# ADC Therapeutics

> ADC Therapeutics SA (NYSE: ADCT) is a commercial-stage biotechnology company headquartered at the Biopôle in Lausanne, Switzerland, with US operations in New Jersey. It discovers and develops antibody drug conjugates (ADCs) for hematologic malignancies and solid tumors. Its approved product ZYNLONTA (loncastuximab tesirine-lpyl) is a CD19-directed ADC for relapsed or refractory diffuse large B-cell lymphoma.

Generated by API Evangelist on 2026-09-07 from this repository's apis.yml and probe artifacts. ADC Therapeutics does not publish an llms.txt of its own (https://www.adctherapeutics.com/llms.txt returned 404).

## Important note for agents

ADC Therapeutics publishes **no public API**. As of 2026-09-07 there is no developer portal, no API reference, no OpenAPI/AsyncAPI/GraphQL contract, no SDK on any public package registry, no MCP server and no A2A agent card on any host the company operates (www.adctherapeutics.com, adctherapeutics.com, ir.adctherapeutics.com, www.adctmedical.com, www.zynlonta.com). Do not attempt to construct API calls against these hosts; there is nothing to call. Everything below is human-readable web content.

## Company

- [ADC Therapeutics](https://www.adctherapeutics.com/): Corporate site — "Innovating Science. Inspiring Hope."
- [Pipeline](https://www.adctherapeutics.com/science-focus/pipeline/): Clinical and preclinical ADC programs.
- [Leadership](https://www.adctherapeutics.com/about-adc-therapeutics/leadership/): Executive team and board.
- [Contact](https://www.adctherapeutics.com/about-adc-therapeutics/contact/): Corporate contact form and office addresses.
- [Culture & Careers](https://www.adctherapeutics.com/culture-careers/culture/): Hiring and company culture.

## Products

- [ZYNLONTA (loncastuximab tesirine-lpyl)](https://www.adctherapeutics.com/zynlonta/): CD19-directed antibody drug conjugate for relapsed or refractory DLBCL.
- [ZYNLONTA patient site](https://www.zynlonta.com/): Patient-facing information for r/r DLBCL treatment.
- [ADCT Medical Information Hub](https://www.adctmedical.com/): Healthcare-professional medical information site.

## Investors

- [Investor Relations](https://ir.adctherapeutics.com/overview): NYSE: ADCT — press releases, SEC filings, events.

## Legal

- [Privacy Policy](https://www.adctherapeutics.com/privacy-policy/)
- [Legal Notice](https://www.adctherapeutics.com/legal-notice/)

## API Evangelist artifacts in this repository

- [Domain security probe](security/adc-therapeutics-domain-security.yml): TLS/HSTS/DNSSEC/CAA/SPF/DMARC observations.
- [Well-known probe](well-known/adc-therapeutics-well-known.yml): Recorded absence of every discovery document across all five hosts.