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734:, the German Federal Agency for Sera and Vaccines, reviewed Germany's regulatory requirements in the aftermath of the TGN1412 trial. They suggested that the predictive value of pre-clinical animal models required reevaluation, dose fixing needed refinement or redesign, and criteria for high-risk antibodies needed to be established. Additionally, they suggested that pre-Phase I studies were needed to calculate a dose with a pre-clinical "No effect" level, rather than a 830:," but that "this information was given to the men and submitted to the test regulators." TeGenero said this was transient and was evidence of the extra T cells that the drug produces. Experiments with another drug affecting the CD28 receptor (but to a lesser extent than TGN1412) had also shown side effects in human trials. There have been criticisms that the risks taken and the design of the protocol were insufficiently justified by proper 517:, including the constant (Fc) region. According to a report by TeGenero, the F(ab)2 is not able to generate the required stimulation. Unlike the related clone TGN1112, an IgG1, TGN1412 is of the subclass IgG4. This choice was made as TGN1112 showed antibody-dependent cellular cytotoxicity on CD28+ Jurkat cells. Thus the function of antibody binding via an Fcγ receptor seems to be a requirement for the immune regulation. However, cell 746:. Animals raised in a sterile lab would presumably have no 'memory' of previous illnesses, thus would not exhibit the severe reactions that occurred in the human subjects. However this is a misunderstanding of the research: the research says that lab animals studied have fewer memory T cells than humans, and that stimulation through the CD28 receptor alone in memory T cells causes them to infiltrate organs and also activates them. 433: 345: 1646: 451:(signal 2). Studies of monoclonal antibodies specific for mouse, rat, or human CD28 identified so-called "superagonistic" antibodies that could stimulate T cells without concurrent antigen-receptor stimulation (signal 1). Whether this activity represents a stronger activity or a different activity is uncertain. 696:
appeared in order, including dose measurement and administration, and no deficiencies were found that may have led to contamination or overdose. The MHRA felt that their actions did not contribute to the serious adverse events. German regulatory authorities inspected the production of the material by
563:, on 13 March 2006. Parexel is a company that carries out drug trials on behalf of pharmaceutical and biotechnology companies. Healthy volunteers were recruited to the study with a £2,000 fee. The trial resulted in hospitalization of all six volunteers administered the drug, at least four of whom had 405:
of 5.11A1 were cloned into the framework of human IgG and combined with IgG1 (TGN1112) or IgG4 (TGN1412) constant regions. According to the company's Investigator Brochure, "TGN1412 is a humanised monoclonal antibody directed against the human CD28 antigen. The molecule was genetically engineered by
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and who wished to remain anonymous said "You don't need to be a rocket scientist to work out what will happen if you non-specifically activate every T cell in the body." While the drug had appeared to be safe in animal models, researchers noted that there were reasons why these may not be indicative
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am, with an interval of around 10 minutes between patients, and each infusion lasting from 3 to 6 minutes. Roughly fifty minutes after the first participant received his dose, he complained of a headache, and soon afterwards fever and pain. He took his shirt off, complaining that he felt like he was
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Mice of the inbred strain BALB/c were immunized with recombinant human CD28-Fc fusion proteins and boosted with a B lymphoma cell line transfected to express human CD28. Hybridomas were obtained by fusing B cells with the hybridoma partner X63Ag8.653 and screened for reactivity with human CD28 and
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In December 2006, the final report of the Expert Group on Phase One Clinical Trials was published. It found that the trial had not considered what constituted a safe dose in humans, and that then-current law had not required it. It made 22 recommendations, including the need for independent expert
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The Medicines and Healthcare products Regulatory Agency (MHRA) issued an interim report on the TGN1412 trial on 5 April 2006, followed by a final report on 25 May 2006. It found no deficiencies in TeGenero's pre-clinical work and no evidence of undisclosed studies. Parexel's records and processes
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Two antibodies specific for human CD28 were identified. The more active of the two, TGN1112 (originally called 5.11A1), belonged to the IgG1 class of immunoglobulins. The other, TGN1412 (clone 9D7), belonged to the IgG4 class. The TCR-independent agonism of these antibodies involved binding to a
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TeGenero apologised to the families involved soon after the events, insisting that the effects were completely unexpected, and that all protocols were followed. In an initial review of pre-clinical data and the protocol, the MHRA stated there was nothing to cause concern, and that the trial was
541:, it caused catastrophic systemic organ failures in the subjects, despite being administered at a supposed sub-clinical dose of 0.1 mg per kg, some 500 times lower than the dose found safe in animals. Six volunteers were hospitalized on 13 March 2006. At least four of them had 412:] antibody (5.11A1, Luhder et al., 2003) into human heavy and light chain variable frameworks. Humanised variable regions were subsequently recombined with a human gene coding for the IgG4 gamma chain and with a human gene coding for a human kappa chain, respectively." 837:
Critics of animal testing have cited the case to argue that experiments on nonhuman animals, even in species closely related to humans, are not necessarily predictive of human responses, and cannot justify the harm inflicted on animals or the resultant risks to humans.
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Scientists in early 2007 put forth the theory that the drug acted in a different fashion in humans as compared with the laboratory animals in which the drug was first tried. The severe reactions in humans could have only occurred, they believe, in those with
715:, as Chair of the group. Until the expert group reported, all further clinical trial applications involving first-in-humans trials of any monoclonal antibody or other novel molecules targeting the immune system were not to be authorised in the UK. 675: 592:
12 hours after infusion, with the others following within the next 4 hours. A severely affected volunteer, Mohammed Abdalla, a 28-year-old, was described as having developed a ballooned head. This led to his description as being similar to the
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TGN1412 was created to perfectly fit inside the CD28 receptor of humans. Animal trials on mice were not necessarily predictive of human responses, as it would require a much greater dosage to get the same level of immunoactivity as in a human.
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found that all T cells that get activated using conventional TCR-mediated stimulation become regulatory for a brief time and express FOXP3. However, eventually most of these cells downregulate their regulatory capabilities and become
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research and modelling, published in 2008, suggested that the 0.1 mg starting dose would bind to 86 to 91% of all CD28 receptors in the body, resulting in a possible higher than expected effect even at very low starting doses.
