Gut microbiome in CRC patients on fluoropyrimidine chemo, SF
255 gut microbiome samples from adult colorectal cancer patients in San Francisco, USA, studying oral fluoropyrimidine chemotherapy (drug therapy intervention) and its effect on gut bacteria and drug toxicity. machine-written summary
255 samples · 255 runs · US · Adult · 2024 · 7.51 Gbp / sample
Checked this project's papers and archive records yourself? Mark it human-verified.
what each source gave
| ✓ Sequence archive | 2,725 sample values (collection date, country, health condition, health condition detail, latitude, location locality, location region, longitude) |
| ○ Abstract / description | read; no usable statement |
| ✓ Full text | 285 sample values (health condition, health condition detail, location site) · PMC12087798 |
| ○ Supplementary tables | files read; no table could be matched to the samples |
| – External resources | not covered by the external resources we ingest |
| – User contribution | nothing uploaded yet |
| – Human verified | not yet checked by a person · I checked this project — verify it |
intervention — arms not resolved
Non-antibiotic pharmaceutical given as the study intervention (metformin design single_arm_before_after · population colorectal_cancer · Oral fluoropyrimidine (5-FU) chemotherapy in CRC patients; mouse/ex vivo FMT & bacterial colonization
“longitudinal profiling of the human gut microbiome during colorectal cancer (CRC) treatment” — abstract:40238917 (study level; per-sample arms are in the intervention column below)
longitudinal
41 of 42 people sampled more than once (239 samples; median 6, up to 11 per person) · follow-up median 1 d (max 1 d) · median interval between samples 1 d (time from timepoint labels). Schedule stated by the source: “Stool collected at 7 timepoints spanning pre-treatment through Cycle 1, Cycle 2 Day 1, Cycle 3 Day 1, post-treatment” (time origin: intervention_start); stated follow-up 50 d.
Each row is one person (2 shown of 41); dots are samples at days since that person's first sample.
Genera, mean relative abundance over 231 profiled gut samples of this project (Sandpiper SingleM profiles, GTDB R232; low-depth and non-metagenome profiles left out).
| field | samples | coverage | R1 | R2 | R3 | R4 |
|---|---|---|---|---|---|---|
| age_category | 255 | 100% | ||||
| country | 255 | 100% | 255 | |||
| health_condition | 255 | 100% | 240 | 15 | ||
| subject_id | 240 | 94% | 240 | |||
| collection_date | 255 | 100% | 255 | |||
| detailed_location | 255 | 100% | ||||
| health_condition_detail | 255 | 100% | 240 | 15 | ||
| latitude | 255 | 100% | 255 | |||
| location_locality | 255 | 100% | 255 | |||
| location_region | 255 | 100% | 255 | |||
| location_site | 255 | 100% | 255 | |||
| longitude | 255 | 100% | 255 | |||
| medication | 240 | 94% | 240 | |||
| timepoint_label | 235 | 92% | 235 |
- Expansion of a bacterial operon during cancer treatment ameliorates fluoropyrimidine toxicity. 2025 PMID 40238917 PMC12087798 own_data
Archive description
Study of the impact of oral fluoropyrimidine chemotherapy on the gut microbiome in colorectal cancer patients, mice, humanized mice, and stool-derived in vitro communities. All experiments are described in the manuscript "Expansion of a bacterial operon during cancer treatment ameliorates drug toxicity."
How this project entered the registry
Classified as human gut / stool shotgun DNA metagenome of adult by sonnet_x2 with confidence 0.65. Assay shotgun_dna.
- host run.host_tax_id · “9606”
- body site run.scientific_name · “human gut metagenome”
- life stage study.description · “colorectal cancer patients”
Evidence examples (one per field × route)
| sample | field | value | route | conf. | source | quote |
|---|---|---|---|---|---|---|
| SAMN44102592 | collection_date | 2024 | R1 | 0.90 | biosample.attribute:collection_date | 2024 |
| SAMN44102592 | country | US | R1 | 0.90 | sample.attr.geo_loc_name | USA:San Francisco |
| SAMN44102592 | health_condition | colorectal_cancer | R1 | 0.70 | sample.name_rule:library_names | Pa1Tx5FUPt19R2_S185 |
| SAMN44106117 | health_condition | colorectal_cancer | R3 | 0.70 | paper.fulltext.methods | enrolling participants with colorectal adenocarcinoma expected to receive |
| SAMN44102592 | health_condition_detail | Pa | R1 | 0.70 | sample.name_rule:library_names | Pa1Tx5FUPt19R2_S185 |
| SAMN44106117 | health_condition_detail | Colorectal adenocarcinoma patients receiving oral fluoropyrimidine chemotherapy, longitudinal stool collection | R3 | 0.70 | paper.fulltext.methods | patients were treated with oral fluoropyrimidines with longitudinal stool collection |
| SAMN44102592 | latitude | 37.7626 | R1 | 0.90 | biosample.attribute:lat_lon | 37.7626 N 122.4587 W |
| SAMN44102592 | location_locality | San Francisco | R1 | 0.85 | biosample.attribute:geo_loc_name | USA:San Francisco |
| SAMN44102592 | location_region | California | R1 | 0.60 | biosample.attribute:lat_lon | 37.7626 N 122.4587 W |
| SAMN44102592 | location_site | UCSF | R3 | 0.70 | paper.fulltext.methods | Participants were recruited and sampled, without any compensation, at UCSF |
| SAMN44102592 | longitude | -122.4587 | R1 | 0.90 | biosample.attribute:lat_lon | 37.7626 N 122.4587 W |
| SAMN44102592 | medication | chemotherapy | R1 | 0.70 | sample.name_rule:library_names | Pa1Tx5FUPt19R2_S185 |
| SAMN44102592 | subject_id | 19 | R1 | 0.70 | sample.name_rule:library_names | Pa1Tx5FUPt19R2_S185 |
| SAMN44106271 | subject_id | Pt40 | R1 | 0.70 | sample.name_rule:alias | GO_Pt40_Baseline_S184_L003 |
| SAMN44106124 | timepoint_label | Baseline | R1 | 0.70 | sample.name_rule:library_names | GO_Pt1_Baseline_S46 |
| SAMN44106273 | timepoint_label | C1D7 | R1 | 0.70 | sample.name_rule:TITLE | GO_Pt40_C1D7_duplicate_S93_L002 |
Sequencing
255 runs over 255 samples · mean 8.04 Gbp per run (median 7.51 Gbp, total 2,050.36 Gbp; 255 runs with a base count) · layout PAIRED 255 · platform ILLUMINA 255 · models Illumina NovaSeq 6000 (255) · 91% of runs with a Sandpiper profile · first public 2024-12-01
Authors (19)
Trepka KR first · Kidder WA · Kyaw TS · Halsey T · Olson CA · Ortega EF · Noecker C · Upadhyay V · Stanfield D · Steiding P · Guthrie BGH · Spanogiannopoulos P · Dumlao D · Turnbaugh JA · Stachler MD · Van Blarigan EL · Venook AP · Atreya CE · Turnbaugh PJ last
Downloads
PRJNA1169175.csv.gz (7.5 KB) · parquet (80.2 KB) — all 255 samples, every field with route and confidence · PRJNA1169175_determinations.csv.gz (23.1 KB) — 3,010 evidence rows