Document nmBeqxy3X3dwrzRJMBGKqKMb8

t i FOR DU PONT USE ONLY Study Title AR226-2932 Du Pont HLO 408-87 Author John E. Henry Study Completed On July 30, 1987 Performing Laboratory E. I. du Pont de Nemours and Company, Inc. Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, P. 0. Box 50 Newark, Delaware 19714 Medical Research No. Laboratory Project ID Haskell Laboratory Report No. HLO 408-87 Page 1 of 2 QoMpmySanftbed.DoesnoiqqntalnifgCA3* CENTRAL RESEARCH AND DEVELOPMENT DEPARTMENT HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE cc: July 30, 1987 L 1CHEMICALS AND PIGMENTS DEPARTMENT TECH LABORATORY 0 TEST) AND I l TEST) Attached is report HLO 408-87 (Biosearch, Inc., Project Number 37^5670H). Included in the reports are patch-test methods, results and conclusions. The test materials were judged to be neither primary skin irritants nor sensitizing agents when tested by a repeated-insult patch test. i J. E. HENRY TECHNOLOGIST JEH:smk:HL07.49 Attachment ] Sampang Sanitized. Dees mAoorrtsfm TSCA Q _ ULO- 4os Protect Nuaber: 87-5870H R T rill Pont de Nemours 8 Coapany. Inc. (Refer to your letter of 05/12/87) Modified Dralze Repeated Insult Fateh Test Study in Huaan suojeccs Subiect List Subject Nuaber Initials Sex Age CoaDlexion Allergies 1 2 M.A. F..A. F 58 Mdius F 68 Fair " V. A . F 57 Fair 4 A.A. F 65 Mdius " 5 L.B. F 48 Fair 6 R.M.B. F 28 Mdius -- 7 M.B. F 28 Fair -- 8 9 10 J.B. F 44 Fair F.M.B. M 28 Mdius R.P. M 46 Mdius cats ~~ ~ 11 T.B. M 57 Medium 12 SB. F 49 Medium -- 13 J.B. F 54 Fair 14 D.M.B. F 56 Medium ~ 15 M.B. F 31 Fair 16 K.C. F 35 Medium 17 D.C. F 30 Fa ir ' 18 J.A.C. F 25 Fair 19 C.C. F 41 Fair ' 20 C.D. F 49 Medium 21 B.D. F 17 Medium _ h 22 1).D . F 49 Fair 23 K.D. F 27 Fair 24 k .i .r>. F 33 Medium 25 K.D. F 43 Fai : 26 ' A.M.I). F 29 Fair 27 M.D. M 31 Medium 28 M.K. F 44 Med ium 29 B.E. F 64 Fair 30 R.E. F 60 Medium 31 J.M.F. M 33 Medium 32 L.F. F 28 Fai. 33 S.F. F 39 Fair 34 J.G. F 28 Fair 35 S.G. F 18 Fair 36 B.H. F 22 Fair 37 D.H. F 17 Medium 38 F..H. F 41 Fair 39 E.A.H. F 15 Medium 40 M.H. F 49 Medium 41 42 S.H. J.H. F 32 Medium F 43 Fair bee stings 43 D.H. F 31 Medium 44 1 .1 . F 57 Medium 45 C. J . F 35 Fair 46 A.K. F 54 Fair nylon 47 C.K. F 36 Fair 48 B.K. F 57 Fair 49 K.L. F 26 Fair )/ 50 51 M.L. S.L. F 28 Medium F 32 Fair dust 52 D.L. F 16 Fair P.O. BOX 857B - PHILADELPHIA. PENNSYLVANIA 17101 - (215) 737-4*97 ilHlTflti .. TgrA * * rre a st . . . <er,V V T Modified Draize Repeated Insult Patch Test Study in Human Subjects Subject List (continued) Subject Nuaber Initials Sex Age Complexion Allergies 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 71 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 G. L. A. L . P.M. R.A.M. M.M. M.M. R.M. E.M. A.E.M. F..M. J.M. R.M. H.M. J.M. M.M. P.M. J.P.M. J.N. M. N. D .0. N. O. M.P. J.L P. C.G P. D.P. R.P. S.P. J.Q. R R. S.R. MR. J.R. K.R. A.K. L.R. D.S. L.S. C.S. M.S. M.S. M.A.S. R.S. H.S. M.S. K.T. C.T. B.T . A .V . H.W. D.W. s.z. F F F F F F F F F F F F F F F F M F M F F F M M F M F F F F F M F F F F F F F F F F F F F F F M M F F 35 49 33 35 17 18 42 30 53 64 54 46 43 61 44 54 53 37 17 28 52 25 50 53 26 27 16 19 25 52 21 61 42 29 39 64 35 36 42 29 30 51 54 48 17 25 33 66 55 28 34 F a ir F a ir Mediua Medium Mediua F a ir Mediua Fair Fair Mediua Fair Medium Medium Medium Med iurn Fair Medium Fair Fair Fair Fa ir Med ium Med ium Fair Fair Med ium Pair Medium Medium Med ium Medium Fair Medium Medium Fair Fair Medium Fair Medium Medium Fair Mediua Medium Medium Fair Fair Fair Mediua Fair Medium Fair penicillin penici 11 in penici 11 in Indocine penici 1iin penici 11 in ~ poison ivy *" " - -- ~ hayfever penici11 in penici11 in -- " " " seafood " ytff- BIOSEARCH , INCORPORATED - P.0. BOX B59B - PHILADELPHIA, PENNSYLVANIA 19101 - (215) 739-4499 //////\\\ ////// /// /// \\\/// Telephone: (215) 739-4499 Project Number: 87-5670H Testing Facility: Biosearch Incorporated 3408-50 "B" Street Philadelphia, PA 19134 Sponsor : F..I. du Pont de Nemoi-rs & Company, Haskell Laboratories P.O. Box 50, Elkton Road Newark, DE 19714 Inc. Test Article: 16,759 Test Article Peser ipt ion : Blue fabric Test Article Received: 05/14/87 Study Initiated: 05/27/87 Study Completed: 07/02/87 Date of Report: 07/06/87 Modified Draize Repeated Insult Patch Test Study in Human Subjects Obiect of Test : To determine the