Explore our software and research code on GitHub. Repositories accompanying published manuscripts are listed with their paper references below. You can also find repository links alongside the associated papers on our publications page.

Explore the related tumor microbiome studies on the exORIEN Consortium page.

Tools and packages

mt.surv

Rank microbial abundances or gene expression features by their association with survival across multiple thresholds.

GitHub · Installation and usage

tmesig

Calculate tumor microenvironment gene expression signatures, including hypoxia and cell phenotype scores.

GitHub · Installation · User manual

microsig

Calculate microbial signature scores from abundance data and lists of enriched or depleted microbes, including BugSigDB signatures.

GitHub · Installation and usage

exotic

Estimate low-abundance microbes in host-dominated sequencing data using processing and contamination-filtering functions.

GitHub · Installation · User manual · Associated paper and analyses

mec-tx

Encode and compare oncology treatment timelines, cluster patients by treatment patterns, and analyze survival in real-world cohorts.

GitHub · Installation and usage · Zenodo

mhealth-iit

Support participant consent and Fitbit data sharing for academic clinical trials with an R Shiny app.

GitHub and documentation · Zenodo

trial-end

Estimate trial accrual and completion dates from recruitment progress, target enrollment, and study duration.

GitHub and documentation · Open app

Code associated with submitted manuscripts

OCRscore

Analysis code for the oxygen consumption / OXPHOS transcriptional score and its relationship to lung tumor hypoxia and treatment resistance. Calculate the score using the tmesig package; this repository contains the manuscript figure scripts and supporting data.

GitHub · Manuscript analysis guide

Benej M et al. (2026). Mitochondrial Oxygen Consumption Drives Lung Tumor Hypoxia and Resistance to Therapy via Copy Number Alteration in Mitochondrial Electron Transport Subunit NDUFB5. bioRxiv. Preprint.

Graphical abstract
Study overview connecting mitochondrial oxygen consumption, NDUFB5 copy number, lung tumor hypoxia, and treatment resistance.
View full size · Repository source

bewell

Code and processed data for the BE WELL trial (Berry nEctar Working to End Lung cancer), a phase I/II placebo-controlled study of black raspberry nectar in long-term smokers at high risk for lung cancer.

GitHub · v1.0.0 · Zenodo · ClinicalTrials.gov: NCT04267874

Bittoni MA, Jahanbakhshi S, et al. (2026). A phase I/II placebo-controlled trial of black raspberry nectar for cancer prevention in long-term smokers at high risk for developing lung cancer (NCT04267874). Manuscript submitted.

The companion mouse-model analyses are in bewell-mice.

bewell-mice

Code and figure panels asking whether BE WELL microbiome changes, including Blautia obeum, improve anti-PD-1 response after fecal transfer into tumor-bearing mice.

GitHub · v1.0.0 · Companion trial repository

Jahanbakhshi S, Bibi A, et al. (2026). Berry Supplement-Modified Human Microbiome Improves Immunotherapy Response in Mouse Models. Manuscript submitted. Preprint.

adjing

Scripts to regenerate analyses and figures for pretreatment T-cell transcriptional signatures that predict immunotherapy outcomes in adjuvant and metastatic melanoma.

GitHub · v1 · Zenodo

Lepola N, Dravillas C, et al. (2026). Pre-treatment T-cell Transcriptional Signatures Predict Immunotherapy Outcomes in Melanoma. Manuscript submitted. Preprint. Research Square.

mitox

Manuscript analyses of microbiome biomarkers, immunotherapy response, and immune-related adverse events from the melanoma clinical trial. The repository also includes the original trial power calculations and study planning code. Manuscript submitted.

GitHub · ClinicalTrials.gov: NCT05102773 (OSU-19125)

Code associated with published manuscripts

ppiio

Code and processed data for analyses of proton pump inhibitor use, prior chemotherapy, and immunotherapy outcomes, including gut microbiome and circulating immune cell signatures.

GitHub and documentation

Petouhoff A et al. (2026). Impact of proton pump inhibitors on immunotherapy is modulated by prior chemotherapy and linked to gut microbiome–immune cell signatures. Cancer Immunology, Immunotherapy, 75, 98.

Graphical abstract
Proton pump inhibitor use, prior chemotherapy, gut microbiome, and circulating immune-cell signatures are examined in relation to immunotherapy outcomes.
View full size · Repository source

Breast tumor microbiome and antitumor immunity

Graphical abstract
Human breast-tumor analyses and mouse experiments connect intratumoral Staphylococcus, CD8 T-cell activity, NAD metabolism, and tumor growth.
View full size · Repository source

Ketogenic diets and cancer immunotherapy

Graphical abstract
Review of ketogenic diet cancer trials connecting dietary intervention, microbiome changes, and immune checkpoint blockade.
View full size · Repository source

Early-onset colorectal cancer

exorien-exogieo

exorien-exogieo

Jin N et al. (2025). Epigenetic Modulation, Intratumoral Microbiome, and Immunity in Early-Onset Colorectal Cancer. Cancer Research Communications, 5(11), 1985–1997.

