Trial Outcomes & Findings for COVID-OUT: Early Outpatient Treatment for SARS-CoV-2 Infection (COVID-19) (NCT NCT04510194)

NCT ID: NCT04510194

Last Updated: 2024-05-16

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1323 participants

Primary outcome timeframe

14 days

Results posted on

2024-05-16

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment Arm - Metformin Only Group
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Overall Study
STARTED
284
295
206
159
175
204
Overall Study
COMPLETED
278
291
206
156
173
201
Overall Study
NOT COMPLETED
6
4
0
3
2
3

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

COVID-OUT: Early Outpatient Treatment for SARS-CoV-2 Infection (COVID-19)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment Arm - Metformin Only Group
n=284 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
n=295 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
n=206 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
n=159 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
n=175 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
n=204 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Total
n=1323 Participants
Total of all reporting groups
Age, Continuous
46 years
n=5 Participants
42 years
n=7 Participants
48 years
n=5 Participants
46 years
n=4 Participants
46 years
n=21 Participants
46 years
n=10 Participants
46 years
n=115 Participants
Sex: Female, Male
Female
168 Participants
n=5 Participants
187 Participants
n=7 Participants
108 Participants
n=5 Participants
87 Participants
n=4 Participants
83 Participants
n=21 Participants
108 Participants
n=10 Participants
741 Participants
n=115 Participants
Sex: Female, Male
Male
116 Participants
n=5 Participants
108 Participants
n=7 Participants
98 Participants
n=5 Participants
72 Participants
n=4 Participants
92 Participants
n=21 Participants
96 Participants
n=10 Participants
582 Participants
n=115 Participants
Race (NIH/OMB)
American Indian or Alaska Native
4 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
4 Participants
n=4 Participants
1 Participants
n=21 Participants
1 Participants
n=10 Participants
18 Participants
n=115 Participants
Race (NIH/OMB)
Asian
7 Participants
n=5 Participants
9 Participants
n=7 Participants
6 Participants
n=5 Participants
5 Participants
n=4 Participants
4 Participants
n=21 Participants
7 Participants
n=10 Participants
38 Participants
n=115 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
2 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
1 Participants
n=21 Participants
1 Participants
n=10 Participants
5 Participants
n=115 Participants
Race (NIH/OMB)
Black or African American
20 Participants
n=5 Participants
15 Participants
n=7 Participants
12 Participants
n=5 Participants
13 Participants
n=4 Participants
14 Participants
n=21 Participants
13 Participants
n=10 Participants
87 Participants
n=115 Participants
Race (NIH/OMB)
White
213 Participants
n=5 Participants
238 Participants
n=7 Participants
151 Participants
n=5 Participants
125 Participants
n=4 Participants
141 Participants
n=21 Participants
154 Participants
n=10 Participants
1022 Participants
n=115 Participants
Race (NIH/OMB)
More than one race
10 Participants
n=5 Participants
4 Participants
n=7 Participants
5 Participants
n=5 Participants
4 Participants
n=4 Participants
2 Participants
n=21 Participants
5 Participants
n=10 Participants
30 Participants
n=115 Participants
Race (NIH/OMB)
Unknown or Not Reported
29 Participants
n=5 Participants
23 Participants
n=7 Participants
28 Participants
n=5 Participants
8 Participants
n=4 Participants
12 Participants
n=21 Participants
23 Participants
n=10 Participants
123 Participants
n=115 Participants

PRIMARY outcome

Timeframe: 14 days

Outcome measures

Outcome measures
Measure
Treatment Arm - Metformin Only Group
n=278 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
n=291 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
n=206 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
n=156 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
n=173 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
n=201 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Count of Participants With Hypoxia Only
147 Participants
158 Participants
88 Participants
73 Participants
71 Participants
96 Participants

PRIMARY outcome

Timeframe: 14 days

Outcome measures

Outcome measures
Measure
Treatment Arm - Metformin Only Group
n=278 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
n=291 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
n=206 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
n=156 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
n=173 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
n=201 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Count of Participants With ED Visit, Hospitalization or Death
27 Participants
48 Participants
16 Participants
15 Participants
18 Participants
23 Participants

PRIMARY outcome

Timeframe: 14 days

Outcome measures

Outcome measures
Measure
Treatment Arm - Metformin Only Group
n=278 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
n=291 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
n=206 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
n=156 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
n=173 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
n=201 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Count of Participants With Hospitalization or Death
8 Participants
18 Participants
5 Participants
5 Participants
6 Participants
4 Participants

PRIMARY outcome

Timeframe: 14 days

Outcome measures

Outcome measures
Measure
Treatment Arm - Metformin Only Group
n=278 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
n=291 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
n=206 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
n=156 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
n=173 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
n=201 Participants
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Count of Participants Who Died
0 Participants
0 Participants
0 Participants
0 Participants
0 Participants
1 Participants

Adverse Events

Treatment Arm - Metformin Only Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Treatment Arm - Placebo Group

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Treatment Arm - Ivermectin Only Group

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Treatment Arm - Fluvoxamine Only Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Treatment Arm - Metformin and Fluvoxamine Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Treatment Arm - Metformin and Ivermectin Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 1 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Treatment Arm - Metformin Only Group
n=284 participants at risk
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the metformin alone. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14.
Treatment Arm - Placebo Group
n=295 participants at risk
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the placebo. Placebo: placebo; appearance and size are exact matching to the three study drugs.
Treatment Arm - Ivermectin Only Group
n=206 participants at risk
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the ivermectin alone. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Treatment Arm - Fluvoxamine Only Group
n=159 participants at risk
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive the fluvoxamine alone. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Fluvoxamine Group
n=175 participants at risk
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and fluvoxamine. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Fluvoxamine: An antidepressant, administered 50mg per day on Day 1; then 50mg twice-daily for Day 2 through Day 14
Treatment Arm - Metformin and Ivermectin Group
n=204 participants at risk
Participants in the treatment arm of the trial are those who test positive for SARS-COV-2 infection at the time of screening. Participants in this arm and group will receive metformin and ivermectin. Metformin: Metformin; immediate release formation; 500mg on Day 1; 500mg BID on Day 2 through Day 5; 500mg in AM and 1,000mg in PM on Day 6 through Day 14. Ivermectin: An anti-parasitic medication administered as 390mcg/kg to 470mcg/kg per day for 3 days
Nervous system disorders
neuropathy
0.00%
0/284 • 14 days
0.00%
0/295 • 14 days
0.49%
1/206 • Number of events 1 • 14 days
0.00%
0/159 • 14 days
0.00%
0/175 • 14 days
0.00%
0/204 • 14 days
General disorders
dizziness
0.00%
0/284 • 14 days
0.34%
1/295 • Number of events 1 • 14 days
0.00%
0/206 • 14 days
0.00%
0/159 • 14 days
0.00%
0/175 • 14 days
0.00%
0/204 • 14 days
Musculoskeletal and connective tissue disorders
weakness in leg/arms
0.00%
0/284 • 14 days
0.34%
1/295 • Number of events 1 • 14 days
0.00%
0/206 • 14 days
0.00%
0/159 • 14 days
0.00%
0/175 • 14 days
0.00%
0/204 • 14 days

Additional Information

Carolyn Bramante

University of Minnesota

Phone: 612-624-0468

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place