Skip to content

Ivermectin for Severe COVID-19 Management

The Effectiveness and Safety of Ivermectin as add-on Therapy in Severe COVID-19 Management

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04646109
Enrollment
66
Registered
2020-11-27
Start date
2020-05-11
Completion date
2020-09-02
Last updated
2021-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Keywords

Ivermectin, SARS-CoV-2, Treatment

Brief summary

In this multicenter study; it was aimed to investigate the effectiveness and safety of ivermectin use in the treatment of patients with severe COVID-19 pneumonia that have no mutations which alter ivermectin metabolism and cause side effects.

Detailed description

Patients with severe COVID-19 pneumonia were included in the study. Two groups, the study group and the control group, took part in the study. Ivermectin 200 mcg/kg/day for five days (9 mg between 36-50 kg, 12 mg between 51-65 kg, 15 mg between 66-79 kg and 200 microgram/kg in \> 80 kg) in the form of a solution prepared for enteral use added to the reference treatment protocol -hydroxychloroquine (2x400mg loading dose followed by 2x200mg, po, 5 days) + favipiravir (2x1600mg loading dose followed by 2x600mg maintenance dose, po, total 5 days) + azithromycin (first day 500mg followed by 4 days 250mg/day, po, total 5 days)- of patients included in the study group. Patients in the control group were given only reference treatment with 3 other drugs without ivermectin. The mutations in 29 pairs of primers in mdr1/abcab1 gene by sequencing analysis using Sanger method, and the haplotypes and mutations of the CYP3A4 gene that cause the function losing were investigated among the patients who meet criteria and who were included in the study group according to randomization. Mutation screening was done when the first dose of the research drug ivermectin was given, ivermectin treatment was not continued in patients with mutations detected as a result of genetic examination and these patients were excluded from the study. Patients were followed for 5 additional days after treatment. At the end of the treatment and follow-up period (At the end of 10th day), clinical response and changes in oxygenation and laboratory parameters were evaluated.

Interventions

DRUGIvermectin

Ivermectin 5mg/5ml solution was manufactured by NEUTEC™ Pharmaceutical Company-Turkey, under Good Manufacturing Practices (GMP) certification conditions.

Sponsors

NeuTec Pharma
CollaboratorINDUSTRY
Afyonkarahisar Health Sciences University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Patients who were hospitalised with a pre-diagnosis of severe COVID-19 pneumonia and thereafter diagnosis of COVID-19 was also confirmed microbiologically with polymerase chain reaction (PCR) positivity in respiratory tract samples were included into the study. They were randomized to the study and control group, respectively. Single numbered patients were accepted as study group and double numbered patients as control group

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Patients who were hospitalised with a pre-diagnosis of severe COVID-19 pneumonia and thereafter diagnosis of COVID-19 was also confirmed microbiologically with PCR positivity in respiratory tract samples were included into the study. They were randomized to the study and control group, respectively. Patients with at least one of the criteria below were accepted as patients with severe COVID-19 pneumonia; 1. Presence of tachypnea ≥ 30/minute, SpO2 level \< 90% in room air, PaO2/FiO2 \<300 in oxygen receiving patient 2. Presence of specific radiological finding for COVID-19 in lung tomography (bilateral lobular, peripherally located, diffuse patchy ground glass opacities) 3. Mechanical ventilation requirement 4. Acute organ dysfunction findings; patients with SOFA (sepsis-related organ failure assessment) score \>2

Exclusion criteria

* Patients with the following characteristics were excluded from the study. 1. Pediatric patients; \<18 years of old 2. Patients with chronic liver or kidney disease 3. Pregnant women 4. Patients with known ivermectin allergy