irritating, fatiguing and sensitiz ing properties of the test article. Method of Test: The method employed in carrying out this test was similar to that described in "Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics" by J.H. Draize and published by the Association of Food and Drug Officials of the United States. The test involved the application of the test article to the upper arms of a group of 103 volunteer Cauca sian subjects. These subjects were all determined to be in generally good health, free of any visible skin disease or anomaly in the area to be patched. Each subject was required to read, understand and sign an informed consent statement. The test article was tested as supplied. Modified Draize Repeated Inault Patch Test Study in Human Subject Method of Tet: (continued) Approximately a one Inch square portion oi test article wa applied to the appropriate kin ite and covered with 2" >ericel hypo-allergenic cloth tape (Johnson & Johnsor . New Brunswick, N..T. 08903). The patch remained in tlace for 24 hours. At the end of this period, the patch was removed and the site was exami-.ed for any dermal response. Scor ing of irritation as in accordance with the scale in the Appendix. The subjects were then rested for a 24 hour period after which the skin site was again examined. A pater was then applied to the same site as previously used. The second application was identical to the i.rst and remained in place 24 hours. This procedure was repeated on alternate days untfrl a series of ten applications had been made. The same site continued to re used throughout the study period as long as no irritation or only minimal irritation (1+ ) was seen at'.er each 24 hour rest period. If ,, e a t e r irritatio- (2+ or more) was noted then the subject was either rested or the contact site was changed at the disiretion ot the investigator. Approximately a i to 3 week rest period then elapsed after which a challenge application was applied in the same manner and tc the same sites described above. A duplicate challerte application was also applied in the same manner to a virgin site (previously untreated) on e other arm. The challenge application was r ^ o v e d after 24 hours and the sites w-re examined or signs of irritation or sensitization. fellow up examinations were conducted f . . . -K. challen ge a p p lic a tio n . The subjects invoked in this study ranged in age from 16 to 68 years ol -ge. See accompanying f.ble. summary and appendix. not eontaln TSSA 6? I y BIOSEARCH* INCORPORATED - P.0. BOX 6598 - M.AOELPHIAi PENNSYLVANIA 19101 - 1215 739-4*99 Modified Dralze Repeated Insult Patch Test Study in Human Subjects Conclusion: Signatures ; From the results obtained in this study as described above with the particular group of subjects tested, the test article is most likely not a primary skin irritant. The test article is most likely not a fatiguing agent. The test article is most likely not a sensitizing agent. Submitted by Biosearch, Incorporated: lohn F. Wilson, M.D. ^Consultant Dermatologist ark, M.D. Medical Director ___ Karl L. Gabriel, V . M " . , Ph.D. President I BIOSEARCHi INCORPORATED - P.0. BOX 859B - PHILADELPHIAi PENNSYLVANIA 19101 - (215) 739-4499 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,759, as supplied. Paga 4 of 9 OCM' Modified Draize Repeated Insult Patch Test Study in Human Subjects m 6n 5ni Table 1 Initial Exposure *0a>Hm0 Subject Number 1 24 48 2 24 48 3 24 48 56 789 48 24 48 24 48 24 48 24 48 24 48 1 00 00 0 0 00 00 0 0 00 00 0 2 a3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 C0XD OECP 4 5 6 CD 7 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0G 00 00 00 00 00 00 00 00 0 0 0 0 a8 00 00 00 00 00 00 00 00 0 9 00 00 0 0 00 00 0 0 00 00 0 10 0 0 0 0 0 0 0 0 0 ft ft ft 0 0 ft ft ft 5Om 11 12 ai 13 ? 14 m 15 zu-rt< 16 17 >z 18 > 19 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 0 0 0 0 0 0 0 o 20 00 00 00 00 00 00 00 00 0 21 a 22 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 0 23 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 24 00 0 0 00 0 U<s0j 25 00 00 00 0 (t&(00 24 " Reading 24 hours after application 0 0 00 00 00 00 00 00 00 00 0 0 48 Reading 48 hours after previous application but just before next application 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 0 \. 