Choose healthy subjects and patients with TB, distribute them into different dose groups according to the recombinant EC allergen dose from low to high average. Conducting clinical trials of TB-PPD or placebo as controlled arms intradermal injection. Do specific interferon gamma detection before the skin test,after the test 72h±2h and 144h±2h. Evaluate the safety of the recombinant EC allergy , and provide the appropriate dose range for phase IIb clinical trials.
First, 56 healthy subjects are distributed into different dose groups according to the recombinant EC allergen dose from low to high.Conducting clinical trials of TB-PPD as controlled arms intradermal injection.Do specific interferon gamma detection before the skin test,after the test 72h±2h and 144h±2h. The vital signs (breathing, heart rate, blood pressure and temperature), skin reaction at injection site (flush and induration) , local reactions (rash, pain, itching and skin mucous membrane) and a variety of adverse events; The vital signs, blood routine, urine routine, liver and kidney function, electrocardiogram (before the skin test,after skin test 144h )are the main test items,Evaluate the safety of the recombinant EC allergy in the expansion of the healthy people , and provide the appropriate dose range for phase IIb clinical trials. Second,56 patients of TB are distributed different dose groups according to the recombinant EC allergen dose from low to high. Conducting clinical trials of TB-PPD as controlled arms intradermal injection.Do specific interferon gamma detection before the skin test,after the test 72h±2h and 144h±2h. The vital signs (breathing, heart rate, blood pressure and temperature),skin reaction at injection site (flush and induration) , local reactions (rash, pain, itching and skin mucous membrane) and a variety of adverse events; The vital signs, blood routine, urine routine, liver and kidney function, electrocardiogram (before the skin test,after skin test 144h )are the main test items,Evaluate the safety of the recombinant EC allergy in patients of TB,and provide the appropriate dose range for phase IIb clinical trials. Third,32 patients of TB are distributed into different dose groups according to the recombinant EC allergen dose from low to high. Conducting clinical trials of placebo as controlled arms intradermal injection.Do specific interferon gamma detection before the skin test,after the test 72h±2h and 144h±2h. The vital signs (breathing, heart rate, blood pressure and temperature), skin reaction at injection site (flush and induration), local reactions (rash, pain, itching and skin mucous membrane) and a variety of adverse events; The vital signs, blood routine, urine routine, liver and kidney function, electrocardiogram (before the skin test,after skin test 144h )are the main test items,Evaluate the safety of the recombinant EC allergy in patients of TB on safety.
Left arm intradermal injection of 0.1ml TB-PPD(50IU/ml) by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 1μg/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 Allergen and TB-PPD only one time in the healthy subjects and the first part of tuberculosis subjects respectively.
Left arm intradermal injection of 0.1ml TB-PPD(50IU/ml) by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 5g/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 Allergen and TB-PPD only one time in the healthy subjects and the first part of tuberculosis subjects respectively.
Number of Healthy Participants Negative for Reaction at 24 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in healthy participants at 24 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the healthy participants' arm are positive reaction. The percentage of negative(negative number/total number\*100%) is the specificity of ESAT6-CFP10 .
Time frame: 24 hours after intradermal injection
Number of Tuberculosis (TB) Participants Positive for Reaction at 24 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in TB participants at 24 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the participants' arm are positive reaction.
Time frame: 24 hours after intradermal injection
Number of Healthy Participants Negative for Reaction at 48 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in healthy participants at 48 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the healthy participants' arm are positive reaction.
Time frame: 48 hours after intradermal injection
Number of Tuberculosis (TB) Participants Positive for Reaction at 48 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in TB participants at 48 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the participants' arm are positive reaction.
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Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
144
Left arm intradermal injection of 0.1ml TB-PPD(50IU/ml) by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 10g/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 Allergen and TB-PPD only one time in the healthy subjects and the first part of tuberculosis subjects respectively.
Left arm intradermal injection of 0.1ml TB-PPD(50IU/ml) by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 20/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 Allergen and TB-PPD only one time in the healthy subjects and the first part of tuberculosis subjects respectively.
Left arm intradermal injection of the placebo of 1μg/ml ESAT6-CFP10 by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 1μg/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 and placebo only one time in the second part of tuberculosis subjects.
Left arm intradermal injection of the placebo of 5μg/ml ESAT6-CFP10 by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 5μg/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 and placebo only one time in the second part of tuberculosis subjects.
Left arm intradermal injection of the placebo of 10μg/ml ESAT6-CFP10 by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 10μg/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 and placebo only one time in the second part of tuberculosis subjects.
