2024 Here we go again., page-253

Here's the meaning of "expanded access", from the link.

"Available: Expanded access is currently available for this investigational treatment, and patients who are not participants in the clinical study may be able to gain access to the drug, biologic, or medical device being studied.

• No longer available: Expanded access was available for this intervention previously but is not currently available and will not be available in the future.
• Temporarily not available: Expanded access is not currently available for this intervention but is expected to be available in the future.
• Approved for marketing: The intervention has been approved by the U.S. Food and Drug Administration for use by the public.