Design outcomes

Primary

MeasureTime frameDescription
Treatment-Related Adverse Events as Assessed by CTCAE v4.0At the first 5 days of studyAdverse effects of ivermectin and drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the study group and and the number of participants were noted. Adverse effects of drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the control group and and the number of participants were noted.
Respiratory Rate Means of the PatientsAt the first day of the studyAt the beginning of the study, the respiratory rates (as per minute) of the patients were measured and the mean respiratory rate values of both groups were recorded.
Systolic and Diastolic Pressure Means of the PatientsAt the first day of the studyAt the beginning of the study, the systolic and diastolic pressures (as mmHg) of the patients were measured and the mean systolic and diastolic pressure values of both groups were recorded.
Number of Participants With Clinical ResponseFrom starting to the end of ivermectin therapy (0 to the end of 5th day)The presence of at least two of the following criteria in patients at the end of 5th day were accepted as clinical response: Extubation in mechanically ventilated patients, respiratory rate \<26/min, SpO2 level in room air \>90%, PaO2/FiO2 \>300 in patients receiving oxygen, presence of at least two of the 2-point reduction criteria in Sequential Organ Failure Assessment (SOFA) score.
Changes in Oxygen Saturation (SpO2) ValuesFrom starting to the end of ivermectin therapy (0 to the end of 5th day)Baseline SpO2 values of the patients were recorded in both groups. Then, their treatments were started and SpO2 values at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in SpO2 values on the 1st, 3rd and 5th days after the basal value calculated graphically, the change in the SpO2 value at the end of the 5th day (primary endpoint) with the baseline value was compared statistically (the results were given as p value).
Changes in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)From starting to the end of ivermectin therapy (0 to the end of 5th day)Baseline PaO2/FiO2 ratios of the patients were recorded in both groups. Then, their treatments were started and PaO2/FiO2 ratios at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in PaO2/FiO2 ratios on the 1st, 3rd and 5th days after the basal ratio was calculated graphically, the change in the PaO2/FiO2 ratio at the end of the 5th day (primary endpoint) with the baseline value was compared statistically (the results were given as p value).
Changes in Serum Lymphocyte CountsFrom starting to the end of ivermectin therapy (0 to the end of 5th day)Baseline Serum Lymphocyte counts (cell/mm\^3) of the patients were recorded in both groups. Then, their treatments were started and Serum Lymphocyte counts at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in Serum Lymphocyte counts on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the Serum Lymphocyte count at the end of the 5th day (primary endpoint) with the baseline count was compared statistically (the results were given as p value).
Changes in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)From starting to the end of ivermectin therapy (0 to the end of 5th day)Baseline PNL/L ratio of the patients were recorded in both groups. Then, their treatments were started and PNL/L ratios at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in PNL/L ratios on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the PNL/L ratio at the end of the 5th day (primary endpoint) with the baseline ratio was compared statistically (the results were given as p value).
Changes in Serum Ferritin LevelsFrom starting to the end of ivermectin therapy (0 to the end of 5th day)Baseline serum ferritin levels (mg/dL) of the patients were recorded in both groups. Then, their treatments were started and serum ferritin levels at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in serum ferritin levels on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the serum ferritin level at the end of the 5th day (primary endpoint) with the baseline level was compared statistically (the results were given as p value).
Changes in Serum D-dimer LevelsFrom starting to the end of ivermectin therapy (0 to the end of 5th day)Baseline serum D-dimer levels (mg/L) of the patients were recorded in both groups. Then, their treatments were started and serum D-dimer levels at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in serum D-dimer levels on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the serum D-dimer level at the end of the 5th day (primary endpoint) with the baseline level was compared statistically (the results were given as p value).
Genetic Examination of Haplotypes and Mutations That Cause Function Losing for Ivermectin MetabolismAt the first day of ivermectin therapy (1st day)A blood sample was taken from the patients included in the study group, after taking or during the first dose of ivermectin. From the blood samples, haplotypes and mutations that cause the function losing were investigated by performing sequence analysis of multidrug resistance 1 (MDR1)/ABCB1 and CYP3A4 genes with Sanger method. In case of detection of mutation, the patient were excluded from the study and if observed, side effects of ivermectin were noted.
Gender Distribution of the PatientsAt the first day of the studyThe gender of patients (Male/female) in both groups were recorded at the time of inclusion.
Age Distribution of the PatientsAt the first day of the studyThe age of the patients (years) in both groups were recorded at the time of inclusion.
Percentage of Patients With Accompanying DiseasesAt the first day of the studyAt the beginning of the study, the patients were asked whether there were any of the following accompanying diseases and the percentage of patients with accompanying disease in both groups were recorded: * Diabetes mellitus * Hypertension * Coronary artery disease * Cardiac failure * Chronic obstructive pulmonary disease * Malignancy * Immunodeficiency
Percentage of Patients With Baseline Clinical SymptomsAt the first day of the studyAt the beginning of the study, the patients were asked whether there were any of the following clinical symptoms and the percentage of patients with any of the clinical symptoms in both groups were recorded: * Fever * Cough * Sore throat * Dispnea * Headache * Weakness * Myalgia * Diarrhea * Nausea or vomiting
Body Temperature Means of the PatientsAt the first day of the studyAt the beginning of the study, the body temperatures (as degree celcius) of the patients were measured and the mean body temperature values of both groups were recorded.
Heart Rate Means of the PatientsAt the first day of the studyAt the beginning of the study, the heart rates (as per minute) of the patients were measured and the mean heart rate values of both groups were recorded.

