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Summary of Viral Infectious Diseases

  1. Types of viral hepatitis: A, B, C, D, E

2 viral hepatitis through the fecal-oral route transmission is: A, E

  1. Viral hepatitis is transmitted through blood: TYPE B, C and D
  2. Type D hepatitis virus is a defective virus, which can only be attached to hepatitis B virus
  3. Five hepatitis B items: HBsAg, HBsAb, HBeAg, HBeAb, HBcAb
  4. After infection with hepatitis B, there are three pairs of antigen and antibody systems, among which the blood examination can not detect: HBcAg
  5. The marker for early diagnosis of infectious pathogens is IgM
  6. The marker of late diagnosis of infectious pathogen is: IgG
  7. Five hepatitis B indicators, the significance of each indicator:

①HBsAg: surface antigen, indicating that hepatitis B is in the infectious period, infectious

②HBsAb: surface antibody, the only protective antibody, indicating that hepatitis B is in convalescence or has recovered

③HBeAg: E antigen, indicating that hepatitis B virus is in active replication, highly infectious

(4) HBeAb: E antibody indicates that HBV replication is weakened and infectivity is reduced

⑤HBcAb: core antibody, divided into two types, IgM indicating early infection; IgG indicates prior infection

  1. Common viruses of infectious diarrhea: Rotavirus, group A mainly infects infants; Group B mainly infected young adults

Polio is transmitted mainly through the faecal-oral route, but can also be transmitted by droplets

  1. Influenza viruses are divided into a, B and C types, and A is the most easily mutated to cause a worldwide pandemic; B mutation is weak, causing epidemic and sporadic; Type C is the most stable, causing localized emission
  2. Japanese encephalitis is transmitted from pigs through mosquito bites
  3. Human immunodeficiency virus (HIV) primarily attacks CD4+T lymphocytes, ultimately affecting the human immune system

Why Are More People Developing Arthritis, and How Can It Be Treated?

Arthritis is one of the most common chronic diseases and the number one disabling disease in the world. It affects 50% of people over the age of 50 and 90% of people over the age of 65. In severe cases, it can cause difficulty in walking, affect normal life and even cause disability.

Don't think it's just for old people. More and more young people are suffering from it. Arthritis affects 355 million people worldwide and 1 in 6 people in Asia! As of 2015, there were more than 100 million patients in mainland China, and the number is still increasing. So why is arthritis on the rise? How to treat arthritis?

Why are more and more people getting arthritis?

  1. Knee degeneration with age

In young men, there are reasonable gaps between the kneecaps, and there is synovial fluid, which acts as lubrication. But with the increase of age and some other factors, joint synovial fluid degeneration, knee cartilage and tissue wear degree is gradually aggravated, knee degeneration is almost inevitable. In other words, people of a certain age can get arthritis of the knee, either mildly or severely.

  1. Obesity aggravates knee degeneration

In addition to age, obesity is also a key factor in the development of osteoarthritis. He believes that weight gain increases the load on the knee cartilage, accelerating wear and tear. But now people's life is irregular, the diet is too greasy, weight only gain, accelerate knee degeneration.

  1. Incorrect way of exercise

It is generally accepted that exercise is helpful in the prevention and treatment of most diseases. However, many forms of exercise are not very protective against arthritis. Mountaineering and long-distance running are the last things knee patients should do. Due to the non-standard running posture, improper shoes and other reasons, it is easy to cause injury to the knee joint. And when climbing the knee force is 2-3 times of ordinary sports, more not suitable for knee patients.

How to treat arthritis?

  1. Drug therapy

First of all, if the patient's knee arthritis is in stage 1, the main symptom is slight swelling and pain of the knee joint, but the X-ray is normal with the help of medical instruments, then this situation is mainly treated by reducing activity, physical diagnosis and treatment, and drug means. Drugs, also mainly with some anti-inflammatory analgesic drugs, the effect is better.

  1. Arthroscopic cleaning

Secondly, if the patient's knee joint has active swelling and pain, and the range of motion has been significantly reduced, and the joint space has begun to narrow with the help of medical instruments, early degeneration of the joint, and articular cartilage fibrosis, then the patient has stage 2 knee arthritis.

