| Certification: | FDA, CE |
|---|---|
| Disinfection: | Without Disinfection |
| Application: | Face Body Chin |
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Laennec is the ethical drug manufactured with JBP's unique technologies.
Laennec is the ethical drug manufactured with JBP's unique technologies for effective extraction of variety cytokines, and other physiologically active substances from the human placenta. For instance, HGF promotes the proliferation of hepatic parenchymal cells for recovery of a damaged liver. Our product safety is ensured by the most rigid safety measures among existing scientific standards.
| Ingredients | Content | Remarks | |
| Active ingredient | Water-soluble substance of a product of enzymatic human placenta | 112 mg | Ingredient extracted from human placenta |
| Inactive ingredients | Pepsin | Trace | Gastric mucosal extract |
| Lactose | 0.6 mg | - | |
| pH adjuster | q.s. | - |
Description
This product is a light yellow-brown or yellow-brown clear liquid with a distinctive odor. The pH level ranges from 5.5 to 6.5 and the osmotic pressure ratio (to physiological saline) is approximately one.
Indications
Improvement of hepatic function in chronic hepatic disease.
Dosage and administration
The normal adult dose is a 2 ml subcutaneous or intramuscular injection once daily. According to symptoms, the dose can be increased to 2 or 3 times daily.
Packaging
2 ml 50 ampoules
1. Careful Administration
LAENNEC should be administrated with care in patients predisposed to allergies.
2. Important Basic Cautions
This product is manufactured from the extract of human placenta delivered full-term in Japan. In order to screen each donor, a complete medical history, interviewing such as a history of travel and serologic testing for viruses, bacteria and infection are performed, after nucleic-acid testing (NAT) to meet with requirements for HBV-DNA, HCV-RNA and HIV-1-RNA is carried out. In addition, it has been confirmed that high-pressure steam sterilization for 20 minutes at 121 °C during the manufacturing process is effective in inactivating various viruses such as HIV etc. Furthermore, although in the product test, the nucleic-acid test meets with requirements for HBV-DNA, HCV-RNA, HIV-1-RNA, HTLV-DNA, and parvovirus B19-DNA, patients should be made aware of the following points during administration: To date, the transmission of infection, such as variant Creutzfeldt-Jakob disease (vCJD), by administration of this product in Japan or other countries has not been reported. However, although safety measures are taken to prevent infection during the manufacturing process, it is theoretically impossible to fully eliminate the risks of infection transmission originating in a human placenta used as raw material. While safety measures during the manufacturing process to prevent infection, as well as confirmation of the necessity of treatment for the disease before administration are carried out, doctors should explain to patients and try to have them understand that when human placenta is used as the raw material of a product, the risk of infection cannot be fully ruled out.
3. Drug Interactions
When this product is directly mixed with a strong base preparation of pH 8.5 or more, attenuation of pharmacological activity has been reported.
No coadministration with this product resulting in the enhancement or attenuation of the pharmacological effect of this product or concomitant drugs, appearance of adverse reactions, or aggravation of disease has been reported.
Adverse reactions or patients who were suspected to have suffered adverse reactions to this product were reported in a total of 10 (3.7 %) of the 273 patients selected for safety evaluation in the clinical study performed during implementation of reevaluation of the drug efficacy. The most frequently observed adverse reactions were injection site pain in 7 patients (2.6 %), hypersensitivity (such as rash, fever, and itching) in 1 patient (0.4 %), injection site indurations in 1 patient (0.4 %), and gynaecomastia in 1 patient (0.4 %). The causal relationship between gynaecomastia and this product is unknown.
No abnormal changes in laboratory values were observed.1)
• Clinically significant adverse reactions
**Shock (incidence unknown):
Since this product is a protein/amino acid preparation derived from human tissue, this product may cause a shock. If any signs of abnormality are observed, the drug should be discontinued immediately, appropriate measures should be taken and the condition should be monitored fully.
• Other adverse reactions (in descending order of occurrence)
| Injection site pain | 2.56% |
| Sensitivity (rash, fever, itching etc.) | 0.37% |
| Injection site indurations | 0.37% |
| Gynaecomastia | 0.37% |
4. Use in the Elderly
From clinical data and present use, no particular caution is needed in the administration of this product to the elderly. However, since elderly patients often have reduced physiological function, it should be administrated with care.
5. Use during Pregnancy. Delivery or Lactation
In reproductive development toxicity experiments on animals, including teratogenicity, this product can be considered not to have such toxicity.2)
6. Pediatric use
The safety of this product in premature infants, newborns, infants, toddlers or children has not been established due to insufficient clinical data.
7. Overdosage
Overdosage of this product and the resulting efficacy or safety have not been established (Due to insufficient clinical data).
8. Precautions for Use
Injection site:
In order to avoid any effect on tissue or nerves, the product should be injected subcutaneously or intramuscularly taking the following precautions:
a) For the injection site, to avoid nerve pathways, it should be administrated with care.
b) In the case of repeated injections, avoid injecting into the same site by alternating on the left and right side etc.
c) If intense pain or regurgitation of blood is observed, the needle should be removed immediately, and injected into a different site.