Secondary

MeasureTime frameDescription
MortalityThrough study completion, an average of 3 monthsThe number of died patients were evaluated in study and control groups
Changes in Oxygen Saturation (SpO2) ValuesFrom 6th to the end of 10th dayIn both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). SpO2 values at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in SpO2 values on the 6th, 8th and 10th days was calculated graphically, the change in the SpO2 value at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).
Changes in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)From 6th to the end of 10th dayIn both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). PaO2/FiO2 ratios at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in PaO2/FiO2 ratios on the 6th, 8th and 10th days was calculated graphically, the change in the PaO2/FiO2 ratio at the end of the 10th day (secondary endpoint) with the baseline ratio was compared statistically (the results were given as p value).
Changes in Serum Lymphocyte CountsFrom 6th to the end of 10th dayIn both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). Serum lymphocyte counts (cell/mm\^3) at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in serum lymphocyte counts on the 6th, 8th and 10th days was calculated graphically, the change in the serum lymphocyte count at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).
Changes in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)From 6th to the end of 10th dayIn both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). PNL/L ratios at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in PNL/L ratios on the 6th, 8th and 10th days was calculated graphically, the change in the PNL/L ratio at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).
Changes in Serum Ferritin LevelsFrom 6th to the end of 10th dayIn both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). Serum ferritin levels (mg/dL) at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in serum ferritin levels on the 6th, 8th and 10th days was calculated graphically, the change in the serum ferritin level at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).
Changes in Serum D-dimer LevelsFrom 6th to the end of 10th dayIn both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). Serum D-dimer levels (mg/L) at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in Serum D-dimer levels on the 6th, 8th and 10th days was calculated graphically, the change in the serum D-dimer level at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).
Rate of COVID-19 Polymerase Chain Reaction (PCR) Test NegativityAt the end of 10th dayAt the end of the follow-up period (10th day), patients in the study and control group were investigated by PCR test for SARS-CoV-2 and the negative results were recorded as percentage for both groups.
Treatment-Related Adverse Events as Assessed by CTCAE v4.0From the 6th day of study to the 10th day of studyAdverse effects of ivermectin and drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the study group and and the number of participants were noted. Adverse effects of drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the control group and and the number of participants were noted.
Number of Participants With Clinical Response10 days (5 days ivermectin therapy plus 5 days follow-up)The presence of at least two of the following criteria in patients on the 10th day were accepted as clinical response: Respiration rate between 22-24/min, SpO2 level in room air \>95%, absence of oxygen requirement, observation of radiological improvement in control lung tomography and no need for intensive care.

Countries

Turkey (Türkiye)

Participant flow

Pre-assignment details

At the beginning of the study, it was planned to have 30 patients each in the control and study groups. During the study, 6 patients were excluded from the study group because ivermectin treatments were terminated due to the detection of mutations that impairs ivermectin metabolism and new patients were added. As a result, 66 patients were included in the study, 6 patients were excluded due to mutation detection and the study was completed with 30 patients in both groups.

Participants by arm

ArmCount
Control Group
Patients who were hospitalised with a pre-diagnosis of severe COVID-19 pneumonia and thereafter diagnosis of COVID-19 was also confirmed microbiologically with PCR positivity in respiratory tract samples were included into the study. They were randomized to the control and study group, respectively. Hydroxychloroquine, favipiravir and azithromycin (HFA) standard treatment protocol were given to the control group as recommended in the COVID-19 (SARS-CoV-2 Infection) Guide prepared by the Republic of Turkey Ministry of Health.
30
Study Group
In addition to HFA treatment, ivermectin 200 micrograms/kg/day (9mg between 36-50 kg, 12mg between 51-65 kg, 15mg between 66-79 kg and 200 micrograms/kg in \> 80 kg) in the form of a solution prepared for enteral use was added (HFA+I) to the treatment protocol of the study group's for five days. Blood sample was taken with the first dose of ivermectin and haplotype analysis was performed in ABCB1 and CYP3A4 genes in the whole study group. Ivermectin: Ivermectin 5mg/5ml solution was manufactured by NEUTEC™ Pharmaceutical Company-Turkey, under Good Manufacturing Practices (GMP) certification conditions.
30
Total60

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyMutation disrupting ivermectin metabolism was found in 6 patients06

Baseline characteristics

CharacteristicControl GroupTotalStudy Group
Age, Customized66.23 years
STANDARD_DEVIATION 13.31
62.20 years
STANDARD_DEVIATION 13
58.17 years
STANDARD_DEVIATION 11.52
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
30 Participants60 Participants30 Participants
Race (NIH/OMB)
White
0 Participants0 Participants0 Participants
Region of Enrollment
Turkey
30 participants60 participants30 participants
Sex: Female, Male
Female
11 Participants20 Participants9 Participants
Sex: Female, Male
Male
19 Participants40 Participants21 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
9 / 306 / 300 / 6
other
Total, other adverse events
3 / 300 / 300 / 6
serious
Total, serious adverse events
0 / 300 / 305 / 6

Outcome results

Primary

Age Distribution of the Patients

The age of the patients (years) in both groups were recorded at the time of inclusion.

Time frame: At the first day of the study

ArmMeasureValue (MEAN)Dispersion
Control GroupAge Distribution of the Patients66.23 YearsStandard Deviation 13.31
Study GroupAge Distribution of the Patients58.17 YearsStandard Deviation 11.52
Primary

Body Temperature Means of the Patients

At the beginning of the study, the body temperatures (as degree celcius) of the patients were measured and the mean body temperature values of both groups were recorded.