The condition can also be treated without surgery, but if inflammation is frequent, an arthroscope can be used to clean it up. In addition, if patients have patellar subluxation, patellar tilt, varus deformity and other conditions, doctors will also recommend surgery to correct, because this can delay the degeneration of articular cartilage.

  1. Surgical treatment

If patients with knee joint often twisted the lock and the bow-legged, or appear larger crack, peeling, articular cartilage of knee has been deformed, so at this time of patients with knee osteoarthritis have developed to phase 3, 4, at that time we can adopt the way of cleaning under arthroscopy to treat, even for artificial knee joint replacement surgery.

Steroids, Behavior, and Mental Processes

Steroids signal the liver, which releases sugar into the bloodstream, increasing muscle energy, increasing stress resistance, and increasing energy supply. Testosterone is associated with sex drive in both men and women (the female adrenal glands produce some testosterone) (Davis, 2000).

Anabolic steroids (synthetic male testosterone) are sometimes used in conjunction with growth hormone to enhance athletic performance. These steroids not only improve athletic performance, but have also been linked to confidence, aggression and even memory function (Janowsky et al., 2000). We can understand the allure of steroids. Sometimes the difference between an acceptable athletic performance and an outstanding performance is very small. With millions of athletes hoping to excel in the big leagues, steroids can improve the odds (even by a small margin) and make a huge difference.

If steroids work, why are they still controversial? Part of the reason has to do with the ethics of competition, that athletes "play fair". Steroid use can also cause liver damage and other health problems.

Antibiotics and Anti-Inflammatory Drugs: Understanding the Difference

"Anti-inflammatory drugs = antibiotics?"

In daily life, people are used to thinking that anti-inflammatory drugs are antibiotics. This statement is not accurate and should not be confused.

Antibiotics and anti-inflammatory drugs are not the same thing at all

Anti-inflammatory drugs, as the name suggests, are drugs that inhibit inflammation, which can relieve inflammation and the pain it brings.

Antibiotics can inhibit or kill all kinds of microorganisms, such as bacteria, fungi, atypical pathogens, etc., so as to achieve the effect of controlling or eliminating infections.

All in all, the main role of antibiotics is to destroy bacteria and control infections, so they are only effective for inflammation caused by infections, while anti-inflammatory drugs can only control the inflammatory response, but cannot eliminate bacteria and control infections.

Abusing antibiotics is simply pitting yourself

Inflammation is not always caused by infection, such as rheumatoid arthritis, allergic rhinitis, etc. If under these circumstances, the wrong use of antibiotics will not only cause a certain economic loss, but also delay the condition and increase the suffering.

More importantly, antibiotics must not be abused! Don't abuse antibiotics! Don't abuse antibiotics!

While antibiotics control and destroy bacteria, they can also induce drug resistance. Whenever we really need to use antibiotics, we will most likely face the embarrassing situation of no medicines available.

How to use anti-inflammatory drugs and antibiotics?

Find out the reason and get twice the result with half the effort:

This requires understanding the causes of inflammation: including bacterial infections, viral infections, fungal infections, allergies, trauma, etc.

Antibiotics are only effective against inflammation caused by bacteria, but are powerless against inflammation caused by viruses, fungi, allergies, and trauma. In other words, if the disease is not caused by bacteria, but by viruses, fungi, allergies, etc., then no amount of antibiotics will help.

It can be seen that antibiotics are different from anti-inflammatory drugs, except that antibiotics have an anti-inflammatory effect under certain circumstances. The real anti-inflammatory drugs are anti-inflammatory drugs, which refer to steroids and non-steroidal anti-inflammatory drugs in medicine.

● Steroids

It is a class of substances that the body can synthesize naturally, that is, hormones that people often say, such as cortisone, hydrocortisone, dexamethasone, etc.;

● Non-steroidal anti-inflammatory drugs

Refers to non-steroidal anti-inflammatory drugs, common ones are aspirin, analgin, acetaminophen, indomethacin and so on.

