Overview	3 Months Ended
Mar. 31, 2025
Accounting Policies [Abstract]
Overview	Note 1. Overview Soleno Therapeutics, Inc. (the Company or Soleno) is a biopharmaceutical company developing novel therapeutics for the treatment of rare diseases. On March 26, 2025, the Company announced that its lead product candidate, VYKATTM XR (diazoxide choline) extended-release tablets, formerly known as DCCR, had been approved by the U.S. Food and Drug Administration (FDA). VYKAT XR is indicated to treat hyperphagia in adults and pediatric patients four years of age and older with Prader-Willi syndrome (PWS). On April 14, 2025, the Company announced that prescriptions of VYKAT XR had been delivered to the first individuals living with PWS who had been prescribed the medication. The Company is incorporated in the State of Delaware and is headquartered in Redwood City, California.

The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).

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