|Uneventful octreotide LAR therapy throughout three pregnancies, with favorable delivery and anthropometric measures for each newborn: a case report.|
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|PMID: 21846347 Owner: NLM Status: PubMed-not-MEDLINE|
|INTRODUCTION: The safety of octreotide use, in its short-acting preparation, in pregnancy is still unclear. This report provides the first documentation of uneventful octreotide LAR use during three pregnancies in a woman with bronchial carcinoid-associated adrenocorticotropic hormone-dependent Cushing's syndrome.
CASE PRESENTATION: A 25-year-old Arabic woman presented to our emergency department with rapid onset of headache, flaring acne and hirsutism, facial puffiness, weight gain and paroxysmal myopathy, and paranoiac thoughts of rape and sexual intimidation. After undergoing surgical removal of a mass by left lower lung lobectomy, her residual lung disease medical therapy failed. Chronic octreotide LAR injections were initiated as indicated by a positive octreoscan.Follow-up revealed a long-lasting positive response to octreotide. Avidity of octreotide to somatostatin receptor sub-type 2 was later confirmed by a positive somatostatin receptor sub-type 2 in the resected tumor specimen. Against our instructions, the patient had three spontaneous pregnancies leading to delivery of three full-term healthy children while her octreotide LAR therapy continued.
CONCLUSION: This case adds more data supporting the potential for the safe use of octreotide and the feasibility of octreotide LAR use during pregnancy, making compliance with the patient's preference not to withdraw octreotide therapy as soon as her pregnancy is confirmed a thoughtful option.
|Deeb Daoud Naccache; Adnan Zaina; Zila Shen-Or; Michal Armoni; George Kontogeorgos; Ali Yahia|
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|Type: Journal Article Date: 2011-08-16|
|Title: Journal of medical case reports Volume: 5 ISSN: 1752-1947 ISO Abbreviation: J Med Case Rep Publication Date: 2011|
|Created Date: 2011-09-09 Completed Date: 2011-11-10 Revised Date: 2012-08-03|
Medline Journal Info:
|Nlm Unique ID: 101293382 Medline TA: J Med Case Rep Country: England|
|Languages: eng Pagination: 386 Citation Subset: -|
|Institute of Endocrinology, Diabetes and Metabolism, Rambam Health Campus and Rappaport Faculty of Medicine, Technion, Haifa, Israel. email@example.com.|
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Journal ID (nlm-ta): J Med Case Reports
Publisher: BioMed Central
Copyright ©2011 Naccache et al; licensee BioMed Central Ltd.
Received Day: 27 Month: 4 Year: 2010
Accepted Day: 16 Month: 8 Year: 2011
collection publication date: Year: 2011
Electronic publication date: Day: 16 Month: 8 Year: 2011
Volume: 5First Page: 386 Last Page: 386
Publisher Id: 1752-1947-5-386
PubMed Id: 21846347
|Uneventful octreotide LAR therapy throughout three pregnancies, with favorable delivery and anthropometric measures for each newborn: a case report|
|Deeb Daoud Naccache1||Email: firstname.lastname@example.org|
|Adnan Zaina1||Email: email@example.com|
|Zila Shen-Or1||Email: firstname.lastname@example.org|
|Michal Armoni1||Email: email@example.com|
|George Kontogeorgos2||Email: firstname.lastname@example.org|
|Ali Yahia3||Email: email@example.com|
1Institute of Endocrinology, Diabetes and Metabolism, Rambam Health Campus and Rappaport Faculty of Medicine, Technion, Haifa, Israel
2Department of Pathology, G. Gennimatas Athens General Hospital, Athens, Greece
3Department of Medicine, E. Rambam Health Campus and Rappaport Faculty of Medicine, Technion, Haifa, Israel
The safety of octreotide use during pregnancy does not lend itself to conducting a controlled prospective study. Hence, such assessment is presently dependent on case reports. Ectopic adrenocorticotropic hormone (ACTH)-dependent Cushing's syndrome associated with bronchial carcinoid is well recognized. Though infrequent, it is the leading etiology (30%) of ectopic, non-pituitary ACTH secretion (EAS) . Currently, the prognosis for patients with bronchial carcinoid EAS is good [1-4], even when it persists or manifests as multiple lesions . This outcome is in contrast to the poor prognosis attributed to this disease in the past .
When feasible, surgical removal of the causative tumor is the mainstay of treatment. Medical treatment can bridge the gap until surgery is performed or provide adjunctive long-term therapy to suppress hormonal excess of residual disease.
Medical treatments include blockers of steroid synthesis  and somatostatin analogues . In many case reports published during the past decade, somatostatin analogues were routinely discontinued once pregnancy was diagnosed. Of special interest is that these case reports comprised seven pregnant women, five of whom had pituitary acromegaly [9-13], one of whom had nesidioblastosis , and one of whom had a thyroid stimulating hormone (TSH)-producing pituitary macroadenoma , who had uneventful deliveries concomitant to octreotide therapy throughout all trimesters. Five of these women were treated with the short-acting preparation of octreotide, and in two women octreotide LAR was administered [12,15]. Until recently, only one case report described short-period (one-month) use of a long-acting somatostatin analogue preparation, lanreotide, before it was discontinued at the time of pregnancy confirmation . Herein we present the first case report describing a patient who delivered three healthy babies following three consecutive pregnancies while being treated with octreotide LAR for residual ectopic EAS.