These are the drugs that can directly reduce inflammation such as redness, swelling, heat, and pain. Even people can produce some hormone anti-inflammatory drugs by themselves, such as throat inflammation caused by colds and other diseases. 90% of them are caused by viruses. They are self-limiting. Even if you don’t use any medicine, you will heal yourself after a few days of rest. This is the function of the body's own secretion of anti-inflammatory drugs, and there is no need for antibacterial drugs such as amoxicillin.

The advent of penicillin in the 1920s saved countless lives of infected patients. Because people use antibiotics as a routine life-saving straw, they must be used regardless of disease.

The abuse of antibiotics not only delays the treatment of physical illnesses, but more importantly, because antibiotics are abused, it breaks the balance between the human body and microorganisms, kills the symbiotic bacteria that have been with us for a long time and is beneficial to us, leading to super bacteria The emergence of super bacteria, and this super bacteria is resistant, invulnerable, difficult to kill, and eventually will make some infections incurable.

Teach you a trick to easily distinguish between antibiotics and anti-inflammatory drugs

The names of antibiotics are quite regular. When I see the names of these 5 drugs in the future, the antibiotics are basically not gone:

  • * Mycin: such as penicillin, erythromycin, azithromycin
  • * Xilin: such as amoxicillin, methicillin

Cephalosporin * *: such as cefuroxime, ceftriaxone, ceftazidime

  • * Floxacin: such as Moxifloxacin, Levofloxacin
  • * Nidazole: such as metronidazole, ornidazole

Can't remember too much? It doesn't matter, there is an easier way-just look at the instructions. If the instructions say "applicable to * * infections caused by bacteria", it is antibiotics.

In short, medication should be used with caution, abuse is harmful, and anti-inflammatory drugs and antibiotics should be used rationally to protect health!

Top 10 Most Dangerous Viruses in Human History

1 Ebola Virus
The picture
The virus is mainly found in Africa and can be transmitted by physical contact with patients, with a high mortality rate of 50 to 90 percent. Currently, there is no cure for the virus.
Influenza A virus
The virus is the most dangerous flu virus, with a high mortality rate, because it can quickly evolve into new, more virulent and infectious viruses, rendering existing treatments ineffective.
3 HIV
The virus destroys the body's T lymphocytes, causing people to lose their immunity and die from other diseases. At present, there is no cure or medicine for the virus.
4 Smallpox virus
The picture
It has the highest incidence and death toll of any viral infection, killing at least 150 million people in the 18th century. Fortunately, humans have found a cure for this virus.
5 Rabies virus
The virus is transmitted to humans by animals (dogs, cats, wolves, etc.) and causes human rabies, which has a 100% mortality rate. Rabies can be prevented by vaccination, so it is important for humans to get vaccinated in time after being scratched or bitten by these animals.
6 Hepatitis virus
People infected with the virus are more likely to develop hepatitis, which can lead to cirrhosis or liver cancer.
7 Dengue Virus
The virus, which is spread mainly by mosquito bites, first appeared in the tropics and is now found in many areas, and the outbreaks are getting bigger. For this virus, children under the age of 15 need to pay more attention because they are vulnerable.
8 SARS coronavirus
The virus is a contagious respiratory disease that causes severe acute respiratory syndrome (SARS) and can be spread by droplets in close proximity. His mortality rate averaged 9.6%, with the highest 14-15%.
Marburg virus
The picture
The virus appeared in Marburg, Germany in 19967. It is highly contagious and transmitted by body fluids. The mortality rate is also very high, about 25% to 100%.
10 West Nile virus
The virus is spread by mosquitoes, mainly birds, but can also infect people. But the virus has a relatively small impact on people, with only 0.7 percent dying from encephalitis.

The Doctor Who First Discovered the Omicron Variant Describes It as “Mild”

Doctors who identified the Omicron strain of COVID-19, the first novel coronavirus strain, said it was "mild" and had not caused an increase in hospitalizations, in a rebuke to the global panic.

Governments around the world are imposing new travel bans and other virus restrictions in response to claims that the new strain is more transmissible and deadlier than Delta.

However, those with the most local expertise in South Africa are saying the opposite.

