Study: NCT05805826

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 2.
Description: C. difficile vaccine formulation 2 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 3.
Description: C. difficile vaccine formulation 3 given as an intramuscular injection

Intervention type: BIOLOGICAL
Group type: EXPERIMENTAL
Intervention: C. difficile vaccine formulation 3.
Description: C. difficile vaccine formulation 3 given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Saline Placebo.
Description: 0.9% sodium chloride solution given as an intramuscular injection