A 25-year-old Arabic woman presented to the emergency department of our medical facility with rapid onset of headache, flaring acne and hirsutism, facial puffiness, weight gain and paroxysmal myopathy, and paranoiac thoughts of rape and sexual intimidation. Her physical examination revealed pronounced facial acne and hirsutism, oily skin, moon face, buffalo hump, and classical Cushing's syndrome purplish skin striae in the abdominal, axillary, and flank regions. Her blood pressure was 150/90 mmHg.
Table 1 presents the patient's relevant endocrine profile. High-dose (2 mg four times daily) dexamethasone failed to suppress both serum cortisol and urinary free cortisol (UFC) levels. Her serum testosterone, 5-dehydroepiandrosterone sulfate, and 17-OH progesterone levels were within normal limits. Chest computed tomography revealed a 22 mm × 15 mm × 10 mm mass in the upper segment of the left lower pulmonary lobe. No adrenal mass was detected.
She underwent a left lower lung lobectomy. The histopathological examination showed a typical carcinoid tumor without mitotic figures or necrosis and with positive immunohistochemical stains for synaptophysin, neuron-specific enolase, and chromogranin A, as well as strong positive staining for ACTH.
The patient became completely free of symptoms with abnormal, though decreasing, UFC levels. A year and a half after surgery she regained weight. Her physical examination confirmed moon face and re-darkening of previous striae. Her UFC levels were high and remained unsuppressed by either low or high doses of dexamethasone (Table 1).
Computed tomography of the chest and abdomen were normal, as was subsequent pituitary tomography. An indium-111 pentetreotide scan obtained to locate an occult focus of the carcinoid revealed a hot focus in the left lower pulmonary lobe and the upper right mediastinum. Treatment with steroid synthesis blockers was initiated.
Mediastinal and paratracheal histopathology of lymph node material obtained by performing a thoracoscopy showed a metastatic carcinoid. Following treatment with octreotide LAR 30 mg/month, she became symptom-free. Her endocrine laboratory results normalized (Table 1).
Almost three years after surgery, while undergoing octreotide LAR treatment, the patient became pregnant. She refused our recommendation to discontinue octreotide LAR therapy during the first trimester, as is routine . Rather, she insisted on continuing octreotide LAR for the duration of the pregnancy because of its effectiveness in maintaining disease remission. A healthy full-term baby was born (Table 2). Two and three years later, respectively, our patient delivered two more healthy full-term babies (Table 2). All three deliveries were by cesarean section. Octreotide LAR treatment was continued throughout this time period.
Recent routine follow-up chest tomography 10 years after the patient's initial presentation revealed normal mediastinal lymph nodes, with permanent post-surgical changes at the basal portion of the left lung. The result of a concomitant test for urine 5-hydroxyindoleacetic acid was 6.9 mg/day, which is within normal limits (1 to 7 mg/day).
An immunohistochemistry assay was performed to determine the somatostatin receptor (SSTR) sub-types in the tissue of the original carcinoid in the lung lobe as previously described . The carcinoid tumor tested positive for SSTR types 2A and 2B and negative for SSTR types 1, 3, 4, and 5. The samples taken from the lymph node metastases were inadequate for SSTR immunohistochemistry. Our patient's three babies had normal growth patterns during 128 months of follow-up (Figure 1).
In its short-acting preparation, octreotide has been used safely in humans since 1998. However, its safety during pregnancy is still uncertain. Its administration is usually stopped once pregnancy is confirmed . Information regarding its safety during pregnancy is sparse. We document the safe use of octreotide LAR (its long-acting compound) during one woman's three consecutive full-term pregnancies, all of which were uneventful and yielding healthy babies.
Octreoscan scintigraphy helps select carcinoid patients for somatostatin analogue treatment . A positive octreoscan indicates binding of the analogue for investigation (111In-diethylenetriaminepentaacetic acid-D-Phe1]octreotide) to SSTR sub-types 2, 3, and 5 . However, 18% of patients with positive octreoscan results do not respond to somatostatin analogues . It is noteworthy that patients who have a good biochemical response or disease stabilization with octreotide treatment stain positive for SSTR2. Those patients who are non-responsive are negative for SSTR2 staining . It seems that a positive response is a result of octreotide binding to SSTR2 . Though not essential for therapeutic decision making, SSTR sub-typing may elucidate our understanding of this rare and heterogeneous disease.
Octreotide crosses the placenta, where it remains stable [12,13,15,22,23]. Previously reported maternal and infant umbilical cord serum octreotide concentrations have been measured, respectively, as 1009 pg/mL vs. 353 pg/mL , a range of 4638 pg/mL to 3676 pg/mL vs. 3483 pg/mL , 890 pg/mL vs. 251 pg/mL , and a range of 2888 pg/mL to 5021 pg/mL vs. 101 pg/mL . Moreover, the half-life elimination time of octreotide approaches 350 minutes in the infant  compared to 90 to 110 minutes in adults . Fetal exposure to octreotide due to placental transfer and increased half-life in fetal serum has raised concern about its potential hazard to the fetus .