Barry Schoub, chairman of the Ministerial Advisory Committee on Vaccines, told the press that such fears were misplaced.

"The cases that have occurred so far are mild cases, mild to moderate cases, which is a good sign."

Schub again disputed the idea that the new strain could be more dangerous than Delta, and noted that Omicron could soon become the dominant strain, making it less "appropriate" than the Delta strain.

Angelique Coetzee, president of the South African Medical Association, echoed Schub's view, noting that patients infected with Omicron had "very different and very mild symptoms [from] those I have treated before."

Asked if authorities were unnecessarily panicking, Coetzee said "of course" and tried to dispel alarmism.

What Should Be Done if a Woman’s Immunity Decreases After Menopause?

Introduction: As women age, the function of the ovaries will gradually decline, which will lead to the emergence of permanent amenorrhoea. This is actually a normal physiological phenomenon for women. Don't feel too panic and anxious. Take it right. This matter, because there are many benefits after menopause, is also unsolicited. For example, for women with dysmenorrhea, they will never endure this kind of pain again after confirming it.

But many people don't know that after a woman's menopause, the body's immune function will decline, which will lead to a decrease in immunity and may cause women to be attacked by some diseases. Therefore, women must pay more attention to this stage of menopause and make some preparations in advance to improve immunity.

What is the manifestation of reduced immunity?

  1. Frequent colds

If the human body's immunity is reduced, as long as the weather changes slightly and the clothes are not added or removed in time, the symptoms of a cold may appear, and this symptom usually takes a long time to heal. And it will happen repeatedly, so you should keep cold medicine at home, so when you find that your body has such an abnormal condition, you have to consider whether it is caused by a weakened immune system.

  1. Easy to fatigue

People with low immunity usually have poor mental status. They tend to lose their energy at work, and feel very tired after working for a while. After going to the hospital for examination, there is no organic disease, as long as they rest for a period of time. , The spirit will be relieved, but after a few days, this fatigue and weakness will reappear. So if you feel that your mental state has deteriorated, it may also be caused by a decline in immunity.

  1. Weak intestines and stomach

Decreased immunity may also be reflected in gastrointestinal health. If everyone eats out together, no one else is abnormal, but they have symptoms of vomiting and diarrhea. This indicates that the self-protection function of the gastrointestinal system is abnormal. This is also the case. A manifestation of low immunity.

  1. The wound is susceptible to infection

If a family member or colleague has a cold, he is always easy to be infected, and the cold symptoms will be more obvious, this may be a problem with the resistance. On the other hand, if a certain part of the body is accidentally scratched and it is always red and swollen and pus is found, it will take a long time to get better, which also shows that the body's resistance is declining.

What should I do if a woman's immunity decreases after menopause? Suggestion: Do these 5 things well, or can help you

  1. Avoid being sedentary

If you want to stay healthy after 50 years old now, you must avoid being sedentary, because prolonged sitting will affect the speed of blood circulation and is not conducive to the metabolism of the body. Over time, it will make the body healthy. The basal metabolic rate continues to decrease, which will affect immunity to a certain extent.

  1. Exercise properly

At this stage of menopause, women will experience a series of uncomfortable symptoms, such as hot flashes and sweating, insomnia and dreaminess, and even their emotions will be greatly affected. If a woman is in a state of emotional instability for a long time, it will lead to exuberant anger, which will allow certain diseases to take advantage of it.

Therefore, women should do more exercises, such as dancing, yoga and other exercises, which can not only help women maintain their shape, but also relieve stress, but also increase the speed of metabolism, thereby helping to improve the body's resistance.

  1. Appropriate supplementation of estrogen

When the menopause comes, the estrogen in the female body will drop sharply. Under the influence of estrogen, the female body will have some abnormal conditions, and it will lead to the advent of aging. At this stage, women should eat some foods rich in estrogen, such as soybeans, peanuts, etc., which can not only slow down the decline of ovarian function, but also help improve the body's immunity.

  1. Properly bask in the sun

After women enter the menopause, a large amount of calcium in the body will be lost. If calcium cannot be supplemented at this time, bone health will be affected, which will cause some joint diseases or osteoporosis. In addition to supplementing calcium-rich foods, women must also properly bask in the sun, because they can help the absorption of calcium and improve the body’s immunity.