00 00 ft ft 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 BIO S EA RCH . INC O R P O R ATE D P O . BOX 6 5 9 8 P H IL A D E LP H IA . P E N N S Y LV A N IA 19101 ( * 1 5 ) 7 3 9 - 4 4 9 9 Project Humber: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,759, as supplied. Modified Draise Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) Subject Number 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 4 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Initial Exposure 56 7 24 48 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0.0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 , 0 0 0 00 00 00 00 10 24 48 Challenge Original Virgin Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0o 0o 0o 00 00 00 00 00 00 00 0o 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 Reading 24 hours after application 48 e*^*-nR hours after previous application but just before next application Project Number: 87-5670H E.I. du Pont de Nemours 6 Company, Ino. - 16,759, as aupplifil. Modified Draize Repeated Insult Patch Test Study in Human Subjects BIOSEARCH. INCO RPO R A I ED . PO. B O X B 59B Table. 1 (continued) Subject Number 5) 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 7C 71 72 73 74 75 1 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 4 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Initial Exposure 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0 00 00 00 00 8 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Challenge 10 Original Virgin Site Site 24 48 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 P H IL A D E LP H IA . P E N N S Y LV A N IA 19101 1215)739-4499 24 - Beading 24 hours after application 48 - Reading 48 hours after previous application but just before next application 'S * . Page 6 of 9 fk)fl O' Project Number: 87-5670H K.I. du Pont de Nemours & Company, Inc. - 16,759, as supplied. Modified Oraise Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) Subject o Number 76 77 78 79 80 81 82 83 84 R'. 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 1 24 48 2 24 48 3 24 48 4 24 48 Initial Exposure 56 24 48 24 48 24 48 8 24 48 9 24 48 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 0U 00 00 00 00 it II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 00 11 II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0n 00 00 00 00 00 00 00 00 nn II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 nn II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 nn II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0n 00 00 00 00 00 00 00 00 nn II o 00 00 00 00 00 00 00 00 00 00 00 00 00 00 nn 00 00 00 00 00 00 00 00 nn ou 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 nn u 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n0 uu 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | 24 Reading 24 hour after application 48 Reeding 48 hours after previous application but just before next application Page 7 of 9 P H ILA D E LP H IA . P E N N S Y L V A N IA 19101 ef fes On Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,759, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) 0von Subject Number 9 mH O 101 a 102 103 1 24 48 00 00 00 48 00 00 00 3 24 48 00 00 00 4 24 48 00 00 00 Initial Exposure 5 24 48 6 24 48 7 24 48 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 9 24 48 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 Page 8 of 9 CM ! rsi I go I ? mTzzi<r<>nJ Z > <o 6 24 - Reading 24 hours after application 48 Reading 48 hours after previous application but just before next application (0 B IO S E A R C H . IN C O R P O R A T E D P.O 3CX 0 5 9 8 P H IL A D E L P H IA P E N N S Y L V A N IA 19101 1215) 7 3 9 -4 . Project Number: 87-5670H K . I . J u l*i h i I il l" N f in m n a & C iin i|> riii v , l u t . I ( , / ' > ' , n n n | j . I 1 .1 . Modified Draize peated Insult Patch Test Study in Human Subjects Suranary of Table 1 Initial Exposure 1 2 3 4 5 6 7 8 9 10 Readings 24 48 24 48 24 48 24 48 24 48 24 48 24 48 24 48 24 48 24 48 0 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 Challenge Original Virgin Site Site 24 48 24 48 103 103 103 103 24 " Reading 24 hours after application 48 *= Reading 48 hours after previous application but just before next application Modified Draise Repeated Ineult Patch Teat Study in Human Subject GRADING SCALE Human Patch Teat Studies Read ing 0 + 1+ 2+ 3+ t+ Interpretation