Proprietary LNP Drug Delivery Platform

Advanced LNP is an enabling formulation platform for selected payload, route, and tissue-access needs. It is not the primary antiviral mechanism of the pipeline.

Payload Protection, Targeting, and Controlled Release

Advanced LNP may support payload protection, tissue targeting, controlled release, residence, and uptake when formulation creates a clear development advantage.

01 Delivery Function

Payload protection

Formulations can be tuned for selected therapeutic payloads, including peptides, biologics, and nucleic-acid-based approaches where program data support the pairing.

02 Delivery Function

Targeting and tissue access

Evaluation may include pulmonary, lymphoid, mucosal, central nervous system, or difficult-barrier contexts depending on the intended route and payload.

03 Delivery Function

Controlled release and uptake

Residence time, uptake behavior, and local exposure are evaluated formulation by formulation for the intended site of action.

Blood–Brain Barrier and Central Nervous System Transport

Research-stage materials support continued evaluation of LNP delivery concepts for difficult biological barriers, including blood–brain barrier access and central nervous system transport.

These studies are presented as delivery rationale, not as Macro HRD clinical milestones.

In vivo Analysis
Multi-photon microscope
EB measurements in CSF
Multi-photon microscope 3D imaging and depth slices.
Multi-photon microscope fluorescence panels after dynamic injection.
Evans blue measurements in cerebrospinal fluid panels and bar chart.
Lipid nanoparticle illustration.
Rhodamine-incorporated lipid marker.
Rhodamine-incorporated
lipid
Evans blue
Adapted from Tae et al., ACS Nano 2024.

Lung and Spleen Targeting Data

Research-stage LNP formulation work supports organ-directed delivery across selected tissue contexts, providing preclinical rationale for continued platform development.

In Vivo Imaging
In vivo imaging panels comparing control and LNP biodistribution in mice.
Ex Vivo Imaging

Lung-
targeting
LNP

Lung-targeting LNP surface charge illustration.

Spleen-
targeting
LNP

Spleen-targeting LNP surface charge illustration.
Ex vivo imaging panel for lung-targeting LNP biodistribution.
Ex vivo imaging panel for spleen-targeting LNP biodistribution.
Adapted from Tae et al., ACS Nano 2024.
Preclinical Imaging / Biodistribution

Lung-targeting LNP

Research-stage materials describe LNP variants optimized for pulmonary targeting in lung-directed contexts.

Preclinical Imaging / Biodistribution

Spleen-targeting LNP

Research-stage materials describe spleen-targeting LNP behavior relevant to lymphoid delivery and immune-compartment access.

Organ-directed Delivery

Selected tissue contexts

Delivery behavior is evaluated by formulation, route, payload, and intended tissue-access need.

Deliverability Evidence in Selected Models

Available in vitro and in vivo studies are used as delivery rationale for difficult target-cell and tissue contexts.

Delivery to Tough Target cells
In vitro and in vivo deliverability panels showing LUCA LNP delivery to optic nerve cells.
Adapted from Tae et al., ACS Nano 2024.

Broader Therapeutic Potential

Although Macro HRD's public pipeline is focused on infectious disease, Advanced LNP may have broader relevance where formulation is a limiting factor.

Potential future applications may include central nervous system, barrier, organ-directed, mucosal, or local delivery contexts guided by future evidence.

HPV Topical

Potential formulation support for mucosal residence, epithelial localization, and local exposure in HPV-specific studies.

HIV Trispecific Antibody

Optional supportive delivery evaluation for reservoir-tissue access where formulation adds value.

Future Difficult-Tissue Delivery

Potential delivery applications in central nervous system, barrier, or organ-directed contexts guided by future evidence.

Related Programs and Technology Platforms

The platform may support AH-D Enveloped Viruses formulation, HIV Trispecific Antibody delivery evaluation, or HPV topical exploration where program data justify the pairing.