  1. Eat more fruits and vegetables

After entering the menopause, due to hormone problems in the body, the female body has symptoms of discomfort. At this time, a lot of nutrients need to be supplemented. These drugs can only be obtained from fresh vegetables and fruits, such as broccoli, strawberries, kiwi, etc., these vegetables Fruits are rich in vitamin C, dietary fiber and other nutrients, which can help improve human immunity.

Conclusion: In daily life, if you want to improve immunity, you must improve your eating habits reasonably, eat more foods containing high-quality protein and vitamins, maintain a balanced diet, avoid eating spicy foods, and take less food eat. In addition, you must maintain a regular schedule, do not stay up late, and maintain eight hours of sleep a day; you must also perform long-term exercise based on your physical condition to control your weight and improve your immunity.

In Oral Cancer Treatment, Peptides Highlight Their Biological Advantages

Many people have had the painful experience of oral ulcers. The squamous cell that is "causing trouble" in the oral cavity is a malignant tumor, which is the most malignant and most harmful tumor of the head and neck. The occurrence of cases accounts for about 50% of the head and neck squamous cell carcinoma. Oral squamous cell carcinoma can cause loss of oral function. When it develops further, it can also cause malodor or distant metastasis, and it can also cause local ulceration, affect the quality of life, and ultimately endanger the life of the patient.

In recent years, the incidence of oral squamous cell carcinoma (OSCC) is high. Surgery, chemotherapy and radiation therapy are currently commonly used treatment methods. At present, traditional surgical treatment accompanied by chemotherapy is the main treatment method. In addition to the risks of surgery, it often causes greater damage to the patient's salivary glands, leading to dry mouth, speech disorders, and eating disorders.

In response to this problem, a research team from Shanxi Medical University has developed a more bio-friendly treatment plan and released the research results under the title "Graphene oxide loaded with tumor-targeted peptide and anti-cancer drugs for cancer target therapy" In "Nature".

Oral squamous cell carcinoma is a high incidence area of ​​oral squamous cell carcinoma in recent years. Surgery, chemotherapy and radiotherapy are currently commonly used treatment methods. At present, traditional surgical treatment supplemented with chemotherapy is the main treatment method. Clinical chemotherapeutic drugs generally have a low cell uptake rate and have certain toxic and side effects on normal cells, which severely limits their clinical application. Nano drug delivery systems have attracted the attention of many researchers. Graphene oxide has several outstanding features in this respect, including large specific surface area, high drug loading rate, pH response and EPR effect. Therefore, they are suitable for integration into a series of delivery systems for cancer treatment.

The surface and edges of graphene oxide are rich in oxygen-containing functional groups, which is conducive to surface functionalization. In order to improve its stability and biocompatibility in aqueous solutions, polyethylene glycol (PEG) is often used for functional treatment. It is an excellent biological material that can be used in biomedical applications, especially for drug delivery, while reducing its non-specific absorption of biomolecules and cells.

In this study, researchers from Shanxi Medical University synthesized an NGO-PEG nanocarrier and tested its cytotoxic effects on CAL-27, SCC-25 and human normal oral keratinocytes (HOK). Based on previous research, antibodies, peptides, aptamers, etc. are often used as targets for surface modification of nano-scale graphene oxide. HN-1 peptide (TSPLNIHNGQKL) is a 12 amino acid peptide recently isolated from a phage display library. According to reports, this small peptide is specific to OSCC cells and can penetrate tumor tissues. Because DOX@NGO-PEG lacks tumor targeting activity and poor internalization of tumor cells, the efficacy of drug delivery is limited. For the first time, we introduced HN-1 into the drug delivery system. Our research shows that DOX@NGO-PEG-HN-1 has tumor-targeting and PH-responsive drug release properties.