Time frame: At the first day of the study

ArmMeasureValue (MEAN)Dispersion
Control GroupBody Temperature Means of the Patients36.8 Degree celciusStandard Deviation 0.8
Study GroupBody Temperature Means of the Patients36.9 Degree celciusStandard Deviation 0.7
Primary

Changes in Oxygen Saturation (SpO2) Values

Baseline SpO2 values of the patients were recorded in both groups. Then, their treatments were started and SpO2 values at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in SpO2 values on the 1st, 3rd and 5th days after the basal value calculated graphically, the change in the SpO2 value at the end of the 5th day (primary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Oxygen Saturation (SpO2) ValuesBaseline89.67 percentage of peripheral capillary O2Standard Deviation 5.09
Control GroupChanges in Oxygen Saturation (SpO2) ValuesTD190.50 percentage of peripheral capillary O2Standard Deviation 7.47
Control GroupChanges in Oxygen Saturation (SpO2) ValuesTD391.90 percentage of peripheral capillary O2Standard Deviation 4.97
Control GroupChanges in Oxygen Saturation (SpO2) ValuesTD593.00 percentage of peripheral capillary O2Standard Deviation 3.25
Study GroupChanges in Oxygen Saturation (SpO2) ValuesTD593.52 percentage of peripheral capillary O2Standard Deviation 4.36
Study GroupChanges in Oxygen Saturation (SpO2) ValuesBaseline89.93 percentage of peripheral capillary O2Standard Deviation 6.51
Study GroupChanges in Oxygen Saturation (SpO2) ValuesTD393.07 percentage of peripheral capillary O2Standard Deviation 4.12
Study GroupChanges in Oxygen Saturation (SpO2) ValuesTD192.85 percentage of peripheral capillary O2Standard Deviation 4.86
p-value: 0.14Wilcoxon (Mann-Whitney)
Primary

Changes in Serum D-dimer Levels

Baseline serum D-dimer levels (mg/L) of the patients were recorded in both groups. Then, their treatments were started and serum D-dimer levels at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in serum D-dimer levels on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the serum D-dimer level at the end of the 5th day (primary endpoint) with the baseline level was compared statistically (the results were given as p value).

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Serum D-dimer LevelsBaseline1.32 mg/LStandard Deviation 2.04
Control GroupChanges in Serum D-dimer LevelsTD12.80 mg/LStandard Deviation 5.66
Control GroupChanges in Serum D-dimer LevelsTD34.14 mg/LStandard Deviation 9.91
Control GroupChanges in Serum D-dimer LevelsTD53.58 mg/LStandard Deviation 8.27
Study GroupChanges in Serum D-dimer LevelsTD55.85 mg/LStandard Deviation 5.28
Study GroupChanges in Serum D-dimer LevelsBaseline1.25 mg/LStandard Deviation 1.71
Study GroupChanges in Serum D-dimer LevelsTD33.24 mg/LStandard Deviation 11.6
Study GroupChanges in Serum D-dimer LevelsTD11.40 mg/LStandard Deviation 1.73
p-value: 0.22Wilcoxon (Mann-Whitney)
Primary

Changes in Serum Ferritin Levels

Baseline serum ferritin levels (mg/dL) of the patients were recorded in both groups. Then, their treatments were started and serum ferritin levels at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in serum ferritin levels on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the serum ferritin level at the end of the 5th day (primary endpoint) with the baseline level was compared statistically (the results were given as p value).

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Serum Ferritin LevelsBaseline747.05 mg/dLStandard Deviation 800.54
Control GroupChanges in Serum Ferritin LevelsTD1783.03 mg/dLStandard Deviation 827.1
Control GroupChanges in Serum Ferritin LevelsTD3881.17 mg/dLStandard Deviation 779.95
Control GroupChanges in Serum Ferritin LevelsTD51028.24 mg/dLStandard Deviation 777.08
Study GroupChanges in Serum Ferritin LevelsTD5875.12 mg/dLStandard Deviation 1193.06
Study GroupChanges in Serum Ferritin LevelsBaseline682.75 mg/dLStandard Deviation 470.08
Study GroupChanges in Serum Ferritin LevelsTD3875.90 mg/dLStandard Deviation 694.52
Study GroupChanges in Serum Ferritin LevelsTD1834.94 mg/dLStandard Deviation 624.12
p-value: 0.12Wilcoxon (Mann-Whitney)
Primary

Changes in Serum Lymphocyte Counts

Baseline Serum Lymphocyte counts (cell/mm\^3) of the patients were recorded in both groups. Then, their treatments were started and Serum Lymphocyte counts at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in Serum Lymphocyte counts on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the Serum Lymphocyte count at the end of the 5th day (primary endpoint) with the baseline count was compared statistically (the results were given as p value).