negat ive suspicious slight erythema well defined erythema erythema with Induration erythema with ulceration DEFINITIONS* Sensitization is a phenomenon which manifests itself by local effects on either skin or mucous membranes. It differs from primary irritation in that it may also involve tissues remote from the site of application. These ^ t i o n s represent an allergy to a chemical which is not obtained on first contact, but requires a number of prior exposures for development. BIOSBARCH INCORPORATED III /// /////A\\ U H U /// III \\\/// P.O. Box 8598, Philadelphia. Pauartvaaia 19101 Tdephoao: (2151 739-4499 Project Number: Testing Facility: 87-5670H Biosearch Incorporated 3408-50 "B" Street Philadelphia, PA 19134 Sponsor : F.I. du Pont de Nemours & Company, Inc. Haskei1 Laboratories P.O. Box 50, Elkton Road Newark, DE 19714 Test Article: 16,760 Test Article Peser iptIon : Blue fabric Test Article Received: 05/14/87 Study Initiated: 05/27/87 Study Completed: 07/02/87 Date of Report: Test: 07/06/87 Modified Draize Repeated Insult Patch Test Study in Human Subjects Object of Test: To determine the irritating, fatiguing and sensitiz ing properties of the test article. Method of Test: The method employed in carrying out this test was similar to that described in "Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics" by J.H. Draize and published by the Association of Food and Drug Officials of the United States. The test involved the application of the test article to the upper arms of a group of 103 volunteer Cauca sian subjects. These subjects were all determined to be in generally good health, free of any visible skin disease or anomaly in the area to be patched. Each subject was required to read, understand and sign an informed consent statement. The test article w a s tested as supplied. CO1 a** ft* eo' Project Niwhtr! S7-S670H Page 2 of E.I. du Pont do Nemours 6 Company, Inc. - 16,760 Modified Draize Repeated Ineult Patch Teat Study In Human Subjects Method of Test: (continued) Results : Approximately a one inch square portion of teat article was applied to ..he appropriate skin site and covered with 2H Deraicel hypo-allergenic cloth tape (Johnson & Johnson, New Brunswick, N.J. 08903). The patch remained in place for 24 hours. At the end o: thio period, the patch was removed and the site was examined for any dermal response. Scor ing of irritation was in accordance with the scale in the Appendix. The subjects were then rested for a 24 hour period after which the skin site was again examined. a patch was then applied to the same site as previously used. The second application was identical to the first and remained in place 24 hours. This procedure was repeated on alternate days until a series of te- applications had been made. The same site continued to be used throughout the study period as long as -.j irritation or only minimal irritation (1+ ) was seei after each 24 hour rest period. If greater irritation (2+ or more) was noted then the subject was either rested or the contact site was changed at tr.e discretion of the investigator. Approximate), a 2 to 3 week rest period then elapsed after which a challenge application was applied in the same manner and to the same sites described above. A duplicate challenge application was also applied in the same Banner to a virgin site (previously untreated) in the other arm. The challenge application was removed after 24 hours and the sites were exami-.ed for signs of irritation or sensitizatio'.. Follow up examinations were conducted at 48 hours otter the challenge application. The subjects involved in this study ranged in age from 16 to 68 years of age. See accompanying table, summary and appendix. BIOSEARCH. INCORPORATED - P.0. BOX B59 - PHILADELPHIA. PENNSYLVANIA 191D1 - (215) 739-4499 Project Number: 87-3670H Page 3 of 9 E.I. du Pont de Nemours 4 Company, Inc. - 16,760 Modified Dralze Repeated Insult Patch Test Study in Human Subjects Conclusion: Signatures: From the results obtained in this study aB described above with the particular group of subjects tested, the test article is most likely not a primary skin irritant. The test article is most likely not a fatiguing agent. The test article is most likely not a sensitizing agent. Submitted by Biosearch, Incorporated Raymond jlark, M .D . Medical*nirector Karl I.. Gabriel, V.M.D., Ph.D. President ) B105EARCH. INCORPORATED - P.0. BOX 0598 - PHILADELPHIA. PENNSYLVANIA 191Q1 - (215) 739-4499 Project Number: 87--5670H F. . 