Left arm intradermal injection of the placebo of 20μg/ml ESAT6-CFP10 by a syringe(1ml).Observe 30 minutes , if without obvious adverse reaction then right arm intradermal injection 20μg/ml ESAT6-CFP10 by a syringe(1ml). Inject ESAT6-CFP10 and placebo only one time in the second part of tuberculosis subjects.
Time frame: 48 hours after intradermal injection
Number of Healthy Participants Negative for Reaction at 72 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in healthy participants at 72 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the healthy participants' arm are positive reaction. The percentage of negative(negative number/total number\*100%) is the specificity of ESAT6-CFP10
Time frame: 72 hours after intradermal injection
Number of Tuberculosis (TB) Participants Positive for Reaction at 72 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in TB participants at 72 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the participants' arm are positive reaction.
Time frame: 72 hours after intradermal injection
Number of Healthy Participants Negative for Reaction at 96 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in healthy participants at 96 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the healthy participants' arm are positive reaction.
Time frame: 96 hours after intradermal injection
Number of Tuberculosis (TB) Participants Positive for Reaction at 96 Hours After Intradermal Injection With ESAT6-CFP10
The investigators measure the longitudinal diameter and transverse diameter of induration and/or redness of ESAT6-CFP10 in TB participants at 96 hours after intradermal injection by vernier caliper . And at the same blisters and lymphangitis are the specificity of the positive reaction of ESAT6-CFP10 .So induration ,redness ,blisters and lymphangitis in the participants' arm are positive reaction.
Time frame: 96 hours after intradermal injection
the Number of Participants With Adverse Events
evaluate specific time point of vital signs, skin test reaction, blood routine, urine routine, liver and kidney function, electrocardiogram and adverse events as the incidence of adverse events in the participants . Skin test reaction observation time: at the end of the skin test, skin test after 15 minutes, 1 hour, 4 hours, 24 hours, 48 hours, 72 hours, 96 hours; Vital signs evaluation time: 0 minutes before the subjects were intradermal injection, intradermal injection after 15 minutes, 1 hour, 4 hours, 24 hours, 48 hours, 72 hours, 96 hours, 144 hours. Blood routine, urine routine, liver and kidney function, electrocardiogram (ecg) evaluation time: skin test before and 144 h after injection; adverse events evaluation time: participants signed a written informed consent to finish all the follow-up.
Time frame: before injection to 144 hours (plus or minus 2 hours) after injection
the Number of Healthy Participants Negative for IFN-γ(Gamma Interferon ) Before Injection
The investigator draw 5ml venous blood for detection of IFN-γ four hours before injection with drug.The percentage of negative(negative number/total number\*100%) is the specificity of IFN-γ in healthy participants.
Time frame: before injection and after signed ICF(informed consent forms)
the Number of Tuberculosis (TB) Participants Positive for IFN-γ(Gamma Interferon ) Before Injection
The investigator draw 5ml venous blood for detection of IFN-γ four hours before injection with drug. The percentage of positive(positive number/total number\*100%) is the sensitivity of IFN-γ in TB Participants.
Time frame: 4 hours before injection and after signed ICF(informed consent forms)
the Number of Healthy Participants Negative for IFN-γ(Gamma Interferon ) at 72 Hours After Intradermal Injection With ESAT6-CFP10
The investigator draw 5ml venous blood for detection of IFN-γ four hours before injection with drug.The percentage of negative(negative number/total number\*100%) is the specificity of IFN-γ in healthy participants.
Time frame: 72 hours after injection
the Number of Tuberculosis (TB) Participants Positive for IFN-γ(Gamma Interferon ) at 72 Hours After Intradermal Injection With ESAT6-CFP10
The investigator draw 5ml venous blood for detection of IFN-γ 72 hours after injection with drug.The percentage of positive(positivenumber/total number\*100%) is the sensitivity of IFN-γ in in TB participants.
Time frame: 72 hours after injection
the Number of Healthy Participants Negative for IFN-γ(Gamma Interferon ) at 144 Hours After Intradermal Injection With ESAT6-CFP10
The investigator draw 5ml venous blood for detection of IFN-γ 144 hours after injection with drug.The percentage of negative(negative number/total number\*100%) is the specificity of IFN-γ in healthy participants.
Time frame: 144 hours after injection
the Number of Tuberculosis (TB) Participants Positive for IFN-γ(Gamma Interferon ) at 144 Hours After Intradermal Injection With ESAT6-CFP10
The investigator draw 5ml venous blood for detection of IFN-γ 144 hours before injection with drug.The percentage of positive(positive number/total number\*100%) is the sensitivity of IFN-γ in in TB participants.
Time frame: 144 hours after injection