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Serum Lymphocyte CountsTD5968 cell/mm^3Standard Deviation 477
Control GroupChanges in Serum Lymphocyte CountsTD11034 cell/mm^3Standard Deviation 450
Control GroupChanges in Serum Lymphocyte CountsBaseline1010 cell/mm^3Standard Deviation 438
Control GroupChanges in Serum Lymphocyte CountsTD3977 cell/mm^3Standard Deviation 575
Study GroupChanges in Serum Lymphocyte CountsBaseline932 cell/mm^3Standard Deviation 483
Study GroupChanges in Serum Lymphocyte CountsTD51273 cell/mm^3Standard Deviation 822
Study GroupChanges in Serum Lymphocyte CountsTD31021 cell/mm^3Standard Deviation 648
Study GroupChanges in Serum Lymphocyte CountsTD1928 cell/mm^3Standard Deviation 607
p-value: 0.15Wilcoxon (Mann-Whitney)
Primary

Changes in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)

Baseline PaO2/FiO2 ratios of the patients were recorded in both groups. Then, their treatments were started and PaO2/FiO2 ratios at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in PaO2/FiO2 ratios on the 1st, 3rd and 5th days after the basal ratio was calculated graphically, the change in the PaO2/FiO2 ratio at the end of the 5th day (primary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)Baseline197.44 RatioStandard Deviation 102.31
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)TD3174.77 RatioStandard Deviation 94.74
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)TD1181.83 RatioStandard Deviation 99.62
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)TD5180.13 RatioStandard Deviation 95.43
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)TD5178.94 RatioStandard Deviation 98.21
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)Baseline158.83 RatioStandard Deviation 88.15
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)TD1147.31 RatioStandard Deviation 74.15
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)TD3147.74 RatioStandard Deviation 83.3
p-value: 0.68Wilcoxon (Mann-Whitney)
Primary

Changes in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)

Baseline PNL/L ratio of the patients were recorded in both groups. Then, their treatments were started and PNL/L ratios at the end of the 1st (TD1), 3rd (TD3) and 5th days (TD5) were also recorded. The end of the 5th day was accepted as the primary endpoint. While the change in PNL/L ratios on the 1st, 3rd and 5th days after the basal level was calculated graphically, the change in the PNL/L ratio at the end of the 5th day (primary endpoint) with the baseline ratio was compared statistically (the results were given as p value).

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)Baseline7.48 RatioStandard Deviation 6.41
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)TD17.74 RatioStandard Deviation 7.47
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)TD39.26 RatioStandard Deviation 7.58
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)TD59.88 RatioStandard Deviation 8.45
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)TD57.16 RatioStandard Deviation 4.97
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)Baseline8.77 RatioStandard Deviation 8.35
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)TD39.02 RatioStandard Deviation 13.08
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)TD110.82 RatioStandard Deviation 8.55
p-value: 0.37Wilcoxon (Mann-Whitney)
Primary

Gender Distribution of the Patients

The gender of patients (Male/female) in both groups were recorded at the time of inclusion.

Time frame: At the first day of the study

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Control GroupGender Distribution of the PatientsMale19 Participants
Control GroupGender Distribution of the PatientsFemale11 Participants
Study GroupGender Distribution of the PatientsMale21 Participants
Study GroupGender Distribution of the PatientsFemale9 Participants
Primary

Genetic Examination of Haplotypes and Mutations That Cause Function Losing for Ivermectin Metabolism

A blood sample was taken from the patients included in the study group, after taking or during the first dose of ivermectin. From the blood samples, haplotypes and mutations that cause the function losing were investigated by performing sequence analysis of multidrug resistance 1 (MDR1)/ABCB1 and CYP3A4 genes with Sanger method. In case of detection of mutation, the patient were excluded from the study and if observed, side effects of ivermectin were noted.

Time frame: At the first day of ivermectin therapy (1st day)

Population: We aimed to investigate the effectiveness/safety of adding ivermectin to the COVID-19 treatment in patients without mutation. Since ivermectin was not given to the control group, no blood sample was taken from these patients for mutation screening. The reason why there are 36 patients in the study group in this table is to indicate that there are 6 patients who were included in the study group but were removed from the study group because of a mutation and were replaced by additional patients.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Control GroupGenetic Examination of Haplotypes and Mutations That Cause Function Losing for Ivermectin MetabolismMutation positive0 Participants
Control GroupGenetic Examination of Haplotypes and Mutations That Cause Function Losing for Ivermectin MetabolismMutation negative0 Participants
Study GroupGenetic Examination of Haplotypes and Mutations That Cause Function Losing for Ivermectin MetabolismMutation positive6 Participants
Study GroupGenetic Examination of Haplotypes and Mutations That Cause Function Losing for Ivermectin MetabolismMutation negative30 Participants
Primary

Heart Rate Means of the Patients

At the beginning of the study, the heart rates (as per minute) of the patients were measured and the mean heart rate values of both groups were recorded.

Time frame: At the first day of the study

ArmMeasureValue (MEAN)Dispersion
Control GroupHeart Rate Means of the Patients92 beats per minuteStandard Deviation 18
Study GroupHeart Rate Means of the Patients88 beats per minuteStandard Deviation 12
Primary

Number of Participants With Clinical Response

The presence of at least two of the following criteria in patients at the end of 5th day were accepted as clinical response: Extubation in mechanically ventilated patients, respiratory rate \<26/min, SpO2 level in room air \>90%, PaO2/FiO2 \>300 in patients receiving oxygen, presence of at least two of the 2-point reduction criteria in Sequential Organ Failure Assessment (SOFA) score.

