Table 5 Clinical trials of diet and prebiotics interventions on immunotherapy

From: Gut microbiota shapes cancer immunotherapy responses

Phase (Trial ID)

Patients (n)

Cancer type

Microbial Intervention

Immunotherapy treatment

Primary outcomes measures

Ref.

II (NCT06466434)

75

Melanoma

PreFED

ICI

Efficacy

353

II (NCT04645680)

50

Melanoma

Dietary supplement: isocaloric high-fiber

αPD-1 mAb and/or αCTLA-4 mAb

Change in the gut microbiome

354

NA (NCT06298734)

40

Melanoma

Dietary supplement: EX/DT/COMB

αPD-1 mAb /αCTLA-4 mAb /αLAG-3 mAb

Change in gut microbiome diversity

355

NA (NCT06236360)

30

Melanoma

Dietary supplement: MINI-MD

αPD-1 mAb plus αCTLA-4 mAb

Efficacy

356

NA (NCT04866810)

80

Melanoma

Behavioral: high fiber, plant based diet+exercise

Immunotherapy

Feasibility

357

II (NCT03709147)

64

Lung cancer

Dietary supplement: FMD

Chemo-immunotherapy

PFS

358

NA (NCT03700437)

12

NSCLC

Dietary supplement: FMD

Chemo-immunotherapy

Feasibility, compliance

359

NA (NCT06671613)

66

NSCLC

Dietary supplement: FMD

αPD-1/PDL-1 mAb

Feasibility, compliance

360

II (NCT05763992)

145

TNBC

Fasting-Like Approach

Chemo-immunotherapy

Rate of pCR

361

NA (NCT06610097)

30

TNBC

Dietary supplement: high fiber

Chemo-immunotherapy

Species and diversity

362

NA (NCT05083416)

29

HNSCC

Behavioral: PNF

ICI

Rates of PNF compliance, change in gut microbiome and microbial metabolites

363

NA (NCT06391099)

60

Melanoma, Kidney Cancer

Dietary supplement: KD

αPD-1 mAb

AEs, adherence

364

NA (NCT05356182)

30

Solid tumors

Low protein diet

ICI

Feasibility

365

NA (NCT05832606)

60

Solid tumors

Dietary supplement: high fiber

αPD-1 mAb and/or αCTLA-4 mAb

Feasibility, irAEs

366

NA (NCT06438588)

10

Solid tumors

Dietary supplement: FMD

ICI

Symptom Measurement, AEs, physical function, QOL, fecal calprotectin

367

  1. PreFED prebiotic food-enriched diet, EX high-intensity exercise, DT high-fiber diet, COMB combined high-intensity exercise and high-fiber diet, MD mediterranean diet, FMD fasting-mimicking diet, CR complete response, PNF prolonged nightly fasting, KD ketogenic diet, QOL quality of life, NSCLC non-small-cell lung cancer, TNBC triple negative breast cancer, HNSCC head and neck squamous cell carcinoma, AEs adverse events, irAEs immune-related Adverse Events, PFS progression-free survival, ICI immune checkpoint inhibitor.