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advice before a high-risk study was allowed, testing only one volunteer at a time (sequential inclusion of participants) in case there were rapid ill effects, and administering drugs slowly by infusion rather than as an injection.
475:, leading to a net effect of T-cell downregulation. On its website, the company wrote: "A pronounced T-cell activation and expansion mediated by CD28-SuperMAB in animal models is accompanied by the expression of anti-inflammatory 666:
a profound activation of T cells, without clinically visible side effects" and goes on to say "This antibody—in spite of its strong T cell-stimulatory properties—is very well tolerated in vivo, in contrast to all other known
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Liedert B, Bassus S, Schneider CK, Kalinke U, Löwer J (January 2007). "Safety of phase I clinical trials with monoclonal antibodies in Germany--the regulatory requirements viewed in the aftermath of the TGN1412 disaster".
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burning. Shortly after, the remaining participants who received the actual drug also became ill, vomiting and complaining of severe pain. The first patient was transferred to the Northwick Park Hospital's
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wrote that a near-maximum immuno-stimulatory dose had been given, because a safe starting dose in man had been calculated "based upon results from pre-clinical safety testing in a non-responsive species"
651:, where the men were treated, the patients continued to improve and "five of them went home within a month of the incident, while one patient remained in hospital until 26 June, when he also went home". 579:. All six of the trial subjects who received the drug were male, aged 19 to 34 (median 29.5); none had a notable medical history, and all were well in the 2 weeks before the trial. The drug was given by 1027: 1408: 707:
agreed to establish a group of leading international experts to consider those issues and to provide a report on the future authorization of such trials with an interim report at three months, with
658:. The company claims that these did not indicate any safety issues, and this was supported in subsequent MHRA reports. The US patent application states "it could be shown in a pilot study that an 2271: 1644:, Thomas Hanke & Chia-Huey Lin, "Use of a CD28 binding pharmaceutical substance for making a pharmaceutical composition with dose-dependent effect", published 2006-01-12 483:
of pro-inflammatory mediators induced by other agents that address the TCR complex.". As it turned out, the results of the first trial in humans indicate that this may not always be the case.
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specific part of the CD28 molecule called the C"D loop. It was initially hypothesized that an antibody with this property could be therapeutically useful in stimulating the immune system in
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are not predictive of the unusual pro-inflammatory response to TGN1412, and gave a false negative result. IL-2 release and lymphoproliferation are more helpful predictors of the response.
2581: 758: 105: 700:, looking at the manufacture, testing, storage and distribution of the TGN1412, but no deficiencies were identified which could have contributed to the serious adverse effects. 1136:"TeGenero AG receives EU-orphan drug designation for Humanized Agonistic Anti-CD28 Monoclonal Antibody TGN1412 for the treatment of B-cell Chronic Lymphocytic Leukaemia, B-CLL" 1312:"Expression of CD28 and CD86 by human eosinophils and role in the secretion of type 1 cytokines (interleukin 2 and interferon gamma): inhibition by immunoglobulin a complexes" 826:
of the response in humans, particularly with respect to this type of drug. The BBC reported that "two of 20 monkeys used in earlier tests suffered an increase in the size of
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T lymphocyte activation pathway is triggered when a T cell encounters its cognate antigen, coupled to an MHC molecule, on the surface of an infected cell or a phagocyte.
331:. TeGenero announced the first elucidation of the molecular structure of CD28 almost exactly one year prior to commencement of the TGN1412 phase I clinical trial. 683:
correctly authorised. Participants who were harmed in the drug trial received some additional financial compensation later, which one participant used to hire a
1053:"Safety, Tolerability, Pharmacodynamics and Efficacy Study of TAB08 in Patients With Rheumatoid Arthritis in Which Methotrexate (MTX) Treatment is Not Effective" 398:
TCR-independent mitogenic activity. Two monoclonals called 5.11A1 and 9D7 were identified. The more active of the two, 5.11A1, is a mouse IgG1 immunoglobulin.
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transfer of the complementarity determining regions (CDRs) from heavy and light chain variable region sequences of a monoclonal mouse anti-humanC28 [
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The MHRA concluded that the most likely cause of the reaction in trial subjects was an unpredicted biological action of the drug in humans. The UK
274:. The drug was renamed TAB08. Phase I and II clinical trials have been completed for arthritis and clinical trials have been initiated for cancer. 3634: 2245: 1594: 785:, the species of primate used for pre-clinical safety testing of TGN1412, lack CD28 expression. Since CD28 is the target of the TGN1412 antibody, 308:. CD28 is the co-receptor for the T cell receptor; It binds to receptors on the interacting partner in the reaction through one of its ligands ( 2567: 2384: 1108:
Lin CH, Kerkau T, Guntermann C, Trischler M, Beyersdorf N, Scheuring Y, Tony HP, Kneitz C, Wilhelm M, Mueller P, Huenig T (16 November 2004).
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Critics argued that the company should have anticipated that the drug would provoke a severe reaction in humans. An immunologist contacted by
3590: 1135: 648: 1580: 1159: 1184: 1109: 564: 542: 402: 1836: 1110:"Superagonistic Anti-CD28 Antibody TGN1412 as a Potential Immunotherapeutic for the Treatment of B Cell Chronic Lymphocytic Leukemia" 3644: 2327: 933: 384: 996: 1428:"CD4 depletion in HIV-infected haemophilia patients is associated with rapid clearance of immune complex-coated CD4+ lymphocytes" 735: 1936: 2089:"Monoclonal antibody TGN1412 trial failure explained by species differences in CD28 expression on CD4+ effector memory T-cells" 126: 3639: 3562: 366: 510:
experiments are limited to the use of purified peripheral blood mononuclear cells (PBMN's) that do not contain those cells.