Time frame: From starting to the end of ivermectin therapy (0 to the end of 5th day)

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Control GroupNumber of Participants With Clinical Response11 Participants
Study GroupNumber of Participants With Clinical Response14 Participants
p-value: 0.43Chi-squared
Primary

Percentage of Patients With Accompanying Diseases

At the beginning of the study, the patients were asked whether there were any of the following accompanying diseases and the percentage of patients with accompanying disease in both groups were recorded: * Diabetes mellitus * Hypertension * Coronary artery disease * Cardiac failure * Chronic obstructive pulmonary disease * Malignancy * Immunodeficiency

Time frame: At the first day of the study

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Control GroupPercentage of Patients With Accompanying DiseasesCardiac failure1 Participants
Control GroupPercentage of Patients With Accompanying DiseasesDiabetes Mellitus10 Participants
Control GroupPercentage of Patients With Accompanying DiseasesMalignancy1 Participants
Control GroupPercentage of Patients With Accompanying DiseasesImmunodeficiency1 Participants
Control GroupPercentage of Patients With Accompanying DiseasesHypertension12 Participants
Control GroupPercentage of Patients With Accompanying DiseasesCoronary artery disease8 Participants
Control GroupPercentage of Patients With Accompanying DiseasesChronic obstructive pulmonary disease3 Participants
Study GroupPercentage of Patients With Accompanying DiseasesCardiac failure0 Participants
Study GroupPercentage of Patients With Accompanying DiseasesHypertension15 Participants
Study GroupPercentage of Patients With Accompanying DiseasesDiabetes Mellitus9 Participants
Study GroupPercentage of Patients With Accompanying DiseasesChronic obstructive pulmonary disease6 Participants
Study GroupPercentage of Patients With Accompanying DiseasesMalignancy0 Participants
Study GroupPercentage of Patients With Accompanying DiseasesCoronary artery disease5 Participants
Study GroupPercentage of Patients With Accompanying DiseasesImmunodeficiency0 Participants
Primary

Percentage of Patients With Baseline Clinical Symptoms

At the beginning of the study, the patients were asked whether there were any of the following clinical symptoms and the percentage of patients with any of the clinical symptoms in both groups were recorded: * Fever * Cough * Sore throat * Dispnea * Headache * Weakness * Myalgia * Diarrhea * Nausea or vomiting

Time frame: At the first day of the study

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Control GroupPercentage of Patients With Baseline Clinical SymptomsHeadache2 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsWeakness11 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsCough14 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsMyalgia7 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsSore throat1 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsDiarrhea0 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsFever13 Participants
Control GroupPercentage of Patients With Baseline Clinical SymptomsNausea or vomiting0 Participants
Control GroupPercentage of Patients With Baseline Clinical Symptomsdyspnea19 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsNausea or vomiting1 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsHeadache5 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsFever15 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsSore throat3 Participants
Study GroupPercentage of Patients With Baseline Clinical Symptomsdyspnea23 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsWeakness13 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsMyalgia9 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsDiarrhea1 Participants
Study GroupPercentage of Patients With Baseline Clinical SymptomsCough16 Participants
Primary

Respiratory Rate Means of the Patients

At the beginning of the study, the respiratory rates (as per minute) of the patients were measured and the mean respiratory rate values of both groups were recorded.

Time frame: At the first day of the study

ArmMeasureValue (MEAN)Dispersion
Control GroupRespiratory Rate Means of the Patients24.7 breaths per minuteStandard Deviation 0.7
Study GroupRespiratory Rate Means of the Patients24 breaths per minuteStandard Deviation 5
Primary

Systolic and Diastolic Pressure Means of the Patients

At the beginning of the study, the systolic and diastolic pressures (as mmHg) of the patients were measured and the mean systolic and diastolic pressure values of both groups were recorded.

Time frame: At the first day of the study

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupSystolic and Diastolic Pressure Means of the PatientsSystolic pressure124.61 mmHgStandard Deviation 15.37
Control GroupSystolic and Diastolic Pressure Means of the PatientsDiastolic pressure73.43 mmHgStandard Deviation 8.47
Study GroupSystolic and Diastolic Pressure Means of the PatientsSystolic pressure124.39 mmHgStandard Deviation 15.6
Study GroupSystolic and Diastolic Pressure Means of the PatientsDiastolic pressure75.64 mmHgStandard Deviation 9.79
Primary

Treatment-Related Adverse Events as Assessed by CTCAE v4.0

Adverse effects of ivermectin and drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the study group and and the number of participants were noted. Adverse effects of drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the control group and and the number of participants were noted.