In short, Shanxi Medical University has successfully produced a PH-sensitive cancer combined treatment system DOX@NGO-PEG-HN-1. To achieve DOX@NGO-PEG-HN-1 in tumor tissues, due to the hydrogen bond interaction between graphene oxide and DOX and the weakened π-π conjugation, DOX can be quickly released from the system. The experimental results of cytotoxicity prove that DOX@NGO-PEG-HN-1 can be simply absorbed by tumor cells and exhibit a synergistic effect. This drug-carrying system has great application potential in the treatment of tumors.

Is SABA or SAMA the First Choice for Acute Asthma Attacks?

answer
Saba is the first choice for acute attack of asthma, but not SAMA.
(Note: the following drugs refer to inhaled preparations)
analysis
β There are many kinds of 2-receptor agonists, which can be divided into short-term (maintenance time 4-6 h), long-term (maintenance time 10-12 h, suitable for bid) and super long-term (maintenance time 24 h, suitable for QD).
Long term effect β 2 receptor agonists (Laba) can also be divided into fast acting Laba (such as formoterol, indarterol, vilanterol and odaterol) and slow acting Laba (such as salmeterol).
Short acting anticholinergic drug (SAMA) is the most commonly used ipratropium bromide, lasting for 6-8 hours, while long acting anticholinergic drug (Lama) is more commonly used tiotropium bromide, lasting for 24 hours, so it is QD.
Short acting β 2 receptor agonist (Saba) can rapidly relieve bronchospasm, usually within a few minutes, and the curative effect can last for several hours. It is the first choice and the most effective drug to relieve the acute symptoms of asthma [1].
Saba salbutamol, the most commonly used, takes effect 3-5 minutes after inhalation and lasts for 4-6 hours; However, the pulmonary function was significantly improved 15 min after inhalation of ipratropium bromide (SAMA), and reached the peak 1-2 h later, with a maintenance time of 6-8 hours, so the onset of SAMA was slow.
So how slow does SAMA work? Finally, I found the answer
Basic guidelines for routine pulmonary function examination in 2018 [2]:
If Saba such as salbutamol was inhaled, the ventilation function test should be repeated 15-30 minutes after inhalation;
If the patients were treated with salbutamol (SAMA), the examination should be repeated 30-60 min after inhalation.
It also shows that the effect of SAMA is slow and weak.
How to use Saba and SAMA?
The overall treatment goal of acute asthma attack is to relieve symptoms, relieve bronchospasm, improve hypoxia, restore lung function, prevent further deterioration or recurrence, and prevent complications.
The bronchodilation effect of SAMA is relatively weak. In acute attack, it is not suitable to use it alone, but should be combined with Saba, and the bronchodilation effect is better. The management process of acute asthma attack can be seen in Figure 1.
Specific usage of Saba and SAMA:
Mild to moderate acute attack: 4-10 sprays in the first hour and 20 minutes can effectively reverse airflow limitation (A-level evidence) [3], then according to the treatment response, mild acute attack is adjusted to 2-4 sprays in the third to fourth hour, and moderate acute attack is adjusted to 6-10 sprays in the first to second hour. The response to the initial inhalation of Saba was good, dyspnea was significantly relieved, PEF accounted for more than 60% - 80% of the expected value, and the curative effect was maintained for 3-4 hours, so other drugs were usually not needed. Saba and SAMA aerosol solution can also be inhaled once every 4-6 hours.
Moderate to severe acute attack: self-treatment should be carried out according to the above plan, and the patients should go to the hospital as soon as possible. After arriving at the hospital, Saba is the first choice. In the initial stage, intermittent (every 20 minutes) or continuous atomization administration is recommended, followed by intermittent administration as needed (once every 4 hours). Saba combined with SAMA aerosol solution inhalation can be used for patients with moderate to severe asthma acute attack or poor effect after Saba treatment [1].
summary
The overall treatment goal of acute asthma attack is to relieve symptoms, relieve bronchospasm, improve hypoxia, restore lung function, prevent further deterioration or recurrence, and prevent complications;
Saba is the first choice for acute attack of asthma;
The bronchodilation effect of SAMA is weak and the onset is slow. Patients with poor effect after Saba treatment can be treated with Saba combined with SAMA aerosol solution inhalation.

