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Recruiting difficulties
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| Name | Class |
|---|---|
| Bispebjerg Hospital | OTHER |
| Aarhus University Hospital | OTHER |
| Herlev and Gentofte Hospital | OTHER |
| Hvidovre University Hospital |
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The aim is to investigate the efficacy of mirtazapine and ondansetron as treatment for hyperemesis gravidarum(HG).
The setup is a double-blind multicenter trial where patients suffering from HG will be randomized to treatment with either mirtazapine, ondansetron or placebo (1:1:1).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mirtazapine | Experimental | Mirtazapine 15 mg oral tablet (incapsulated in gelatine to provide blinding) will be administered once daily (bedtime) for 7 days. Placebo (empty gelatine capsule) will be administered once daily (morning). On Day 7 dosage increase is optional. If desired, mirtazapine 30 mg oral tablet (incapsulated in gelatine) will be administered once daily (bedtime) for 7 days. Placebo (empty gelatine capsule) will be administered three times daily (morning, noon and late afternoon). In case dosage increase is not desired, the subject will continue the initial treatment for an additional 7 days. |
|
| Ondansetron | Experimental | Ondansetron 8 mg oral tablet (incapsulated in gelatine) will be administered twice daily (morning and bedtime) for 7 days. On Day 7 dosage increase is optional. If desired, ondansetron 8 mg oral tablet (incapsulated in gelatine) will be administered four times daily (morning, noon, late afternoon and bedtime) for 7 days. In case dosage increase is not desired, the subject will continue the initial treatment for an additional 7 days. |
|
| Placebo | Placebo Comparator | Placebo oral tablet (empty gelatine capsule) will be administered twice daily (morning and bedtime) for 7 days. On Day 7 dosage increase is optional. If desired, placebo oral tablet (empty gelatine capsule) will be administered four times daily (morning, noon, late afternoon and bedtime) for 7 days. In case dosage increase is not desired, the subject will continue the initial treatment for an additional 7 days. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mirtazapine | Drug | Mirtazapine 15 mg oral tablet (incapsulated in gelatine to provide blinding) will be administered once daily (bedtime) for 7 days. Placebo (empty gelatine capsule) will be administered once daily (morning). On Day 7 dosage increase is optional. If desired, mirtazapine 30 mg oral tablet (incapsulated in gelatine) will be administered once daily (bedtime) for 7 days. Placebo (empty gelatine capsule) will be administered three times daily (morning, noon and late afternoon). In case dosage increase is not desired, the subject will continue the initial treatment for an additional 7 days. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in nausea and vomiting from baseline to Day 2 (short term) in the mirtazapine group versus the placebo group. | Change in Pregnancy Unique Quantification of Emesis 24 score (PUQE-24 score) (patient reported) from baseline to Day 2 (short term) in the mirtazapine group versus the placebo group. PUQE-24 score ranges 3-15 with 3 being better and 15 being worse. | 2 days |
| Change in nausea and vomiting from baseline to Day 2 (short term) in the ondansetron group versus the placebo group. | Change in PUQE-24 score (patient reported) from baseline to Day 2 (short term) in the ondansetron group versus the placebo group. | 2 days |
| Change in nausea and vomiting from baseline to Day 14(+/-1) (long term) in the mirtazapine group versus the placebo group. | Change in PUQE-24 score (patient reported) from baseline to Day 14(+/-) (long term) in the mirtazapine group versus the placebo group. Only tested if outcome 1 is significant. | 14 days |
| Change in nausea and vomiting from baseline to Day 14(+/-1) (long term) in the ondansetron group versus the placebo group. | Change in PUQE-24 score (patient reported) from baseline to Day 14(+/-) (long term) in the ondansetron group versus the placebo group. Only tested if outcome 2 is significant. | 14 days |
| Change in nausea and vomiting from baseline to Day 2 (short term) in the mirtazapine group versus the ondansetron group. | Change in PUQE-24 score (patient reported) from baseline to Day 2 (short term) in the mirtazapine group versus the ondansetron group. Only tested if outcome 1 is significant. | 2 days |
| Measure | Description | Time Frame |
|---|---|---|
| Change in nausea and vomiting from baseline to Day 14(+/-1) in the mirtazapine group versus the ondansetron group. | Change in PUQE-24 score (patient reported) from baseline to Day 14(+/-1) in the mirtazapine group versus the ondansetron group. | 14 days |
| Overall nausea and vomiting during the intervention in the three different groups. |
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Inclusion Criteria:
Written informed consent obtained before any trial related procedures are performed
Female age >18 years
Pregnant woman with gestational age between 5+0 and 19+6
Nausea and vomiting without other obvious reason
PUQE-24 score ≥13 OR PUQE-24 score ≥7 AND
Singleton pregnancy
The subject must be willing and able to comply with trial protocol
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Anne Ostenfeld, MD | Department of Obstetrics and gynecology, Nordsjællands Hospital Hillerød | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Gynaecology and Obstetrics, Aarhus University Hospital | Aarhus | 8200 | Denmark | |||
| Department of Gynaecology and Obstetrics, Rigshospitalet |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41478546 | Derived | Ostenfeld A, Carlsen SE, Jensen AK, Futtrup TB, Westergaard HB, Pedersen LH, Andersen JT, Petersen TS, Lokkegaard ECL; VOMIT investigation group. Mirtazapine or ondansetron for hyperemesis gravidarum: a randomized placebo-controlled trial. Am J Obstet Gynecol. 2026 Jun;234(6):1700-1729. doi: 10.1016/j.ajog.2025.12.061. Epub 2025 Dec 30. | |
| 32209630 |
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Access to patient level data and supporting clinical documents may be requested. Requests will be reviewed on the basis of methodological proposal. Patient data will be de-identified to protect the privacy of trial patients in line with applicable laws and regulations.
