed by the laws of the State of Maryland, without regard to its conflict-of-laws rules.

Questions: email. Last updated 6 October 2026.