1 . r|ti Po nt rfi' N om on iP * I ' *m|.an V , 1*' - W, /<<, an n .j. 1. 1 i < .1 . Modified Draixe Repeated Insult Patch Test Study in Human Subjects 0 5 (A Vr1> Table 1 zn ouo 0 Subject 5-* Nuaber 1 24 48 2 24 48 3 24 43 4 24 48 Initial Exposure 56 24 48 24 48 24 48 P O BC< 9 5 9 8 . P H IL A D E L P H IA . P E N N S Y L V A N IA 19IOI 1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 17 18 19 20 21 22 23 i 24 3 25 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1) 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1) 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 oo 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0u 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 fl 0 u0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 n0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 o' 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 " Reading 24 hours after application 48 " Reading 48 hours after previous application but just before next application ^ Confi vv Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,760, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects 09 tn>n ox X o Subject ' Number 26 27 28 29 30 31 32 33 34 35 36 37 33 39 40 41 42 43 44 45 46 47 48 49 50 Table 1 (continued) 1 24 48 00 00 00 00 00 00 00 00 00 00 00 0 0. 00 00 00 00 00 00 00 00 00 00 00 00 00 2 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Initial Exposure 3 24 48 4 24 48 5 24 48 6 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0n 00 00 00 00 7 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 14 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 S 24 - Reading 24 hours after application 48 m Rending 48 hours after previous application hut lust before next appiicat ion Page 5 of 9 Of Page 6 of 9 B io s e a r c h in c o r p o r a t e d p o 0 0 x 0 5 9 0 Ph ila d e l p h ia . Pe n n s y l v a n ia 19101 ^'i^i 739 4499 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,760, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects Subject Number 51 52 53 5A 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 1 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 4 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Table 1 (continued) Initial Exposure 5 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 6 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 00 00 00 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 Reading 24 hours after application 48 - Reading 48 hours after previous application but just before next application Project Humber: h7-5670H E.I. du Pont de Nemours & Company, Inc. - 16,760, as supplied. Modified Draize Repeated Insult Patch Te>.t Study in Human Subjects Table 1 (continued) 0X>a Number O 76 77 78 t) 0 79 80 o X 81 oe Ul 82 n 83 84 85 D 86 r> 87 m 88 'o 89 > na 90 91 z r< 92 93 > 2 94 > <5 95 0 96 97 a 98 99 2 100 24 48 24 48 24 48 24 48 Initial Exposure 24 48 24 48 24 48 24 48 24 48 0 24 48 Chailenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 l> 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0c 00 00 00 00 00 00 0n 0G 00 0n 0u 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 o0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e 24 Reading 24 hours after application 48 " Reading 48 hours after previous application but just before next application Page 7 of 9 *08 Page 8 of 9 0 IO S E A R C H . IN C O R P O R A T E !-* P O B O * 8 5 9 8 P H IL A D E L P H IA . P E N N S Y L V A N IA 1910 ( 2 1 J D 3 9 - 4 4 9 9 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,760, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) Subject mber 101 102 103 1 24 48 00 00 00 23^* 24 48 24 48 24 48 00 00 00 00 00 00 00 00 00 Initial Exposure 56789 24 48 24 48 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 24 48 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 24 * Reading 24 hours after application 48 * Reading 48 hours after previous application but just before next application ****** 9IO S E A R C H IN C O R P O R A T E L I Project Number: 87-5670H fc.l. du Poni de Nemouis 6, (Juiuputiy , lue. - 10,/OU, uh sappii-d. Modified Draize Repeated Insult Patch lest Study in Human Subjects Summary of Table 1 Initial Exposure 