New Anti-Inflammatory Drug: Phase 1b Study of Oral Tyk2 Inhibitor GLPG3667 for Psoriasis Treatment

Galapagos NV recently released the positive top line results of a phase 1b study of tyrosine kinase 2 (Tyk2) inhibitor glpg3667 in the treatment of psoriasis. Glpg3667 was discovered by Galapagos company and is a special selective Tyk2 compound. In a randomized, placebo-controlled, double-blind phase 1b study, 31 patients with moderate to severe plaque psoriasis were treated. In the study, patients were randomly assigned to oral glpg3667 (low or high dose) or placebo in a ratio of 1:1:1 for 4 weeks. The main purpose of this study was to evaluate the safety, tolerance and clinical activity of glpg3667 at week 4.
The results showed that glpg3667 was well tolerated in phase 1b trial. One patient in the low-dose group was interrupted for one day due to deterioration of psoriasis. Most of the treatment-related adverse events (AE) were mild and transient. There were no deaths or serious adverse events in the four week study.
At week 4, 4 of 10 patients in the glpg3667 high-dose group achieved pasi50 response (psoriasis area and severity index [PASI] improved by at least 50% from baseline), and 1 of 10 patients in the placebo group achieved pasi50 response. However, there was no pasi50 response in glpg3667 low-dose group. The PASI scores of four responding patients in the glpg3667 high-dose group were improved by 52%, 65%, 74% and 81% respectively compared with the baseline, while one responding patient in the placebo group was improved by 52% compared with the baseline. At week 4, compared with placebo, high-dose glpg3667 also observed positive response signals for other endpoints (including affected body surface area, overall evaluation by doctors and patients).
Dr Walid ABI Saab, chief medical officer of Galapagos, said: "we are satisfied with the efficacy and safety of glpg3667 in patients with psoriasis after 4 weeks of treatment. Based on these results, we plan to launch the psoriasis global phase 2B project next year as part of our project to develop our selective oral Tyk2 inhibitor glpg3667, which aims to assess gplg3667 for a wide range of inflammatory indications. "
Dr Diamant Thaci, Professor of medicine at the comprehensive inflammatory medicine center of Lubeck University in Germany, said: "the pasi50 response score and other efficacy data after 4 weeks of treatment, combined with the observed safety, are very helpful to promote the compound to a larger scale psoriasis trial. The psoriasis population still needs more treatment options, especially oral therapy. "
Jyseleca filgotinib chemical formula (photo source: Wikipedia)
Galapagos is committed to the discovery and development of small molecule drugs with new mechanisms of action, some of which have shown good efficacy. Currently, the company is working with Gilead sciences to develop an oral anti-inflammatory drug, jyseleca (filgotinib).
Filgotinib is a highly selective Jak1 inhibitor, which was discovered and developed by Galapagos. Gilead and Galapagos reached an agreement with a total amount of US $2 billion at the end of December 2015 to jointly develop and commercialize filgotinib around the world. Due to the major setback in US regulation, the two sides revised the commercial and development agreement of filgotinib in December 2020. Galapagos will be responsible for the commercialization of filgotinib in Europe (the transition period is expected to be completed by the end of 2021), while Gilead will continue to be responsible for the distribution of filgotinib outside Europe, including Japan (where Gilead co sells filgotinib with Sinoma).
Filgotinib is being developed to treat a variety of inflammatory diseases, including rheumatoid arthritis, Crohn's disease and ulcerative colitis.
Jyseleca has been approved for marketing in the European Union, the United Kingdom and Japan for the treatment of adult patients with moderate to severe rheumatoid arthritis (RA) who do not respond to or tolerate one or more disease modifying antirheumatic drugs (DMARD). In terms of medication, jyseleca can be used as monotherapy or in combination with methotrexate (MTX).
At present, jyseleca's application for new indications for the treatment of ulcerative colitis (UC) is also under the regulatory review of the European Union, the United Kingdom and Japan. The specific application is for the treatment of adult patients with moderate to severe active ulcerative colitis (UC) who lack response to conventional therapy or biological agents, lose response, or intolerance. It is worth noting that due to safety considerations, the US FDA has not approved any indications for jyseleca.

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