Time frame: At the first 5 days of study

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Control GroupTreatment-Related Adverse Events as Assessed by CTCAE v4.0Nausea and vomiting2 Participants
Control GroupTreatment-Related Adverse Events as Assessed by CTCAE v4.0Increase in liver function tests1 Participants
Study GroupTreatment-Related Adverse Events as Assessed by CTCAE v4.0Nausea and vomiting0 Participants
Study GroupTreatment-Related Adverse Events as Assessed by CTCAE v4.0Increase in liver function tests0 Participants
Secondary

Changes in Oxygen Saturation (SpO2) Values

In both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). SpO2 values at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in SpO2 values on the 6th, 8th and 10th days was calculated graphically, the change in the SpO2 value at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From 6th to the end of 10th day

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Oxygen Saturation (SpO2) ValuesBaseline89.67 percentage of peripheral capillary O2Standard Deviation 5.09
Control GroupChanges in Oxygen Saturation (SpO2) ValuesFD192.43 percentage of peripheral capillary O2Standard Deviation 2.86
Control GroupChanges in Oxygen Saturation (SpO2) ValuesFD392.91 percentage of peripheral capillary O2Standard Deviation 2.71
Control GroupChanges in Oxygen Saturation (SpO2) ValuesFD593.00 percentage of peripheral capillary O2Standard Deviation 3.93
Study GroupChanges in Oxygen Saturation (SpO2) ValuesFD595.35 percentage of peripheral capillary O2Standard Deviation 2.72
Study GroupChanges in Oxygen Saturation (SpO2) ValuesBaseline89.93 percentage of peripheral capillary O2Standard Deviation 6.51
Study GroupChanges in Oxygen Saturation (SpO2) ValuesFD394.24 percentage of peripheral capillary O2Standard Deviation 2.76
Study GroupChanges in Oxygen Saturation (SpO2) ValuesFD194.54 percentage of peripheral capillary O2Standard Deviation 2.21
p-value: 0.03Wilcoxon (Mann-Whitney)
Secondary

Changes in Serum D-dimer Levels

In both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). Serum D-dimer levels (mg/L) at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in Serum D-dimer levels on the 6th, 8th and 10th days was calculated graphically, the change in the serum D-dimer level at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From 6th to the end of 10th day

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Serum D-dimer LevelsBaseline1.32 mg/LStandard Deviation 2.04
Control GroupChanges in Serum D-dimer LevelsFD13.45 mg/LStandard Deviation 6.6
Control GroupChanges in Serum D-dimer LevelsFD31.63 mg/LStandard Deviation 1.38
Control GroupChanges in Serum D-dimer LevelsFD51.49 mg/LStandard Deviation 2.28
Study GroupChanges in Serum D-dimer LevelsFD50.71 mg/LStandard Deviation 0.96
Study GroupChanges in Serum D-dimer LevelsBaseline1.25 mg/LStandard Deviation 1.71
Study GroupChanges in Serum D-dimer LevelsFD30.89 mg/LStandard Deviation 2.45
Study GroupChanges in Serum D-dimer LevelsFD11.37 mg/LStandard Deviation 2.53
p-value: 0.03Wilcoxon (Mann-Whitney)
Secondary

Changes in Serum Ferritin Levels

In both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). Serum ferritin levels (mg/dL) at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in serum ferritin levels on the 6th, 8th and 10th days was calculated graphically, the change in the serum ferritin level at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From 6th to the end of 10th day

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Serum Ferritin LevelsBaseline747.05 mg/dLStandard Deviation 800.54
Control GroupChanges in Serum Ferritin LevelsFD11076.88 mg/dLStandard Deviation 704.05
Control GroupChanges in Serum Ferritin LevelsFD31097.57 mg/dLStandard Deviation 595.22
Control GroupChanges in Serum Ferritin LevelsFD51206.90 mg/dLStandard Deviation 782.84
Study GroupChanges in Serum Ferritin LevelsFD5494.71 mg/dLStandard Deviation 349.78
Study GroupChanges in Serum Ferritin LevelsBaseline682.75 mg/dLStandard Deviation 470.08
Study GroupChanges in Serum Ferritin LevelsFD3433.48 mg/dLStandard Deviation 641.82
Study GroupChanges in Serum Ferritin LevelsFD1628.45 mg/dLStandard Deviation 580.1
p-value: 0.005Wilcoxon (Mann-Whitney)
Secondary

Changes in Serum Lymphocyte Counts

In both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). Serum lymphocyte counts (cell/mm\^3) at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in serum lymphocyte counts on the 6th, 8th and 10th days was calculated graphically, the change in the serum lymphocyte count at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From 6th to the end of 10th day