123456789 10 Readings 24 48 24 48 24 48 24 48 24 48 24 48 24 48 24 48 24 48 24 48 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 Challenge Original Virgin Site Site 24 48 24 48 103 103 103 103 . PO 0 0 X 8 5 9 6 P H IL A D E L P H IA . P E N N S Y L V A N IA 19101 . Page 9 of 9 12151739 24 * Reading 24 hours after application 48 " Reading 48 hours after previous application but just before next application GRADING SCALE Human Patch Test Studies Reading 1+ 2+ 3+ 4+ Interprtt Ion negative suspicious slight erythema well defined erythema erythema with induration erythema with ulceration DEFINITIONS* Sensitization is a phenomenon which manifests itself by local efft.-8 on either skin or mucous membranes. It differs from primary irritation in . a t it may also involve tissues remote from the site of application. These r e a s o n s represent an allergy to a chemical which is not obtained on first conta:.. but requires a number of prior exposures for development. Repeated patch applications of substances to both man and animals reveal that certain substances which, at a given concentration, do not ,.o uce primary irritation may elicit severe skin reactions after a n u m ^ r of exposures. Nevertheless, these reactions may not be considered incidc ts o sensitization since after 10-14 days of rest the skin recovers its original resistance to injury by the substance. For the lack of a better ern reactions have been called "skin fatique". This latter term is a that it does not imply a condition in which the skin has lost sl^--icant normal physiological function. This phenomenon consists of a subtle change in which the skin no longer exhibits its original refractoriness or resistance to the continued or repeated action of an agent. * Draize, J.H. 1959. Appraisal of the Safety of Chemicals in Foods. Drugs and Cosmetics. In DERMAL TOXICITY, p.46-53. Topeka. Kansas: Associa, ion of Food and Drug Officials of the United States. N f)0* BIOSEARCH i INCORPORATED - P.0. BOX 8598 - PHILADELPHIA. PENNSYLVANIA 19101 - (215) 7't-U99 BIOSBARCH INCORPORATED Hi /// //////\\\ ////// /// /// \\\/// P.O. Box 8598, Philadelphia. Penneylvanla 19101 Telephone: (215) 739-4499 Project Number: TeatIng Facility: 87-5670H Bloaearch Incorporated 3408-50 "B" Street Philadelphia, PA 19134 Sponsor : E.I. du Pont de Nemours & Company, Haskell Laboratories P.O. Box 50, Elkton Road Newark, DE 19714 Ine. Test Article: 16,761 Test Article Description: Blue fabric Tf'iL Article Received: 05/14/87 Study Initiated: 05/27/87 Study Completed: 07/02/87 Date of Report : Test : Ob 1ect of Test : Method of Test : 07/06/87 Modified Draize Repeated Insult Patch Test Study in Human Subjects To determine the irritating, fatiguing and sensltizing properties of the test article. The method employed in carrying out this test was similar to that described in "Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics" by J.H. Draize and published by the Association of Food and Drug Officials of the United States. The test involved the application of the test article to the upper arms of a group of 103 volunteer Cauca sian subjects. These subjects were all determined to be in generally good health, free of any visible skin disease or anomaly in the area to be patched. Each subject was required to read, understand and sign an Informed consent statement. The test article was tested as supplied. Project Number: 87-S670H Page 2 of 9 E.I. du Pont de Nemours 6 Company, Inc. - 16,761 Modified Dralze Repeated Insult Patch Test Study In Human Subjects Method of Test; (continued) ' Results: Approximately a one inch square portion of test article was applied to the appropriate skin site and covered with 2" Dermicel hypo-allergenic cloth tape (Johnson a Johnson, New Brunswick, N.J. 06903). The patch remained in place for 24 hours. At the er.: of this period, the patch was temoved and the site -as examined for any dermal response. Scor ing of irritation was in accordance with the scale in the Appencix. The subjects were then rested for a 24 hour per: i/d after which the skin site was again examined. A patch was then applied to the same site as previcisly used. The second application was identical :o the first and remained in place 24 hours. This procedure was repeated on alternate days until a series or ten applications had been made. The same site