Company: MDCXW
Filing Date: 2025-11-19
Form Type: S-1
Source: 0001062993-25-016962
Chunk: 0

Company: Medicus Pharma Ltd.
Filing Date: 2025-11-19
Form: S-1
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on November 19, 2025.</div>

Registration No. 333-

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-1

REGISTRATION STATEMENT
UNDER THE SECURITIES ACT OF 1933

MEDICUS PHARMA LTD.

(Exact name of Registrant as specified in its charter)</div>

| Ontario, Canada                 |                         2834 | 98-1778211            |
| (State or other jurisdiction of 
 incorporation or organization)  | -Primary Standard Industrial 
   Classification Code Number | -I.R.S. Employer      
 Identification Number |

<div align='center'>300 Conshohocken State Rd., Suite 200
W. Conshohocken, PA 19428
(Address, including zip code, and telephone number, including area code, of
Registrant's principal executive offices)

Medicus Pharma Inc.
300 Conshohocken State Road, Suite 200
Conshohocken, PA 19428
(Name, address, including zip code, and telephone number, including area code, of agent of service)</div>

| Copies to:                                   |                               |
| Christopher J. Cummings                      
 Paul, Weiss, Rifkind, Wharton & Garrison LLP 
 1285 Avenue of the Americas                  
 New York, NY                                 
 10019-6064                                   
 Telephone: (212) 373-3000                    
 Facsimile: (212) 757-3990                    | Aaron Sonshine                
 Bennett Jones LLP             
 3400 One First Canadian Place 
 P.O. Box 130, Toronto, ON     
 M5X 1A4                       
 Telephone: (416) 777-6448     
 Facsimile: (416) 863-1716     |

Approximate date of commencement of proposed sale to the public:From time to time after this Registration Statement becomes effective.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act, check the following box. ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment