Unrelated donor and hla-identical sibling haematopoietic stem cell transplantation cure chronic granulomatous disease with good long-term outcome and growth
Unrelated donor and HLA-identical sibling haematopoieticstem cell transplantation cure chronic granulomatous diseasewith good long-term outcome and growth
Laura B. K. R. Jones,1 Stephen Hughes,1Stephen Hodges,2 Terence J. Flood,1
Chronic granulomatous disease (CGD) causes recurrent infection and
experience frequent hospitalisations and 50% mortality by 30 years.
Haematopoietic stem cell transplantation (HSCT) can cure CGD with
resolution of infection and colitis. This study reports the survival and long-
term outcome in 20 conditioned patients treated between 1998 and 2007,
2Paediatric Gastroenterology, Newcastle upon
using 10 matched sibling (MSD) and 10 unrelated donors (URD). Age at
Tyne Hospitals Foundation Trust, 3Regional
HSCT, graft-versus-host disease (GvHD), growth, and outcome were
Immunology laboratory, Newcastle upon Tyne
analysed. Fourteen had ‡1 invasive infection, 10 had colitis and seven had
Hospitals Foundation Trust, 4Department of
growth failure before HSCT. Median age at transplantation was 75 months
Haematology, Newcastle upon Tyne Hospitals
(range 15 months–21 years). Eighteen (90%) were alive 4–117 months
Foundation Trust, and 5Institute of Cellular
(median 61) after HSCT with normal neutrophil function. Two died from
Medicine, Child Health, University of Newcastle
disseminated fungal infection. Two experienced significant chronic GvHD,
with continuing sequelae in 1. Colitis resolved within 8 weeks of HSCT. Mean weight and height for age Z scores on recovery from HSCT rosesignificantly (P < 0Æ001). HSCT with MSD or URD gave excellent
engraftment and survival, remission of colitis and catch-up growth, with
low incidence of significant GvHD. Transplant-associated complications were
restricted to those with pre-existing infection or inflammation, supporting
Newcastle General Hospital, Westgate Road,
the argument for early HSCT for more CGD patients with a well matched
*E. Soncini and M.A. Slatter contributed equally
Keywords: chronic granulomatous disease, graft-versus-host disease, hae-
matopoietic stem cell transplantation.
Chronic granulomatous disease (CGD) is an X-linked or
to colitis with subsequent growth failure (Scha¨ppi et al, 2001;
autosomal recessive primary immunodeficiency in which
Jones et al, 2008; Martire et al, 2008), gastric outlet obstruc-
mutations in genes encoding for nicotinamide adenine dinu-
tion (Dickerman et al, 1986), inflammatory lung disease, or
cleotide phosphate lead to failure of microcidal oxygen
granulomata formation causing genitourinary stricture (Wal-
metabolite generation in phagocytes (Roos et al, 2007). This
causes impaired microbial killing, susceptibility to bacterial
Lifelong antibacterial and antifungal prophylaxis with
and fungal infections, granulomata formation leading to
cotrimoxazole (Margolis et al, 1990) and itraconazole (Mouy
inflammatory disease and premature mortality (Mouy et al,
et al, 1994) has improved short and medium term survival
1989; Finn et al, 1990; Liese et al, 2000). Most patients present
(Cale et al, 2000). Supportive treatment with gamma inter-
with suppurative lymphadenitis, liver abscesses, or recurrent
feron (IFNc) may reduce the incidence of opportunistic
respiratory infection, mainly caused by catalase-positive
infection (The International Chronic Granulomatous Disease
micro-organisms, such as Aspergillus species, Staphylococcus
Cooperative Study Group, 1991). Steroids and aminosalicy-
aureus or Burkholderia cepacia (Jones et al, 2008; Martire et al,
lates ameliorate colitis and other inflammatory complications,
2008). Persistent inflammatory reaction to infection may lead
but these treatments do not cure the underlying genetic defect.
