Trial Outcomes & Findings for Retrospective Study of Patients Who Were Treated With Fondaparinux Pre-, Peri- and/or Postpartum for Prophylaxis or Treatment of Venous Thromboembolism (NCT NCT01004939)

NCT ID: NCT01004939

Last Updated: 2011-08-26

Results Overview

The prenatal interval is defined as the interval of time until 3 days before birth. The perinatal interval is defined as the interval of time from 2 days before birth to one day after birth. The postnatal interval is defined as the interval of time beginning 2 days after birth.

Recruitment status

COMPLETED

Target enrollment

120 participants

Primary outcome timeframe

4 months (all cases occurred between 2004 and 2010)

Results posted on

2011-08-26

Participant Flow

Participant milestones

Participant milestones
Measure
Fondaparinux
Retrospective systematic documentation of female participants treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Overall Study
STARTED
120
Overall Study
COMPLETED
120
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Retrospective Study of Patients Who Were Treated With Fondaparinux Pre-, Peri- and/or Postpartum for Prophylaxis or Treatment of Venous Thromboembolism

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female participants treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Age Continuous
31.5 Years
STANDARD_DEVIATION 5.4 • n=5 Participants
Sex: Female, Male
Female
120 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
Body Mass Index (BMI)
26.5 kilograms (kg)/meters squared (m^2)
STANDARD_DEVIATION 6.2 • n=5 Participants
Number of participants with the indicated anamnestic thromboembolisms
None
79 participants
n=5 Participants
Number of participants with the indicated anamnestic thromboembolisms
Arterial only
0 participants
n=5 Participants
Number of participants with the indicated anamnestic thromboembolisms
Venous only
39 participants
n=5 Participants
Number of participants with the indicated anamnestic thromboembolisms
Both arterial and venous
2 participants
n=5 Participants
Number of participants with known thrombophilia
None
20 participants
n=5 Participants
Number of participants with known thrombophilia
Protein C deficiency
5 participants
n=5 Participants
Number of participants with known thrombophilia
Protein S deficiency
10 participants
n=5 Participants
Number of participants with known thrombophilia
Antithrombin deficiency
2 participants
n=5 Participants
Number of participants with known thrombophilia
Factor V Leiden mutation heterozygous
13 participants
n=5 Participants
Number of participants with known thrombophilia
Factor V Leiden mutation homozygous
0 participants
n=5 Participants
Number of participants with known thrombophilia
Prothrombin mutation heterozygous
13 participants
n=5 Participants
Number of participants with known thrombophilia
Prothombin mutation homozygous
0 participants
n=5 Participants
Number of participants with known thrombophilia
Antiphospholipid syndrome
15 participants
n=5 Participants
Number of participants with known thrombophilia
Persistant factor VIII increase
4 participants
n=5 Participants
Number of participants with known thrombophilia
Factor VII activating protease (FSAP)
6 participants
n=5 Participants
Number of participants with known thrombophilia
Factor VII C46T
18 participants
n=5 Participants
Number of participants with known thrombophilia
Other
46 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
None
75 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Previous oral contraception
11 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Hormonotherapy in in-vitro fertilization
10 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Other supportive gynaecological treatments
8 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Malignant underlying disease
3 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Adiposity (BMI>=30)
12 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Smoking
11 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Alcohol
1 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Drug abuse
1 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Chronic inflammatory disease
3 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Serious systemic infection
3 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Immobilization
5 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Diabetes mellitus
2 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Hypercholesteremia
3 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Hypertonia
5 participants
n=5 Participants
Number of participants with the indicated risk factors for venous thromboembolism
Other
5 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
Missing
1 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
0
35 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
1
43 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
2
19 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
3
15 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
4
3 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
5
2 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
6
1 participants
n=5 Participants
Number of participants with the indicated number of former pregnancies
10
1 participants
n=5 Participants
Number of participants with the indicated type of former birth
Missing data
59 participants
n=5 Participants
Number of participants with the indicated type of former birth
All former births
61 participants
n=5 Participants
Number of participants with the indicated type of former birth
Still births
6 participants
n=5 Participants
Number of participants with the indicated type of former birth
Live births
56 participants
n=5 Participants
Number of participants with the indicated type of former birth
Healthy children
51 participants
n=5 Participants
Number of participants with the indicated type of former birth
Children with abnormalities
1 participants
n=5 Participants