704: 362: 246:. It was withdrawn from development after inducing severe inflammatory reactions as well as chronic organ failure in the 3572: 281: 183: 3607: 1852:"Transvaginal injection of potassium chloride and methotrexate for the treatment of tubal pregnancy with a live fetus" 549: 247: 1528:"Media Advisory: PAREXEL International Statement Regarding TeGenero AG Phase I Trial at Northwick Park Hospital, UK" 768:). It reported that the European guidelines for first-in-man phase-I clinical trials of biologics had been revised. 2545: 568: 416: 270:(CEO) Benedikte Hatz went bankrupt later that year. The commercial rights were then acquired by a Russian startup, 355: 3156: 862: 808: 772: 601: 480: 320: 243: 654:
TGN1412 had not previously been given to humans, however the trial was preceded by animal testing, including in
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Suntharalingam G, Perry MR, Ward S, Brett SJ, Castello-Cortes A, Brunner MD, Panoskaltsis N (September 2006).
644:, involved in immune responses) had vanished almost completely several hours after administration of TGN1412. 2185:
Weißmüller S, Kronhart S, Kreuz D, Schnierle B, Kalinke U, Kirberg J, Hanschmann KM, Waibler Z (March 2016).
499:. Thus, attempts to induce FOXP3+ T cells might also induce effector cells capable of causing tissue damage. 3649: 3595: 1661: 867: 267: 91: 1963: 1641: 1086: 1214:"Topological requirements and signaling properties of T cell-activating, anti-CD28 antibody superagonists" 776: 731: 503: 1531: 2668: 2590: 811:, destruction of white blood cells, and other negative effects observed during the initial human trial. 2011:
Waibler Z, Sender LY, Kamp C, Müller-Berghaus J, Liedert B, Schneider CK, et al. (November 2008).
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data from animal studies later suggested that administration would lead to preferential activation of
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Stebbings R, Poole S, Thorpe R (December 2009). "Safety of biologics, lessons learnt from TGN1412".
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were conducted by Parexel at an independent clinical trials unit in leased space on the premises of
1121: 951:"The rise and fall of the CD 28 superagonist TGN 1412 and its return as TAB 08: a personal account" 781: 764: 589: 576: 147: 57: 40: 1142: 3057: 3016: 2856: 2648: 2492: 1993: 1390: 617: 289: 259: 1195: 2948: 2618: 2559: 2485:"When a Drug Trial Goes Wrong: Emergency at the Hospital (Medical Documentary) - Real Stories" 2441: 2226: 2167: 2118: 2069: 2034: 1985: 1917: 1881: 1794: 1509: 1457: 1382: 1341: 1292: 1243: 978: 970: 950: 929: 872: 633: 472: 456: 271: 2537: 2358: 1741: 1714: 632:
to attempt to remove TGN1412 from their circulation. Paradoxically, some kinds of the men's
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Lühder F, Huang Y, Dennehy KM, Guntermann C, Müller I, Winkler E, et al. (April 2003).
962: 887: 684: 597:". A volunteer also lost his fingers and toes as a result of being injected with the drug. 156: 2554: 1160:"Boehringer Ingelheim and TeGenero sign agreement to develop and manufacture CD28-SuperMAB" 1028:"Exclusive: Drug that caused 'elephant man' side effect makes comeback after 2006 disaster" 192: 3356: 3132: 2549: 804: 613: 444: 232: 2335: 2301: 2202: 1595:"Latest condition of patients following drug trial at independent PAREXEL research unit" 1553: 1052: 1004: 3601: 2436: 2411: 2221: 2186: 2162: 2137: 2113: 2088: 2087:
Eastwood D, Findlay L, Poole S, Bird C, Wadhwa M, Moore M, et al. (October 2010).
1876: 1851: 1789: 1764: 1597:(Press release). The North West London Hospitals NHS Trust. 5 July 2006. Archived from 1452: 1427: 1426:
Daniel V, Melk A, Süsal C, Weimer R, Zimmermann R, Huth-Kühne A, Opelz G (March 1999).
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Duff GW, et al. (Expert Group on Phase One Clinical Trials) (7 December 2006).
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Woerly G, Lacy P, Younes AB, Roger N, Loiseau S, Moqbel R, Capron M (October 2002).
1185:"Investigator's Brochure. TGN1412 Humanized Agonistic Anti-CD28 Monoclonal Antibody" 807:
evaluated TGN1412's effects on the immune system, and confirmed that it could cause
3501: 3486: 3466: 3456: 3435: 3351: 3292: 3277: 3247: 3227: 3222: 3197: 3177: 3172: 3167: 3117: 3107: 3097: 3047: 3042: 3037: 2966: 2851: 2835: 2738: 2728: 2723: 2698: 2638: 2187:"TGN1412 Induces Lymphopenia and Human Cytokine Release in a Humanized Mouse Model" 1997: 921: 522: 518: 486:
A new explanation for the trial mishap was suggested by the findings of a paper in
575:, and six receiving 1/500th of the highest dose used in previous experiments with 513:
To function as an agonist, it has been suggested that TGN1412 needs to be a whole
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Mirenda V, Jarmin SJ, David R, Dyson J, Scott D, Gu Y, et al. (April 2007).
1361:"Human eosinophils express and release IL-13 following CD28-dependent activation" 3567: 3557: 3496: 3481: 3471: 3461: 3440: 3425: 3410: 3405: 3400: 3375: 3328: 3307: 3302: 3297: 3287: 3282: 3267: 3242: 3232: 3212: 3192: 3187: 3152: 3147: 3137: 3127: 3122: 3092: 3082: 3052: 3006: 3001: 2991: 2976: 2961: 2933: 2918: 2903: 2898: 2893: 2861: 2804: 2799: 2789: 2769: 2748: 2743: 2713: 2633: 2527: 2522: 1867: 1488:"Cytokine storm in a phase 1 trial of the anti-CD28 monoclonal antibody TGN1412" 877: 708: 496: 432: 344: 316: 98: 2029: 2012: 1780: 1278: 1263:"Transient regulatory T-cells: a state attained by all activated human T-cells" 262:
of the University of Würzburg around immunologist Thomas Hünig, co-founder and
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in London in March 2006. The developing company, TeGenero Immuno Therapeutics (
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Woerly G, Roger N, Loiseau S, Dombrowicz D, Capron A, Capron M (August 1999).
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Nature news: Animal tests may have missed danger because monkeys 'too clean'
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Medicines and Healthcare Products Regulatory Agency (MHRA) (25 May 2006).