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
Patients’ life quality is burdened by frequent hospitalisations,
dihydrorhodamine (DHR) fluorescence (Mauch et al, 2007),
recurrent diarrhoea, inflammatory lung damage, and poor
and confirmed by mutation analysis. Nineteen patients had
growth (Liese et al, 2000; Jones et al, 2008). Furthermore,
X-linked, one autosomal recessive disease (Patient 19). All
established fungal infection is difficult to eradicate, and
received prophylactic cotrimoxazole and itraconazole, 10
remains a significant cause of infectious mortality (Martire
received intermittent courses of IFNc, discontinued at least
et al, 2008). The Kaplan–Meier survival curves remain
3 weeks prior to transplantation. Fourteen had ‡1 invasive
unchanged, although the age at which decline begins has been
infection before HSCT affecting liver, lung, bone, brain, spleen,
postponed (Mouy et al, 1989; Jones et al, 2008; Martire et al,
kidney or blood requiring antibiotic and, in some, antifungal
2008). Surprisingly, the outcome for patients with autosomal
treatment and surgery. Three patients received granulocyte
recessive disease is similar to that of patients with X-linked-
infusions. Seven patients had previous severe lung infections,
CGD (Jones et al, 2008). Annual mortality remains 2–4%;
causing restrictive lung defects in five (Table I) and bronchi-
invasive aspergillosis accounts for more than 30% of deaths.
ectasis in two. Ten patients had colitis, three gastric outlet
(Winkelstein et al, 2000; Jones et al, 2008; Martire et al, 2008).
obstruction; two had CGD-associated urinary urgency. Colitis
Even with the best prophylactic treatment, only 50% of
was treated with prednisolone or aminosalicylate derivates.
patients are alive at 30 years (Jones et al, 2008; Martire et al,
Before HSCT, seven patients, five with colitis, had growth
2008), so alternative curative treatments are needed.
failure, with weight and height <2 Z scores (Patients 10, 14, 15,
Haematopoietic stem cell transplantation (HSCT) can cure
17–20). In a further six patients at least one growth parameter
CGD with resolution of infection and colitis. Use of T
conditioning regimens led to frequent graft failure and graft-
versus-host disease (GVHD) (Horwitz et al, 2001). The Euro-pean multi-centre experience of T lymphocyte-replete marrow
Patients were treated according to European Group for Blood
transplantation using mainly human leucocyte antigen (HLA)-
and Marrow Transplantation/European Society for Immuno-
matched sibling donors (MSD) after myeloablative condition-
deficiencies Inborn Errors Working Party guidelines (Seger
ing gave better results; 23/27 patients survived, 22 were cured
et al, 2000). The local ethics committee stated that ethical
(81%), with deaths confined to high risk patients with active
approval was not required. Patients, or parents where appro-
fungal infection (Seger et al, 2000). However, the risks and
priate, gave written informed consent before undergoing
benefits of using URD, optimal timing of HSCT and longer
treatment. Patients received cytoreductive chemotherapy in
term outcome after HSCT remained unclear. This is the largest
accordance with the European Group for Blood and Marrow
single centre report of survival and long-term outcome after
Transplantation/European Society for Immunodeficiencies
HSCT for CGD: for the first time a cohort where 50% of
Inborn Errors Working Party guidelines current at time of
patients received unrelated donor (URD) grafts is described.
transplantation. No patients received radiotherapy. Sixteenreceived myeloablative conditioning (busulphan 16 mg/kg,cyclophosphamide 200 mg/kg) with alemtuzumab (1 mg/kg)
if a non-sibling donor was used. Two patients, with activefungal infection and restrictive pulmonary disease, respec-
tively, received fludarabine 150 mg/m2, melphalan 140 mg/m2,
Between 1998 and 2007, 20 patients underwent HSCT for CGD
and alemtuzumab 1 mg/kg. One adult patient received
at the UK Northern Supra Regional HSCT Unit for Primary
alemtuzumab 2 mg/kg, fludarabine 150 mg/m2 and busulphan
Immunodeficiency, Newcastle upon Tyne. A retrospective data
8 mg/kg, the other CAMPATH 1-G (100 mg total dose),
analysis was performed to December 2007. Age at HSCT,
busulphan 16 mg/kg and melphalan 140 mg/m2. Ten patients
donor type, HLA matching, conditioning, immune-reconsti-
had active inflammatory disease and two had active fungal
tution, significant post-HSCT complications including GvHD,
growth, lung function and outcome were abstracted from
Donor and recipient HLA matching was determined by
medical records. Two further patients with CGD were assessed.