continued to be used throughout the study period as long as no irritation or only minimal irritation (1+) was >een after each 24 hour rest period. If greater irritation (2+ or more) was noted then the subject '-as either rested or the contact site was changed a: the discretion of the investigator. Approximately a 2 to 3 week rest period then elapsed after w h i m a challenge application wus applied in the same manner and to the same sites described above. A duplicate hallenge application was also applied in the same manner to a virgin site (previously untreated on the other arm. -The challenge applicatic- was removed after 24 hours and the sites were exanined for signs of irritation or sensitizat:o n Follow up examinations were conducted at 48 hours after the challenge application. The subjec-.s involved in this study ranged in age from 16 Lo 68 y-:ars of age. See accompanying table, summary and apperdix. BIOSEARCH I INCORPORATED - P.0. BO) 5 9 B - PHILADELPHIAi PENNSYLVANIA 19101 - (215) 739-4499 Project Number. 87-5670H Page 3 of 9 E.I. du Pont de Nemours & Company, Inc. - 16,761 Modified Draize Repeated Insult Patch Test Study In Human Subjects ' From the results obtained in this study as described above with the particular group of subjects tested, the test article is moBt likely not a primary skin irritant. The test article is most likely not a iatiguing agent. The test article is most likely not a sensitizing agent. Submitted by Biosearch, Incorporated: Raymo M e d 1cal Director Karl L. Gabriel, V.M.D., Ph.D. President BIOSEARCH. INCORPORATED - P.0. BOX 8598 - PHILADELPHIA. PENNSYLVANIA 19101 - (215) 739-4*99 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,761, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects m 6in | Table 1 ni z Initial Exposure 0X Subject > Number 1 24 48 2 24 48 3 24 48 4 24 48 5 24 48 6 24 48 7 24 48 8 24 48 9 24 48 o 1 2 u3 04 oX 5 ain 6 CD 7 8 9 X 10 Orr 11 12 T) 13 14 Xm 15 z 16 -r< 17 > 18 > 19 (0 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 t) 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 11 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 (1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0u 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0 00 00 00 21 0 0 0 0 0 0 0 22 00 00 00 0 23 N ? 24 NU(Jl0 25 & 00 00 00 00 00 00 00 00 00 0 0 0 <0 24 " Reading 24 hours after application 0 0 0 0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0c 00 00 00 00 00 00 00 00 48 " Reading 48 hours after previous application but just before next application 10 24 48 Challenge Original Virgin Site 24 48 Site 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Page 4 of 9 S, M Cottt*tn B IO S E A R C H . IN C O R P O R A TE D P O B O X 8 5 9 8 P H IL A D E L P H IA . P E N N S Y L V A N IA 19101 12151 7 3 P - 3 9 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,761, an supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) Subject Number 26 27 28 2V 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 1 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n0 00 3 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 4 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Initial Exposure 567 24 48 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 o0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 " Reading 24 !hours alter appiicat ion 48 Reading 48 hours after previous application but just before next ,application Page 5 of 9 *4 not B IO S E A R C H IN C O R P O R A T E D P O B O X 8 5 a 8 P H IL A D E L P H IA . P E N N S Y L V A N IA '9 <01 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,761, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) Subject Number 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 Initial Exposure 1 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 4 24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 5 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 6 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7 24 48 00 00 00 00 n0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 8 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 Reading 24 hours after application m ding 48 hours after previous application but just before next application Page 6 of 9 739 4499 Wt} __ "A "W Project Number : 87-567UH F.I. du Pont de Nemours & Company, Tnc. - 