Following publication, no end date.
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot | Yes | No | No | Study Protocol: Current version | May 1, 2022 | Jun 3, 2022 | Prot_000.pdf |
| Prot | Yes | No | No | Study Protocol: Original version | Dec 5, 2018 | Jun 3, 2022 | Prot_001.pdf |
| SAP | No | Yes | No | Statistical Analysis Plan: Current version | Apr 1, 2022 | Jun 3, 2022 | SAP_002.pdf |
| SAP | No | Yes | No | Statistical Analysis Plan: Original version | Sep 14, 2018 | Jun 3, 2022 | SAP_003.pdf |
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| ID | Term |
|---|---|
| D006939 | Hyperemesis Gravidarum |
| D009325 | Nausea |
| ID | Term |
|---|---|
| D048968 | Morning Sickness |
| D011248 | Pregnancy Complications |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
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| ID | Term |
|---|---|
| D000078785 | Mirtazapine |
| D017294 | Ondansetron |
| ID | Term |
|---|---|
| D003984 | Dibenzazepines |
| D006575 | Heterocyclic Compounds, 3-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
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| OTHER |
| Odense University Hospital | OTHER |
| Rigshospitalet, Denmark | OTHER |
| Regionernes Medicinpulje | UNKNOWN |
| Kolding Sygehus | OTHER |
Randomized placebo controlled multicenter trial testing already marketed drugs on a new indication.
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All oral tablets will be encapsulated in gelatine to ensure identical look, smell and taste.
|
|
| Ondansetron | Drug | Ondansetron 8 mg oral tablet (incapsulated in gelatine) will be administered twice daily (morning and bedtime) for 7 days. On Day 7 dosage increase is optional. If desired, ondansetron 8 mg oral tablet (incapsulated in gelatine) will be administered four times daily (morning, noon, late afternoon and bedtime) for 7 days. In case dosage increase is not desired, the subject will continue the initial treatment for an additional 7 days. |
|
|
| Placebo | Drug | Placebo oral tablet (empty gelatine capsule) will be administered twice daily (morning and bedtime) for 7 days. On Day 7 dosage increase is optional. If desired, placebo oral tablet (empty gelatine capsule) will be administered four times daily (morning, noon, late afternoon and bedtime) for 7 days. In case dosage increase is not desired, the subject will continue the initial treatment for an additional 7 days. |
|
|
Area under the curve for PUQE-24 score (patient reported) during the intervention in the three different groups. |
| 14 days |
| Change in well-being during the intervention in the three different groups. | Change in PUQE well-being score (patient reported) during the intervention in the three different groups. | 14 days |
| Change in nausea during the intervention in the three different groups. | Change in daily nausea visual analog scale (VAS) (patient reported) during the intervention in the three different groups. VAS score ranges 0-100 with 0 being better and 100 being worse. Numbers are not visible to subjects. | 14 days |
| Change in vomiting during the intervention in the three different groups. | Change in number of daily vomiting episodes (patient reported) during the intervention in the three different groups. | 14 days |
| Occurrence of side effects in the three different groups. | Occurrence of side effects (patient reported and registered by trial personnel) during and until 5 days after the intervention in the three different groups. | 19 days |
| Change in quality of life for nausea and vomiting during pregnancy from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | Change in Health-Related Quality of Life for Nausea and Vomiting during Pregnancy (NVPQOL) score (patient reported) from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. NVPQOL score ranges 30-210 with 30 being better and 210 being worse. | 14 days |
| Change in severity of hyperemesis gravidarum from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | Change in HyperEmesis Level Prediction (HELP) score (patient reported) from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. HELP score ranges 0-50 with 0 being better and 50 being worse. | 14 days |
| Change in health-related quality of life from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | Change in health status (EQ-5D-5L) (patient reported) from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | 14 days |
| Change in sleep quality from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | Change in modified Pittsburg Sleep Quality Index (PSQI) (patient reported) from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups.Modified PSQI score ranges 0-12 with 0 being better and 12 being worse. | 14 days |