1327: 2840: 2763: 2673: 2643: 2013:"Toward experimental assessment of receptor occupancy: TGN1412 revisited" 1814:"Investigations Into Adverse Incidents During Clinical Trials of TGN1412" 1504: 1487: 1409:"Investigations into adverse incidents during clinical trials of TGN1412" 1377: 1360: 1229: 750: 659: 641: 514: 476: 461: 255: 2542: 3317: 3202: 966: 793: 663: 655: 572: 467: 369: in this section. Unsourced material may be challenged and removed. 324: 293: 251: 74: 17: 1194:. Citizens For Responsible Care and Research (CIRCARE). Archived from 662:
administration of anti-human CD28-SuperMAB induces in a rhesus monkey
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Working Party on Statistical Issues in First-in-Man Studies (2007).
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The human clinical trial of TGN1412 was the subject of the 2017 BBC
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In 2013, it was described that standard pro-inflammatory markers
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and the recombinant antibody harvested from culture supernatant.
2246:"Catastrophic immune response may have caused drug trial horror" 1765:"Germany may change drug testing rules after debacle in England" 609: 297: 79: 2563: 2138:"After TGN1412: recent developments in cytokine release assays" 1902:
International Journal of Clinical Pharmacology and Therapeutics
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The trial has become subject of several academic publications.
506:. They can release IFN-γ, IL-2, IL-4, and IL-13. However, most 775:
in humans was explained. In vitro data revealed that the CD4+
526: 408: 338: 1707:"Press release: Latest findings on clinical trial suspension" 2543:
crisis communications case study of Tegenero clinical trial
1165:(Press release). TeGenero. 17 November 2003. Archived from 1261:
Pillai V, Ortega SB, Wang CK, Karandikar NJ (April 2007).
2328:"Update to frequently asked questions regarding TGN1412" 1141:(Press release). TeGenero. 13 March 2005. Archived from 600:
All of the men were reported to have experienced severe
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Expert Group on Phase One Clinical Trials: Final report
1530:(Press release). PAREXEL. 13 March 2006. Archived from 759:
National Institute for Biological Standards and Control
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effector T-cells could not be stimulated by the drug.
2460:"BBC Two - The Drug Trial: Emergency at the Hospital" 2412:"The flaws and human harms of animal experimentation" 502:
Other cells activated by CD28 ligation in humans are
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Aboulghar MA, Mansour RT, Serour GI (October 1990).
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in March 2005, was developed by TeGenero, tested by
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not approved by any regulatory agency, highly toxic
125: 120: 104: 90: 85: 73: 56: 46: 39: 928:. London: Fourth Estate. pp. 8–10, 104–105. 647:According to a press release on 5 July 2006 from 1835:(Report). The Stationery Office. Archived from 1610: 1608: 155: 2359:"Tragic drug trial spotlights potent molecule" 2017:The Journal of Allergy and Clinical Immunology 2575: 571:, with two of the eight subjects receiving a 525:of the labeled cells, as seen in the case of 8: 2385:"Statistical issues in first-in-man studies" 2272:"Antibody 'puts immune system in overdrive'" 1581:"Would you accept £3,750 to trial one drug?" 567:. The trial was a double-blind, randomized, 415:The recombinant genes were transfected into 32: 2523:BBC News: Drug trial man 'may lose fingers' 2244:Bhattacharya S, Coghlan A (17 March 2006). 3547: 3380: 2607: 2582: 2568: 2560: 1937:"Study claims to solve drug trial mystery" 2533:Channel 4: The Drug Trial That Went Wrong 2528:BBC News: Regulators slam drug trial firm 2435: 2220: 2210: 2161: 2112: 2028: 1979: 1875: 1788: 1681:"'I nearly died in a medical drug trial'" 1503: 1451: 1376: 1335: 1286: 1237: 850:The Drug Trial: Emergency at the Hospital 771:In 2010, the failure to predict a severe 443:normally requires both engagement of the 385:Learn how and when to remove this message 277:Originally intended for the treatment of 191: 2555:Further lessons from the TGN1412 tragedy 2416:Cambridge Quarterly of Healthcare Ethics 2389:Journal of the Royal Statistical Society 479:, like IL-10, rather than by the severe 292:that not only binds to, but is a strong 1481: 1479: 1477: 1475: 1473: 1471: 910: 1662:"Drug trial leaves men critically ill" 557:Northwick Park and St. Mark's Hospital 31: 2495:from the original on 22 December 2021 711:, Professor of Molecular Medicine at 687:so he could regain physical fitness. 