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File: 120396_sep96_decls28_0002.txt
Subject: RATIONALE ANTIBIOTICS PROPHYLAXIS AGAINST INHALATION ANTHRAX
Unit: OTSG
Parent Organization: HSC
Box ID: BX003203
Folder Title: RATIONALE FOR ANTIBIOTICS IN PROPHYLAXIS AGAINST INHALATION ANTHRAX
Document Number: 1
Folder SEQ #: 5
@%ILIURL I UNCLASSIFIED
The vast majority of anthrax strains are sensitive
to penicillin. Historically, this drug has been considered the
"trsatmant of choice,' for all forms of anthrax; tetracycline,
arythromycifti and chloramphanicol have boon recommended in
V"icillin-allargic patients. Rare penicillin-resistant strains
exist naturally, however, and one has been recovered from a fatal
human case. In addition, it is not difficult to induce
resistance to both penicillin and tetracycline through laboratory
manipulation of anthrax bacilli. Ciprofloxacin is a relatively
now antibiotic with a novel mechanism of action (DNA gyrase
inhibitor). To date, all strains of anthrax tested have proven
quite sensitive (1.2). Because this is a relatively now drug,
and because of its unusual mechanism of action, it is unlikely
that resistance has been "engineered', at this time. Therefore,
ciprefloxacino a drug with few recognized side effects, a
convenient oral dosing schedule (twice daily), and sxcallant
activity both la vitro and In @ offers a good option for
antibiotic use in countering possible infection with this
organism. Many of theme maze arguments can be made for
doxycycline as well; however, the methods for ''engineering"
resistance to tetracyclines are simple and readily available in
the open literature. This combined with recognized
PbLctqqOngitiVity ML%* doxy@lina A I;Arandary option.
B: Utility of antibiotics in cutaneous anthrax
Published series confirm that cutaneous anthrax is readily
2
L t) It L I
UNCLASSIFIED
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Document 8 f:/Week-36/BX003203/RATIONALE FOR ANTIBIOTICS IN PROPHYLAXIS AGAINST INHALATION ANTHRAX/rationale antibiotics prophylaxis against inhala:11089615091429
Control Fields 17
File Room = sep96_declassified
File Cabinet = Week-36
Box ID = BX003203
Unit = OTSG
Parent Organization = HSC
Folder Title = RATIONALE FOR ANTIBIOTICS IN PROPHYLAXIS AGAINST INHALATION ANTHRAX
Folder Seq # = 5
Subject = RATIONALE ANTIBIOTICS PROPHYLAXIS AGAINST INHALA
Document Seq # = 1
Document Date =
Scan Date =
Queued for Declassification = 01-JAN-1980
Short Term Referral = 01-JAN-1980
Long Term Referral = 01-JAN-1980
Permanent Referral = 01-JAN-1980
Non-Health Related Document = 01-JAN-1980
Declassified = 08-NOV-1996