Opening the ampoule:
When opening the ampoule, it is preferable to wipe the part to be cut with an ethanol sponge before opening it.
The bioactive ingredients of LAENNEC are extracted from human placenta, and the primary pharmacological effects of this product can not necessarily be attributed to a single substance or ingredient. Therefore, evaluation of the pharmacokinetics (absorption, distribution, metabolism, and excretion) of this product has not been established.
1. Double blind comparison to chronic hepatitis and hepatic cirrhosis1)
In a double-blind crossover study of 124 patients in Japan on the effects of this product on chronic hepatitis and hepatic cirrhosis, administration of this product improved serum transaminase (GOT, GPT) levels significantly (see figures below).
Efficacy to GOT
Efficacy to GPT
Summary of drug-efficacy
[(A) Items having a tendence to decrease or increase significantly by Laennec]
Data on pharmacological reevaluation
Summary of drug-efficacy
[(B) Items having a tendence to decrease or increase significantly by Placebo]
2. Action on HCV-RNA levels3)
Twenty subjects of two-agent combination therapy only with Stronger Neo-Minophagen C and Acelart were performed in the past and negativation neither of C100-3 antibody nor HCV-RNA was admitted in them. In three-agent combination therapy with Laennec added, two negative cases of serum HCV-RNA levels were admitted.
1. Stimulatory effects of hepatic reproduction4), 5)
After 70 % of livers in healthy rats was resected, time comparisons of liver weight to the control groups resulted in significant stimulation of hepatic reproduction in the Laennec groups.
2. Stimulatory effects of cellular DNA synthesis4)
Compared to control groups, in vivo experimental system using primary culture rat hepatocytes, the DNA-synthesis accelerator activity was observed in 2 μL/ml-administrated groups. That accelerator activity was equivalent to 10 pM of rHGF. The liver tissue in vivo experimental system using rats with acute hepatitis by ANIT was stained and the result of evaluation of the rate of hepatocyte nucleus in DNA synthesis period showed significant accelerator of DNA synthesis compared to the control groups.
3. Inhibitory effects of experimental liver injury4), 6)
Compared to control groups, in vivo experimental system using rats with acute hepatitis by ANIT, the liver cytosolic enzymes in serum (GPT, ALP, LAP and g-GTP) and the bilirubin levels significantly degreased in the Laennec groups.
In addition, compared to control groups, in vivo experimental system using rats with acute hepatitis and chronic hepatitis by CCI4, the liver cytosolic enzymes in serum (GPT, GOT) significantly degreased and histopathologically improved liver disorder in the Laennec groups.
4. Anti-fatty liver action7)
A 5-day subcutaneous injection of 1.2 ml/kg of this product in rats suffering from acute hepatic disorder with CCI4 resulted in a significant decrease in hepatic weight to body weight as compared with the control groups. Furthermore, total hepatic lipids and total hepatic cholesterol decreased significantly in the 3.6 ml/kg dose groups, and hepatohistological findings to support such results were seen and the body weight was realized.
After pretreatment of acute hepatic disorder with CCI4, there were no significant differences with regards to biochemical findings between the control groups and when 5-day repeated, subcutaneous administration of 1.2 ml/kg of this product was performed. However, in the 3.6-ml/kg dose groups, maintenance of lobular structure was better than the control groups with regards to hepatohistological findings.
5. Absorption accelerated activity on interstitial connective tissue8)
This product exhibited inhibitory action of fibroplasias in rat liver due to 12-week repeated administration of CCI4, and it was confirmed histologically that once multiplied, interstitial connective tissues were absorbed.
This product is human-placental extract, and contains various biological active substances. However, the active ingredients of this agent cannot be specified as a single substance or several sorts of substances.
This product corresponds to a specialized biological product. Therefore, when this product is administrated, the product name, manufacturing No., date of administration (or prescription), name and address of patients should be reported and stored for at least 20 years in accordance with the order issued by the Japanese Ministry of Health, Labour and Welfare. This product should be used with attention to the point that the indication of this product is "improvement of hepatic function in chronic liver disease".
References
1) Ueda H. et al.: Kanzo (Liver), vol.15, 162, 1974
2) Taniguchi H. et al.: data on file in Japan Bio Products Co. Ltd., 1985-1991
3) Takami T.: Kiso to Rinsho, vol.30, 3549, 1996
4) Liu K. et al.: Yakuri to Rinsho, vol.5, 2187, 1995
5) Sakamoto K. et al.: Journal of Tokyo Medical University, vol.33, 271, 1975
6) Nakayama S. et al.: Folia Pharmacologica Japonica, vol.94, 289, 1989
7) Sakamoto K. et al.: Journal of Tokyo Medical University, vol.31, 829, 1973
Remarss company covers an area of 35000 square meters, of which the purification workshop is 8000 square meters.The company has independent research and development of Beijing university of more than 50 sets of advanced modern machinery and equipment, such as agnail cutting machine, automatic group installed, blister packing machine and so on.We also have more than 10 quality inspection personnel and 150 employees trained.The annual production capacity of pdo thread and hyaluronic acid company is 5 million pieces.
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