serology for the earlier five patients and low resolution class I
During this time, one adult with end stage respiratory and liver
with high resolution class II molecular DNA typing in the
disease was not offered transplantation, and the family of one
child with CGD who had a matched unrelated donor declined
Ten patients received MSD HSC (1 umbilical cord blood
stem cells, UCBSC (Bhattacharya et al, 2003)). Eight patientsreceived 10/10 HLA-identical URD HSC – 2 peripheral bloodstem cells (PBSC), six bone marrow. One patient received 9/10
HLA-matched (1 Antigen C mismatch) URD PBSC, one 9/10
Patient characteristics are shown in Tables I and II. Diagnosis
HLA-matched (1 Antigen A mismatch) URD UCBSC.
was made by neutrophil oxidative burst (NOB) measured by
All patients received cyclosporine as GvHD prophylaxis.
the nitroblue tetrazolium (NBT) assay; more recently by
Twelve received at least two doses of methotrexate 10mg/m2;
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
URD or MSD HSCT Cures CGD with Catchup Growth
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
URD or MSD HSCT Cures CGD with Catchup Growth
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ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
URD or MSD HSCT Cures CGD with Catchup Growth
four received prednisolone. All were isolated in laminar airflowfacilities, and received anti-fungal and anti-viral prophylaxis. Immunoglobulin prophylaxis was continued following HSCT,until IgM production was observed. It was then discontinued,and after a 3-month washout period, vaccination wascommenced.
Neutrophil oxidative burst and chimerism measurement
The NBT and DHR assays were used to measure NOB, aspreviously described (Mauch et al, 2007). Donor chimerismwas measured by labelling blood with anti-CD3, -CD19 or -CD15 micro beads and cell lines were separated using anautoMACSÒ automated bench-top magnetic cell sorter (Milt-enyi Biotec Ltd, Surrey, UK). Chimerism was determined aspreviously described (Routledge et al, 2007).
A Cox Proportional Hazards Survival Regression Analysis wasused to evaluate the impact of independent predictors(GvHD ‡ grade 2, pre-existing colitis, pre-existing inflamma-tory lung disease, pre-existing fungal infection, myelo-ablative
Fig 1. Kaplan–Meier survival estimates.
or reduced intensity cytoreductive chemotherapy condition-ing, matched sibling or unrelated donor stem cell source) on
Patient 20 died 1 d prior to transplantation from multiorgan
patient survival. Hazard ratios (RR) were provided with their
failure secondary to disseminated Aspergillus nidulans infec-
95% confidence interval (gb-stat PPCworks 6.5.4; Dynamic
tion, resistant to itraconazole. Necroscopy revealed fungal
Microsystems Inc, Silver Spring, MD, USA) – a value of
pericarditis, a perinephric aspergilloma, pulmonary oedema
P £ 0Æ05 was considered to be significant.
and congestion. Patient 10, with previous disseminatedScediosporum apiopsermum infection, died after discharge fromhospital, from catastrophic haemorrhage secondary to arterial
erosion by a tracheostomy tube, placed to manage post-
Median age at transplantation was 75 months (range
resolved (Gompels et al, 2002). Full donor engraftment froma matched sibling had been achieved; there was no activefungal infection documented at necroscopy. There was no
difference in mortality between patients receiving HLA-
There was one episode of serious conditioning-related toxicity,
matched sibling or unrelated donor HSC.
