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PRJEB108131 ERP188997

Metagenomics after vancomycin, 2'-FL vs placebo RCT

CARMA: Human gut long read metagenomics antibiotics and prebiotics RCT

54 stool samples from adults in the Netherlands, all treated with vancomycin for seven days then randomised to a 2'-FL prebiotic or placebo intervention group; intervention study design. machine-written summary

54 samples · 54 runs · NL · Adult · 2026 · 1.26 Gbp / sample

Sources
✓Sequence archive 594✓Abstract / description 54–Full text–Supplementary tables–External resources–User contribution–Human verified

Checked this project's papers and archive records yourself? Mark it human-verified.

what each source gave
✓ Sequence archive594 sample values (age, bmi, collection date, country, intervention, latitude, location region, longitude)
✓ Abstract / description54 sample values (antibiotic exposure)
– Full textno open-access full text linked
– Supplementary tablesno supplementary tables available (or none open access)
– External resourcesnot covered by the external resources we ingest
– User contributionnothing uploaded yet
– Human verifiednot yet checked by a person · I checked this project — verify it
Interventions

intervention · arms resolved

RPrebiotic / dietary fibre supplement: 9 people · 27 samplesprebiotic / fibre 9 people · 27 samplesPlacebo / sham arm (sample level only): 9 people · 27 samplesplacebo 9 people · 27 samples
randomised to parallel arms

Antibiotic given as the study intervention (incl. eradication therapy Prebiotic / dietary fibre supplement design randomized_controlled_trial · population healthy_control · Vancomycin 7 days, then randomised to 2'-FL prebiotic vs placebo

“treated with vancomycin for seven days, and subsequently randomised” — bioproject.description (study level; per-sample arms are in the intervention column below)

Samples at a glance
1 sampling locations · 1 country
Age
adult54
Sex
female30
male24
Country
NL54
Body site
primary54
Collected 2020–2022
2020: 2 samples2021: 36 samples2022: 16 samples20202022
Sequencing depth per sample · this project all projects
all projects, 0–0.03 Gbp: 25,080 samples (4 %)all projects, 0.03–0.1 Gbp: 17,066 samples (3 %)this project, 0.03–0.1 Gbp: 1 samplesall projects, 0.1–0.3 Gbp: 29,179 samples (5 %)all projects, 0.3–1 Gbp: 47,044 samples (8 %)this project, 0.3–1 Gbp: 13 samplesall projects, 1–3 Gbp: 124,983 samples (22 %)this project, 1–3 Gbp: 38 samplesall projects, 3–10 Gbp: 253,728 samples (44 %)this project, 3–10 Gbp: 2 samplesall projects, 10–30 Gbp: 72,533 samples (13 %)all projects, 30–100 Gbp: 3,024 samples (1 %)all projects, 100–300 Gbp: 106 samples (0 %)all projects, ≥ 300 Gbp: 9 samples (0 %)project median 1.26 Gbp per sample0130Gbp
Sampling design and relatedness

longitudinal — not resolved

18 of 18 people sampled more than once (54 samples; median 3, up to 3 per person).

How longitudinal and relatedness information is derived

Community composition

No Sandpiper profile for this project's samples yet.

Field coverage
fieldsamplescoverageR1R2R3R4
age_category54 100%
country54 100%54
health_condition0 0%
subject_id54 100%54
age_at_collection_days54 100%54
antibiotic_exposure54 100%54
bmi54 100%54
collection_date54 100%54
detailed_location54 100%
intervention54 100%54
latitude54 100%54
location_region54 100%54
longitude54 100%54
sex54 100%54
timepoint_label54 100%54
Details
Archive description

Stool samples from participants in the CARMA study in all which participants were treated with vancomycin for seven days, and subsequently randomised to 2'-FL prebiotic or placebo intervention groups.

How this project entered the registry

Classified as human gut / stool shotgun DNA metagenome of adult by deterministic_prior with confidence 0.90. Assay shotgun_dna.

  • host external_curation.infant_catalog · “infant triage reason_code age_adult_only”
  • body site study.title · “CARMA: Human gut long read metagenomics”
  • body site study.description · “Stool samples from participants”
  • life stage external_curation.infant_catalog · “infant triage reason_code age_adult_only”
Evidence examples (one per field × route)
samplefieldvaluerouteconf.sourcequote
SAMEA121524642age_at_collection_days16069.0R10.85sample.attr.host_age44
SAMEA121524642antibiotic_exposureyesR40.50study.descriptionall which participants were treated with vancomycin for seven days
SAMEA121524642bmi31.07R10.90sample.attr.host_body_mass_index31.0650887573965
SAMEA121524642collection_date2020R10.90biosample.attribute:collection_date2020
SAMEA121524642countryNLR10.90sample.attr.geographic_location_country_and_or_seaNetherlands
SAMEA121524642interventionplaceboR10.85biosample.attribute:experimental_factorplacebo [OBI_0000825]
SAMEA121524642latitude50.8480R10.90biosample.attribute:geographic_location_latitude+geographic_location_longitude50.848 5.688
SAMEA121524642location_regionLimburgR10.60biosample.attribute:geographic_location_latitude+geographic_location_longitude50.848 5.688
SAMEA121524642longitude5.6880R10.90biosample.attribute:geographic_location_latitude+geographic_location_longitude50.848 5.688
SAMEA121524642sexmaleR10.90sample.attr.host_sexmale
SAMEA121524642subject_idCAR-001R10.85sample.attr.host_subject_idCAR-001
SAMEA121524642timepoint_labelCID1R10.85sample.attr.time_pointCID1
Sequencing

54 runs over 54 samples · mean 1.33 Gbp per run (median 1.26 Gbp, total 71.78 Gbp; 54 runs with a base count) · layout SINGLE 54 · platform OXFORD_NANOPORE 54 · models GridION (54) · 0% of runs with a Sandpiper profile · first public 2026-09-18

Authors (0)

No author record.

Downloads

PRJEB108131.csv.gz (2.4 KB) · parquet (72.6 KB) — all 54 samples, every field with route and confidence · PRJEB108131_determinations.csv.gz (6.1 KB) — 648 evidence rows

Samples (54 · every field this project has values for · hover a cell for its source)
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