UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
CURRENT REPORT
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| Item 7.01 | Regulation FD Disclosure |
On December 7, 2022, Vor Biopharma Inc. (the “Company”) issued a press release announcing initial clinical proof-of-concept data from VBP101, its Phase 1/2a clinical trial of VOR33. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
In connection with the announcement, the Company will host a call and webcast on December 7, 2022 at 8:00 a.m. ET. Call details are contained in the press release referenced above. Accompanying slides may be accessed through the “Investors” section of the Company’s website at www.vorbio.com. A copy of these slides is attached hereto as Exhibit 99.2 and is incorporated herein by reference.
The information furnished under this Item 7.01, including Exhibits 99.1 and 99.2, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information in this Item 7.01, including Exhibits 99.1 and 99.2, shall not be deemed incorporated by reference into any other filing with the U.S. Securities 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 |
Clinical Update
On December 7, 2022, the Company announced initial clinical data from the first treated patient in its Phase 1/2a clinical trial of trem-cel (formerly VOR33) in combination with Mylotarg. A product dose of 7.6 x106 CD34+ viable cells/kg, with a CD33 editing efficiency of 88% was manufactured. Following myeloablative conditioning, trem-cel was infused with no infusion reactions. The patient achieved neutrophil engraftment 10 days post-transplant which was within expectations for CD34-enriched transplants. Platelet recovery was observed on Day 22. Hematopoietic cell sub-population reconstitution was robust with over 90% of peripheral blood cells negative for CD33 expression, and 100% donor chimerism was achieved. These data provide proof-of-concept that trem-cel can engraft as expected and that CD33 does not appear to be biologically necessary for engraftment and hematopoietic reconstitution.
The patient received Mylotarg at a dose of 0.5 mg/m2. At this dose, Mylotarg saturates CD33 antigen in patients with relapsed/refractory AML, and in the original Phase 1 trial of Mylotarg, neutropenia was observed across dose levels starting at 0.25mg/m2 within 14 days of infusion. No treatment related adverse events and no liver enzyme changes were observed through day 20 following Mylotarg dosing. No negative impacts to neutrophil and platelet counts were observed through day 20, suggesting tolerability at this initial dose level.
The clinical trial continues to enroll patients and additional data are expected in 2023.
Regulatory Update
On August 16, 2022, President Biden signed the Inflation Reduction Act of 2022 (“IRA”) into law, which among other things, (1) directs the U.S. Department of Health and Human Services (“HHS”) to negotiate the price of certain single-source drugs and biologics covered under Medicare and (2) imposes rebates under Medicare Part B and Medicare Part D to penalize price increases that outpace inflation. These provisions will take effect progressively starting in fiscal year 2023, although they may be subject to legal challenges. It is currently unclear how the IRA will be implemented but is likely to have a significant impact on the pharmaceutical industry. Further, the Biden administration released an additional executive order on October 14, 2022, directing HHS to submit a report within ninety (90) days on how the Center for Medicare and Medicaid Innovation can be further leveraged to test new models for lowering drug costs for Medicare and Medicaid beneficiaries.
| Item 9.01 | Financial Statements and Exhibits |
| Exhibit |
Description | |
| 99.1 | Press release, dated December 7, 2022 | |
| 99.2 | Company Presentation | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) | |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| Vor Biopharma Inc. | ||||||
| By: | /s/ Robert Ang | |||||
| Robert Ang | ||||||
| Chief Executive Officer | ||||||
| Date: December 7, 2022 | ||||||