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Results for “MEDROXYPROGESTERONE”

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At least 1,207 records · Page 67Linked to original sources
PubMed1998

Long-term depot medroxyprogesterone acetate (Depo-Provera) use in inner-city adolescents.

PURPOSE: To determine Depo-Provera continuation rates and reasons for its discontinuation among adolescents. STUDY DESIGN: Medical record reviews and telephone interviews with 159 adolescents who initiated Depo-Provera use between 1 December 1992 and 31 December 1995 at two clinics in New York City. Depo-Provera continuation was measured using lifetable analysis. RESULTS: The mean age was 17.7 +/- 1.5 years, with a median of 1 pregnancy (range 0-11). Mean follow-up was 23.4 +/- 10.7 months. Depo-Provera continuation rates were 71% at 3 months, 48% at 6 months, and 27% at 12 months, and were not affected by age, race, pregnancy or contraceptive history, clinic, or foster care status. Forty-three subjects (37% of discontinuers) restarted Depo-Provera during the study period, with a mean time to restart of 8.4 months after the last Depo-Provera injection. Side effects were the main reported reason for Depo-Provera discontinuation, primarily menstrual irregularities (26%) and weight gain (18%). Seventy percent of those discontinuing Depo-Provera owing to irregular bleeding did so after only one injection. For 23%, the single reason for discontinuation was appointment noncompliance. Restart rates were lowest among those who reported irregular bleeding (15%), weight gain (9%), and hair loss (10%), and highest among those discontinuing owing to missed appointments (87%) (p < 0.05). Pregnancies occurred in 19% of Depo-Provera discontinuers. CONCLUSION: Although Depo-Provera continuation rates among adolescents are low, over a third of discontinuers may restart the method. Aggressive management of side effects and assistance with appointment follow-up may improve long-term use. High pregnancy rates warrant close follow-up after Depo-Provera discontinuation.

Adolescent↗
PubMed1984

An evaluation of high-dose medroxyprogesterone acetate (MPA) therapy in women with advanced breast cancer.

The efficacy of high-dose intramuscular MPA therapy in controlling progressive measurable metastatic breast carcinoma was assessed in 32 women. In addition serial measurements of MPA blood levels were carried out in 20 of the patients and subjective effects of treatment were monitored in detail in 18 of the women. Overall 6 patients (19%) gained an objective response and a further 7 (22%) experienced disease stasis from 4-17 months whilst on treatment. Significant differences in serum MPA levels were seen between responders and non-responders, objective tumour shrinkage only being seen in those patients who rapidly attained, and sustained, blood levels in excess of 100 ng ml-1. Subjective assessment showed no evidence of a euphoriant effect of MPA therapy in the non-responders group.

Adult↗
PubMed1988

The pharmacokinetics of medroxyprogesterone acetate following two different loading dose schedules in advanced carcinoma of the breast.

A loading dose of MPA employing a regimen of 1,000 mg six hourly for 8 doses can achieve plateau levels above 100 ng ml-1 within the first 36 h of treatment, without any untoward toxicity. This raises the possibility of shortening the time to response for this agent. The additional factor of the time required to achieve adequate serum levels may explain the apparent contradictions between reports correlating response rates and dose and those correlating serum level and response.

Antineoplastic Agents↗
PubMed1991

Alternating sequential endocrine therapy: tamoxifen and medroxyprogesterone acetate versus tamoxifen in postmenopausal advanced breast cancer patients.

The effects of tamoxifen (TAM) versus the alternating sequential combination of TAM plus medroxy-progesterone acetate (MPA) has been evaluated in 20 postmenopausal patients with advanced breast cancer in a randomized controlled trial. In the TAM arm, patients received 20 mg b.i.d. of TAM. In the TAM-MPA arm, patients received only 20 mg b.i.d. of TAM for 7 days and, on the following 7 days. TAM plus an oral daily dose of 500 mg of MPA, in alternating sequence. Objective tumor reduction was achieved in 22 (41%) of the 54 patients in the TAM arm and in 25 (43%) of the 58 patients in the TAM-MPA arm. With regard to the stabilization of disease, a significant difference was observed between patients treated with the TAM-MPA combination and those treated with TAM alone (47% vs 22%). The percentage of nonresponders was also significantly higher in the TAM group (37%) than in the TAM-MPA group (10%). The time to progression was significantly shorter for the TAM arm than for the TAM-MPA arm (median, 7 vs 15 months), but the duration of remission was not significantly different for either treatment.

Aged↗