Trial Outcomes & Findings for Malaria as a Protection Factor Against Severe COVID-19 (Known as SARS-COV-2) in the Democratic Republic of Congo (Palu-COVID) (NCT NCT05012280)

NCT ID: NCT05012280

Last Updated: 2024-10-17

Results Overview

Malaria antibody level in severe and non-severe COVID-19 cases. This level will be assessed by measuring the concentration of IgG against Circum Sporozoite Protein (CSP) using the Luminex- MAGPIX, which is expressed in fluorescence intensity. Analysis of Conditional Maximum Likelihood Estimates.

Recruitment status

TERMINATED

Target enrollment

238 participants

Primary outcome timeframe

Day 1

Results posted on

2024-10-17

Participant Flow

137 cases and 101 controls were included in the trial. Total paired matched case-controls at the end of study: 95 (95 controls and 95 cases). Baseline characteristics were entered for the matched case-control participants.

Participant milestones

Participant milestones
Measure
Cases
Cases are severe COVID-19 cases and comprise inpatients recruited from CTCOs. * Presenting clinical signs of pneumonia: fever, cough, or respiratory difficulties AND * Presenting at least one of the following: * Respiratory rate \> 30 breaths/min OR * Severe respiratory distress (clarification: with oxygen) OR * SpO2 \< 90% in room air (clarification: without oxygen) * Be admitted to a care unit for COVID-19 (clarification: hospital)
Controls
Controls are asymptomatic or symptomatic cases without signs of severity: * Asymptomatic OR * Symptomatic, but without any signs of severe pneumonia: * Respiratory rate ≤ 30 breaths/min AND * No severe respiratory distress AND * SpO2 ≥ 90% in room air * Recruited within 10 weeks of a matched case
Overall Study
STARTED
137
101
Overall Study
COMPLETED
137
97
Overall Study
NOT COMPLETED
0
4