Graphical abstract
Early-onset colorectal tumors show accelerated epigenetic aging and stronger positive microbe–immune correlations, without a consistent microbial marker across datasets.
View full size · Repository source

Melanoma microbiome and immunotherapy

exorien-melio

exorien-melio — Tumor microbiome analyses and figures for the paper below.

Related publication:

Dravillas CE et al. (2024). The Tumor Microbiome as a Predictor of Outcomes in Patients with Metastatic Melanoma Treated with Immune Checkpoint Inhibitors. Cancer Research Communications, 4(8), 1978–1990.

Graphical abstract
Baseline RNA sequencing of 71 metastatic melanomas combines exotic tumor microbial profiles with host immune signatures to predict outcomes after immune checkpoint inhibition; the combined model has an AUROC of 0.805.
View full size · Repository source

Tumor hypoxia and radiation response

exorien-recrad

exorien-recrad

Benej M et al. (2024). The Tumor Microbiome Reacts to Hypoxia and Can Influence Response to Radiation Treatment in Colorectal Cancer. Cancer Research Communications, 4(7), 1690–1701.

Graphical abstract
Colorectal tumor RNA sequencing links hypoxia scores and microbes to survival and radiation response; mouse experiments examine changes in microbial activity with altered oxygenation.
View full size · Repository source

Microbiomes and adipose tissue inflammation

atbac

Shantaram D et al. (2024). Obesity-associated microbiomes instigate visceral adipose tissue inflammation by recruitment of distinct neutrophils. Nature Communications, 15, 5434.

Functional health in older adults with lung cancer

Graphical abstract
The FITNESS study links repeated geriatric assessments, treatment toxicity, stool microbiome, and blood T-cell measurements in older adults with lung cancer.
View full size · Repository source

Estimating microbes in tumor RNA-seq data

exotic-manuscript — Analysis scripts accompanying the exotic tool described above.

Hoyd R et al. (2023). Exogenous Sequences in Tumors and Immune Cells (Exotic): A Tool for Estimating the Microbe Abundances in Tumor RNA-seq Data. Cancer Research Communications.

Comorbidities and immunotherapy outcomes

co-mo-io

Johns AC et al. (2023). Association of medical comorbidities and cardiovascular disease with toxicity and survival among patients receiving checkpoint inhibitor immunotherapy. Cancer Immunology, Immunotherapy, 72(7), 2005–2013.

Aging microbiome and immunotherapy

mageio

mageio

Spakowicz D et al. (2021). The aging microbiome and response to immunotherapy: Considerations for the treatment of older adults with cancer. Journal of Geriatric Oncology, 12(6), 985–989.

Concomitant medications and immunotherapy

co-med-io

Code for causal models and analyses of concomitant medications, the microbiome, and survival during immune checkpoint inhibitor treatment.

GitHub

Spakowicz D et al. (2020). Inferring the role of the microbiome on survival in patients treated with immune checkpoint inhibitors: causal modeling, timing, and classes of concomitant medications. BMC Cancer, 20, 383.

Graphical abstract
Concomitant medication classes and timing are analyzed in relation to survival during immune checkpoint inhibitor treatment, with causal models exploring the microbiome.
View full size · Repository source

Microbe–gene relationships in asthma

decoasthma

Spakowicz D et al. (2020). Approaches for integrating heterogeneous RNA-seq data reveal cross-talk between microbes and genes in asthmatic patients. Genome Biology, 21, 150.

Neutrophil-to-lymphocyte ratio during immunotherapy

nlr-io

nlr-io

Li M et al. (2019). Change in neutrophil to lymphocyte ratio during immunotherapy treatment is a non-linear predictor of patient outcomes in advanced cancers. Journal of Cancer Research and Clinical Oncology, 145(10), 2541–2546.

Graphical abstract
A moderate decrease in neutrophil-to-lymphocyte ratio during immunotherapy is associated with longer survival than large decreases or increases.
View full size · Repository source

Code associated with conference abstracts

Lung tumor microbes and immune infiltration

aacrmv20

Hoyd R et al. (2020). Intratumoral microbes correlate with tumor-infiltrating lymphocytes in lung cancer RNAseq. Cancer Research, 80(8 Supplement), B30. Conference abstract.

Microbiome and hypoxia in head and neck cancer

exohnsc

Dhakal A et al. (2022). Association of Tumor Microbiome and Hypoxia Expression Signatures in Different Anatomic Subsites of Head and Neck Cancer. International Journal of Radiation Oncology, Biology, Physics, 114(3 Supplement), e529–e530. Conference abstract.

Other research and study code

  • diacomp20 — Code supporting studies of diabetic complications in preclinical models.
  • mimic — Code studying lifestyle interventions and gut microbiome effects on cancer immunotherapy in mice.
  • modbio — Power calculations, data processing, and analyses for the modbio companion to the INSIGNA clinical trial.
  • nktcan — Analyses and calculations studying NKT cells in cancer.