hepatic sinusoidal obstruction syndrome, which resolvedfollowing treatment with defibrotide. Eighteen of 20 (90%)
patients were alive 4–117 months (median 61) after HSCT(Fig 1). The median length of stay on the HSCT unit was 52 d
Nine patients experienced no GvHD. Seven had acute grades
(range 37–248). Engraftment with functioning neutrophils was
I – II skin GvHD, which resolved quickly with topical and/or
observed in all 19 transplanted patients. The NOB remained
systemic steroids and/or topical tacrolimus. Two patients had
normal or ‡70% of neutrophils in 15 patients. In two, after
significant GvHD. Patient 4 had previous hepato-biliary
initial engraftment, chimerism, as assessed by percentage of
surgery, and developed progressive hyperbilirubinaemia and
neutrophils with positive NOB, fell to 10% and 14% (Patients
transaminitis from day +8. He became icteric with a confluent
1, 2). Both received unconditioned boost marrow infusions
rash, which was confirmed histologically as GvHD. Histolog-
from the original donor, 7 and 9 months after the first HSCT
ical assessment of hepatic biopsy showed mild early chronic
respectively; subsequently the NOB was 50% and 28%
liver GvHD. Despite immunosuppression, hepatic dysfunction
respectively. One patient had a stable NOB of 45%; all
continued. Hepatic function normalized after a bile collection,
evaluable patients have normal lymphocyte counts and anti-
related to a pre-existing bile duct stricture, was surgically
body responses to vaccine antigens and remain infection-free
regardless of NOB levels. Immune reconstitution kinetics were
Patient 9, who had pre-existing colitis, developed prolonged
grade II gut and liver GvHD, requiring protracted therapy with
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
prednisolone, mycophenolate mofetil, tacrolimus and inflix-
restrictive defect, showed a slight improvement in lung
imab, which finally resolved 6 years after HSCT. He developed
function. After HSCT he had recurrent upper respiratory tract
hand tremor, mild renal dysfunction, hypertension and
infections (URTI), computerised tomography showed bron-
osteoporosis with avascular necrosis of the right hip-joint for
chiectasis; no investigation was performed before HSCT.
which he required orthopaedic intervention. He remains on
Patient 5, with pre-existing chronic lung disease, and
antihypertensive and antidepressant treatment, but is other-
bronchiectasis, continued to have URTI following HSCT,
wise well. There was no relationship between GvHD and
despite antibiotic prophylaxis. Bronchiectasis progressed, with
deteriorating lung function leading to poor exercise tolerance(FEV1 63% of predicted value).
Ten patients were affected by colitis pre HSCT; all had
complete resolution of symptoms within 8 weeks of HSCT.
Fourteen patients had no significant infectious problems. Two
Multivariate analysis did not show a significant association
patients died from complications relating to disseminated
of GvHD ‡grade 2, pre-existing colitis, pre-existing inflam-
fungal infection. Patient 9 developed grade III haemorrhagic
matory lung disease, pre-existing fungal infection, myelo-
cystitis from day )4, related to polyomavirus, requiring
ablative or reduced intensity cytoreductive chemotherapy
bladder irrigation and diathermy. Patient 14 failed to engraft
conditioning, with either donor type or with outcome.
due to incomplete myeloablation, developed Candida albicanspneumonia, which was confirmed by culture of bronchoalve-
olar lavage fluid, and which completely resolved on treatmentwith liposomal amphotericin, voriconazole and IFNc. He was
Growth was evaluated in 11 patients followed >2 years for
re-transplanted successfully and uneventfully following fully
whom there was adequate post-transplant data. The mean
myeloablative chemotherapy. Patient 15 developed haemolytic
weight for age Z score in the year preceding HSCT was )1Æ7
anaemia, thrombocytopenia and neutropenia 51 d post-HSCT,
[standard deviation, (SD) 1Æ1]. Four patients were underweight
associated with adenoviral detection in stool and blood by
prior to HSCT (weight for age Z score < 2Æ0); one was severely
polymerase chain reaction (PCR) and cytomegalovirus (CMV)
underweight (weight for age Z score )3Æ8). All patients
in blood by PCR. He responded to rituximab, immunoglob-
demonstrated weight gain by the latest review. Mean weight for
ulin, prednisolone, cyclosporine, cidofovir, valgancyclovir
age Z score at review ()0Æ16, SD 1Æ0) was significantly greater
and foscarnet. Twenty months post-HSCT he was well
than before HSCT (P < 0Æ001, paired t test) (Fig 2A).