| Patient satisfaction with treatment Day 7(+/-1) and Day 14(+/-1) in the three different groups. | Patient satisfaction with treatment VAS (patient reported) on Day 7(+/-1) and Day 14(+/-1) in the three different groups. VAS score ranges 0-100 with 0 being better and 100 being worse. Numbers are not visible to subjects. | 14 days |
| Change in patient consideration of termination of pregnancy from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | Change in patient consideration of termination of pregnancy (patient reported) from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | 14 days |
| Request for dosage increase in the three different groups. | Frequency of request for dosage increase in the three different groups. | 14 days |
| Request for continuation of trial medication after end of intervention in the three different groups. | Frequency of request for continuation of trial medication after end of intervention in the three different groups. | 14 days |
| Use of rescue medication during the intervention in the three different groups. | Use of rescue medication during (patient reported) the intervention in the three different groups. | 14 days |
| Number of days on sick leave during the intervention in the three different groups | Number of days on sick leave (patient reported) during the intervention in the three different groups | 14 days |
| Necessity of i.v.-fluids during the intervention in the three different groups. | Amount of treatments with i.v.-fluids during the intervention in the three different groups. | 14 days |
| Need of hospitalisation during the intervention in the three different groups. | Number of days of hospitalisations during the intervention in the three different groups. | 14 days |
| Weight change from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | Weight change in kg from baseline to Day 7(+/-1) and baseline to Day 14(+/-1) in the three different groups. | 14 days |
| Pregnancy outcome: Live birth, loss or termination of pregnancy | Live birth, loss or termination of pregnancy. | 8 months |
| Delivery outcome: Mode of delivery | Mode of delivery: Vaginal, cesarian, vacuum extraction. | 8 months |
| Delivery outcome: Delivery complications | Eg. postpartum hemorrhage, shoulder dystocia, sphincter rupture | 8 months |
| Live birth outcome: birth weight. | Birth weight in g. | 8 months |
| Live birth outcome: gestational age at birth. | Gestational age at birth in weeks plus days. | 8 months |
| Live birth outcome: APGAR score. | APGAR score at 1, 5 and 10 minutes after birth. APGAR score ranges 0-10 with 0 being worse and 10 being better. | 8 months |
| Live birth outcome: umbilical cord pH. | Umbilical cord pH at birth. | 8 months |
| Live birth outcome: placenta weight. | placenta weight in g. | 8 months |
| Live birth outcome: sex. | offsprings sex. | 8 months |
| Live birth outcome: hospitalizations on neonatal ward during the first month post-partum. | Hospitalizations of the offspring in neonatal ward during the first month post-partum. | 9 months |
| Live birth outcome: congenital malformations (depending on gestational age also registered on early ended pregnancies). | Congenital malformations. | 8 months |
| Occurrence of treatment failure in the three different groups. | Frequency of and time to treatment failure in the three different groups. | 14 days |
| Copenhagen |
| 2100 |
| Denmark |
| Department of Gynaecology and Obstetrics, Herlev Hospital | Herlev | 2730 | Denmark |
| Department of Gynaecology and Obstetrics, Nordsjællands Hospital | Hillerød | 3400 | Denmark |
| Department of Gynaecology and Obstetrics, Hvidovre Hospital | Hvidovre | 2650 | Denmark |
| Department of Gynaecology and Obstetrics, Kolding Sygehus | Kolding | 6000 | Denmark |
| Department of Gynaecology and Obstetrics, Odense University Hospital | Odense | 5000 | Denmark |
| Ostenfeld A, Petersen TS, Futtrup TB, Andersen JT, Jensen AK, Westergaard HB, Pedersen LH, Lokkegaard ECL. Validating the effect of Ondansetron and Mirtazapine In Treating hyperemesis gravidarum (VOMIT): protocol for a randomised placebo-controlled trial. BMJ Open. 2020 Mar 24;10(3):e034712. doi: 10.1136/bmjopen-2019-034712. |
| D014839 | Vomiting |
| D012817 | Signs and Symptoms, Digestive |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D007093 | Imidazoles |
| D001393 | Azoles |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D002227 | Carbazoles |
| D007211 | Indoles |
| D006574 | Heterocyclic Compounds, 2-Ring |