If you have questions or are looking to partner with us, we will connect you with someone who can help.

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Medical Information

Have a question related to our medicines? Requests can be submitted to a Chiesi Global Rare Diseases Medical Information team member by using the following form, or via the email address or phone number listed below.

Phone: (888) 661-9260
Fax: (866) 443-3092
Email:  us.medical@chiesi.com


Adverse events may also be reported to the FDA’s MedWatch Program at www.fda.gov/medwatch or call
(800) FDA-1088.

Business Development

Chiesi Global Rare Diseases is always seeking new opportunities to address significant clinical unmet needs in the rare disease community by expanding our portfolio through strategic acquisitions, licensing of existing marketed, or registration-stage products and assets under development.


If you have an opportunity, we invite you to submit a detailed nonconfidential package to us.busdev@chiesi.com

Job Inquiries


Explore current available positions at:



Expanded Access Program

Requests for Expanded Access must be made by the patient’s treating physician. The treating physician must be actively licensed; fully qualified to administer the Investigational Product; willing to comply in writing to abide by any Chiesi requirements related to medical criteria, safety reporting, drug use, and protection of intellectual property; committed and supportive of the requested treatment, and to have determined in his/her own judgment that the potential benefits outweigh the risks of treatment.


The treating physician may make the request for Expanded Access at https://chiesi.versaic.com.


Refer to https://www.chiesiusa.com/contact-us/expanded-access-programs/ for full eligibility criteria and terms and conditions of the programs.

Grant Program

Our grant program funding focuses on the following areas:


Independent medical education

Healthcare-related charitable support

Scientific project support

Medical fellowships


Apply for grant support at: https://chiesi.versaic.com/

Other Inquiries


Patient Support



Patient Advocacy

Email: grd.patientadvocacy@chiesi.com


General Information (including an employee directory)
Phone: (888) 466-6505


Client Services (product availability, returns, invoicing, NDC numbers)
Phone: (888) 466-6505 x6511


Compliance or Legal Concerns
Email: us.legal@chiesi.com


Email:  us.contact@chiesi.com

Chiesi Global Rare Diseases

Global Headquarters

One Boston Place, Suite 4030

Boston, MA 02108

United States

Europe & Emerging Markets Headquarters

Via Paradigna 131/A

43122 Parma