iBio Inc. filed SEC Form 8-K: Regulation FD Disclosure, Other Events, Financial Statements and Exhibits
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Item 7.01. Regulation FD Disclosure.
On April 7, 2025, iBio, Inc., (the “Company”) issued a press release announcing data from a non-human primate study of IBIO-600, the Company’s long-acting anti-myostatin antibody, and preclinical data of a first-in-class Activin E antibody. A copy of the press release is furnished herewith as Exhibit 99.1.
The non-human primate data showed extended half-life and muscle growth. The results indicate IBIO-600 promoted a dose-dependent increase in lean mass and a reduction in fat mass from baseline values. Standard PK calculations indicated the half-life of IBIO-600 in non-human primates was 40 to 52 days. Non-human primate pharmacokinetics data suggests IBIO-600, a potentially best-in-class long-acting anti-myostatin antibody, could have a human half-life as long as 130 days.
Preclinical data for a first-in-class Activin E antibody disclosed in January, showed that the antibody effectively blocks Activin E signaling in human adipocytes and is currently being evaluated in an exploratory study with obese mice, both as a monotherapy with bi-weekly dosing and in combination with semaglutide dosed daily. After only two weeks of dosing, monotherapy resulted in fat-selective weight loss of approximately 4%, with a significant 18% reduction in total body fat compared to placebo. Notably, when combined with semaglutide, the Activin E antibody demonstrated a strong synergistic effect, enhancing total weight loss by an additional 9% beyond GLP-1 therapy alone, leading to an overall weight reduction of 34%. This combination also resulted in a remarkable 72% reduction in body fat over the treatment period, as measured by DEXA scans.
The information in this Item 7.01 and in the press release furnished as Exhibit 99.1 to this Current Report on Form 8-K shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”) and shall not be incorporated by reference into any filing with the Securities and Exchange Commission made by the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.
Item 8.01. Other Events.
On April 7, 2025, the Company issued a press release announcing data from a non-human primate study of IBIO-600, the Company’s long-acting anti-myostatin antibody, and preclinical data of a first-in-class Activin E antibody. A copy of the press release is furnished herewith as Exhibit 99.1.
The non-human primate data showed extended half-life and muscle growth. The results indicate IBIO-600 promoted a dose-dependent increase in lean mass and a reduction in fat mass from baseline values. Standard PK calculations indicated the half-life of IBIO-600 in non-human primates was 40 to 52 days. Non-human primate pharmacokinetics data suggests IBIO-600, a potentially best-in-class long-acting anti-myostatin antibody, could have a human half-life as long as 130 days.
Preclinical data for a first-in-class Activin E antibody disclosed in January, showed that the antibody effectively blocks Activin E signaling in human adipocytes and is currently being evaluated in an exploratory study with obese mice, both as a monotherapy with bi-weekly dosing and in combination with semaglutide dosed daily. After only two weeks of dosing, monotherapy resulted in fat-selective weight loss of approximately 4%, with a significant 18% reduction in total body fat compared to placebo. Notably, when combined with semaglutide, the Activin E antibody demonstrated a strong synergistic effect, enhancing total weight loss by an additional 9% beyond GLP-1 therapy alone, leading to an overall weight reduction of 34%. This combination also resulted in a remarkable 72% reduction in body fat over the treatment period, as measured by DEXA scans.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
Exhibit No. |
| Description |
99.1 | ||
104 |
| Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: April 7, 2025 | IBIO, INC. | |
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| By: | /s/ Marc A. Banjak |
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| Name: Marc A. Banjak |
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| Title: Chief Legal Officer |