Number of participants who indicated that they did or did not have former abortions
Total
85 participants
n=5 Participants
Number of participants who indicated that they did or did not have former abortions
Yes
32 participants
n=5 Participants
Number of participants who indicated that they did or did not have former abortions
No
51 participants
n=5 Participants
Number of participants who indicated that they did or did not have former abortions
Missing data
2 participants
n=5 Participants
Number of participants with the indicated number of former abortions
Total
51 participants
n=5 Participants
Number of participants with the indicated number of former abortions
1
27 participants
n=5 Participants
Number of participants with the indicated number of former abortions
2
16 participants
n=5 Participants
Number of participants with the indicated number of former abortions
3
2 participants
n=5 Participants
Number of participants with the indicated number of former abortions
4
2 participants
n=5 Participants
Number of participants with the indicated number of former abortions
6
1 participants
n=5 Participants
Number of participants with the indicated number of former abortions
Missing data
3 participants
n=5 Participants
Number of participants undergoing either prophylaxis or therapy
Prophylaxis
111 participants
n=5 Participants
Number of participants undergoing either prophylaxis or therapy
Therapy
11 participants
n=5 Participants
Number of participants receiving the indicated type of prophylactic treatment
Prophylaxis: thromboembolic risk
99 participants
n=5 Participants
Number of participants receiving the indicated type of prophylactic treatment
Prophylaxis: surgery
5 participants
n=5 Participants
Number of participants receiving the indicated type of prophylactic treatment
Prophylaxis: internal medicine
31 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Data missing
1 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Therapy: deep vein thrombosis
7 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Therapy: pulmonary embolism
3 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Peripheral arterial disease
0 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Acute coronary syndrome
0 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Alternative anticoagulation at atrial fibrilation
0 participants
n=5 Participants
Number of participants receiving therapeutic treatment for the given indications
Alternative anticoagulation at heart valve
1 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
Thrombophilia
82 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
VTE in anamnesis
33 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
Women with >=2 risk factors
9 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
Long-time anticoagulation with oral anticoagulants
4 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
Antiphospholipid syndrome
14 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
Antithrombine deficiency
3 participants
n=5 Participants
Number of participants receiving thromboembolic prophylaxis for the given indications
Acute VTE during pregnancy
1 participants
n=5 Participants
Number of participants with thrombophilia accompanied by venous thromboembolism (VTE) in anamnesis
Total
82 participants
n=5 Participants
Number of participants with thrombophilia accompanied by venous thromboembolism (VTE) in anamnesis
Missing
2 participants
n=5 Participants
Number of participants with thrombophilia accompanied by venous thromboembolism (VTE) in anamnesis
Without VTE in anamnesis
58 participants
n=5 Participants
Number of participants with thrombophilia accompanied by venous thromboembolism (VTE) in anamnesis
With VTE in anamnesis
22 participants
n=5 Participants
Number of participants who did and did not receive UFH
Did not receive UFH
117 participants
n=5 Participants
Number of participants who did and did not receive UFH
Received UFH
3 participants
n=5 Participants
Duration of UFH administration
32 days
n=5 Participants
Number of participants with the indicated reason for the end of UFH administration
End of thromboembolism prophylaxis/therapy
1 participants
n=5 Participants
Number of participants with the indicated reason for the end of UFH administration
Change to another antithrombotic agent
0 participants
n=5 Participants
Number of participants with the indicated reason for the end of UFH administration
Thrombocytopenia
0 participants
n=5 Participants
Number of participants with the indicated reason for the end of UFH administration
Allergy to heparin
2 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Total
120 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Missing
45 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Enoxaparin
28 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Nadroparin
21 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Dalteparin
35 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Certoparin
1 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Tinzaparin
0 participants
n=5 Participants
Number of participants receiving the indicated type of low-molecular-weight heparin (LMWH)
Reviparin
0 participants
n=5 Participants
Duration of LMWH administration
54 days
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
Total
120 participants
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
Missing
44 participants
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
End of thromboembolism prophylaxis/therapy
3 participants
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
Change to another antithrombotic agent
44 participants
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
Thrombocytopenia
7 participants
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
Allergy to heparin
39 participants
n=5 Participants
Number of participants with the indicated reason for the end of LMWH administration
Other
19 participants
n=5 Participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

