A Phase 2 Randomized, Double-Blind, Placebo-Controlled, Multiple Ascending Dose Study to Evaluate the Efficacy and Safety of CAM-3001 in Subjects With Rheumatoid Arthritis

Percentage of Participants Who Achieved Disease Activity Score of 28 Joints Using C-Reactive Protein (DAS28 [CRP]) Response at Day 85 by Region

Time Frame: Day 85

DAS28 (CRP) calculated SJC and TJC using the 28 joints, GH using participant assessment of disease activity (participant rated arthritis activity using the numerical rating scale with 0 = best, 10 = worst), and CRP (mg/L). Total score range: 0-9.4, higher score= more disease activity. DAS28 (CRP) \<3.2 = low disease activity, \>=3.2 to 5.1 = moderate to high disease activity and \<2.6= remission. A Day 85 responder was defined as a participant who experienced more than 1.2 decrease from baseline in DAS28 (CRP) score at Day 85. DAS28 (CRP) response at Day 85 for the European and Japanese regions were reported.

Percentage of Participants Who Achieved Disease Activity Score of 28 Joints Using Erythrocyte Sedimentation Rate (DAS28 [ESR]) at Day 85 by Region

Time Frame: Day 85

DAS28 (ESR) calculated SJC and TJC using the 28 joints, GH using participant assessment of disease activity (participant rated arthritis activity using the numerical rating scale with 0 = best, 10 = worst), and the erythrocyte sedimentation rate (ESR) (millimeters per hour \[mm/hour\]). Total score range: 0-9.4, higher score = more disease activity. DAS28 (ESR) \<3.2 = low disease activity, \>=3.2 to 5.1 = moderate to high disease activity and \<2.6= remission. A Day 85 responder was defined as a participant who experienced more than 1.2 decrease from baseline in DAS28 (ESR) score at Day 85. DAS28 (ESR) response at Day 85 for the European and Japanese regions were reported.

Percentage of Participants Who Achieved DAS28 (CRP) Response by European League Against Rheumatism (EULAR) Category at Day 85 by Region

Time Frame: Day 85

DAS28 (CRP) response by EULAR category were used to measure individual response as none, moderate, and good, depending on the extent of change from baseline and the level of disease activity reached. Good response: change from baseline \>1.2 with baseline DAS28 (CRP) \<3.2; moderate response: change from baseline \>1.2 with baseline DAS28 (CRP) \>=3.2 to =\< 5.1 or change from baseline \>=0.6 to =\< 1.2 with baseline DAS28 (CRP) \>=3.2 to =\<5.1; no response: change from baseline \<0.6 or change from baseline \>=0.6 and =\<1.2 with baseline DAS28 (CRP) \>5.1. DAS28 (CRP) response by EULAR category at Day 85 for the European and Japanese regions were reported.

Percentage of Participants Who Achieved DAS28 (ESR) Response by European League Against Rheumatism (EULAR) Category at Day 85

Time Frame: Day 85

DAS28 (ESR) response by EULAR category were used to measure individual response as none, moderate, and good, depending on the extent of change from baseline and the level of disease activity reached. Good response: change from baseline \>1.2 with baseline DAS28 (ESR) \<3.2; moderate response: change from baseline \>1.2 with baseline DAS28 (ESR) \>=3.2 to =\< 5.1 or change from baseline \>=0.6 to =\< 1.2 with baseline DAS28 (ESR) \>=3.2 to =\<5.1; no response: change from baseline \<0.6 or change from baseline \>=0.6 and =\<1.2 with baseline DAS28 (ESR) \>5.1.

Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs)

Time Frame: Baseline up to Day 169 (follow-up)

An adverse event (AE) was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent are events between first dose of study drug and up Day 169 that were absent before treatment or that worsened relative to pretreatment state.