The mean height for age Z score in the year preceding HSCT
No patients developed major infections beyond 3 months
was )1Æ7 (SD 0Æ9). At time of HSCT, patients 17 and 18, both
aged 15Æ6 years, had experienced premature growth arrest withsevere growth retardation (height for age Z score < 3Æ0). Nineothers (age range 2–17 years) had height for age Z score scores
between )0Æ75 and )1Æ75. All patients at time of latest review
Fifteen patients were alive and well more than 12 months post-
demonstrated height gain and improvement in height for age Z
HSCT (three were <1 year from HSCT), had discontinued
score. The mean height for age Z score on recovery from HSCT
immunoglobulin replacement and had normal lymphocyte
()0Æ39, SD 0Æ9) had risen significantly (P < 0Æ001) (Fig 2B).
numbers and immunoglobulin levels. Eleven patients have
Most rapid height gain was seen in adolescents who
discontinued all medication, four continue with antibiotic
experienced linear growth arrest (Patients 17, 18). Less rapid
prophylaxis for polysaccharide antibody deficiency or bron-
growth, but better final height was seen in two further
adolescents (Patients 8, 9). Excluding the dramatic catch upgrowth of patients with earlier growth arrest, the youngerpatients (aged 2–7 years) also demonstrated significant catch
up linear growth from a mean height for age Z score of )1Æ1
Spirometry was performed routinely in patients >8 years of
(pre-HSCT) to a mean height for age Z score of 0Æ0 at the most
age, and in younger patients with respiratory symptoms who
were compliant with instructions. A restrictive lung defect wasdiagnosed in four patients prior to HSCT, one of whom had
bronchiectasis. In two (Patients 7, 18), lung function remainedstable after HSCT. Respiratory function dramatically improved
Sixteen patients have normal thyroid function, two with a
after HSCT in Patient 17, from 58Æ6% to 95Æ4% forced
slightly raised anti-thyroid antibody and thyroid-stimulating
expiratory volume in one second (FEV1). In Patient 8,
hormone level. Two developed biochemical and clinical
following HSCT, lung function improved from FEV1 63% to
features of thyroid dysfunction, one requiring carbimazole
79% of predicted, despite development of mild bronchiectasis
for thyrotoxicosis and one receiving thyroxine replacement for
not previously documented. Patient 9, with a previous
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
URD or MSD HSCT Cures CGD with Catchup Growth
sequelae. There were no differences in the complications or
outcomes for recipients of matched sibling or unrelated
Fungal infection remains the most serious concern following
transplantation, implicated in the two deaths in this series,
arguing for early transplantation prior to infection. In all
survivors, CGD has been cured, with sustained NOB levels
eight Z score
above that required for normal host defence, and complete
lack of infection beyond the transplant period. It is of
particular note that no patient has experienced fungal infection
post-transplantation, despite antifungal prophylaxis being
discontinued. Furthermore, whilst there was an episode of
serious infection (pneumonia, suppurative adenitis, liver orlung abscess, septicaemia or osteomyelitis) every 3Æ9 patient
follow up years in the recently published UK and Ireland
registry series (Jones et al, 2008), there were no such infections
in 80Æ5 patient follow up years in this post-transplant series.