Fetuses seem to be protected from the effects of octreotide. Of primary concern are fetal growth and growth hormone (GH) levels during fetal life. During the third trimester, increasing placental GH production leads to a significant rise in insuling-like growth factor 1 (IGF-1) levels. In this regard, physiological changes in placental GH and IGF-1 were observed during octreotide therapy throughout pregnancy . Similar changes during the last part of pregnancy were reported in a woman with a TSH-producing pituitary adenoma who was undergoing octreotide treatment at the time .
Octreotide-driven suppression of GH, however, is tampered because placental SSTRs are mainly of sub-type 4, while SSTR1 remains non-functional as a result of its low affinity for octreotide . In another report, investigators found scanty binding of somatostatin and its analogues to both placental and umbilical cord diverse SSTR1 through SSTR5 , which caused the maternal-fetal barrier to sufficiently hamper the functional response of SSTR1 through SSTR5 response to octreotide.
Detection of SSTR2 in the primary tumor of our patient is in accordance with both the effectiveness of octreotide therapy and its lack of detriment to the three fetuses as assessed by their normal post-birth anthropometric measurements.
Seven cases in the literature have reported the safe and effective use of octreotide for the treatment of nesidioblastosis, acromegaly, and TSH-secreting pituitary macroadenoma throughout pregnancy. No deleterious effects on anthropometric measurements during pregnancy [10,14] or breastfeeding under octreotide treatment  have previously been observed. Only one case report described low intra-uterine growth (5th to 10th percentile) with no other unusual morphological features .
Herein we present the first case report in which octreotide LAR was used to treat carcinoid-associated Cushing's syndrome during pregnancy. Additional case reports are needed to verify the safety of octreotide and octreotide LAR therapy during pregnancy.
First, our report demonstrates increased evidence for the safety of octreotide treatment throughout pregnancy in addition to that described in the seven previous case reports of safe octreotide therapy, using short- or long-acting preparations, during pregnancy. Second, it supports the effectiveness of octreotide LAR for bronchial carcinoid-associated EAS. Third, it supports the correlation between a good response to somatostatin analogue therapy and the presence of SSTR2 in the diseased target tissue. Fourth, it demonstrates the safe use of octreotide LAR throughout pregnancy and after birth on the basis of the anthropometric data of three babies to the age of two years and older.
"Soon after the disease remission I realized that I resumed my health. I felt powerful enough to challenge the illness and overcome it. Establishing a family was my desire and inspiration. In my opinion having and growing babies, is a clear declaration that I won the combat! I wanted to see them leaving to the kindergarten with bags on their shoulder, exactly the same way other mothers say 'Bye bye' to their children. My father unconditionally supported me; he even stopped smoking for the sake of the first baby's health. The first success with treatment drove me to another two, thank God. All I need is a routine visit to the clinic, and doing some analysis. So what if all I need is a tiny injection every month!?"
ACTH: adrenocorticotropic hormone; EAS: ectopic ACTH secretion; SSTR: somatostatin receptor.
Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
The authors declare that they have no competing interests.
DDN was the attending physician in the out-patient clinic and the attending endocrinologist while the patient was in the hospital. He also drafted and edited the manuscript and obtained the patient's consent and perspective. AZ searched for previous relevant cases in the literature and reviewed and edited the manuscript. ZSO analyzed the laboratory samples obtained throughout the investigation and follow-up period. MA created the figures and reviewed the anthropometric data. GK performed the somatostatin sub-typing in the pathological material. AY was the attending physician while the patient was hospitalized twice during the course of her disease. All authors read and approved the final manuscript.
The authors express their gratitude to Prof Eddy Karnieli for his critical reading of the manuscript and for his remarks, as well as to his administrative assistant, Margalit Levi, who was helpful in editing the manuscript.
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[Figure ID: F1]
Anthropometric measures of the patient's three children. (A) Body length. (B) Head circumference. (C) Body weight.
Patient's endocrine-biochemical laboratory testsa
|Test||Baseline||1 month post-surgery||Recurrence 15 months||Steroid blocker treatment 20 months||Octreotide LAR treatment 102 months|
|Plasma cortisol, nmol/L*||1700||1193||> 1379||495||219|
|Urinary free cortisol**||1994||2952||5171||1107||120|
aACTH, adrenocorticotropic hormone; 5-HIAA, 5-hydroxyindoleacetic acid; *normal range 138 to 690 nmol/24 hours; **normal range 55 to 248 nmol/24 hours; †normal range 4.4 to 17.6 pmol/L; ††normal range 0 to 10 pmol/L; ‡normal range 1 to 84 mg/g creatinine.
Data regarding patient's three pregnancies
|Pregnancy||Age at delivery, years||Delivery, weeks||Weight, g||Apgar score|
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