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Malaria as a Protection Factor Against Severe COVID-19 (Known as SARS-COV-2) in the Democratic Republic of Congo (Palu-COVID)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cases
n=95 Participants
Cases are severe COVID-19 cases and comprise inpatients recruited from CTCOs. * Presenting clinical signs of pneumonia: fever, cough, or respiratory difficulties AND * Presenting at least one of the following: * Respiratory rate \> 30 breaths/min OR * Severe respiratory distress (clarification: with oxygen) OR * SpO2 \< 90% in room air (clarification: without oxygen) * Be admitted to a care unit for COVID-19 (clarification: hospital)
Controls
n=95 Participants
Controls are asymptomatic or symptomatic cases without signs of severity: * Asymptomatic OR * Symptomatic, but without any signs of severe pneumonia: * Respiratory rate ≤ 30 breaths/min AND * No severe respiratory distress AND * SpO2 ≥ 90% in room air * Recruited within 10 weeks of a matched case
Total
n=190 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
65 Participants
n=99 Participants
73 Participants
n=107 Participants
138 Participants
n=206 Participants
Age, Categorical
>=65 years
30 Participants
n=99 Participants
22 Participants
n=107 Participants
52 Participants
n=206 Participants
Age, Continuous
56 years
n=99 Participants
54 years
n=107 Participants
55 years
n=206 Participants
Sex: Female, Male
Female
56 Participants
n=99 Participants
56 Participants
n=107 Participants
112 Participants
n=206 Participants
Sex: Female, Male
Male
39 Participants
n=99 Participants
39 Participants
n=107 Participants
78 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
White
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
95 Participants
n=99 Participants
95 Participants
n=107 Participants
190 Participants
n=206 Participants
Civil status
Single
18 Participants
n=99 Participants
22 Participants
n=107 Participants
40 Participants
n=206 Participants
Civil status
Married
63 Participants
n=99 Participants
51 Participants
n=107 Participants
114 Participants
n=206 Participants
Civil status
Widow(er)
14 Participants
n=99 Participants
19 Participants
n=107 Participants
33 Participants
n=206 Participants
Civil status
No information
0 Participants
n=99 Participants
3 Participants
n=107 Participants
3 Participants
n=206 Participants
Level of education
Illiterate
4 Participants
n=99 Participants
1 Participants
n=107 Participants
5 Participants
n=206 Participants
Level of education
Primary school degree
14 Participants
n=99 Participants
13 Participants
n=107 Participants
27 Participants
n=206 Participants
Level of education
Secondary school degree
37 Participants
n=99 Participants
44 Participants
n=107 Participants
81 Participants
n=206 Participants
Level of education
Higher education/university
38 Participants
n=99 Participants
37 Participants
n=107 Participants
75 Participants
n=206 Participants
Level of education
No information
2 Participants
n=99 Participants
0 Participants
n=107 Participants
2 Participants
n=206 Participants
Occupation
No job occupation
45 Participants
n=99 Participants
30 Participants
n=107 Participants
75 Participants
n=206 Participants
Occupation
farmer
1 Participants
n=99 Participants
3 Participants
n=107 Participants
4 Participants
n=206 Participants
Occupation
Maintenance worker
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Occupation
driver
1 Participants
n=99 Participants
7 Participants
n=107 Participants
8 Participants
n=206 Participants
Occupation
Shopkeeper/Store clerk
10 Participants
n=99 Participants
10 Participants
n=107 Participants
20 Participants
n=206 Participants
Occupation
Office worker/Public servant
11 Participants
n=99 Participants
11 Participants
n=107 Participants
22 Participants
n=206 Participants
Occupation
teacher
5 Participants
n=99 Participants
7 Participants
n=107 Participants
12 Participants
n=206 Participants
Occupation
gardener
0 Participants
n=99 Participants
1 Participants
n=107 Participants
1 Participants
n=206 Participants
Occupation
worker
0 Participants
n=99 Participants
2 Participants
n=107 Participants
2 Participants
n=206 Participants
Occupation
technician
4 Participants
n=99 Participants
2 Participants
n=107 Participants
6 Participants
n=206 Participants
Occupation
other
14 Participants
n=99 Participants
21 Participants
n=107 Participants
35 Participants
n=206 Participants
Occupation
no information
3 Participants
n=99 Participants
0 Participants
n=107 Participants
3 Participants
n=206 Participants
Health Zone of Kinshasa
Bandalungwa
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Health Zone of Kinshasa
Barumbu
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Binza-Meteo
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Binza-Ozone
4 Participants
n=99 Participants
4 Participants
n=107 Participants
8 Participants
n=206 Participants
Health Zone of Kinshasa
Gombe
5 Participants
n=99 Participants
5 Participants
n=107 Participants
10 Participants
n=206 Participants
Health Zone of Kinshasa
Kalamu I
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Kalamu II
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Kasa-Vubu
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Health Zone of Kinshasa
Kimbanseke
7 Participants
n=99 Participants
7 Participants
n=107 Participants
14 Participants
n=206 Participants
Health Zone of Kinshasa
Kintambo
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Health Zone of Kinshasa
Kisenso
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Health Zone of Kinshasa
Lemba
14 Participants
n=99 Participants
14 Participants
n=107 Participants
28 Participants
n=206 Participants
Health Zone of Kinshasa
Limete
12 Participants
n=99 Participants
12 Participants
n=107 Participants
24 Participants
n=206 Participants
Health Zone of Kinshasa
Lingwala
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Makala
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Masina I
5 Participants
n=99 Participants
5 Participants
n=107 Participants
10 Participants
n=206 Participants
Health Zone of Kinshasa
Masina II
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Health Zone of Kinshasa
Matete
4 Participants
n=99 Participants
4 Participants
n=107 Participants
8 Participants
n=206 Participants
Health Zone of Kinshasa
Mont-Ngafula I
8 Participants
n=99 Participants
8 Participants
n=107 Participants
16 Participants
n=206 Participants
Health Zone of Kinshasa
Ndjili
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Health Zone of Kinshasa
Ngaba
2 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
Health Zone of Kinshasa
Ngiri-Ngiri
3 Participants
n=99 Participants
3 Participants
n=107 Participants
6 Participants
n=206 Participants
Health Zone of Kinshasa
Nsele
13 Participants
n=99 Participants
13 Participants
n=107 Participants
26 Participants
n=206 Participants
Health Zone of Kinshasa
Selembao
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants

PRIMARY outcome

Timeframe: Day 1

Malaria antibody level in severe and non-severe COVID-19 cases. This level will be assessed by measuring the concentration of IgG against Circum Sporozoite Protein (CSP) using the Luminex- MAGPIX, which is expressed in fluorescence intensity. Analysis of Conditional Maximum Likelihood Estimates.

Outcome measures

Outcome measures
Measure
Cases
n=95 Participants
The cases will be severe COVID-19 cases, and will comprise hospitalized patients recruited from COVID-19 Treatment Centers.
Controls
n=95 Participants
Controls will consist of asymptomatic or symptomatic COVID-19 cases without signs of severity.
Malaria Antibody Level
3.8 fluorescence intensity (log scale)
Interval 2.4 to 4.7
3.3 fluorescence intensity (log scale)
Interval 2.6 to 4.5

Adverse Events

Cases

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

Controls

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Carolien Hoof

Insitute of Tropical Medicine

Phone: +32470102562

Results disclosure agreements

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

Restriction type: OTHER