Percentage of Participants Who Achieved Disease Activity Score of 28 Joints Using Erythrocyte Sedimentation Rate (DAS28 [ESR]) at Day 85

Time Frame: Day 85

DAS28 (ESR) calculated SJC and TJC using the 28 joints, GH using participant assessment of disease activity (participant rated arthritis activity using the numerical rating scale with 0 = best, 10 = worst), and the erythrocyte sedimentation rate (ESR) (millimeters per hour \[mm/hour\]). Total score range: 0-9.4, higher score = more disease activity. DAS28 (ESR) \<3.2 = low disease activity, \>=3.2 to 5.1 = moderate to high disease activity and \<2.6= remission. A Day 85 responder was defined as a participant who experienced more than 1.2 decrease from baseline in DAS28 (ESR) score at Day 85.

Forced Expiratory Volume in 1 Second (FEV1) and Forced Vital Capacity (FVC) at Day 85

Time Frame: Day 85

FEV1 was the maximal volume of air exhaled in the first second of a forced expiration from a position of full inspiration. FVC was the volume of air which can be forcibly exhaled from the lungs after taking the deepest breath possible.

Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) and Forced Vital Capacity (FVC) at Day 85

Time Frame: Baseline and Day 85

FEV1 was the maximal volume of air exhaled in the first second of a forced expiration from a position of full inspiration. FVC was the volume of air which can be forcibly exhaled from the lungs after taking the deepest breath possible.

Dyspnea Score at Day 85

Time Frame: Day 85

Modified Borg dyspnea scale is a validated participant reported outcome assessing participant's perceived difficulty in breathing (dyspnea). The scale ranges from 0 (nothing at all) to 10 (maximal difficulty). Higher scores indicate greater difficulty in breathing.

Change From Baseline in Dyspnea Score at Day 85

Time Frame: Baseline and Day 85

Modified Borg dyspnea scale is a validated participant reported outcome assessing participant's perceived difficulty in breathing (dyspnea). The scale ranges from 0 (nothing at all) to 10 (maximal difficulty). Higher scores indicate greater difficulty in breathing.

Oxygen Saturation Level at Day 85

Time Frame: Day 85

Oxygen saturation measured by pulse oximetry which measures the concentration of oxygen in the blood.

Percentage of Participants Who Achieved DAS28 (CRP) Response by European League Against Rheumatism (EULAR) Category at Day 85

Time Frame: Day 85

DAS28 (CRP) response by EULAR category were used to measure individual response as none, moderate, and good, depending on the extent of change from baseline and the level of disease activity reached. Good response: change from baseline \>1.2 with baseline DAS28 (CRP) \<3.2; moderate response: change from baseline \>1.2 with baseline DAS28 (CRP) \>=3.2 to less than or equal to (=\<) 5.1 or change from baseline \>=0.6 to =\< 1.2 with baseline DAS28 (CRP) \>=3.2 to =\<5.1; no response: change from baseline \<0.6 or change from baseline \>=0.6 and =\<1.2 with baseline DAS28 (CRP) \>5.1.

Number of Participants With Abnormal Vital Signs Reported as Treatment-Emergent Adverse Events (TEAEs)

Time Frame: Baseline up to Day 169 (follow-up)

Vital sign assessments included blood pressure, pulse rate, temperature, and respiration rate. Vital signs abnormalities reported as TEAEs were reported.

Number of Participants With Abnormal Electrocardiogram (ECG) Results

Time Frame: Baseline up to Day 169 (follow-up)

12-lead ECG was recorded and corrected QT (QTc) interval was measured with the participant in a rested supine position for at least 10 minutes. Any ECG abnormality deemed clinically significant as per investigator's discretion were reported.

Diffusing Capacity for Carbon Monoxide (DLCO) at Day 85

Time Frame: Day 85

DLCO is a pulmonary function test that measures the partial pressure difference between inspired and expired carbon monoxide.

Diffusing Capacity for Carbon Monoxide (DLCO) at Day 85 by Region

Time Frame: Day 85

DLCO is a pulmonary function test, and measures the partial pressure difference between inspired and expired carbon monoxide. DLCO% for the European and Japanese regions were reported.

Change From Baseline in Diffusing Capacity for Carbon Monoxide (DLCO) at Day 85

Time Frame: Baseline and Day 85

DLCO is a pulmonary function test, and measures the partial pressure difference between inspired and expired carbon monoxide.