649:North West London Hospitals NHS Trust 315:The drug, which was designated as an 7: 1615:Urquhart L, Jack A (16 March 2006). 1432:Clinical and Experimental Immunology 1316:The Journal of Experimental Medicine 1218:The Journal of Experimental Medicine 1114:Blood (ASH Annual Meeting Abstracts) 916: 914: 367:adding citations to reliable sources 2302:"Trial drug affected animal glands" 1492:The New England Journal of Medicine 1120:(11): Abstract 2519. Archived from 403:complementarity-determining regions 3655:Experimental monoclonal antibodies 25: 1554:"Drugs trial men 'are improving'" 624:. The patients were treated with 2105:10.1111/j.1476-5381.2010.00922.x 2054:Current Opinion in Biotechnology 1679:Caffrey, Jason (19 March 2016). 1444:10.1046/j.1365-2249.1999.00848.x 1183:TeGenero AG (19 December 2005). 803:In 2016, a study carried out on 736:No-observed-adverse-effect level 730:In 2007, immunologists from the 343: 2334:. 19 March 2006. Archived from 2093:British Journal of Pharmacology 1713:(Press release). Archived from 354:needs additional citations for 3635:Drugs not assigned an ATC code 521:by antibody leads normally to 1: 1738:"Clinical trial final report" 1081:TeGenero (20 February 2006). 1026:Hirschler B (24 March 2015). 949:Hünig, Thomas (18 May 2016). 705:Secretary of State for Health 616:, akin to the effects of the 290:humanised monoclonal antibody 2212:10.1371/journal.pone.0149093 2154:10.3109/1547691X.2012.711783 2066:10.1016/j.copbio.2009.10.002 1981:10.1182/blood-2006-10-050724 1579:Palmer K (15 October 2014). 1365:Journal of Leukocyte Biology 628:to reduce inflammation, and 282:chronic lymphocytic leukemia 2518:Report in Nature on TGN1412 2357:Pearson H (17 March 2006). 2142:Journal of Immunotoxicology 1935:Fleming N (12 April 2008). 1868:10.1136/bmj.39062.336157.DB 417:Chinese hamster ovary cells 3676: 2030:10.1016/j.jaci.2008.07.049 1781:10.1136/bmj.332.7544.746-c 1660:Weaver M (15 March 2006). 1279:10.1016/j.clim.2006.10.014 1085:. TeGenero. Archived from 565:multiple organ dysfunction 543:multiple organ dysfunction 3585: 2428:10.1017/S0963180115000079 2410:Akhtar A (October 2015). 2395:: 517–579. Archived from 863:Adverse effect (medicine) 809:cytokine release syndrome 773:cytokine release syndrome 602:cytokine release syndrome 481:cytokine release syndrome 321:European Medicines Agency 202: 3645:Clinical trial disasters 2278:. London. Archived from 2270:Hall C (17 March 2006). 893:Pre-clinical development 671:activating substances." 622:severe allergic reaction 569:placebo-controlled study 264:chief scientific officer 868:Clinical trial protocol 777:effector memory T-cells 678:Structure of human CD28 504:eosinophil granulocytes 268:chief executive officer 266:(CSO) Thomas Hanke and 1763:Tuffs A (April 2006). 1740:. MHRA. Archived from 1411:. MHRA. Archived from 732:Paul Ehrlich Institute 723:Follow up publications 679: 437: 317:orphan medical product 244:University of Würzburg 3640:Monoclonal antibodies 2669:Camidanlumab tesirine 2591:Monoclonal antibodies 1812:MHRA (5 April 2006). 1705:MHRA (5 April 2006). 1328:10.1084/jem.190.4.487 677: 441:Activation of T cells 435: 3344:Chimeric + humanized 2873:Nivolumab/relatlimab 2548:9 March 2009 at the 1601:on 7 September 2012. 1505:10.1056/NEJMoa063842 1378:10.1189/jlb.72.4.769 1230:10.1084/jem.20021024 1001:The Org (theorg.com) 832:statistical evidence 744:memory T lymphocytes 713:Sheffield University 698:Boehringer Ingelheim 581:intravenous infusion 363:improve this article 329:Boehringer Ingelheim 327:and manufactured by 286:rheumatoid arthritis 248:first-in-human study 2276:The Daily Telegraph 2203:2016PLoSO..1149093W 1941:The Daily Telegraph 1267:Clinical Immunology 782:Macaca fascicularis 765:Macaca fascicularis 590:intensive care unit 577:cynomolgus macaques 537:In its first human 488:Clinical Immunology 459:patients. However, 428:Mechanism of action 41:Monoclonal antibody 36: 27:Monoclonal antibody 3612:Never to phase III 3058:Certolizumab pegol 3025:Immunosuppressive: 2399:on 5 January 2012. 1856:Human Reproduction 1839:on 7 January 2013. 1744:on 6 December 2014 1717:on 5 December 2014 1415:on 21 August 2007. 1083:"Drug Development" 1057:ClinicalTrials.gov 967:10.1111/febs.13754 680: 656:non-human primates 618:complement cascade 473:regulatory T cells 438: 235:drug developed by 3622: 3621: 3581: 3580: 3536: 3535: 3370: 3369: 3325:Immune activation 2817:Immune activation 2619:Immunosuppression 1498:(10): 1018–1028. 