The prenatal interval is defined as the interval of time until 3 days before birth. The perinatal interval is defined as the interval of time from 2 days before birth to one day after birth. The postnatal interval is defined as the interval of time beginning 2 days after birth.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Prenatal only
6 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Perinatal only
0 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Postnatal only
1 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Prenatal and Perinatal
3 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Perinatal and Postnatal
1 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Prenatal and Postnatal
2 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Prenatal, Perinatal, and Postnatal
97 participants
Number of Participants Receiving Fondaparinux in the Indicated Therapy Intervals
Unknown
10 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

It was possible for a participant to have changed to fondaparinux for multiple reasons.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With the Indicated Reason for Change to Fondaparinux
Heparin-induced thrombocytopenia (HIT)
12 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
Allergy to heparin
50 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
Other intolerances
3 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
Lack of compliance
3 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
Fix dose
0 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
No monitoring of thrombocyte count necessary
16 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
Medical decision because of other reasons
42 participants
Number of Participants With the Indicated Reason for Change to Fondaparinux
Other reasons
47 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants Administered the Indicated Dose of Fondaparinux Per Day
Dose missing
2 participants
Number of Participants Administered the Indicated Dose of Fondaparinux Per Day
2.5 milligrams (mg)
94 participants
Number of Participants Administered the Indicated Dose of Fondaparinux Per Day
5 mg
16 participants
Number of Participants Administered the Indicated Dose of Fondaparinux Per Day
5 mg until delivery, followed by 2.5 mg
1 participants
Number of Participants Administered the Indicated Dose of Fondaparinux Per Day
7.5 mg
3 participants
Number of Participants Administered the Indicated Dose of Fondaparinux Per Day
10 mg
4 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=101 participants with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=101 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration of Fondaparinux Administration
131 days
Interval 2.0 to 1392.0

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=99 participants with non-missing data.

The prenatal interval is defined as the interval of time until 3 days before birth.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=99 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration of Prenatal Fondaparinux Administration
130 days
Interval 5.0 to 468.0

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=90 participants with non-missing data.

The postnatal interval is defined as the interval of time beginning 2 days after birth.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=90 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration of Postnatal Fondaparinux Administration
23 days
Interval 11.0 to 41.0

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants for Whom Fondaparinux Administration Was Interrupted for Birth
Missing data
9 participants
Number of Participants for Whom Fondaparinux Administration Was Interrupted for Birth
Not interrupted
20 participants
Number of Participants for Whom Fondaparinux Administration Was Interrupted for Birth
Interrupted
91 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=45 participants with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=45 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Hours Before Birth That the Last Fondaparinux Dose Was Administered
34.6 hours
Standard Deviation 10.8

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=86 participants with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=86 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Hours After Birth at Which Fondaparinux Administration Was Restarted
11.3 hours
Standard Deviation 5.2

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

It is possible that a participant stopped receiving Fondaparinux for multiple reasons.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With the Indicated Reason for the End of Fondaparinux Administration
Missing data
18 participants
Number of Participants With the Indicated Reason for the End of Fondaparinux Administration
End of thromboembolism prophylaxis/therapy
94 participants
Number of Participants With the Indicated Reason for the End of Fondaparinux Administration
Change to another antithrombotic agent
6 participants
Number of Participants With the Indicated Reason for the End of Fondaparinux Administration
Thrombocytopenia (HIT II)
0 participants
Number of Participants With the Indicated Reason for the End of Fondaparinux Administration
Allergic reaction
0 participants
Number of Participants With the Indicated Reason for the End of Fondaparinux Administration
Other reasons
5 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With the Indicated Outcome of Pregnancy by Type of Birth
Missing data
11 participants
Number of Participants With the Indicated Outcome of Pregnancy by Type of Birth
Spontaneous
71 participants
Number of Participants With the Indicated Outcome of Pregnancy by Type of Birth
Induced
3 participants
Number of Participants With the Indicated Outcome of Pregnancy by Type of Birth
Caesarian section
34 participants
Number of Participants With the Indicated Outcome of Pregnancy by Type of Birth
Induced/Caesarian section
1 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With the Indicated Type of Conception/Fertilization
Missing
2 participants
Number of Participants With the Indicated Type of Conception/Fertilization
Normal conception
107 participants
Number of Participants With the Indicated Type of Conception/Fertilization
Induced pregnancy with normal conception
1 participants
Number of Participants With the Indicated Type of Conception/Fertilization
In-vitro fertilization
10 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants Who Delivered a Single Child Versus Twins
Single child
116 participants
Number of Participants Who Delivered a Single Child Versus Twins
Twins
4 participants