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in Serum Lymphocyte CountsBaseline1010 cell/mm^3Standard Deviation 438
Control GroupChanges in Serum Lymphocyte CountsFD31086 cell/mm^3Standard Deviation 880
Control GroupChanges in Serum Lymphocyte CountsFD1916 cell/mm^3Standard Deviation 411
Control GroupChanges in Serum Lymphocyte CountsFD51256 cell/mm^3Standard Deviation 710
Study GroupChanges in Serum Lymphocyte CountsFD51698 cell/mm^3Standard Deviation 1438
Study GroupChanges in Serum Lymphocyte CountsBaseline932 cell/mm^3Standard Deviation 483
Study GroupChanges in Serum Lymphocyte CountsFD11403 cell/mm^3Standard Deviation 869
Study GroupChanges in Serum Lymphocyte CountsFD31668 cell/mm^3Standard Deviation 819
p-value: 0.24Wilcoxon (Mann-Whitney)
Secondary

Changes in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)

In both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). PaO2/FiO2 ratios at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in PaO2/FiO2 ratios on the 6th, 8th and 10th days was calculated graphically, the change in the PaO2/FiO2 ratio at the end of the 10th day (secondary endpoint) with the baseline ratio was compared statistically (the results were given as p value).

Time frame: From 6th to the end of 10th day

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)Baseline197.44 RatioStandard Deviation 102.31
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)FD1204.28 RatioStandard Deviation 109.51
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)FD3211.75 RatioStandard Deviation 127.62
Control GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)FD5220.78 RatioStandard Deviation 127.26
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)FD5236.33 RatioStandard Deviation 85.66
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)Baseline158.83 RatioStandard Deviation 88.15
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)FD3227.43 RatioStandard Deviation 103.71
Study GroupChanges in the Ratio of Partial Pressure of Oxygen (PaO2) to Fraction of Inspired Oxygen (FiO2) (PaO2/FiO2)FD1199.83 RatioStandard Deviation 85.02
p-value: 0.39Wilcoxon (Mann-Whitney)
Secondary

Changes in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)

In both groups, after the treatment period was completed (first 5 days, primary endpoint), patients were followed up for 5 more days (follow-up period). PNL/L ratios at the end of 6th (FD1), 8th (FD3) and 10th day (FD5) were also recorded. The end of the 10th day was accepted as the secondary endpoint. While the change in PNL/L ratios on the 6th, 8th and 10th days was calculated graphically, the change in the PNL/L ratio at the end of the 10th day (secondary endpoint) with the baseline value was compared statistically (the results were given as p value).

Time frame: From 6th to the end of 10th day

ArmMeasureGroupValue (MEAN)Dispersion
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)Baseline7.48 RatioStandard Deviation 6.41
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)FD110.49 RatioStandard Deviation 7.1
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)FD39.66 RatioStandard Deviation 10.99
Control GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)FD56.19 RatioStandard Deviation 4.85
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)FD57.34 RatioStandard Deviation 8.09
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)Baseline8.77 RatioStandard Deviation 8.35
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)FD35.81 RatioStandard Deviation 9.99
Study GroupChanges in the Ratio of Polymorphonuclear Leukocyte Count to Lymphocyte Count (PNL/L)FD16.90 RatioStandard Deviation 11.84
p-value: 0.56Wilcoxon (Mann-Whitney)
Secondary

Mortality

The number of died patients were evaluated in study and control groups

Time frame: Through study completion, an average of 3 months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Control GroupMortality9 Participants
Study GroupMortality6 Participants
p-value: 0.37Chi-squared
Secondary

Number of Participants With Clinical Response

The presence of at least two of the following criteria in patients on the 10th day were accepted as clinical response: Respiration rate between 22-24/min, SpO2 level in room air \>95%, absence of oxygen requirement, observation of radiological improvement in control lung tomography and no need for intensive care.

Time frame: 10 days (5 days ivermectin therapy plus 5 days follow-up)

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Control GroupNumber of Participants With Clinical Response16 Participants
Study GroupNumber of Participants With Clinical Response22 Participants
p-value: 0.1Chi-squared
Secondary

Rate of COVID-19 Polymerase Chain Reaction (PCR) Test Negativity

At the end of the follow-up period (10th day), patients in the study and control group were investigated by PCR test for SARS-CoV-2 and the negative results were recorded as percentage for both groups.

Time frame: At the end of 10th day

Population: PCR test was applied to 8 patients in the control group and 16 patients in the study group at the end of the study (secondary endpoint).

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Control GroupRate of COVID-19 Polymerase Chain Reaction (PCR) Test Negativity3 Participants
Study GroupRate of COVID-19 Polymerase Chain Reaction (PCR) Test Negativity14 Participants
p-value: 0.01Chi-squared
Secondary

Treatment-Related Adverse Events as Assessed by CTCAE v4.0

Adverse effects of ivermectin and drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the study group and and the number of participants were noted. Adverse effects of drugs other than ivermectin (Hydroxychloroquine, favipiravir, azithromycin) were evaluated in the patients in the control group and and the number of participants were noted.

Time frame: From the 6th day of study to the 10th day of study

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Control GroupTreatment-Related Adverse Events as Assessed by CTCAE v4.00 Participants
Study GroupTreatment-Related Adverse Events as Assessed by CTCAE v4.00 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026