1172:on 18 March 2006. 1148:on 19 March 2006. 1124:on 14 April 2013. 1007:on 25 August 2024 961:(18): 3325–3334. 873:Pharmacovigilance 634:white blood cells 395: 394: 387: 214: 213: 16:(Redirected from 3667: 3548: 3381: 2939:Zolimomab aritox 2929:Telimomab aritox 2608: 2584: 2577: 2570: 2561: 2505: 2504: 2502: 2500: 2481: 2475: 2474: 2472: 2470: 2456: 2450: 2449: 2439: 2407: 2401: 2400: 2380: 2374: 2373: 2371: 2369: 2354: 2348: 2347: 2345: 2343: 2324: 2318: 2317: 2315: 2313: 2298: 2292: 2291: 2289: 2287: 2267: 2261: 2260: 2258: 2256: 2241: 2235: 2234: 2224: 2214: 2182: 2176: 2175: 2165: 2133: 2127: 2126: 2116: 2084: 2078: 2077: 2049: 2043: 2042: 2032: 2008: 2002: 2001: 1983: 1959: 1953: 1952: 1950: 1948: 1932: 1926: 1925: 1914:10.5414/CPP45001 1896: 1890: 1889: 1879: 1847: 1841: 1840: 1828: 1822: 1821: 1816:. Archived from 1809: 1803: 1802: 1792: 1760: 1754: 1753: 1751: 1749: 1733: 1727: 1726: 1724: 1722: 1702: 1696: 1695: 1693: 1691: 1676: 1670: 1669: 1657: 1651: 1650: 1649: 1645: 1638: 1632: 1631: 1629: 1627: 1612: 1603: 1602: 1591: 1585: 1584: 1576: 1570: 1569: 1567: 1565: 1550: 1544: 1543: 1541: 1539: 1524: 1518: 1517: 1507: 1483: 1466: 1465: 1455: 1423: 1417: 1416: 1405: 1399: 1398: 1380: 1356: 1350: 1349: 1339: 1307: 1301: 1300: 1290: 1258: 1252: 1251: 1241: 1209: 1203: 1202: 1201:on 29 June 2006. 1200: 1189: 1180: 1174: 1173: 1171: 1164: 1156: 1150: 1149: 1147: 1140: 1132: 1126: 1125: 1105: 1099: 1098: 1096: 1094: 1089:on 12 April 2006 1078: 1069: 1068: 1066: 1064: 1049: 1043: 1042: 1040: 1038: 1023: 1017: 1016: 1014: 1012: 1003:. Archived from 993: 987: 986: 955:The FEBS Journal 946: 940: 939: 918: 888:Drug development 757:In 2009, the UK 685:personal trainer 614:mucous membranes 586: 457:immunosuppressed 445:antigen receptor 390: 383: 379: 376: 370: 347: 339: 300:receptor of the 233:immunomodulatory 210: 209: 195: 159: 37: 35: 21: 3675: 3674: 3670: 3669: 3668: 3666: 3665: 3664: 3660:Abandoned drugs 3625: 3624: 3623: 3618: 3617: 3602:Clinical trials 3577: 3532: 3516: 3445: 3366: 3357:Rozanolixizumab 3345: 3339: 3331: 3320: 3133:Lulizumab pegol 3011: 2943: 2877: 2597: 2588: 2550:Wayback Machine 2514: 2509: 2508: 2498: 2496: 2483: 2482: 2478: 2468: 2466: 2458: 2457: 2453: 2409: 2408: 2404: 2382: 2381: 2377: 2367: 2365: 2356: 2355: 2351: 2341: 2339: 2326: 2325: 2321: 2311: 2309: 2308:. 20 March 2006 2300: 2299: 2295: 2285: 2283: 2269: 2268: 2264: 2254: 2252: 2243: 2242: 2238: 2197:(3): e0149093. 2184: 2183: 2179: 2135: 2134: 2130: 2086: 2085: 2081: 2051: 2050: 2046: 2010: 2009: 2005: 1961: 1960: 1956: 1946: 1944: 1934: 1933: 1929: 1898: 1897: 1893: 1849: 1848: 1844: 1830: 1829: 1825: 1811: 1810: 1806: 1762: 1761: 1757: 1747: 1745: 1735: 1734: 1730: 1720: 1718: 1704: 1703: 1699: 1689: 1687: 1678: 1677: 1673: 1659: 1658: 1654: 1647: 1642:US 2006009382A1 1640: 1639: 1635: 1625: 1623: 1621:Financial Times 1614: 1613: 1606: 1593: 1592: 1588: 1578: 1577: 1573: 1563: 1561: 1560:. 18 March 2006 1552: 1551: 1547: 1537: 1535: 1526: 1525: 1521: 1485: 1484: 1469: 1425: 1424: 1420: 1407: 1406: 1402: 1358: 1357: 1353: 1309: 1308: 1304: 1260: 1259: 1255: 1211: 1210: 1206: 1198: 1187: 1182: 1181: 1177: 1169: 1162: 1158: 1157: 1153: 1145: 1138: 1134: 1133: 1129: 1107: 1106: 1102: 1092: 1090: 1080: 1079: 1072: 1062: 1060: 1051: 1050: 1046: 1036: 1034: 1025: 1024: 1020: 1010: 1008: 995: 994: 990: 948: 947: 943: 936: 920: 919: 912: 907: 902: 858: 817: 787:M. fascicularis 725: 693: 630:plasma-exchange 626:corticosteroids 584: 583:, starting at 8 553:clinical trials 539:clinical trials 535: 447:(signal 1) and 430: 425: 391: 380: 374: 371: 360: 348: 337: 288:, TGN1412 is a 219:(also known as 205: 203: 198: 178: 162: 137: 116: 93: 28: 23: 22: 15: 12: 11: 5: 3673: 3671: 3663: 3662: 3657: 3652: 3650:2006 in London 3647: 3642: 3637: 3627: 3626: 3620: 3619: 3616: 3615: 3614: 3613: 3610: 3599: 3593: 3587: 3586: 3583: 3582: 3579: 3578: 3576: 3575: 3570: 3565: 3560: 3554: 3552: 3545: 3538: 3537: 3534: 3533: 3531: 3530: 3524: 3522: 3518: 3517: 3515: 3514: 3509: 3504: 3499: 3494: 3489: 3484: 3479: 3474: 3469: 3464: 3459: 3453: 3451: 3447: 3446: 3444: 3443: 3438: 3433: 3428: 3423: 3418: 3413: 3408: 3403: 3398: 3393: 3387: 3385: 3378: 3372: 3371: 3368: 3367: 3365: 3364: 3359: 3354: 3348: 3346: 3341: 3340: 3322: 3321: 3315: 3310: 3305: 3300: 3295: 3290: 3285: 3280: 3275: 3270: 3265: 3260: 3255: 3250: 3245: 3240: 3235: 3230: 3225: 3220: 3215: 3210: 3205: 