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. 2022 Jun 15;32(6):557–563. doi: 10.1016/j.whi.2022.06.004

Table 2.

Clinical Trials for COVID-19 Treatment Options: Pregnancy, Lactation, and Contraception Requirement Criteria by Sponsor, Location, and Phase (n = 495)

Pregnancy Exclusion
Lactation Exclusion
Contraception Requirement
n (%) p Value n (%) p Value n (%) p Value
Sponsor
 Nonpharmaceutical 299 (69.4) .09 228 (52.9) .09 66 (15.3) <.001
 Pharmaceutical 51 (79.7) 41 (64.1) 25 (39.1)
Location
 U.S. 98 (68.1) .29 87 (60.4) .12 30 (20.8) .25
 International 239 (72.9) 173 (52.7) 54 (16.5)
Phase
 1 40 (71.4) <.001 34 (60.7) <.001 11 (19.6) .02
 1/2 31 (81.6) 27 (71.1) 12 (31.6)
 2 126 (75.9) 104 (62.7) 36 (21.7)
 2/3 39 (72.2) 27 (50.0) 9 (16.7)
 3 72 (69.9) 49 (47.6) 18 (17.5)
 4 22 (73.3) 11 (36.7) 4 (13.3)
 N/A 20 (41.7) 17 (35.4) 1 (2.1)

Trials that included both U.S. and international locations were excluded for this analysis (n = 23).

The p value represents the overall χ2 test.

Trials without phases.