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CARB-X Funding Opportunities is a grant from CARB-X that funds preclinical research and development of antibacterial products targeting antimicrobial resistance (AMR). CARB-X supports small biotech companies, academic researchers, and nonprofit organizations worldwide working on therapeutics, preventatives, and diagnostics aligned with published Target Product Profiles.
Expressions of Interest for the 2026 funding round were accepted from April 8 to April 22, 2026. Eligibility and award amounts vary by funding theme; applicants must meet minimal entry criteria outlined in the Target Product Profiles. Applications are evaluated on scientific merit, and selected applicants proceed to full proposal submission through the CARB-X Portal.
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Applicants who have not yet applied will be first asked to register in the CARB-X Portal. To register and to submit an Expression of Interest, click on the button below. For technical assistance logging into the CARB-X Portal, please email carbxptl@bu.
edu . Target Product Profiles and minimal entry criteria for each theme can be found here . We highly encourage you to read our Frequently Asked Questions .
View the slides from the 2026 funding round webinars here . Expressions of Interest (EOI) for both themes may be submitted from 08 April 2026 at 10:00 ET to 22 April 2026 at 23:59 ET. In the EOI, you will be asked to answer a series of questions about your proposed project and will be given the opportunity to share pertinent, non-confidential details, in free text.
Your application will be judged on the merits of its scientific content; describe your science with as much data as possible. Please do provide sufficient data to allow a knowledgeable scientist to get a reasonable sense of the therapeutic/preventative/diagnostic. Do not provide other manuscripts, references, citations or similar.
Note that the form can only accept text; you may not enter tables or graphics. Do not include foundational information regarding the significance of antibiotic resistance; this is not necessary, as the reviewers understand this.
According to the current listing, eligibility includes: Small biotech companies, academic researchers, and nonprofits worldwide with preclinical AMR products; eligibility criteria vary by funding theme as outlined in Target Product Profiles. Confirm the full requirements in the official notice before applying.
The published deadline was April 22, 2026, which has passed. Check the official notice for any future application windows before investing time in a proposal.
CARB-X Funding Opportunities is funded by CARB-X. Verify program details on the funder's official page before applying.
This listing is flagged as international in scope. Check the official notice for country-specific restrictions before applying.
Applications go through the funder's official portal — the Apply Now link on this page goes there directly.