3200: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3160: 3157:+hyaluronidase 3150: 3145: 3140: 3135: 3130: 3125: 3120: 3115: 3110: 3105: 3100: 3095: 3090: 3085: 3080: 3075: 3070: 3065: 3060: 3055: 3050: 3045: 3040: 3035: 3030: 3021: 3019: 3013: 3012: 3010: 3009: 3004: 2999: 2994: 2989: 2984: 2979: 2974: 2969: 2964: 2959: 2953: 2951: 2945: 2944: 2942: 2941: 2936: 2931: 2926: 2921: 2916: 2911: 2906: 2901: 2896: 2891: 2885: 2883: 2879: 2878: 2876: 2875: 2865: 2864: 2859: 2854: 2844: 2843: 2838: 2833: 2828: 2823: 2813: 2812: 2807: 2802: 2797: 2792: 2787: 2782: 2777: 2772: 2767: 2761: 2756: 2751: 2746: 2741: 2736: 2731: 2726: 2721: 2716: 2711: 2706: 2701: 2696: 2691: 2686: 2681: 2676: 2671: 2666: 2661: 2656: 2651: 2646: 2641: 2636: 2631: 2626: 2614: 2612: 2605: 2599: 2598: 2589: 2587: 2586: 2579: 2572: 2564: 2558: 2557: 2552: 2540: 2535: 2530: 2525: 2520: 2513: 2512:External links 2510: 2507: 2506: 2476: 2451: 2402: 2375: 2349: 2338:on 21 May 2006 2319: 2293: 2282:on 18 May 2007 2262: 2236: 2177: 2128: 2079: 2044: 2003: 1974:(7): 2968–77. 1954: 1927: 1891: 1842: 1823: 1820:on 5 May 2011. 1804: 1755: 1728: 1697: 1671: 1652: 1633: 1604: 1586: 1571: 1545: 1534:on 13 May 2006 1519: 1467: 1418: 1400: 1351: 1302: 1253: 1204: 1175: 1151: 1127: 1100: 1070: 1044: 1018: 997:"Thomas Hanke" 988: 941: 934: 909: 908: 906: 903: 901: 900: 898:EudraVigilance 895: 890: 885: 883:Co-stimulation 880: 875: 870: 865: 859: 857: 854: 816: 813: 805:humanized mice 724: 721: 692: 691:Investigations 689: 608:, swelling of 534: 531: 497:effector cells 449:co-stimulation 429: 426: 424: 421: 393: 392: 351: 349: 342: 336: 333: 212: 211: 200: 199: 197: 196: 188: 186: 180: 179: 177: 176: 172: 170: 164: 163: 161: 160: 152: 150: 144: 143: 139: 138: 136: 135: 131: 129: 123: 122: 118: 117: 115: 114: 110: 108: 102: 101: 96: 94:administration 88: 87: 83: 82: 77: 71: 70: 60: 54: 53: 52:Whole antibody 50: 44: 43: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3672: 3661: 3658: 3656: 3653: 3651: 3648: 3646: 3643: 3641: 3638: 3636: 3633: 3632: 3630: 3611: 3609: 3606: 3605: 3603: 3600: 3597: 3594: 3592: 3589: 3588: 3584: 3574: 3571: 3569: 3566: 3564: 3561: 3559: 3556: 3555: 3553: 3549: 3546: 3544: 3541:Inflammatory 3539: 3529: 3526: 3525: 3523: 3519: 3513: 3512:Tildrakizumab 3510: 3508: 3505: 3503: 3500: 3498: 3495: 3493: 3490: 3488: 3485: 3483: 3480: 3478: 3475: 3473: 3470: 3468: 3465: 3463: 3460: 3458: 3455: 3454: 3452: 3448: 3442: 3439: 3437: 3434: 3432: 3429: 3427: 3424: 3422: 3419: 3417: 3414: 3412: 3409: 3407: 3404: 3402: 3399: 3397: 3394: 3392: 3389: 3388: 3386: 3382: 3379: 3377: 3373: 3363: 3360: 3358: 3355: 3353: 3350: 3349: 3347: 3342: 3338: 3337: 3334: 3330: 3326: 3319: 3316: 3314: 3313:Vobarilizumab 3311: 3309: 3306: 3304: 3301: 3299: 3296: 3294: 3291: 3289: 3286: 3284: 3281: 3279: 3276: 3274: 3271: 3269: 3266: 3264: 3261: 3259: 3258:Spartalizumab 3256: 3254: 3251: 3249: 3246: 3244: 3241: 3239: 3236: 3234: 3231: 3229: 3226: 3224: 3221: 3219: 3216: 3214: 3211: 3209: 3206: 3204: 3201: 3199: 3196: 3194: 3191: 3189: 3186: 3184: 3183:Pembrolizumab 3181: 3179: 3176: 3174: 3171: 3169: 3166: 3164: 3161: 3158: 3154: 3151: 3149: 3146: 3144: 3143:Mogamulizumab 3141: 3139: 3136: 3134: 3131: 3129: 3126: 3124: 3121: 3119: 3116: 3114: 3111: 3109: 3106: 3104: 3101: 3099: 3096: 3094: 3091: 3089: 3086: 3084: 3081: 3079: 3076: 3074: 3071: 3069: 3066: 3064: 3063:Crizanlizumab 3061: 3059: 3056: 3054: 3051: 3049: 3046: 3044: 3041: 3039: 3036: 3034: 3031: 3029: 3026: 3023: 3022: 3020: 3018: 3014: 3008: 3005: 3003: 3000: 2998: 2995: 2993: 2990: 2988: 2985: 2983: 2980: 2978: 2975: 2973: 2970: 2968: 2965: 2963: 2960: 2958: 2957:Andecaliximab 2955: 2954: 2952: 2950: 2946: 2940: 2937: 2935: 2932: 2930: 2927: 2925: 2922: 2920: 2917: 2915: 2912: 2910: 2907: 2905: 2902: 2900: 2897: 2895: 2892: 2890: 2887: 2886: 2884: 2880: 2874: 2870: 2867: 2866: 2863: 2860: 2858: 2855: 2853: 2849: 2846: 2845: 2842: 2839: 2837: 2834: 2832: 2829: 2827: 2824: 2822: 2818: 2815: 2814: 2811: 2808: 2806: 2803: 2801: 2798: 2796: 2793: 2791: 2788: 2786: 2783: 2781: 2778: 2776: 2773: 2771: 2768: 2765: 2762: 2760: 2757: 2755: 2752: 2750: 2747: 2745: 2742: 2740: 2737: 2735: 2732: 2730: 2727: 2725: 2722: 2720: 2717: 2715: 2712: 2710: 2707: 2705: 2702: 2700: 2697: 2695: 2692: 2690: 2687: 2685: 2682: 2680: 2677: 2675: 2672: 2670: 2667: 2665: 2662: 2660: 2657: 2655: 2652: 2650: 2647: 2645: 2642: 2640: 2637: 2635: 2632: 2630: 2627: 2625: 2621: 2620: 2616: 2615: 2613: 2609: 2606: 2604: 2603:Immune system 2600: 2596: 2595:immune system 2592: 2585: 2580: 2578: 2573: 2571: 2566: 2565: 2562: 2556: 2553: 2551: 2547: 2544: 2541: 2539: 2536: 2534: 2531: 2529: 2526: 2524: 2521: 2519: 2516: 2515: 2511: 2494: 2490: 2486: 2480: 2477: 2465: 2461: 2455: 2452: 2447: 2443: 2438: 2433: 2429: 2425: 2422:(4): 407–19. 