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Newborns of pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. A total of 124 newborns were born to 120 women; 4 women bore twins. n=63 newborns with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=63 newborns
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Mean Weight of Newborn
3042 grams
Standard Deviation 662.6

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Newborns of pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. A total of 124 newborns were born to 120 women; 4 women bore twins. n=37 newborns with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=37 newborns
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Mean Height of Newborn
49.6 centimeters
Standard Deviation 3.8

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Newborns of pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. A total of 124 newborns were born to 120 women; 4 women bore twins. n=27 newborns with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=27 newborns
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Mean Head Circumference of Newborn
34 centimeters
Standard Deviation 2.2

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Newborns of pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. A total of 124 newborns were born to 120 women; 4 women bore twins. n=26 (1 min) or n=27 (5 and 10 min) newborns with non-missing data.

APGAR is a test performed by a doctor, midwife, or nurse at 1 and 5 minutes after birth. The 1-minute score determines how well the baby tolerated the birthing process; the 5-minute score assesses how well the newborn is adapting to the new environment. The health care provider examines the baby's breathing effort, heart rate, muscle tone, reflexes, and skin color. Each category is scored with 0 (worst score), 1, or 2 (best score), depending on the observed condition. The rating is based on a total score of 1-10, with 10 suggesting the healthiest infant.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=27 newborns
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Mean APGAR Score at 1, 5, and 10 Minutes After Birth
after 1 min, n=26
8.6 scores on a scale
Standard Deviation 0.9
Mean APGAR Score at 1, 5, and 10 Minutes After Birth
after 5 min, n=27
9.1 scores on a scale
Standard Deviation 0.7
Mean APGAR Score at 1, 5, and 10 Minutes After Birth
after 10 min, n=27
9.6 scores on a scale
Standard Deviation 0.5

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Newborns of pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. A total of 124 newborns were born to 120 women; 4 women bore twins.

A "healthy" documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=124 newborns
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Newborns Who Had a "Healthy" Postnatal Classification
Missing data
10 newborns
Number of Newborns Who Had a "Healthy" Postnatal Classification
Healthy
110 newborns
Number of Newborns Who Had a "Healthy" Postnatal Classification
Not healthy
4 newborns

PRIMARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Newborns of pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

No formal definition for abnormalities was predetermined; documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=124 newborns
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Newborns With Abnormalities
Missing data
10 newborns
Number of Newborns With Abnormalities
No abnormalities
114 newborns

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Thromboembolic treatment is a defined as prophylaxis for an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants Hospitalized Because of Thromboembolic Treatment
Total
120 participants
Number of Participants Hospitalized Because of Thromboembolic Treatment
Not hospitalized
102 participants
Number of Participants Hospitalized Because of Thromboembolic Treatment
Hospitalized
18 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=9 participants with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=9 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration of All Hospitalizations Under UFH, LMWH, and Fondaparinux Administration
5 days
Interval 2.0 to 28.0

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=3 participants (before Fondaparinux), n=5 participants (during Fondaparinux), and n=1 participant (after Fondaparinux) with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=5 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration of Hospitalizations Before, During, and After Fondaparinux Administration
Before Fondaparinux, n=3
10 days
Interval 2.0 to 28.0
Duration of Hospitalizations Before, During, and After Fondaparinux Administration
During Fondaparinux, n=5
5 days
Interval 2.0 to 10.0
Duration of Hospitalizations Before, During, and After Fondaparinux Administration
After Fondaparinux, n=1
2 days
Interval 2.0 to 2.0

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

A complication is defined as any thromoemolism, bleeding, skin change, HIT, amputation, or other complication (as indicated by investigator).

