Company: IXHL
Filing Date: 2025-04-16
Form Type: S-1/A
Source: 0001213900-25-032577
Chunk: 0

Company: Incannex Healthcare Inc.
Filing Date: 2025-04-16
Form: S-1/A
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on April 16, 2025</div>

Registration No. 333-286047

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

PRE-EFFECTIVE AMENDMENT NO. 1

TO

FORM S-3

ON FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

INCANNEX HEALTHCARE INC.

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

| Delaware                     |     |                         2834 |     | 93-2403210         |
| (State or other jurisdiction 
 of incorporation)            |     | -Primary Standard Industrial 
   Classification Code Number |     | -IRS Employer      
 Identification No. |

<div align='center'>Suite 105, 8 Century Circuit Norwest,

NSW 2153 Australia

+61 409 840 786

(Address, including zip code, and telephone number,
including area code, of registrant’s principal executive offices)

Joel Latham

Chief Executive Officer and President

Incannex Healthcare Inc.

Suite 105, 8 Century Circuit Norwest,

NSW 2153 Australia

+61 409 840 786

(Name, address, including zip code, and telephone
number, including area code, of agent for service)

With copies of all communications to:

Scott M. Stanton, Esq.

Melanie Ruthrauff Levy, Esq.

Jason Miller, Esq.

Mintz, Levin, Cohn, Ferris, Glovsky & Popeo, P.C.

3580 Carmel Mountain Road, Suite 300

San Diego, CA 92130

(858) 314-1500</div>

Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration statement.

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 of 1933, 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 filed