16,761, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects Table 1 (continued) 0a Subject 0Ta Number moH 76 77 78 0D 79 80 0X 81 a> 82 - iii 84 85 D T 86 rCn> 87 88 Tl T 89 90 m 91 i U<) r 92 93 >7 94 > <05 95 96 97 98 99 100 1 24 48 2 24 48 3 24 48 4 24 48 Initial Exposure 567 24 48 24 48 24 48 8 24 48 9 24 48 10 24 48 Chailenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 II o 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0n 1) II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 (1 11 u0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 u0 00 00 00 00 00 00 00 00 <1 (I 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0n 0u 00 00 00 00 00 00 00 00 I) 1) 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0n 0u 00 00 00 00 00 00 00 00 <) 11 uu 00 00 00 00 00 00 00 00 00 00 00 00 00 00 u0 0n 00 00 00 00 00 00 00 (1 II 0u 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0u 00 00 00 00 00 00 00 0n fl u 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 u0 00 00 00 00 00 00 00 n0 no u0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0u 00 00 00 00 00 00 00 00 II u 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 II (I 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 II II 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 - Reading 24 hours after application 48 - Reading 48 hours after previous application but just before next application Page 7 of 9 e Page 8 of 9 B IO S E A R C H IN C O R P O R A T E D P O BO X 8 5 9 8 P H IL A D E L P H IA . P E N N S Y L V A N IA 19101 < 2 1 5 ) 7 3 9 4 4 9 9 Project Number: 87-5670H E.I. du Pont de Nemours & Company, Inc. - 16,761, as supplied. Modified Draize Repeated Insult Patch Test Gtudy in Human Subjects Table 1 (continued) Subject Number 101 102 103 1 24 48 0 0 00 Initial Exposure 2345678 24 48 24 48 24 48 24 48 24 48 24 48 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9 24 48 00 00 00 24 48 00 00 00 10 24 48 Challenge Original Virgin Site Site 24 48 24 48 00 00 00 00 00 00 00 00 00 24 " Reading 24 hours after application 48 * Reading 48 hours after previous application but just before next application * t Niimh*r : R7 -r>*70H E.I. du Pont de Nemours & Company, Inc. - 16,761, as supplied. Modified Draize Repeated Insult Patch Test Study in Human Subjects sn i z n oao Os> moh Readings Summary of Table 1 12 24 48 24 48 3 24 48 4 24 48 Initial Exposure 56 7 24 48 24 48 24 48 8 24 48 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 0 I 5om i P t*zn0 zir<>zn< 24 - Reading 24 hours after application .. ,, 5 48 - Reading 48 hours after previous application but just before next application not C B/ Page 9 of 9 Modified Dralze Repeated Insult Patch Test Study In Human Subjects GRADING SCALE Human Patch Test Studies 'ad1ng 0 + 1+ 2+ 3+ 4+ Interpretation negative suspicious slight erythema well defined erythema erythema with induration erythema with ulceration DEFINITIONS* Sensitization is a phenomenon which manifests itself by local effects on either skin or mucous membranes. It differs from primary irritation in that it may also involve tissues remote from the site of application. These reactions represent an allergy to a chemical which is not obtained on first contact, but requires a number of prior exposures for development. Repeated patch applications of substances to both man and animals reveal that certain substances which, at a given concentration, do not produce primary irritation may elicit severe skin reactions after a number of exposures. Nevertheless, these reactions may notbe considered incidents of sensitization since after 1 0 - U days of rest the skin recovers its original resistance to injury by the substance. For the lack of a better term sue reactions have been called "skin fatique". This latter term is a misnomer in that it does not imply a condition in which the skin has lost significant normal physiological function. This phenomenon consists of a subtle change in which the skin no longer exhibits its original refractoriness or resistance to the continued or repeated action of an agent* * Dralze, J.H. 1959. Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics. In DERMAL TOXICITY, p.*6-53. Topeka, Kansas: Association of Food and Drug Officials of the United States. BlOSEARCHi INCORPORATED - P.0. BOX 8598 - PHILADELPHIA! PENNSYLVANIA 19101 * 1215) 739-4499