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Complications Under UFH/LMWH Therapy
Total
120 participants
Number of Participants With Complications Under UFH/LMWH Therapy
Missing data
40 participants
Number of Participants With Complications Under UFH/LMWH Therapy
No complications
31 participants
Number of Participants With Complications Under UFH/LMWH Therapy
Complications
49 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Any sign of thromboembolism as indicated by investigator was measured.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Thromboembolisms Under UFH/LMWH Therapy
Total
120 participants
Number of Participants With Thromboembolisms Under UFH/LMWH Therapy
No thromboembolism or missing data
118 participants
Number of Participants With Thromboembolisms Under UFH/LMWH Therapy
Thromboembolisms
2 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

No formal definition for bleeding was predetermined; documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Bleedings Under UFH/LMWH Therapy
Total
120 participants
Number of Participants With Bleedings Under UFH/LMWH Therapy
No bleeding or missing data
118 participants
Number of Participants With Bleedings Under UFH/LMWH Therapy
Bleeding
2 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

No formal definition for skin change was predetermined; documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Skin Changes Under UFH/LMWH Therapy
Total
120 participants
Number of Participants With Skin Changes Under UFH/LMWH Therapy
No skin changes or missing data
80 participants
Number of Participants With Skin Changes Under UFH/LMWH Therapy
Skin changes
40 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=27 participants with non-missing data.

No formal definition for skin change was predetermined; documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=27 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration From Start of UFH/LMWH Therapy to Skin Change
42 days
Interval 3.0 to 134.0

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. Only participants exhibiting skin changes are included in this analysis.

Erythema is defined as inflammation of the skin, associated with reddening, and is a frequent side effect of heparins.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=40 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants Who Exhibited Observed Skin Changes and Also Had Erythema Associated With the Skin Changes Under UFH/LMWH Therapy
Total
40 participants
Number of Participants Who Exhibited Observed Skin Changes and Also Had Erythema Associated With the Skin Changes Under UFH/LMWH Therapy
No erythema or missing data
4 participants
Number of Participants Who Exhibited Observed Skin Changes and Also Had Erythema Associated With the Skin Changes Under UFH/LMWH Therapy
Erythema
36 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. Only participants exhibiting skin changes are included in this analysis.

Skin necrosis is defined as the dying off of skin area because of allergic reaction. Skin necrosis is a severe side effect of heparins.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=40 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants Who Exhibited Observed Skin Changes and Also Had Skin Necrosis Associated With the Skin Changes Under UFH/LMWH Therapy
Total
40 participants
Number of Participants Who Exhibited Observed Skin Changes and Also Had Skin Necrosis Associated With the Skin Changes Under UFH/LMWH Therapy
No skin necrosis or missing data
32 participants
Number of Participants Who Exhibited Observed Skin Changes and Also Had Skin Necrosis Associated With the Skin Changes Under UFH/LMWH Therapy
Skin necrosis
8 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

HIT II is characterized as a sudden decrease of thrombocyte count because of allergic response on heparin/platelet factor 4 (PF-4) complexes and is a severe and potentially fatal side effect of heparins. Usually, HIT occurs between Day 5 and Day 14 of exposure to UFH or LMWH.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Heparin-induced Thrombocytopenia (HIT II) Under UFH/LMWH Therapy
Total
120 participants
Number of Participants With Heparin-induced Thrombocytopenia (HIT II) Under UFH/LMWH Therapy
No HIT II or missing data
111 participants
Number of Participants With Heparin-induced Thrombocytopenia (HIT II) Under UFH/LMWH Therapy
HIT II
9 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010; n=8 participants with non-missing data.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=8 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration From Start of UFH/LMWH Therapy to HIT
27.5 days
Interval 3.0 to 576.0

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

A complication is defined as any thromoemolism, bleeding, skin change, HIT, amputation, death, or other complication (as indicated by investigator).

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With and Without Complications Under Fondaparinux Therapy
Total
120 participants
Number of Participants With and Without Complications Under Fondaparinux Therapy
No complications or missing data
111 participants
Number of Participants With and Without Complications Under Fondaparinux Therapy
Complications
9 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

Any sign of thromboembolism as indicated by investigator was measured.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Thromboembolisms Under Fondaparinux Therapy
Total
120 participants
Number of Participants With Thromboembolisms Under Fondaparinux Therapy
Either missing data or no thromboembolisms
120 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

