# Oral, Fecal and Intratumoral Microbiome Atlas in Colombian Patients With Advanced Solid Tumors Receiving First-Line Immunotherapy

> **NCT07676461** · — · RECRUITING · sponsor: **Centro de Tratamiento e Investigación sobre Cáncer, Luis Carlos Sarmiento Angulo** · enrollment: 150 (estimated)

## Conditions studied

- Gastric Cancer
- Colorectal Cancer
- Breast Cancer
- Cervical Cancer
- Head and Neck Cancer (H&N)

## Interventions

- **DRUG:** First-line immunotherapy (immune checkpoint inhibitors), INVIMA-approved, standard of care

## Key facts

- **NCT ID:** NCT07676461
- **Lead sponsor:** Centro de Tratamiento e Investigación sobre Cáncer, Luis Carlos Sarmiento Angulo
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2026-06-11
- **Primary completion:** 2029-02-28
- **Final completion:** 2029-08-30
- **Target enrollment:** 150 (ESTIMATED)
- **Last updated:** 2026-07-07

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07676461

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07676461, "Oral, Fecal and Intratumoral Microbiome Atlas in Colombian Patients With Advanced Solid Tumors Receiving First-Line Immunotherapy". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07676461. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*