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Table 3 Treatment emergent adverse events (AE) among Safety Population (n = 149)

From: Durable reduction of Clostridioides difficile infection recurrence and microbiome restoration after treatment with RBX2660: results from an open-label phase 2 clinical trial

TEAE, events/participants (% of participants)

Overall

805/123 (83)

Onset interval

 Baseline to 4 weeks

249/89 (60)

 4–8 weeks

78/40 (27)

 8 weeks to 3 months

55/36 (24)

 3–6 months

133/53 (36)

 6–12 months

141/59 (40)

 12–24 months

147/45 (30)

Age

 < 65 years old

322/50 (81)

 ≥ 65 years old

483/73 (84)

Race

 White

720/113 (83)

 Non-white

85/10 (77)

Sex

 Female

472/81 (85)

 Male

333/42 (78)

Severity

 Mild

435/31 (21)

 Moderate

242/49 (33)

 Severe

100/36 (24)

 Potentially life threatening

28/19 (13)

Relatedness

 Related to investigational product1

67/32 (22)

 Related to enema procedure1

44/24 (16)

 Related to C. difficile disease1

137/52 (35)

 Related to pre-existing condition1

388/87 (58)

SAE, events/participants (% of participants)

 Total

208/52 (35)

 Related to investigational product

9/2 (1)

 Related to enema procedure

4/1 (1)

 Related to C. difficile disease

31/16 (11)

 Related to pre-existing condition

123/38 (26)

 Leading to death

20/15 (10)

 Related to investigational product or procedure2

1/1 (1)

 Related to pre-existing condition

12/11 (7)

  1. 1Defined as possibly, probably, or definitely related
  2. 2One death (SAE) possibly related to investigational product and enema procedure, definitely related to C. difficile disease and pre-existing condition