No formal definition for bleeding was predetermined; documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Bleedings Under Fondaparinux Therapy
Total
120 participants
Number of Participants With Bleedings Under Fondaparinux Therapy
No bleedings or missing data
118 participants
Number of Participants With Bleedings Under Fondaparinux Therapy
Bleedings
2 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

No formal definition for skin change was predetermined; documentation was based on the investigators' individual assessment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Skin Changes Under Fondaparinux Therapy
Total
120 participants
Number of Participants With Skin Changes Under Fondaparinux Therapy
No skin changes or missing data
120 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010

The participant with HIT II was pretreated with LMWH; however, the serious adverse event of HIT II was documented after the participant switched to Fondaparinux treatment.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=120 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Number of Participants With Heparin-induced Thrombocytopenia (HIT II) Under Fondaparinux Therapy
Total
120 participants
Number of Participants With Heparin-induced Thrombocytopenia (HIT II) Under Fondaparinux Therapy
No HIT II or missing data
119 participants
Number of Participants With Heparin-induced Thrombocytopenia (HIT II) Under Fondaparinux Therapy
HIT II
1 participants

SECONDARY outcome

Timeframe: 4 months (all cases occurred between 2004 and 2010)

Population: Pregnant women who received prophylaxis because of an elevated thromboembolic risk or therapeutic treatment of acute thromboembolism between the years of 2004 and 2010. Only one participant developed HIT after receiving Fondaparinux; thus, rather than presenting median data, data are presented as the number of days from start of therapy to HIT.

For the 1 participant who developed HIT after receiving Fondaparinux, the number of days from start of therapy to HIT is presented.

Outcome measures

Outcome measures
Measure
Fondaparinux
n=1 Participants
Retrospective systematic documentation of female patients treated with Fondaparinux during pregnancy and/or postpartum. The potential prophylactic dose was 1.5 or 2.5 milligrams (mg); the standard prophylactic dose was 2.5 mg. The potential therapeutic dose was 5, 7.5, or 10 mg. Higher than recommended doses could have been administered off label.
Duration From Start of Fondaparinux Therapy to HIT
15 days

Adverse Events

Fondaparinux - Mother

Serious events: 9 serious events
Other events: 6 other events
Deaths: 0 deaths

Fondaparinux - Child

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Fondaparinux - Mother
n=120 participants at risk
Events reported for mothers receiving Fondaparinux
Fondaparinux - Child
n=124 participants at risk
Events reported for children (including 4 twins) born to mothers receiving Fondaparinux
Reproductive system and breast disorders
Vaginal haemorrhage
3.3%
4/120
0.00%
0/124
Gastrointestinal disorders
Abdominal wall haematoma
0.83%
1/120
0.00%
0/124
Pregnancy, puerperium and perinatal conditions
Abortion
0.83%
1/120
0.00%
0/124
Surgical and medical procedures
Abortion induced
0.83%
1/120
0.00%
0/124
Vascular disorders
Haemorrhage
0.83%
1/120
0.00%
0/124
General disorders
Heparin-induced thrombocytopenia
0.83%
1/120
0.00%
0/124
Pregnancy, puerperium and perinatal conditions
Premature baby
0.83%
1/120
0.00%
0/124
Pregnancy, puerperium and perinatal conditions
Premature labour
0.83%
1/120
0.00%
0/124
Congenital, familial and genetic disorders
Trisomy 18
0.00%
0/120
0.81%
1/124
Investigations
Transaminases increased
0.00%
0/120
0.00%
0/124
Pregnancy, puerperium and perinatal conditions
Stillbirth
0.83%
1/120
0.00%
0/124

Other adverse events

Other adverse events
Measure
Fondaparinux - Mother
n=120 participants at risk
Events reported for mothers receiving Fondaparinux
Fondaparinux - Child
n=124 participants at risk
Events reported for children (including 4 twins) born to mothers receiving Fondaparinux
Immune system disorders
Drug hypersensitivity
5.0%
6/120
0.00%
0/124

Additional Information

GSK Response Center

GlaxoSmithKline

Phone: 866-435-7343

Results disclosure agreements

  • Principal investigator is a sponsor employee GSK agreements may vary with individual investigators, but will not prohibit any investigator from publishing. GSK supports the publication of results from all centers of a multi-center trial but requests that reports based on single-site data not precede the primary publication of the entire clinical trial.
  • Publication restrictions are in place

Restriction type: OTHER