Terms of Service

Please read these terms carefully before using PK-Swift.

1. Acceptance of Terms

By accessing or using PK-Swift at pk.vibed-lab.com, you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the service.

PK-Swift is operated by Jay, a licensed pharmacist and researcher at Vibed Lab. Contact: contact@vibed-lab.com.

2. Intended Use — Educational and Research Only

PK-Swift is designed exclusively for:

  • Education: Teaching and learning pharmacokinetic analysis methods (NCA, BE, IVIVC, NPS)
  • Research: Exploratory PK data analysis, rapid hypothesis testing, and preliminary feasibility assessment
  • Visualization: Generation of publication-quality pharmacokinetic graphs
  • Cross-validation: Verifying computations from other software tools

By using PK-Swift, you agree that you are using it for educational or research purposes only.

3. Regulatory Status — What PK-Swift Is NOT

IMPORTANT: PK-Swift is not a validated regulatory tool. Do not use it as the primary or sole basis for regulatory submissions.

PK-Swift is NOT:

  • A validated software system under 21 CFR Part 11 or any regulatory GxP framework
  • A medical device or software as a medical device (SaMD)
  • FDA-cleared, CE-marked, or approved by any regulatory authority
  • Suitable as the sole basis for regulatory submissions to the FDA, EMA, PMDA, or any other agency
  • A clinical decision-making tool
  • A substitute for commercially validated pharmacokinetic analysis software (e.g., Phoenix WinNonlin) in regulated settings
  • A replacement for expert pharmacokinetic consultation

For full scientific disclaimer and regulatory context, see our Disclaimer & Legal Notice.

4. Service Provision

PK-Swift provides the following services, all running client-side in your browser:

  • Non-Compartmental Analysis (NCA) with Linear-up Log-down trapezoidal integration
  • Bioequivalence (BE) assessment
  • Nonparametric Superposition (NPS) for multiple-dose prediction
  • IVIVC Level A analysis
  • Publication-quality graph generation (Graph Studio)
  • AI Parse — optional feature using Google Gemini API (third-party service)

The service is provided free of charge. We reserve the right to modify, suspend, or discontinue the service at any time without notice.

5. User Obligations

By using PK-Swift, you agree to:

  • Use the service only for lawful, educational, and research purposes
  • Not upload patient-identifiable data into the AI Parse feature without appropriate legal authority and patient consent
  • Not use PK-Swift output as the sole basis for clinical decisions affecting patient care
  • Independently verify any computational results before relying on them for important decisions
  • Not attempt to reverse engineer, decompile, or interfere with the service

6. Limitation of Liability

PK-SWIFT IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

To the maximum extent permitted by applicable law, the developers of PK-Swift shall not be liable for any:

  • Errors, inaccuracies, or omissions in computed pharmacokinetic results
  • Clinical decisions, regulatory submissions, or patient care actions taken based on PK-Swift output
  • Loss of data, research results, or business opportunities
  • Damages arising from software bugs, browser compatibility issues, or computational limitations
  • Consequences of using the software for purposes it was not designed for
  • Third-party service failures (Google Gemini API, CDN services, etc.)

7. Intellectual Property

PK-Swift is an independent, original implementation of standard pharmacokinetic analytical methods derived from publicly available scientific literature. The mathematical formulae used (trapezoidal integration, terminal elimination regression, etc.) are well-established scientific knowledge and not proprietary to any vendor.

PK-Swift uses the following open-source libraries under their respective licenses: D3.js (BSD), SheetJS (Apache 2.0), Font Awesome (CC BY 4.0 / SIL OFL), Inter font (SIL OFL), JetBrains Mono (SIL OFL).

8. Governing Law

These Terms shall be governed by applicable law. PK-Swift is operated as an independent personal project and is not affiliated with any commercial pharmacokinetic software vendor. Any disputes shall first be attempted to be resolved through good-faith communication.

9. Contact

Questions about these Terms of Service:

Last updated: March 6, 2026. By using PK-Swift, you acknowledge that you have read and agree to these Terms of Service.

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