Page 28 - ARUBA TODAY
P. 28

A28    SCIENCE
                    Tuesday 25 July 2017


















                Girl’s HIV infection seems under control without AIDS drugs



            By MARILYNN MARCHIONE                                                                                               study testing a long-acting
             AP Chief Medical Writer                                                                                            combo  of  two  HIV  drugs
            A  South  African  girl  born                                                                                       —  Janssen’s  rilpivirine  and
            with the AIDS virus has kept                                                                                        ViiV  Healthcare’s  cabote-
            her infection suppressed for                                                                                        gravir.
            more  than  eight  years  af-                                                                                       Cabotegravir is experimen-
            ter stopping anti-HIV medi-                                                                                         tal; rilpivirine is sold now as
            cines  —  more  evidence                                                                                            Edurant and used in com-
            that  early  treatment  can                                                                                         bination  with  other  drugs
            occasionally cause a long                                                                                           for treating certain types of
            remission  that,  if  it  lasts,                                                                                    HIV patients.
            would be a form of cure.                                                                                            After  initial  treatment  to
            Her  case  was  revealed                                                                                            get  their  virus  under  con-
            Monday  at  an  AIDS  con-                                                                                          trol,  about  300  study  par-
            ference  in  Paris,  where                                                                                          ticipants were given either
            researchers  also  gave  en-                                                                                        daily combination therapy
            couraging results from tests                                                                                        pills or a shot every four or
            of  shots  every  month  or                                                                                         eight  weeks  of  the  long-
            two instead of daily pills to                                                                                       acting  drug  duo  to  main-
            treat HIV.                                                                                                          tain control.
            “That’s  very  promising”  to                                                                                       After  nearly  two  years,  94
            help people stay on treat-                                                                                          percent  on  eight-week
            ment,  the  U.S.’s  top  AIDS   This  undated  photo  provided  by  the  Centers  for  Disease  Control  and  Prevention  shows  a   shots,  87  percent  on  four-
            scientist,  Dr.  Anthony  Fau-  scanning electron micrograph of multiple round bumps of the HIV-1 virus on a cell surface.   week shots and 84 percent
            ci, said of the prospects for                                                                    Associated Press   on  daily  pills  had  their  in-
            long-acting drugs.                                                                                                  fections  suppressed,  with
            Current         treatments   able  that  in  some  cases,  ducing.  The  girl  does  not  sumed.                    similar rates of side effects.
            keep  HIV  under  control    and  the  South  African  have a gene mutation that  At least a dozen adults also      “The  results  were  good
            but  must  be  taken  life-  girl  is  the  third  child  who  gives  natural  resistance  to  have had remissions lasting   regardless   of   whether
            long.  Only  one  person  is   achieved  a  long  remission  HIV infection, Fauci said, so  for years after stopping HIV   people  came  monthly  or
            thought to be cured — the    after that approach.         her  remission  seems  likely  medicines.                 every two months for their
            so-called  Berlin  patient,  a   She  was  in  a  study  spon-  due to the early treatment.  A  study  underway  now  is   treatment.  This  has  impor-
            man who had a bone mar-      sored by the agency Fauci  The previous cases:            testing  whether  treating   tant  policy  implications,”
            row transplant in 2007 from   heads,  the  National  Insti-  —A  French  teen  who  was  HIV-infected   newborns    said  Dr.  Linda-Gail  Bek-
            a  donor  with  natural  resis-  tute  of  Allergy  and  Infec-  born  with  HIV  and  is  now  within two days of birth can   ker, deputy director of the
            tance to HIV.                tious  Diseases,  that  pre-  around  20  has  had  her  in-  control the virus later after   Desmond  Tutu  HIV  Centre
            But  transplants  are  risky   viously  found  that  early  fection  under  control  de-  treatment stops.          at  the  University  of  Cape
            and  impractical  to  try  to   versus  delayed  treatment  spite  no  HIV  medicines    It  started  in  2014  in  South   Town  in  South  Africa,  and
            cure the millions already in-  helped babies survive.     since  she  was  roughly  6  America,  Haiti,  Africa  and   a co-leader of the confer-
            fected. So some research-    The  girl,  who  researchers  years old.                  the  United  States,  and    ence.
            ers  have  been  aiming  for   did not identify, started on  —A  Mississippi  baby  born  some of the earliest partici-  The  study  was  sponsored
            the next best thing — long-  HIV drugs when she was 2  with HIV in 2010 suppressed  pants might be able to try      by the drugmakers. Results
            term  remission,  when  the   months old and stopped 40  her infection for 27 months  stopping  treatment  later    were  published  in  the  Brit-
            immune  system  can  con-    weeks later. Tests when she  after  stopping  treatment  this year.                    ish medical journal Lancet.
            trol HIV without drugs even   was  9  1/2  years  old  found  before  it  reappeared  in  Treatment might get easier   Two  large  studies  aimed
            if signs of the virus remain.  signs of virus in a small num-  her blood. She was able to  if  two  large  studies  under-  at winning approval to sell
            Aggressive treatment soon    ber of immune system cells,  get the virus under control  way  now  confirm  results   the  treatment  are  testing
            after  infection  might  en-  but none capable of repro-  again  after  treatment  re-  reported  Monday  from  a   the monthly shots. q
   23   24   25   26   27   28   29   30   31   32