2421: 2417: 2413: 2406: 2403: 2398: 2394: 2390: 2386: 2379: 2376: 2364: 2360: 2353: 2350: 2337: 2333: 2329: 2323: 2320: 2307: 2303: 2297: 2294: 2281: 2277: 2273: 2266: 2263: 2251: 2250:New Scientist 2247: 2240: 2237: 2232: 2228: 2223: 2218: 2213: 2208: 2204: 2200: 2196: 2192: 2188: 2181: 2178: 2173: 2169: 2164: 2159: 2155: 2151: 2147: 2143: 2139: 2132: 2129: 2124: 2120: 2115: 2110: 2106: 2102: 2099:(3): 512–26. 2098: 2094: 2090: 2083: 2080: 2075: 2071: 2067: 2063: 2059: 2055: 2048: 2045: 2040: 2036: 2031: 2026: 2022: 2018: 2014: 2007: 2004: 1999: 1995: 1991: 1987: 1982: 1977: 1973: 1969: 1965: 1958: 1955: 1942: 1938: 1931: 1928: 1923: 1919: 1915: 1911: 1907: 1903: 1895: 1892: 1887: 1883: 1878: 1873: 1869: 1865: 1861: 1857: 1853: 1846: 1843: 1838: 1834: 1827: 1824: 1819: 1815: 1808: 1805: 1800: 1796: 1791: 1786: 1782: 1778: 1775:(7544): 746. 1774: 1770: 1766: 1759: 1756: 1743: 1739: 1732: 1729: 1716: 1712: 1711:Press Release 1708: 1701: 1698: 1686: 1682: 1675: 1672: 1667: 1663: 1656: 1653: 1643: 1637: 1634: 1622: 1618: 1611: 1609: 1605: 1600: 1596: 1590: 1587: 1582: 1575: 1572: 1559: 1555: 1549: 1546: 1533: 1529: 1523: 1520: 1515: 1511: 1506: 1501: 1497: 1493: 1489: 1482: 1480: 1478: 1476: 1474: 1472: 1468: 1463: 1459: 1454: 1449: 1445: 1441: 1438:(3): 477–84. 1437: 1433: 1429: 1422: 1419: 1414: 1410: 1404: 1401: 1396: 1392: 1388: 1384: 1379: 1374: 1371:(4): 769–79. 1370: 1366: 1362: 1355: 1352: 1347: 1343: 1338: 1333: 1329: 1325: 1322:(4): 487–95. 1321: 1317: 1313: 1306: 1303: 1298: 1294: 1289: 1284: 1280: 1276: 1272: 1268: 1264: 1257: 1254: 1249: 1245: 1240: 1235: 1231: 1227: 1224:(8): 955–66. 1223: 1219: 1215: 1208: 1205: 1197: 1193: 1186: 1179: 1176: 1168: 1161: 1155: 1152: 1144: 1137: 1131: 1128: 1123: 1119: 1115: 1111: 1104: 1101: 1088: 1084: 1077: 1075: 1071: 1058: 1054: 1048: 1045: 1033: 1029: 1022: 1019: 1006: 1002: 998: 992: 989: 984: 980: 976: 972: 968: 964: 960: 956: 952: 945: 942: 937: 935:9780007350742 931: 927: 923: 917: 915: 911: 904: 899: 896: 894: 891: 889: 886: 884: 881: 879: 876: 874: 871: 869: 866: 864: 861: 860: 855: 853: 851: 848: 843: 839: 835: 833: 829: 824: 823: 822:New Scientist 815:Controversies 814: 812: 810: 806: 801: 799: 795: 790: 788: 784: 783: 778: 774: 769: 767: 766: 760: 755: 752: 749:Experimental 747: 745: 739: 737: 733: 728: 722: 720: 716: 714: 710: 706: 701: 699: 690: 688: 686: 676: 672: 670: 665: 661: 657: 652: 650: 645: 643: 639: 635: 631: 627: 623: 619: 615: 611: 607: 604:resulting in 603: 598: 596: 591: 582: 578: 574: 570: 566: 562: 558: 554: 551: 546: 544: 540: 532: 530: 528: 524: 520: 516: 511: 509: 505: 500: 498: 493: 489: 484: 482: 478: 474: 470: 469: 464: 463: 458: 452: 450: 446: 442: 434: 427: 422: 420: 418: 413: 411: 410: 404: 399: 389: 386: 378: 368: 364: 358: 357: 352:This section 350: 346: 341: 340: 334: 332: 330: 326: 322: 318: 313: 311: 307: 303: 302:immune system 299: 295: 291: 287: 283: 280: 275: 273: 269: 265: 261: 257: 253: 249: 245: 241: 238: 234: 230: 226: 225:CD28-SuperMAB 222: 218: 208: 201: 194: 190: 189: 187: 185: 181: 174: 173: 171: 169: 165: 158: 154: 153: 151: 149: 145: 140: 133: 132: 130: 128: 124: 119: 112: 111: 109: 107: 103: 100: 97: 95: 89: 86:Clinical data 84: 81: 78: 76: 72: 68: 64: 61: 59: 55: 51: 49: 45: 42: 38: 30: 19: 3502:Risankizumab 3487:Lebrikizumab 3467:Clazakizumab 3457:Anrukinzumab 3436:Tralokinumab 3352:Otelixizumab 3332: 3324: 3323: 3293:Tregalizumab 3278:Tislelizumab 3248:Satralizumab 3228:Rontalizumab 3223:Retifanlimab 3198:Plozalizumab 3178:Pateclizumab 3173:Pascolizumab 3168:Ozoralizumab 3118:Lampalizumab 3108:Inebilizumab 3098:Fontolizumab 3048:Camrelizumab 3043:Benralizumab 3038:Atezolizumab 3024: 2967:Clenoliximab 2868: 2852:Bertilimumab 2847: 2836:Tremelimumab 2816: 2739:Mavrilimumab 2729:Lirentelimab 2724:Lerdelimumab 2699:Fresolimumab 2639:Atorolimumab 2617: 2497:. 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Index

TGN1412
Monoclonal antibody
Type
Source
Humanized
mouse
Target
CD28
Routes of
administration

intravenous
ATC code
Legal status
CAS Number
906068-56-2
ChemSpider
UNII
POO0DOD3AS
(verify)
immunomodulatory
immunologist
Thomas Hünig
University of Würzburg
first-in-human study
Parexel
TeGenero
spin-off
chief scientific officer
chief executive officer
TheraMAB
B cell

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