Categorized Dyspnea Score at Day 85

Time Frame: Day 85

Modified Borg dyspnea scale is a validated participant reported outcome assessing participant's perceived difficulty in breathing (dyspnea). The scale ranges from 0 (nothing at all) to 10 (maximal difficulty). Higher scores indicate greater difficulty in breathing. The modified BORG dyspnea scale was categorized as - no/slight (0 to 2), moderate (3 and 4), severe (5 and 6) and very severe breathlessness (7 and above).

Percentage of Participants Who Achieved Disease Activity Score of 28 Joints Using C-Reactive Protein (DAS28 [CRP]) Response at Day 85

Time Frame: Day 85

DAS28 (CRP) calculated swollen joint count (SJC) and tender joint count (TJC) using the 28 joints, general health (GH) using participant assessment of disease activity (participant rated arthritis activity using the numerical rating scale with 0 = best, 10 = worst), and CRP (milligram per Liter \[mg/L\]). Total score range: 0-9.4, higher score= more disease activity. DAS28 (CRP) less than (\<) 3.2 = low disease activity, greater than or equal to (\>=) 3.2 to 5.1 = moderate to high disease activity and \<2.6= remission. A Day 85 responder was defined as a participant who experienced more than 1.2 decrease from baseline in DAS28 (CRP) score at Day 85.

Oxygen Saturation Level at Day 85 by Region

Time Frame: Day 85

Oxygen saturation measured by pulse oximetry which measures the concentration of oxygen in the blood. Oxygen saturation for the European and Japanese regions were reported.

Change From Baseline in Oxygen Saturation Level at Day 85

Time Frame: Baseline and Day 85

Oxygen saturation measured by pulse oximetry which measures the concentration of oxygen in the blood.

Percentage of Participants Who Achieved DAS28 (ESR) Response by European League Against Rheumatism (EULAR) Category at Day 85 by Region

Time Frame: Day 85

DAS28 (ESR) response by EULAR category were used to measure individual response as none, moderate, and good, depending on the extent of change from baseline and the level of disease activity reached. Good response: change from baseline \>1.2 with baseline DAS28 (ESR) \<3.2; moderate response: change from baseline \>1.2 with baseline DAS28 (ESR) \>=3.2 to =\< 5.1 or change from baseline \>=0.6 to =\< 1.2 with baseline DAS28 (ESR) \>=3.2 to =\<5.1; no response: change from baseline \<0.6 or change from baseline \>=0.6 and =\<1.2 with baseline DAS28 (ESR) \>5.1. DAS28 (ESR) response by EULAR category at Day 85 for the European and Japanese regions were reported.

Forced Expiratory Volume in 1 Second (FEV1) and Forced Vital Capacity (FVC) at Day 85 by Region

Time Frame: Day 85

FEV1 was the maximal volume of air exhaled in the first second of a forced expiration from a position of full inspiration. FVC was the volume of air which can be forcibly exhaled from the lungs after taking the deepest breath possible. FEV1 and FVC at Day 85 for the European and Japanese regions were reported.

Number of Participants With Abnormal Clinical Laboratory Parameters Reported as Treatment-Emergent Adverse Events (TEAEs)

Time Frame: Baseline up to Day 169 (follow-up)

Any medically significant change in laboratory evaluations were recorded as adverse events. Following parameters were analyzed for laboratory examination: hematology (haemoglobin, reticulocytes, platelet count, white blood cell count, total neutrophils, eosinophils, monocytes, basophils, lymphocytes, mean corpuscular volume, mean corpuscular haemoglobin concentration); serum chemistry (creatinine, glucose, calcium, sodium, potassium, chloride, total bicarbonate, aspartate aminotransferase, alanine aminotransferase, total bilirubin, alkaline phosphatase, gamma glutamyl transferase, CRP, ESR, albumin, total cholesterol, triglycerides, rheumatoid factor and anti-cyclic citrullinated peptide antibodies); urinalysis (albumin, glucose, protein, blood, nitrite).