Chimerism and NOB continue to be monitored, but previous
experience of successful HSCT for neutrophil disorders
showed that chimerism did not change after 1-year post-
HSCT, suggesting that long-term neutrophil function will be
Height Z score –3
good (Ferry et al, 2005). This is in contra-distinction to gene
therapy for CGD, where gene silencing has occurred, with loss
of already low levels of neutrophil function (Ryser et al, 2007;
European Society of Gene Therapy (ESGT), 2006). Lymphoid
reconstitution was also good, but two patients have minor
humoral problems with failure to mount an antibody response
Fig 2. (A) Z scores for weight pre- and post- haematopoeitic stem cell
to Pneumococcus. These features together with thyroid dys-
transplantation in 11 patients followed for more than 2 years post-
function are occasionally observed after HSCT. Thyroid
transplantation for chronic granulomatous disease. (B) Z scores for
dysfunction, usually autoimmune thyroiditis, is the most
height pre- and post- haematopoeitic stem cell transplantation in 11
common long-term endocrine complication after HSCT
patients followed for more than 2 years post-transplantation for
(Slatter et al, 2004); in this series the incidence was 2/18
chronic granulomatous disease. Patient numbers identify with those inTables I and II.
(11%). There is a risk that conditioning chemotherapy willcause infertility, although long-term data are sparse, and thereare reports of successful conception in adults who previouslyreceived myelo-ablative chemotherapy as children when
undergoing HSCT for primary immunodeficiency. Of 15
The long-term survival of patients with CGD remains poor,
patients followed for more than 12 months post-transplanta-
despite prophylactic treatment having improved outcome
tion, 9 (60%) are on no medication at all with a completely
during childhood. This study analysed the outcome of 20
patients with CGD who underwent HSCT from matched
Growth failure and delay in puberty is a common feature of
sibling or unrelated donors following myelo-ablative or
CGD patients for reasons that are not fully understood. An
reduced-intensity conditioning, and showed 100% engraft-
important observation of this study was the remission of
ment in those transplanted and 90% survival. Both deaths
inflammatory colitis and subsequent catch-up growth, a
occurred in patients who had pre-existing invasive fungal
feature rarely, if ever, seen in patients treated conservatively.
infection. Transplant-associated complications were restricted
The positive benefits, normal growth and improvement in
to those with pre-existing infection or inflammation, as has
quality of life with no need for medication and only annual
previously been shown in patients transplanted for primary
visits to hospital for follow up are clear. This is in contrast to
immunodeficiency (Antoine et al, 2003; Gennery et al, 2004).
non-transplanted patients who remain on lifelong antimicro-
There was only one episode of significant conditioning
bial prophylaxis, with a continued risk of infection from
toxicity despite the use of mainly myeloablative regimens.
organisms resistant to the prophylactic agents, and who often
There was a low incidence of significant GvHD, restricted to
have frequent hospitalization with infection, inflammatory
those with pre-existing inflammation or previous surgery, an
complications and surgery (Jones et al, 2008; Martire et al,
encouraging result considering that 47% received URD HSC.
2008). A more detailed quality of life assessment between these
In all but one case, GvHD resolved with no long-term
two patient groups is planned. The information from this
ª 2009 Blackwell Publishing Ltd, British Journal of Haematology, 145, 73–83
study, combined with the good outcome with low risk of
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Allegra Vorsorge AG Firmenportrait 1 Das Unternehmen 1.1 Gründung, Domizil, Büroräumlichkeiten Die Allegra Vorsorge AG wurde am 9. Mai 2007 gegründet. Die Büroräumlichkeiten befinden sich in unmittelbarer Nähe zum Bahnhof, an der Baden-erstrasse 9 in 5200 Brugg. 1.2 Finanzierung Das Aktienkapital der Gesellschaft beträgt CHF 100'000. Es ist voll liberiert. 1.3
Original Article Efficacy of Combination Therapy with Methotrexate and Misoprostol in Termination of Pregnancy in the First Trimester Abstract Background: Induced abortion is the medical or surgical ter- mination of pregnancy before fetal viability. It has maternal or fetal indications. The aim of the present study was to evaluate the efficacy of the combination of methotr